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\n

SQL \u6807\u51c6\u89c4\u5b9a\u4e86\u8fd9\u79cd\u884c\u4e3a\uff0c\u800c\u4e14\u5b9e\u8df5\u4e2d\u5b83\u4e5f\u6bd4\u6b64\u524d\u540c\u65f6\u68c0\u67e5\u6bcf\u4e2a\u5b50\u8868\u548c\u7236\u8868\u6743\u9650\u7684\u884c\u4e3a\u65b9\u4fbf\u5f97\u591a\u3002

", "text": "\u67e5\u8be2\u7236\u8868\u65f6\uff0c\u4e0d\u518d\u5bf9\u4f5c\u4e3a\u67e5\u8be2\u4e00\u90e8\u5206\u88ab\u626b\u63cf\u7684\u5b50\u8868\u505a\u5355\u72ec\u7684\u6743\u9650\u68c0\u67e5\uff08Peter Eisentraut\uff09 SQL \u6807\u51c6\u89c4\u5b9a\u4e86\u8fd9\u79cd\u884c\u4e3a\uff0c\u800c\u4e14\u5b9e\u8df5\u4e2d\u5b83\u4e5f\u6bd4\u6b64\u524d\u540c\u65f6\u68c0\u67e5\u6bcf\u4e2a\u5b50\u8868\u548c\u7236\u8868\u6743\u9650\u7684\u884c\u4e3a\u65b9\u4fbf\u5f97\u591a\u3002", "title": "\u67e5\u8be2\u7236\u8868\u65f6\uff0c\u4e0d\u518d\u5bf9\u4f5c\u4e3a\u67e5\u8be2\u4e00\u90e8\u5206\u88ab\u626b\u63cf\u7684\u5b50\u8868\u505a\u5355\u72ec\u7684\u6743\u9650\u68c0\u67e5", "commits": [], "section": "\u67e5\u8be2", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.5", "source_hash": "05b41161b73d01f088dbee17624e7bb6d0988f4ce13e0c6adce09852ad5d0f05", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "When querying a parent table, do not do any separate permission checks on child tables scanned as part of the query (Peter Eisentraut) The SQL standard specifies this behavior, and it is also much more convenient in practice than the former behavior of checking permissions on each child as well as the parent.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/005", "db_id": "0c165f5ca49befcd6a4ed5fc49834a3b", "patch_ids": [], "statement_hash": "7de3d5be798ba5f821b360fe2d04ac964c376f9e0a99ca8495ffb56da79a5986", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-8c6ade9e53993743", "migration": true}, {"id": "9.0.0-74489feeda9b77da", "cves": [], "html": "

bytea \u8f93\u51fa\u73b0\u5728\u9ed8\u8ba4\u4ee5\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u663e\u793a\uff08Peter Eisentraut\uff09

\n

\u5982\u6709\u517c\u5bb9\u9700\u8981\uff0c\u53ef\u4f7f\u7528\u670d\u52a1\u5668\u53c2\u6570 bytea_output \u9009\u62e9\u4f20\u7edf\u8f93\u51fa\u683c\u5f0f\u3002

", "text": "bytea \u8f93\u51fa\u73b0\u5728\u9ed8\u8ba4\u4ee5\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u663e\u793a\uff08Peter Eisentraut\uff09 \u5982\u6709\u517c\u5bb9\u9700\u8981\uff0c\u53ef\u4f7f\u7528\u670d\u52a1\u5668\u53c2\u6570 bytea_output \u9009\u62e9\u4f20\u7edf\u8f93\u51fa\u683c\u5f0f\u3002", "title": "bytea \u8f93\u51fa\u73b0\u5728\u9ed8\u8ba4\u4ee5\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u663e\u793a", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.6", "source_hash": "cb5eaf34c9f84f50530fbe2e20246b0e3df505e472bba624a9c1c5491e53109c", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "bytea output now appears in hex format by default (Peter Eisentraut) The server parameter bytea_output can be used to select the traditional output format if needed for compatibility.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/006", "db_id": "8223818ea6e5a7e57831688c067d2332", "patch_ids": [], "statement_hash": "b2bc13068d63604ed3e674c906440b37fcdd229e43283a69be2d4d2dbc5476da", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-74489feeda9b77da", "migration": true}, {"id": "9.0.0-0967b29aaf9182e7", "cves": [], "html": "

\u6570\u7ec4\u8f93\u5165\u73b0\u5728\u53ea\u628a\u666e\u901a ASCII \u7a7a\u767d\u5b57\u7b26\u89c6\u4e3a\u53ef\u80fd\u53ef\u5ffd\u7565\uff1b\u5b83\u6c38\u8fdc\u4e0d\u4f1a\u5ffd\u7565\u975e ASCII \u5b57\u7b26\uff0c\u5373\u4f7f\u6309\u67d0\u4e9b\u533a\u57df\u8bbe\u7f6e\u5b83\u4eec\u662f\u7a7a\u767d\uff08Tom Lane\uff09

\n

\u8fd9\u907f\u514d\u4e86\u4e00\u4e9b\u6570\u7ec4\u503c\u53ef\u80fd\u56e0\u670d\u52a1\u5668\u533a\u57df\u8bbe\u7f6e\u4e0d\u540c\u800c\u88ab\u4e0d\u540c\u89e3\u91ca\u7684\u6781\u7aef\u60c5\u51b5\u3002

", "text": "\u6570\u7ec4\u8f93\u5165\u73b0\u5728\u53ea\u628a\u666e\u901a ASCII \u7a7a\u767d\u5b57\u7b26\u89c6\u4e3a\u53ef\u80fd\u53ef\u5ffd\u7565\uff1b\u5b83\u6c38\u8fdc\u4e0d\u4f1a\u5ffd\u7565\u975e ASCII \u5b57\u7b26\uff0c\u5373\u4f7f\u6309\u67d0\u4e9b\u533a\u57df\u8bbe\u7f6e\u5b83\u4eec\u662f\u7a7a\u767d\uff08Tom Lane\uff09 \u8fd9\u907f\u514d\u4e86\u4e00\u4e9b\u6570\u7ec4\u503c\u53ef\u80fd\u56e0\u670d\u52a1\u5668\u533a\u57df\u8bbe\u7f6e\u4e0d\u540c\u800c\u88ab\u4e0d\u540c\u89e3\u91ca\u7684\u6781\u7aef\u60c5\u51b5\u3002", "title": "\u6570\u7ec4\u8f93\u5165\u73b0\u5728\u53ea\u628a\u666e\u901a ASCII \u7a7a\u767d\u5b57\u7b26\u89c6\u4e3a\u53ef\u80fd\u53ef\u5ffd\u7565\uff1b\u5b83\u6c38\u8fdc\u4e0d\u4f1a\u5ffd\u7565\u975e ASCII \u5b57\u7b26\uff0c\u5373\u4f7f\u6309\u67d0\u4e9b\u533a\u57df\u8bbe\u7f6e\u5b83\u4eec\u662f\u7a7a\u767d", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.6", "source_hash": "a4b1cf198302b30ce35ada1c68139da15f9437aa3644c6fc35a794a1285ce2fa", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Array input now considers only plain ASCII whitespace characters to be potentially ignorable; it will never ignore non-ASCII characters, even if they are whitespace according to some locales (Tom Lane) This avoids some corner cases where array values could be interpreted differently depending on the server's locale settings.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/007", "db_id": "c272498ffa765b04f39b962ee0566862", "patch_ids": [], "statement_hash": "fb10646f07695fed8d15519f2b2e86fade9b798d036f5d487df83e1d755a55f7", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-0967b29aaf9182e7", "migration": true}, {"id": "9.0.0-1fdf093911a2cb81", "cves": [], "html": "

\u6539\u8fdb SIMILAR TO \u6a21\u5f0f\u548c SQL \u98ce\u683c substring() \u6a21\u5f0f\u7684\u6807\u51c6\u7b26\u5408\u6027\uff08Tom Lane\uff09

\n

\u8fd9\u5305\u62ec\u628a ? \u548c {...} \u89c6\u4e3a\u6a21\u5f0f\u5143\u5b57\u7b26\uff08\u5b83\u4eec\u6b64\u524d\u662f\u666e\u901a\u5b57\u9762\u5b57\u7b26\uff09\uff1b\u8fd9\u5bf9\u5e94 SQL:2008 \u65b0\u589e\u7684\u7279\u6027\u3002\u6b64\u5916\uff0c^ \u548c $ \u73b0\u5728\u88ab\u89c6\u4e3a\u666e\u901a\u5b57\u9762\u5b57\u7b26\uff1b\u6b64\u524d\u5b83\u4eec\u88ab\u89c6\u4e3a\u5143\u5b57\u7b26\uff0c\u5c31\u597d\u50cf\u6a21\u5f0f\u9075\u5faa POSIX \u800c\u4e0d\u662f SQL \u89c4\u5219\u3002\u53e6\u5916\uff0c\u5728 SQL \u6807\u51c6 substring() \u4e2d\uff0c\u7528\u62ec\u53f7\u5d4c\u5957\u4e0d\u518d\u5e72\u6270\u5b50\u4e32\u7684\u6355\u83b7\u3002\u53e6\u5916\uff0c\u65b9\u62ec\u53f7\u8868\u8fbe\u5f0f\uff08\u5b57\u7b26\u7c7b\uff09\u7684\u5904\u7406\u73b0\u5728\u66f4\u7b26\u5408\u6807\u51c6\u3002

", "text": "\u6539\u8fdb SIMILAR TO \u6a21\u5f0f\u548c SQL \u98ce\u683c substring() \u6a21\u5f0f\u7684\u6807\u51c6\u7b26\u5408\u6027\uff08Tom Lane\uff09 \u8fd9\u5305\u62ec\u628a ? \u548c {...} \u89c6\u4e3a\u6a21\u5f0f\u5143\u5b57\u7b26\uff08\u5b83\u4eec\u6b64\u524d\u662f\u666e\u901a\u5b57\u9762\u5b57\u7b26\uff09\uff1b\u8fd9\u5bf9\u5e94 SQL:2008 \u65b0\u589e\u7684\u7279\u6027\u3002\u6b64\u5916\uff0c^ \u548c $ \u73b0\u5728\u88ab\u89c6\u4e3a\u666e\u901a\u5b57\u9762\u5b57\u7b26\uff1b\u6b64\u524d\u5b83\u4eec\u88ab\u89c6\u4e3a\u5143\u5b57\u7b26\uff0c\u5c31\u597d\u50cf\u6a21\u5f0f\u9075\u5faa POSIX \u800c\u4e0d\u662f SQL \u89c4\u5219\u3002\u53e6\u5916\uff0c\u5728 SQL \u6807\u51c6 substring() \u4e2d\uff0c\u7528\u62ec\u53f7\u5d4c\u5957\u4e0d\u518d\u5e72\u6270\u5b50\u4e32\u7684\u6355\u83b7\u3002\u53e6\u5916\uff0c\u65b9\u62ec\u53f7\u8868\u8fbe\u5f0f\uff08\u5b57\u7b26\u7c7b\uff09\u7684\u5904\u7406\u73b0\u5728\u66f4\u7b26\u5408\u6807\u51c6\u3002", "title": "\u6539\u8fdb SIMILAR TO \u6a21\u5f0f\u548c SQL \u98ce\u683c substring() \u6a21\u5f0f\u7684\u6807\u51c6\u7b26\u5408\u6027", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.6", "source_hash": "97fc41be6b6fc7af73ac253af16b09d4d1e90c0437d87d30a50e362f4f413233", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Improve standards compliance of SIMILAR TO patterns and SQL-style substring() patterns (Tom Lane) This includes treating ? and {...} as pattern metacharacters, while they were simple literal characters before; that corresponds to new features added in SQL:2008. Also, ^ and $ are now treated as simple literal characters; formerly they were treated as metacharacters, as if the pattern were following POSIX rather than SQL rules. Also, in SQL-standard substring(), use of parentheses for nesting no longer interferes with capturing of a substring. Also, processing of bracket expressions (character classes) is now more standards-compliant.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/008", "db_id": "364616960bb4ba034fff7d7760525534", "patch_ids": [], "statement_hash": "852231ef7d95797a4aca76eafa30b91382b2af2af264b0d02e6b360be686089f", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-1fdf093911a2cb81", "migration": true}, {"id": "9.0.0-89aeeedaa17a11bf", "cves": [], "html": "

\u6309 SQL \u6807\u51c6\u62d2\u7edd\u4f4d\u4e32 3 \u53c2\u6570 substring() \u4e2d\u7684\u8d1f\u957f\u5ea6\u503c\uff08Tom Lane\uff09

", "text": "\u6309 SQL \u6807\u51c6\u62d2\u7edd\u4f4d\u4e32 3 \u53c2\u6570 substring() \u4e2d\u7684\u8d1f\u957f\u5ea6\u503c\uff08Tom Lane\uff09", "title": "\u6309 SQL \u6807\u51c6\u62d2\u7edd\u4f4d\u4e32 3 \u53c2\u6570 substring() \u4e2d\u7684\u8d1f\u957f\u5ea6\u503c", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.6", "source_hash": "39a5dd378c2d7f9151d93205a220a0ad755c87775cc20cfc80ac0104b3343a95", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Reject negative length values in 3-parameter substring() for bit strings, per the SQL standard (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/009", "db_id": "e46535633e40374dde96b0c849ef4be9", "patch_ids": [], "statement_hash": "8d4c743de15d00a9141e9aa909696ef0468ab3fbc87e7757c8cbae753015e33e", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-89aeeedaa17a11bf", "migration": true}, {"id": "9.0.0-01f8a80fb3dd0698", "cves": [], "html": "

\u8ba9 date_trunc \u5728\u964d\u4f4e\u79d2\u7684\u5c0f\u6570\u90e8\u5206\u7cbe\u5ea6\u65f6\u622a\u65ad\u800c\u4e0d\u662f\u820d\u5165\uff08Tom Lane\uff09

\n

\u5bf9\u4e8e\u57fa\u4e8e\u6574\u6570\u7684\u65e5\u671f/\u65f6\u95f4\uff0c\u4ee3\u7801\u4e00\u76f4\u5982\u6b64\u3002\u73b0\u5728\u57fa\u4e8e\u6d6e\u70b9\u7684\u65e5\u671f/\u65f6\u95f4\u884c\u4e3a\u7c7b\u4f3c\u3002

", "text": "\u8ba9 date_trunc \u5728\u964d\u4f4e\u79d2\u7684\u5c0f\u6570\u90e8\u5206\u7cbe\u5ea6\u65f6\u622a\u65ad\u800c\u4e0d\u662f\u820d\u5165\uff08Tom Lane\uff09 \u5bf9\u4e8e\u57fa\u4e8e\u6574\u6570\u7684\u65e5\u671f/\u65f6\u95f4\uff0c\u4ee3\u7801\u4e00\u76f4\u5982\u6b64\u3002\u73b0\u5728\u57fa\u4e8e\u6d6e\u70b9\u7684\u65e5\u671f/\u65f6\u95f4\u884c\u4e3a\u7c7b\u4f3c\u3002", "title": "\u8ba9 date_trunc \u5728\u964d\u4f4e\u79d2\u7684\u5c0f\u6570\u90e8\u5206\u7cbe\u5ea6\u65f6\u622a\u65ad\u800c\u4e0d\u662f\u820d\u5165", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.6", "source_hash": "e7eb88c75bb1c78da0ef31ccd4b69e72e7b308a7579a99482f3084db383c8d94", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Make date_trunc truncate rather than round when reducing precision of fractional seconds (Tom Lane) The code always acted this way for integer-based dates/times. Now float-based dates/times behave similarly.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/010", "db_id": "03ddf4bda447b1c0a95e5a946ec09978", "patch_ids": [], "statement_hash": "f2a961757d10f2b685111e76eb4d27679685481e8fb105a21fdccb1aaf357f09", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-01f8a80fb3dd0698", "migration": true}, {"id": "9.0.0-faaff80c820dee2b", "cves": [], "html": "

\u5f53\u5b50\u8868\u4ece\u591a\u4e2a\u4e0d\u76f8\u5173\u7684\u7236\u8868\u7ee7\u627f\u540c\u4e00\u5217\u65f6\uff0c\u6536\u7d27 RENAME \u671f\u95f4\u5217\u540d\u4e00\u81f4\u6027\u7684\u5f3a\u5236\uff08KaiGai Kohei\uff09

", "text": "\u5f53\u5b50\u8868\u4ece\u591a\u4e2a\u4e0d\u76f8\u5173\u7684\u7236\u8868\u7ee7\u627f\u540c\u4e00\u5217\u65f6\uff0c\u6536\u7d27 RENAME \u671f\u95f4\u5217\u540d\u4e00\u81f4\u6027\u7684\u5f3a\u5236\uff08KaiGai Kohei\uff09", "title": "\u5f53\u5b50\u8868\u4ece\u591a\u4e2a\u4e0d\u76f8\u5173\u7684\u7236\u8868\u7ee7\u627f\u540c\u4e00\u5217\u65f6\uff0c\u6536\u7d27 RENAME \u671f\u95f4\u5217\u540d\u4e00\u81f4\u6027\u7684\u5f3a\u5236", "commits": [], "section": "\u5bf9\u8c61\u91cd\u547d\u540d", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.7", "source_hash": "b6a8e9b0d9e1e2afc961d52aa91f8b78788c1bfdd03ef77b6db7abd35e8a4996", "section_path": ["\u5bf9\u8c61\u91cd\u547d\u540d"], "commit_groups": [], "identity_text": "Tighten enforcement of column name consistency during RENAME when a child table inherits the same column from multiple unrelated parents (KaiGai Kohei)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/011", "db_id": "204f0cc547fefb6e043031dbe670134c", "patch_ids": [], "statement_hash": "f6c39ba40d76cf39dc98ac78d611d8df445754d414c2edf883544f0af0b8ad5f", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-faaff80c820dee2b", "migration": true}, {"id": "9.0.0-69fab494e605f010", "cves": [], "html": "

\u4e0d\u518d\u5728\u5e95\u5c42\u8868\u5217\u88ab\u91cd\u547d\u540d\u65f6\u81ea\u52a8\u91cd\u547d\u540d\u7d22\u5f15\u548c\u7d22\u5f15\u5217\uff08Tom Lane\uff09

\n

\u7ba1\u7406\u5458\u4ecd\u53ef\u4ee5\u624b\u5de5\u91cd\u547d\u540d\u8fd9\u7c7b\u7d22\u5f15\u548c\u5217\u3002\u6b64\u53d8\u66f4\u9700\u8981\u66f4\u65b0 JDBC \u9a71\u52a8\uff08\u53ef\u80fd\u8fd8\u6709\u5176\u4ed6\u9a71\u52a8\uff09\uff0c\u4ee5\u4fbf\u91cd\u547d\u540d\u540e\u4ecd\u80fd\u6b63\u786e\u8bc6\u522b\u552f\u4e00\u7d22\u5f15\u3002

", "text": "\u4e0d\u518d\u5728\u5e95\u5c42\u8868\u5217\u88ab\u91cd\u547d\u540d\u65f6\u81ea\u52a8\u91cd\u547d\u540d\u7d22\u5f15\u548c\u7d22\u5f15\u5217\uff08Tom Lane\uff09 \u7ba1\u7406\u5458\u4ecd\u53ef\u4ee5\u624b\u5de5\u91cd\u547d\u540d\u8fd9\u7c7b\u7d22\u5f15\u548c\u5217\u3002\u6b64\u53d8\u66f4\u9700\u8981\u66f4\u65b0 JDBC \u9a71\u52a8\uff08\u53ef\u80fd\u8fd8\u6709\u5176\u4ed6\u9a71\u52a8\uff09\uff0c\u4ee5\u4fbf\u91cd\u547d\u540d\u540e\u4ecd\u80fd\u6b63\u786e\u8bc6\u522b\u552f\u4e00\u7d22\u5f15\u3002", "title": "\u4e0d\u518d\u5728\u5e95\u5c42\u8868\u5217\u88ab\u91cd\u547d\u540d\u65f6\u81ea\u52a8\u91cd\u547d\u540d\u7d22\u5f15\u548c\u7d22\u5f15\u5217", "commits": [], "section": "\u5bf9\u8c61\u91cd\u547d\u540d", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.7", "source_hash": "fa49eceee036950b2379813dea7324db92d6446d4ce0bd2c89b5af718d1e230d", "section_path": ["\u5bf9\u8c61\u91cd\u547d\u540d"], "commit_groups": [], "identity_text": "No longer automatically rename indexes and index columns when the underlying table columns are renamed (Tom Lane) Administrators can still rename such indexes and columns manually. This change will require an update of the JDBC driver, and possibly other drivers, so that unique indexes are correctly recognized after a rename.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/012", "db_id": "e0bd9c7a9ca304b955c1c0426c173ef2", "patch_ids": [], "statement_hash": "43dd56bf2c6e79a8193716d2c000d605d5a9a7429a8eab2f3bcb8e7027e70362", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-69fab494e605f010", "migration": true}, {"id": "9.0.0-7d3c242c52cd07d3", "cves": [], "html": "

CREATE OR REPLACE FUNCTION \u4e0d\u518d\u80fd\u66f4\u6539\u51fd\u6570\u53c2\u6570\u7684\u58f0\u660e\u540d\u79f0\uff08Pavel Stehule\uff09

\n

\u4e3a\u4e86\u907f\u514d\u5728\u547d\u540d\u53c2\u6570\u8c03\u7528\u4e2d\u4ea7\u751f\u6b67\u4e49\uff0c\u4e0d\u518d\u5141\u8bb8\u66f4\u6539\u73b0\u6709\u51fd\u6570\u58f0\u660e\u4e2d\u8f93\u5165\u53c2\u6570\u7684\u522b\u540d\uff08\u4f46\u4ecd\u53ef\u4e3a\u6b64\u524d\u672a\u547d\u540d\u7684\u53c2\u6570\u6307\u5b9a\u540d\u79f0\uff09\u3002\u73b0\u5728\u5fc5\u987b DROP \u5e76\u91cd\u5efa\u51fd\u6570\u624d\u80fd\u505a\u5230\u8fd9\u4e00\u70b9\u3002

", "text": "CREATE OR REPLACE FUNCTION \u4e0d\u518d\u80fd\u66f4\u6539\u51fd\u6570\u53c2\u6570\u7684\u58f0\u660e\u540d\u79f0\uff08Pavel Stehule\uff09 \u4e3a\u4e86\u907f\u514d\u5728\u547d\u540d\u53c2\u6570\u8c03\u7528\u4e2d\u4ea7\u751f\u6b67\u4e49\uff0c\u4e0d\u518d\u5141\u8bb8\u66f4\u6539\u73b0\u6709\u51fd\u6570\u58f0\u660e\u4e2d\u8f93\u5165\u53c2\u6570\u7684\u522b\u540d\uff08\u4f46\u4ecd\u53ef\u4e3a\u6b64\u524d\u672a\u547d\u540d\u7684\u53c2\u6570\u6307\u5b9a\u540d\u79f0\uff09\u3002\u73b0\u5728\u5fc5\u987b DROP \u5e76\u91cd\u5efa\u51fd\u6570\u624d\u80fd\u505a\u5230\u8fd9\u4e00\u70b9\u3002", "title": "CREATE OR REPLACE FUNCTION \u4e0d\u518d\u80fd\u66f4\u6539\u51fd\u6570\u53c2\u6570\u7684\u58f0\u660e\u540d\u79f0", "commits": [], "section": "\u5bf9\u8c61\u91cd\u547d\u540d", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.7", "source_hash": "e45571241aedae8c78ce8a6427afbb647c3452552e836404a1b5436672576b29", "section_path": ["\u5bf9\u8c61\u91cd\u547d\u540d"], "commit_groups": [], "identity_text": "CREATE OR REPLACE FUNCTION can no longer change the declared names of function parameters (Pavel Stehule) In order to avoid creating ambiguity in named-parameter calls, it is no longer allowed to change the aliases for input parameters in the declaration of an existing function (although names can still be assigned to previously unnamed parameters). You now have to DROP and recreate the function to do that.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/013", "db_id": "96b3adfc86cb7b4ec13f941e3322b933", "patch_ids": [], "statement_hash": "8c7af4bee41f0c7b96657bec95a7588282282ad01b2cf8b683bca90b4855e92a", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-7d3c242c52cd07d3", "migration": true}, {"id": "9.0.0-60e3a8a4854ecfbd", "cves": [], "html": "

\u5f53\u53d8\u91cf\u540d\u4e0e\u67e5\u8be2\u4e2d\u4f7f\u7528\u7684\u5217\u540d\u51b2\u7a81\u65f6\uff0cPL/pgSQL \u73b0\u5728\u629b\u51fa\u9519\u8bef\uff08Tom Lane\uff09

\n

\u6b64\u524d\u7684\u884c\u4e3a\u662f\u628a\u6709\u6b67\u4e49\u7684\u540d\u79f0\u4f18\u5148\u7ed1\u5b9a\u5230 PL/pgSQL \u53d8\u91cf\u800c\u4e0d\u662f\u67e5\u8be2\u5217\uff0c\u8fd9\u5e38\u5e38\u5bfc\u81f4\u4ee4\u4eba\u60ca\u8bb6\u7684\u9519\u8bef\u884c\u4e3a\u3002\u629b\u51fa\u9519\u8bef\u53ef\u4ee5\u8f7b\u677e\u68c0\u6d4b\u6b67\u4e49\u60c5\u51b5\u3002\u867d\u7136\u5efa\u8bae\u4fee\u6539\u9047\u5230\u6b64\u7c7b\u9519\u8bef\u7684\u51fd\u6570\u4ee5\u6d88\u9664\u51b2\u7a81\uff0c\u4f46\u5982\u6709\u5fc5\u8981\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u53c2\u6570 plpgsql.variable_conflict \u6216\u9010\u51fd\u6570\u9009\u9879 #variable_conflict \u6062\u590d\u65e7\u884c\u4e3a\u3002

", "text": "\u5f53\u53d8\u91cf\u540d\u4e0e\u67e5\u8be2\u4e2d\u4f7f\u7528\u7684\u5217\u540d\u51b2\u7a81\u65f6\uff0cPL/pgSQL \u73b0\u5728\u629b\u51fa\u9519\u8bef\uff08Tom Lane\uff09 \u6b64\u524d\u7684\u884c\u4e3a\u662f\u628a\u6709\u6b67\u4e49\u7684\u540d\u79f0\u4f18\u5148\u7ed1\u5b9a\u5230 PL/pgSQL \u53d8\u91cf\u800c\u4e0d\u662f\u67e5\u8be2\u5217\uff0c\u8fd9\u5e38\u5e38\u5bfc\u81f4\u4ee4\u4eba\u60ca\u8bb6\u7684\u9519\u8bef\u884c\u4e3a\u3002\u629b\u51fa\u9519\u8bef\u53ef\u4ee5\u8f7b\u677e\u68c0\u6d4b\u6b67\u4e49\u60c5\u51b5\u3002\u867d\u7136\u5efa\u8bae\u4fee\u6539\u9047\u5230\u6b64\u7c7b\u9519\u8bef\u7684\u51fd\u6570\u4ee5\u6d88\u9664\u51b2\u7a81\uff0c\u4f46\u5982\u6709\u5fc5\u8981\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u53c2\u6570 plpgsql.variable_conflict \u6216\u9010\u51fd\u6570\u9009\u9879 #variable_conflict \u6062\u590d\u65e7\u884c\u4e3a\u3002", "title": "\u5f53\u53d8\u91cf\u540d\u4e0e\u67e5\u8be2\u4e2d\u4f7f\u7528\u7684\u5217\u540d\u51b2\u7a81\u65f6\uff0cPL/pgSQL \u73b0\u5728\u629b\u51fa\u9519\u8bef", "commits": [], "section": "PL/pgSQL", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.8", "source_hash": "4b20cfd60b4c9e4b329bee9c54a1264c415c4415b1f6dcd71c2c058789206c47", "section_path": ["PL/pgSQL"], "commit_groups": [], "identity_text": "PL/pgSQL now throws an error if a variable name conflicts with a column name used in a query (Tom Lane) The former behavior was to bind ambiguous names to PL/pgSQL variables in preference to query columns, which often resulted in surprising misbehavior. Throwing an error allows easy detection of ambiguous situations. Although it's recommended that functions encountering this type of error be modified to remove the conflict, the old behavior can be restored if necessary via the configuration parameter plpgsql.variable_conflict, or via the per-function option #variable_conflict.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/014", "db_id": "78889b8e48e86cad4d38cfd8d87647c3", "patch_ids": [], "statement_hash": "d2627a80cdc217a4a766e23f89411ea0bc9749db427551e8a6f17cb42895d805", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-60e3a8a4854ecfbd", "migration": true}, {"id": "9.0.0-b815bb2cf85b8163", "cves": [], "html": "

PL/pgSQL \u4e0d\u518d\u5141\u8bb8\u4e0e\u67d0\u4e9b SQL \u4fdd\u7559\u5b57\u5339\u914d\u7684\u53d8\u91cf\u540d\uff08Tom Lane\uff09

\n

\u8fd9\u662f\u4f7f PL/pgSQL \u89e3\u6790\u5668\u4e0e\u6838\u5fc3 SQL \u89e3\u6790\u5668\u66f4\u7d27\u5bc6\u5bf9\u9f50\u7684\u7ed3\u679c\u3002\u5982\u6709\u5fc5\u8981\uff0c\u53ef\u4ee5\u4e3a\u53d8\u91cf\u540d\u52a0\u53cc\u5f15\u53f7\u6765\u907f\u5f00\u6b64\u9650\u5236\u3002

", "text": "PL/pgSQL \u4e0d\u518d\u5141\u8bb8\u4e0e\u67d0\u4e9b SQL \u4fdd\u7559\u5b57\u5339\u914d\u7684\u53d8\u91cf\u540d\uff08Tom Lane\uff09 \u8fd9\u662f\u4f7f PL/pgSQL \u89e3\u6790\u5668\u4e0e\u6838\u5fc3 SQL \u89e3\u6790\u5668\u66f4\u7d27\u5bc6\u5bf9\u9f50\u7684\u7ed3\u679c\u3002\u5982\u6709\u5fc5\u8981\uff0c\u53ef\u4ee5\u4e3a\u53d8\u91cf\u540d\u52a0\u53cc\u5f15\u53f7\u6765\u907f\u5f00\u6b64\u9650\u5236\u3002", "title": "PL/pgSQL \u4e0d\u518d\u5141\u8bb8\u4e0e\u67d0\u4e9b SQL \u4fdd\u7559\u5b57\u5339\u914d\u7684\u53d8\u91cf\u540d", "commits": [], "section": "PL/pgSQL", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.8", "source_hash": "787a7456d51a5e4eef1ab6ea4e20b77afd59aa519aed55b31f67428eb869c317", "section_path": ["PL/pgSQL"], "commit_groups": [], "identity_text": "PL/pgSQL no longer allows variable names that match certain SQL reserved words (Tom Lane) This is a consequence of aligning the PL/pgSQL parser to match the core SQL parser more closely. If necessary, variable names can be double-quoted to avoid this restriction.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/015", "db_id": "c12fd389e6334a8badde14219b7f0663", "patch_ids": [], "statement_hash": "9aaa18aca1462c3e16285882a76d350e64b939eb43a0a0b7c715e3c845809670", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-b815bb2cf85b8163", "migration": true}, {"id": "9.0.0-d92509f458407552", "cves": [], "html": "

PL/pgSQL \u73b0\u5728\u8981\u6c42\u7ec4\u5408\u7ed3\u679c\u7684\u5217\u4e0d\u4ec5\u5339\u914d\u57fa\u672c\u7c7b\u578b\uff0c\u8fd8\u8981\u5339\u914d\u9884\u671f\u7684\u7c7b\u578b\u4fee\u9970\u7b26\uff08Pavel Stehule\u3001Tom Lane\uff09

\n

\u4f8b\u5982\uff0c\u5982\u679c\u7ed3\u679c\u7c7b\u578b\u7684\u67d0\u5217\u58f0\u660e\u4e3a NUMERIC(30,2)\uff0c\u5219\u5728\u8be5\u5217\u4e2d\u8fd4\u56de\u5176\u4ed6\u7cbe\u5ea6\u7684 NUMERIC \u4e0d\u518d\u88ab\u63a5\u53d7\u3002\u4ee5\u524d\u7684\u7248\u672c\u758f\u4e8e\u68c0\u67e5\u7c7b\u578b\u4fee\u9970\u7b26\uff0c\u56e0\u6b64\u4f1a\u5141\u8bb8\u5b9e\u9645\u4e0a\u4e0d\u7b26\u5408\u58f0\u660e\u9650\u5236\u7684\u7ed3\u679c\u884c\u3002

", "text": "PL/pgSQL \u73b0\u5728\u8981\u6c42\u7ec4\u5408\u7ed3\u679c\u7684\u5217\u4e0d\u4ec5\u5339\u914d\u57fa\u672c\u7c7b\u578b\uff0c\u8fd8\u8981\u5339\u914d\u9884\u671f\u7684\u7c7b\u578b\u4fee\u9970\u7b26\uff08Pavel Stehule\u3001Tom Lane\uff09 \u4f8b\u5982\uff0c\u5982\u679c\u7ed3\u679c\u7c7b\u578b\u7684\u67d0\u5217\u58f0\u660e\u4e3a NUMERIC(30,2)\uff0c\u5219\u5728\u8be5\u5217\u4e2d\u8fd4\u56de\u5176\u4ed6\u7cbe\u5ea6\u7684 NUMERIC \u4e0d\u518d\u88ab\u63a5\u53d7\u3002\u4ee5\u524d\u7684\u7248\u672c\u758f\u4e8e\u68c0\u67e5\u7c7b\u578b\u4fee\u9970\u7b26\uff0c\u56e0\u6b64\u4f1a\u5141\u8bb8\u5b9e\u9645\u4e0a\u4e0d\u7b26\u5408\u58f0\u660e\u9650\u5236\u7684\u7ed3\u679c\u884c\u3002", "title": "PL/pgSQL \u73b0\u5728\u8981\u6c42\u7ec4\u5408\u7ed3\u679c\u7684\u5217\u4e0d\u4ec5\u5339\u914d\u57fa\u672c\u7c7b\u578b\uff0c\u8fd8\u8981\u5339\u914d\u9884\u671f\u7684\u7c7b\u578b\u4fee\u9970\u7b26", "commits": [], "section": "PL/pgSQL", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.8", "source_hash": "ef9b908da8b072a8b29ea78012655de6fcb3fc8cf7081b449990437386b41b08", "section_path": ["PL/pgSQL"], "commit_groups": [], "identity_text": "PL/pgSQL now requires columns of composite results to match the expected type modifier as well as base type (Pavel Stehule, Tom Lane) For example, if a column of the result type is declared as NUMERIC(30,2), it is no longer acceptable to return a NUMERIC of some other precision in that column. Previous versions neglected to check the type modifier and would thus allow result rows that didn't actually conform to the declared restrictions.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/016", "db_id": "4b8d86632314a81870608f4549b81a1c", "patch_ids": [], "statement_hash": "274bfcc33d95aace796d6154136ae8725b36c3587a2734bb96ce1f870df969ce", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-d92509f458407552", "migration": true}, {"id": "9.0.0-04506ebd4de81ec7", "cves": [], "html": "

PL/pgSQL \u73b0\u5728\u66f4\u4e00\u81f4\u5730\u5904\u7406\u9009\u62e9\u5230\u7ec4\u5408\u5b57\u6bb5\u7684\u60c5\u51b5\uff08Tom Lane\uff09

\n

\u6b64\u524d\uff0c\u50cf SELECT ... INTO rec.fld FROM ... \u8fd9\u6837\u7684\u8bed\u53e5\u5373\u4f7f\u8bb0\u5f55\u5b57\u6bb5 fld \u662f\u7ec4\u5408\u7c7b\u578b\uff0c\u4e5f\u88ab\u89c6\u4e3a\u6807\u91cf\u8d4b\u503c\u3002\u73b0\u5728\u5b83\u88ab\u89c6\u4e3a\u8bb0\u5f55\u8d4b\u503c\uff0c\u4e0e INTO \u76ee\u6807\u662f\u7ec4\u5408\u7c7b\u578b\u7684\u5e38\u89c4\u53d8\u91cf\u65f6\u76f8\u540c\u3002\u56e0\u6b64\uff0c\u8981\u8d4b\u7ed9\u5b57\u6bb5\u5404\u5b50\u5b57\u6bb5\u7684\u503c\u5e94\u5199\u6210 SELECT \u5217\u8868\u7684\u5355\u72ec\u5217\uff0c\u800c\u4e0d\u662f\u50cf\u4ee5\u524d\u7248\u672c\u90a3\u6837\u5199\u6210 ROW(...) \u6784\u9020\u3002

\n

\u5982\u679c\u9700\u8981\u4ee5\u540c\u65f6\u9002\u7528\u4e8e 9.0 \u548c\u4ee5\u524d\u7248\u672c\u7684\u65b9\u5f0f\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u53ef\u4ee5\u5199\u6210\u7c7b\u4f3c rec.fld := ROW(...) FROM ...\u3002

", "text": "PL/pgSQL \u73b0\u5728\u66f4\u4e00\u81f4\u5730\u5904\u7406\u9009\u62e9\u5230\u7ec4\u5408\u5b57\u6bb5\u7684\u60c5\u51b5\uff08Tom Lane\uff09 \u6b64\u524d\uff0c\u50cf SELECT ... INTO rec.fld FROM ... \u8fd9\u6837\u7684\u8bed\u53e5\u5373\u4f7f\u8bb0\u5f55\u5b57\u6bb5 fld \u662f\u7ec4\u5408\u7c7b\u578b\uff0c\u4e5f\u88ab\u89c6\u4e3a\u6807\u91cf\u8d4b\u503c\u3002\u73b0\u5728\u5b83\u88ab\u89c6\u4e3a\u8bb0\u5f55\u8d4b\u503c\uff0c\u4e0e INTO \u76ee\u6807\u662f\u7ec4\u5408\u7c7b\u578b\u7684\u5e38\u89c4\u53d8\u91cf\u65f6\u76f8\u540c\u3002\u56e0\u6b64\uff0c\u8981\u8d4b\u7ed9\u5b57\u6bb5\u5404\u5b50\u5b57\u6bb5\u7684\u503c\u5e94\u5199\u6210 SELECT \u5217\u8868\u7684\u5355\u72ec\u5217\uff0c\u800c\u4e0d\u662f\u50cf\u4ee5\u524d\u7248\u672c\u90a3\u6837\u5199\u6210 ROW(...) \u6784\u9020\u3002 \u5982\u679c\u9700\u8981\u4ee5\u540c\u65f6\u9002\u7528\u4e8e 9.0 \u548c\u4ee5\u524d\u7248\u672c\u7684\u65b9\u5f0f\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u53ef\u4ee5\u5199\u6210\u7c7b\u4f3c rec.fld := ROW(...) FROM ...\u3002", "title": "PL/pgSQL \u73b0\u5728\u66f4\u4e00\u81f4\u5730\u5904\u7406\u9009\u62e9\u5230\u7ec4\u5408\u5b57\u6bb5\u7684\u60c5\u51b5", "commits": [], "section": "PL/pgSQL", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.8", "source_hash": "02ffbe18b44ba768bdca9993eb4f762bdd8450e50e30336f5c20a5d2ff5ff448", "section_path": ["PL/pgSQL"], "commit_groups": [], "identity_text": "PL/pgSQL now treats selection into composite fields more consistently (Tom Lane) Formerly, a statement like SELECT ... INTO rec.fld FROM ... was treated as a scalar assignment even if the record field fld was of composite type. Now it is treated as a record assignment, the same as when the INTO target is a regular variable of composite type. So the values to be assigned to the field's subfields should be written as separate columns of the SELECT list, not as a ROW(...) construct as in previous versions. If you need to do this in a way that will work in both 9.0 and previous releases, you can write something like rec.fld := ROW(...) FROM ....", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/017", "db_id": "4b672a57844a1affa1ab95e7e05c6855", "patch_ids": [], "statement_hash": "51f3a246eaab3fe114d4ff68ed2a70e0b96689db7ea0228b302ca17f7fcc2f8d", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-04506ebd4de81ec7", "migration": true}, {"id": "9.0.0-5a7991c17a14a4d4", "cves": [], "html": "

\u79fb\u9664 PL/pgSQL \u7684 RENAME \u58f0\u660e\uff08Tom Lane\uff09

\n

\u7528 ALIAS \u53d6\u4ee3 RENAME\uff0c\u5b83\u73b0\u5728\u53ef\u4ee5\u4e3a\u4efb\u4f55\u53d8\u91cf\u521b\u5efa\u522b\u540d\uff0c\u800c\u4e0d\u518d\u50cf\u4ee5\u524d\u90a3\u6837\u53ea\u80fd\u7528\u4e8e\u7f8e\u5143\u7b26\u53f7\u53c2\u6570\u540d\uff08\u5982 $1\uff09\u3002

", "text": "\u79fb\u9664 PL/pgSQL \u7684 RENAME \u58f0\u660e\uff08Tom Lane\uff09 \u7528 ALIAS \u53d6\u4ee3 RENAME\uff0c\u5b83\u73b0\u5728\u53ef\u4ee5\u4e3a\u4efb\u4f55\u53d8\u91cf\u521b\u5efa\u522b\u540d\uff0c\u800c\u4e0d\u518d\u50cf\u4ee5\u524d\u90a3\u6837\u53ea\u80fd\u7528\u4e8e\u7f8e\u5143\u7b26\u53f7\u53c2\u6570\u540d\uff08\u5982 $1\uff09\u3002", "title": "\u79fb\u9664 PL/pgSQL \u7684 RENAME \u58f0\u660e", "commits": [], "section": "PL/pgSQL", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.8", "source_hash": "7522639f2a150e1888d4ea5c6f5d83fb41c3a578a0cbfc9508bf679dd6bbe554", "section_path": ["PL/pgSQL"], "commit_groups": [], "identity_text": "Remove PL/pgSQL's RENAME declaration (Tom Lane) Instead of RENAME, use ALIAS, which can now create an alias for any variable, not only dollar sign parameter names (such as $1) as before.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/018", "db_id": "ee173c5cb2042927316af71d1671b6bb", "patch_ids": [], "statement_hash": "3de60ac187a842ee8bb47a12885ab84bfa4bd112c10810f6ded795834bc860e0", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-5a7991c17a14a4d4", "migration": true}, {"id": "9.0.0-fe20e004fd1496b5", "cves": [], "html": "

\u5e9f\u5f03\u628a => \u7528\u4f5c\u64cd\u4f5c\u7b26\u540d\uff08Robert Haas\uff09

\n

\u4e3a\u4e86\u652f\u6301 SQL \u6807\u51c6\u7684\u547d\u540d\u51fd\u6570\u53c2\u6570\u8bb0\u6cd5\uff0c\u672a\u6765\u7248\u672c\u7684 PostgreSQL \u53ef\u80fd\u4f1a\u5b8c\u5168\u62d2\u7edd\u6b64\u64cd\u4f5c\u7b26\u540d\u3002\u76ee\u524d\u5b83\u4ecd\u88ab\u5141\u8bb8\uff0c\u4f46\u5b9a\u4e49\u6b64\u7c7b\u64cd\u4f5c\u7b26\u65f6\u4f1a\u53d1\u51fa\u8b66\u544a\u3002

", "text": "\u5e9f\u5f03\u628a => \u7528\u4f5c\u64cd\u4f5c\u7b26\u540d\uff08Robert Haas\uff09 \u4e3a\u4e86\u652f\u6301 SQL \u6807\u51c6\u7684\u547d\u540d\u51fd\u6570\u53c2\u6570\u8bb0\u6cd5\uff0c\u672a\u6765\u7248\u672c\u7684 PostgreSQL \u53ef\u80fd\u4f1a\u5b8c\u5168\u62d2\u7edd\u6b64\u64cd\u4f5c\u7b26\u540d\u3002\u76ee\u524d\u5b83\u4ecd\u88ab\u5141\u8bb8\uff0c\u4f46\u5b9a\u4e49\u6b64\u7c7b\u64cd\u4f5c\u7b26\u65f6\u4f1a\u53d1\u51fa\u8b66\u544a\u3002", "title": "\u5e9f\u5f03\u628a => \u7528\u4f5c\u64cd\u4f5c\u7b26\u540d", "commits": [], "section": "\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.9", "source_hash": "203a74f036529d094b8b7612f08adccebc4c06938e1dc2e0a814756caf7b1168", "section_path": ["\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904"], "commit_groups": [], "identity_text": "Deprecate use of => as an operator name (Robert Haas) Future versions of PostgreSQL will probably reject this operator name entirely, in order to support the SQL-standard notation for named function parameters. For the moment, it is still allowed, but a warning is emitted when such an operator is defined.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/019", "db_id": "cb8b9815919b672e97c239dcab6f7092", "patch_ids": [], "statement_hash": "39468e8cc9ffb8c5bb61282738c5116f024c23650038a19efbe7526a80c6ae55", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-fe20e004fd1496b5", "migration": true}, {"id": "9.0.0-0fe883aa4862cf85", "cves": [], "html": "

\u79fb\u9664\u5bf9\u6ca1\u6709\u53ef\u7528 64 \u4f4d\u6574\u6570\u6570\u636e\u7c7b\u578b\u7684\u5e73\u53f0\u7684\u652f\u6301\uff08Tom Lane\uff09

\n

\u636e\u4fe1\u6240\u6709\u4ecd\u53d7\u652f\u6301\u7684\u5e73\u53f0\u90fd\u6709\u53ef\u7528\u7684 64 \u4f4d\u6574\u6570\u6570\u636e\u7c7b\u578b\u3002

", "text": "\u79fb\u9664\u5bf9\u6ca1\u6709\u53ef\u7528 64 \u4f4d\u6574\u6570\u6570\u636e\u7c7b\u578b\u7684\u5e73\u53f0\u7684\u652f\u6301\uff08Tom Lane\uff09 \u636e\u4fe1\u6240\u6709\u4ecd\u53d7\u652f\u6301\u7684\u5e73\u53f0\u90fd\u6709\u53ef\u7528\u7684 64 \u4f4d\u6574\u6570\u6570\u636e\u7c7b\u578b\u3002", "title": "\u79fb\u9664\u5bf9\u6ca1\u6709\u53ef\u7528 64 \u4f4d\u6574\u6570\u6570\u636e\u7c7b\u578b\u7684\u5e73\u53f0\u7684\u652f\u6301", "commits": [], "section": "\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904", "category": "compatibility", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.4.9", "source_hash": "337e9025a2dd9097e2e31fcf0344f2d8b8d3cffe602e76a68a8d3323bd4a0780", "section_path": ["\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904"], "commit_groups": [], "identity_text": "Remove support for platforms that don't have a working 64-bit integer data type (Tom Lane) It is believed all still-supported platforms have working 64-bit integer data types.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/migration/020", "db_id": "2921a4b2c32598783c247a6e5cda031a", "patch_ids": [], "statement_hash": "bb1b7348f80bafe789b5bbe115e872506e8d5647536c3bb31480030a3bf8bfe0", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.0.0#9.0.0-0fe883aa4862cf85", "migration": true}, {"id": "9.0.0-27d41c3238739276", "cves": [], "html": "

\u5141\u8bb8\u5907\u5e93\u670d\u52a1\u5668\u63a5\u53d7\u53ea\u8bfb\u67e5\u8be2\uff08Simon Riggs\u3001Heikki Linnakangas\uff09

\n

\u6b64\u7279\u6027\u79f0\u4e3a\u70ed\u5907\u3002\u6709\u65b0\u7684 postgresql.conf \u548c recovery.conf \u8bbe\u7f6e\u63a7\u5236\u6b64\u7279\u6027\uff0c\u5e76\u6709\u8be6\u5c3d\u7684\u6587\u6863\u3002

", "text": "\u5141\u8bb8\u5907\u5e93\u670d\u52a1\u5668\u63a5\u53d7\u53ea\u8bfb\u67e5\u8be2\uff08Simon Riggs\u3001Heikki Linnakangas\uff09 \u6b64\u7279\u6027\u79f0\u4e3a\u70ed\u5907\u3002\u6709\u65b0\u7684 postgresql.conf \u548c recovery.conf \u8bbe\u7f6e\u63a7\u5236\u6b64\u7279\u6027\uff0c\u5e76\u6709\u8be6\u5c3d\u7684\u6587\u6863\u3002", "title": "\u5141\u8bb8\u5907\u5e93\u670d\u52a1\u5668\u63a5\u53d7\u53ea\u8bfb\u67e5\u8be2", "commits": [], "section": "\u670d\u52a1\u5668 / \u8fde\u7eed\u5f52\u6863\u548c\u6d41\u590d\u5236", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.2", "source_hash": "76ecf0b30b12c98b845da5d1979f3b497343b19205911215906670913032bbdb", "section_path": ["\u670d\u52a1\u5668", "\u8fde\u7eed\u5f52\u6863\u548c\u6d41\u590d\u5236"], "commit_groups": [], "identity_text": "Allow a standby server to accept read-only queries (Simon Riggs, Heikki Linnakangas) This feature is called Hot Standby. There are new postgresql.conf and recovery.conf settings to control this feature, as well as extensive documentation.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/001", "db_id": "a1de348cb3259392c506df4d201814a8", "patch_ids": [], "statement_hash": "d7194b1ebb2524df6a7f8d21db6c13734c8af38bf5c53293327ecb7bd834919b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-27d41c3238739276", "migration": false}, {"id": "9.0.0-76290ea3d53d4048", "cves": [], "html": "

\u5141\u8bb8\u628a\u9884\u5199\u5f0f\u65e5\u5fd7\uff08WAL\uff09\u6570\u636e\u6d41\u5f0f\u4f20\u8f93\u5230\u5907\u5e93\u670d\u52a1\u5668\uff08Fujii Masao\u3001Heikki Linnakangas\uff09

\n

\u6b64\u7279\u6027\u79f0\u4e3a\u6d41\u590d\u5236\u3002\u6b64\u524d WAL \u6570\u636e\u53ea\u80fd\u4ee5\u6574\u4e2a WAL \u6587\u4ef6\uff08\u901a\u5e38\u6bcf\u4e2a 16 MB\uff09\u4e3a\u5355\u4f4d\u53d1\u9001\u5230\u5907\u5e93\u670d\u52a1\u5668\u3002\u6d41\u590d\u5236\u6d88\u9664\u4e86\u8fd9\u79cd\u4f4e\u6548\uff0c\u4f7f\u4e3b\u5e93\u4e0a\u7684\u66f4\u65b0\u80fd\u4ee5\u6781\u5c0f\u5ef6\u8fdf\u4f20\u64ad\u5230\u5907\u5e93\u670d\u52a1\u5668\u3002\u6709\u65b0\u7684 postgresql.conf \u548c recovery.conf \u8bbe\u7f6e\u63a7\u5236\u6b64\u7279\u6027\uff0c\u5e76\u6709\u8be6\u5c3d\u7684\u6587\u6863\u3002

", "text": "\u5141\u8bb8\u628a\u9884\u5199\u5f0f\u65e5\u5fd7\uff08WAL\uff09\u6570\u636e\u6d41\u5f0f\u4f20\u8f93\u5230\u5907\u5e93\u670d\u52a1\u5668\uff08Fujii Masao\u3001Heikki Linnakangas\uff09 \u6b64\u7279\u6027\u79f0\u4e3a\u6d41\u590d\u5236\u3002\u6b64\u524d WAL \u6570\u636e\u53ea\u80fd\u4ee5\u6574\u4e2a WAL \u6587\u4ef6\uff08\u901a\u5e38\u6bcf\u4e2a 16 MB\uff09\u4e3a\u5355\u4f4d\u53d1\u9001\u5230\u5907\u5e93\u670d\u52a1\u5668\u3002\u6d41\u590d\u5236\u6d88\u9664\u4e86\u8fd9\u79cd\u4f4e\u6548\uff0c\u4f7f\u4e3b\u5e93\u4e0a\u7684\u66f4\u65b0\u80fd\u4ee5\u6781\u5c0f\u5ef6\u8fdf\u4f20\u64ad\u5230\u5907\u5e93\u670d\u52a1\u5668\u3002\u6709\u65b0\u7684 postgresql.conf \u548c recovery.conf \u8bbe\u7f6e\u63a7\u5236\u6b64\u7279\u6027\uff0c\u5e76\u6709\u8be6\u5c3d\u7684\u6587\u6863\u3002", "title": "\u5141\u8bb8\u628a\u9884\u5199\u5f0f\u65e5\u5fd7\uff08WAL\uff09\u6570\u636e\u6d41\u5f0f\u4f20\u8f93\u5230\u5907\u5e93\u670d\u52a1\u5668", "commits": [], "section": "\u670d\u52a1\u5668 / \u8fde\u7eed\u5f52\u6863\u548c\u6d41\u590d\u5236", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.2", "source_hash": "a546b3a9ff29d5a59f3442a92edbd6ce25502ab9df02721295fc3f8ae2f95de3", "section_path": ["\u670d\u52a1\u5668", "\u8fde\u7eed\u5f52\u6863\u548c\u6d41\u590d\u5236"], "commit_groups": [], "identity_text": "Allow write-ahead log (WAL) data to be streamed to a standby server (Fujii Masao, Heikki Linnakangas) This feature is called Streaming Replication. Previously WAL data could be sent to standby servers only in units of entire WAL files (normally 16 megabytes each). Streaming Replication eliminates this inefficiency and allows updates on the master to be propagated to standby servers with very little delay. There are new postgresql.conf and recovery.conf settings to control this feature, as well as extensive documentation.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/002", "db_id": "3d5ba08b9761b170f488d737f1bbe898", "patch_ids": [], "statement_hash": "e29393810b2a2ed3aa68fcb3352ff00b8ec1b0d8cc300ac3565a0446e3a05c18", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-76290ea3d53d4048", "migration": false}, {"id": "9.0.0-7da58799a7089d5d", "cves": [], "html": "

\u65b0\u589e pg_last_xlog_receive_location() \u548c pg_last_xlog_replay_location()\uff0c\u53ef\u7528\u4e8e\u76d1\u63a7\u5907\u5e93\u670d\u52a1\u5668\u7684 WAL \u6d3b\u52a8\uff08Simon Riggs\u3001Fujii Masao\u3001Heikki Linnakangas\uff09

", "text": "\u65b0\u589e pg_last_xlog_receive_location() \u548c pg_last_xlog_replay_location()\uff0c\u53ef\u7528\u4e8e\u76d1\u63a7\u5907\u5e93\u670d\u52a1\u5668\u7684 WAL \u6d3b\u52a8\uff08Simon Riggs\u3001Fujii Masao\u3001Heikki Linnakangas\uff09", "title": "\u65b0\u589e pg_last_xlog_receive_location() \u548c pg_last_xlog_replay_location()\uff0c\u53ef\u7528\u4e8e\u76d1\u63a7\u5907\u5e93\u670d\u52a1\u5668\u7684 WAL \u6d3b\u52a8", "commits": [], "section": "\u670d\u52a1\u5668 / \u8fde\u7eed\u5f52\u6863\u548c\u6d41\u590d\u5236", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.2", "source_hash": "fe1685d97d2861e395f85e29be15c7b663fc5a5883694b6a87aff8fc746d4511", "section_path": ["\u670d\u52a1\u5668", "\u8fde\u7eed\u5f52\u6863\u548c\u6d41\u590d\u5236"], "commit_groups": [], "identity_text": "Add pg_last_xlog_receive_location() and pg_last_xlog_replay_location(), which can be used to monitor standby server WAL activity (Simon Riggs, Fujii Masao, Heikki Linnakangas)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/003", "db_id": "7326b6943be336f849befb1e32b0b71b", "patch_ids": [], "statement_hash": "f27db56187c59ea867c9d27123a103a5aa9fdecc80587be8897a1f8f3f6b9467", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-7da58799a7089d5d", "migration": false}, {"id": "9.0.0-cf1aeb50126ccdb1", "cves": [], "html": "

\u5141\u8bb8\u901a\u8fc7 ALTER TABLESPACE ... SET/RESET \u4e3a\u987a\u5e8f\u548c\u968f\u673a\u9875\u9762\u4ee3\u4ef7\u4f30\u8ba1\uff08seq_page_cost/random_page_cost\uff09\u8bbe\u7f6e\u9010\u8868\u7a7a\u95f4\u7684\u503c\uff08Robert Haas\uff09

", "text": "\u5141\u8bb8\u901a\u8fc7 ALTER TABLESPACE ... SET/RESET \u4e3a\u987a\u5e8f\u548c\u968f\u673a\u9875\u9762\u4ee3\u4ef7\u4f30\u8ba1\uff08seq_page_cost/random_page_cost\uff09\u8bbe\u7f6e\u9010\u8868\u7a7a\u95f4\u7684\u503c\uff08Robert Haas\uff09", "title": "\u5141\u8bb8\u901a\u8fc7 ALTER TABLESPACE ... SET/RESET \u4e3a\u987a\u5e8f\u548c\u968f\u673a\u9875\u9762\u4ee3\u4ef7\u4f30\u8ba1\uff08seq_page_cost/random_page_cost\uff09\u8bbe\u7f6e\u9010\u8868\u7a7a\u95f4\u7684\u503c", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.3", "source_hash": "abcef5df7255e1247dc292fc6674376afb7c956db2cf988a6e4b45c2e9ef89ec", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Allow per-tablespace values to be set for sequential and random page cost estimates (seq_page_cost/random_page_cost) via ALTER TABLESPACE ... SET/RESET (Robert Haas)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/004", "db_id": "eb453f84955fc410fe531c6da2405ff9", "patch_ids": [], "statement_hash": "669e4813a6ff8b6ae55783d9770e92ebdac11841dd31594f1e7c9a06b4020751", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-cf1aeb50126ccdb1", "migration": false}, {"id": "9.0.0-b4bb73c2a7932610", "cves": [], "html": "

\u6539\u8fdb\u8fde\u63a5\u67e5\u8be2\u4e2d EvalPlanQual \u91cd\u65b0\u68c0\u67e5\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff08Tom Lane\uff09

\n

\u6d89\u53ca\u8fde\u63a5\u7684 UPDATE\u3001DELETE \u548c SELECT FOR UPDATE/SHARE \u67e5\u8be2\u5728\u9047\u5230\u521a\u66f4\u65b0\u7684\u884c\u65f6\u73b0\u5728\u8868\u73b0\u5f97\u597d\u5f97\u591a\u3002

", "text": "\u6539\u8fdb\u8fde\u63a5\u67e5\u8be2\u4e2d EvalPlanQual \u91cd\u65b0\u68c0\u67e5\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff08Tom Lane\uff09 \u6d89\u53ca\u8fde\u63a5\u7684 UPDATE\u3001DELETE \u548c SELECT FOR UPDATE/SHARE \u67e5\u8be2\u5728\u9047\u5230\u521a\u66f4\u65b0\u7684\u884c\u65f6\u73b0\u5728\u8868\u73b0\u5f97\u597d\u5f97\u591a\u3002", "title": "\u6539\u8fdb\u8fde\u63a5\u67e5\u8be2\u4e2d EvalPlanQual \u91cd\u65b0\u68c0\u67e5\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "performance", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.3", "source_hash": "098b32cb10104601167554e380073ccf47d8794c692bf9cc9a399ee43fd3fb5c", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Improve performance and reliability of EvalPlanQual rechecks in join queries (Tom Lane) UPDATE, DELETE, and SELECT FOR UPDATE/SHARE queries that involve joins will now behave much better when encountering freshly-updated rows.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/005", "db_id": "5f9d2b266d1b62fdb57aa1bfa0dc2262", "patch_ids": [], "statement_hash": "5306e6c6135cc67e1d0121e8527533eb871557a564b28d1c59630f7277f2fd2a", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=9.0.0#9.0.0-b4bb73c2a7932610", "migration": false}, {"id": "9.0.0-2bb948781dddac58", "cves": [], "html": "

\u6539\u8fdb\u8868\u5728\u540c\u4e00\u4e8b\u52a1\u4e2d\u8f83\u65e9\u524d\u88ab\u521b\u5efa\u6216\u622a\u65ad\u65f6 TRUNCATE \u7684\u6027\u80fd\uff08Tom Lane\uff09

", "text": "\u6539\u8fdb\u8868\u5728\u540c\u4e00\u4e8b\u52a1\u4e2d\u8f83\u65e9\u524d\u88ab\u521b\u5efa\u6216\u622a\u65ad\u65f6 TRUNCATE \u7684\u6027\u80fd\uff08Tom Lane\uff09", "title": "\u6539\u8fdb\u8868\u5728\u540c\u4e00\u4e8b\u52a1\u4e2d\u8f83\u65e9\u524d\u88ab\u521b\u5efa\u6216\u622a\u65ad\u65f6 TRUNCATE \u7684\u6027\u80fd", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "performance", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.3", "source_hash": "76402758a831fa49690a22d4069537948c70acd8701177a4e53825d88417dc99", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Improve performance of TRUNCATE when the table was created or truncated earlier in the same transaction (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/006", "db_id": "724f03923bae148a41c834aa366edafb", "patch_ids": [], "statement_hash": "bb1de49a094625d34dc2a8d6632c8c38e0014ff8602e25b1b77b0a9e0ec37b5f", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=9.0.0#9.0.0-2bb948781dddac58", "migration": false}, {"id": "9.0.0-8e61c184f8995b12", "cves": [], "html": "

\u6539\u8fdb\u67e5\u627e\u7ee7\u627f\u5b50\u8868\u7684\u6027\u80fd\uff08Tom Lane\uff09

", "text": "\u6539\u8fdb\u67e5\u627e\u7ee7\u627f\u5b50\u8868\u7684\u6027\u80fd\uff08Tom Lane\uff09", "title": "\u6539\u8fdb\u67e5\u627e\u7ee7\u627f\u5b50\u8868\u7684\u6027\u80fd", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "performance", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.3", "source_hash": "0fcb2eb63d78dd4b185662fa270766f447750f831048cbb28d24a8f1a11864c8", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Improve performance of finding inheritance child tables (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/007", "db_id": "11c60fc8f035933b2a0fb242db7a4812", "patch_ids": [], "statement_hash": "8d2ce43b668df0f7209e7bfa65a4f992261320332b49b5a9a57a4867c8639158", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=9.0.0#9.0.0-8e61c184f8995b12", "migration": false}, {"id": "9.0.0-e589ebf283d09ed5", "cves": [], "html": "

\u79fb\u9664\u4e0d\u5fc5\u8981\u7684\u5916\u8fde\u63a5\uff08Robert Haas\uff09

\n

\u5185\u4fa7\u552f\u4e00\u4e14\u672a\u88ab\u8fde\u63a5\u4ee5\u4e0a\u5f15\u7528\u7684\u5916\u8fde\u63a5\u662f\u4e0d\u5fc5\u8981\u7684\uff0c\u56e0\u6b64\u73b0\u5728\u4f1a\u88ab\u79fb\u9664\u3002\u8fd9\u5c06\u52a0\u901f\u8bb8\u591a\u81ea\u52a8\u751f\u6210\u7684\u67e5\u8be2\uff0c\u4f8b\u5982\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\u5668\uff08ORM\uff09\u521b\u5efa\u7684\u67e5\u8be2\u3002

", "text": "\u79fb\u9664\u4e0d\u5fc5\u8981\u7684\u5916\u8fde\u63a5\uff08Robert Haas\uff09 \u5185\u4fa7\u552f\u4e00\u4e14\u672a\u88ab\u8fde\u63a5\u4ee5\u4e0a\u5f15\u7528\u7684\u5916\u8fde\u63a5\u662f\u4e0d\u5fc5\u8981\u7684\uff0c\u56e0\u6b64\u73b0\u5728\u4f1a\u88ab\u79fb\u9664\u3002\u8fd9\u5c06\u52a0\u901f\u8bb8\u591a\u81ea\u52a8\u751f\u6210\u7684\u67e5\u8be2\uff0c\u4f8b\u5982\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\u5668\uff08ORM\uff09\u521b\u5efa\u7684\u67e5\u8be2\u3002", "title": "\u79fb\u9664\u4e0d\u5fc5\u8981\u7684\u5916\u8fde\u63a5", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.4", "source_hash": "858dddc2871c2946ca85a9cdf5e204340decda8f6720b71623062658e6304a77", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [], "identity_text": "Remove unnecessary outer joins (Robert Haas) Outer joins where the inner side is unique and not referenced above the join are unnecessary and are therefore now removed. This will accelerate many automatically generated queries, such as those created by object-relational mappers (ORMs).", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/008", "db_id": "2f608b7d819e700845bd3cc6fdd1f561", "patch_ids": [], "statement_hash": "48f7db46eb3ad0a3bac19f6f455842548978bd4e02525f5867da2f87477e93ee", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-e589ebf283d09ed5", "migration": false}, {"id": "9.0.0-5af30327fd85fed6", "cves": [], "html": "

\u5141\u8bb8 IS NOT NULL \u9650\u5236\u4f7f\u7528\u7d22\u5f15\uff08Tom Lane\uff09

\n

\u8fd9\u5728\u5305\u542b\u5927\u91cf\u7a7a\u503c\u7684\u7d22\u5f15\u4e2d\u67e5\u627e MAX()/MIN() \u503c\u65f6\u7279\u522b\u6709\u7528\u3002

", "text": "\u5141\u8bb8 IS NOT NULL \u9650\u5236\u4f7f\u7528\u7d22\u5f15\uff08Tom Lane\uff09 \u8fd9\u5728\u5305\u542b\u5927\u91cf\u7a7a\u503c\u7684\u7d22\u5f15\u4e2d\u67e5\u627e MAX()/MIN() \u503c\u65f6\u7279\u522b\u6709\u7528\u3002", "title": "\u5141\u8bb8 IS NOT NULL \u9650\u5236\u4f7f\u7528\u7d22\u5f15", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.4", "source_hash": "e1090f5196eef0d4747d32538d16acc99b24f0f98f3d3794534ee18c7702152d", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [], "identity_text": "Allow IS NOT NULL restrictions to use indexes (Tom Lane) This is particularly useful for finding MAX()/MIN() values in indexes that contain many null values.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/009", "db_id": "ab1808493c016d121a2b2ba7e466259e", "patch_ids": [], "statement_hash": "70e6f6afaa8231734aae6391dc4ddbae49d791c8c42dbd7005fcb7e1e2c10401", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-5af30327fd85fed6", "migration": false}, {"id": "9.0.0-296878608b2fe7be", "cves": [], "html": "

\u6539\u8fdb\u4f18\u5316\u5668\u5173\u4e8e\u4f55\u65f6\u4f7f\u7528\u7269\u5316\u8282\u70b9\u3001\u4ee5\u53ca DISTINCT \u7528\u6392\u5e8f\u8fd8\u662f\u54c8\u5e0c\u7684\u9009\u62e9\uff08Tom Lane\uff09

", "text": "\u6539\u8fdb\u4f18\u5316\u5668\u5173\u4e8e\u4f55\u65f6\u4f7f\u7528\u7269\u5316\u8282\u70b9\u3001\u4ee5\u53ca DISTINCT \u7528\u6392\u5e8f\u8fd8\u662f\u54c8\u5e0c\u7684\u9009\u62e9\uff08Tom Lane\uff09", "title": "\u6539\u8fdb\u4f18\u5316\u5668\u5173\u4e8e\u4f55\u65f6\u4f7f\u7528\u7269\u5316\u8282\u70b9\u3001\u4ee5\u53ca DISTINCT \u7528\u6392\u5e8f\u8fd8\u662f\u54c8\u5e0c\u7684\u9009\u62e9", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.4", "source_hash": "7d8ea758251da1894d45dd05ea0d004b58dd56942ab83722df5905aec5ceb1f4", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [], "identity_text": "Improve the optimizer's choices about when to use materialize nodes, and when to use sorting versus hashing for DISTINCT (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/010", "db_id": "4f659ce18f0f49d450679249d4329edb", "patch_ids": [], "statement_hash": "4928f93f3779c5a2258300b903780751794095a28ddd1c75aa823cd4367c9cf4", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-296878608b2fe7be", "migration": false}, {"id": "9.0.0-15ae5993ccc49601", "cves": [], "html": "

\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u6d89\u53ca boolean <> \u64cd\u4f5c\u7b26\u7684\u8868\u8fbe\u5f0f\u7684\u7b49\u4ef7\u68c0\u6d4b\uff08Tom Lane\uff09

", "text": "\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u6d89\u53ca boolean <> \u64cd\u4f5c\u7b26\u7684\u8868\u8fbe\u5f0f\u7684\u7b49\u4ef7\u68c0\u6d4b\uff08Tom Lane\uff09", "title": "\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u6d89\u53ca boolean <> \u64cd\u4f5c\u7b26\u7684\u8868\u8fbe\u5f0f\u7684\u7b49\u4ef7\u68c0\u6d4b", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.4", "source_hash": "e33b7f5751c9ed7ea443bb25b5ebe83fc70b2b98b7252ea1cdc797cbcd3bdb92", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [], "identity_text": "Improve the optimizer's equivalence detection for expressions involving boolean <> operators (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/011", "db_id": "9699911de3ea025502bd89cddcdb8552", "patch_ids": [], "statement_hash": "9c5347d5a152986cf3e4a69fc1409cc66085787cec33832fc17f8b0a03372886", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-15ae5993ccc49601", "migration": false}, {"id": "9.0.0-a608e89a61776dc3", "cves": [], "html": "

\u8ba9 GEQO \u6bcf\u6b21\u89c4\u5212\u67e5\u8be2\u65f6\u4f7f\u7528\u76f8\u540c\u7684\u968f\u673a\u79cd\u5b50\uff08Andres Freund\uff09

\n

\u867d\u7136\u9057\u4f20\u67e5\u8be2\u4f18\u5316\u5668\uff08GEQO\uff09\u4ecd\u7136\u968f\u673a\u9009\u62e9\u8ba1\u5212\uff0c\u4f46\u5b83\u73b0\u5728\u5bf9\u76f8\u540c\u67e5\u8be2\u603b\u662f\u9009\u62e9\u76f8\u540c\u7684\u968f\u673a\u8ba1\u5212\uff0c\u4ece\u800c\u7ed9\u51fa\u66f4\u4e00\u81f4\u7684\u6027\u80fd\u3002\u53ef\u4ee5\u4fee\u6539 geqo_seed \u6765\u8bd5\u9a8c\u5176\u4ed6\u8ba1\u5212\u3002

", "text": "\u8ba9 GEQO \u6bcf\u6b21\u89c4\u5212\u67e5\u8be2\u65f6\u4f7f\u7528\u76f8\u540c\u7684\u968f\u673a\u79cd\u5b50\uff08Andres Freund\uff09 \u867d\u7136\u9057\u4f20\u67e5\u8be2\u4f18\u5316\u5668\uff08GEQO\uff09\u4ecd\u7136\u968f\u673a\u9009\u62e9\u8ba1\u5212\uff0c\u4f46\u5b83\u73b0\u5728\u5bf9\u76f8\u540c\u67e5\u8be2\u603b\u662f\u9009\u62e9\u76f8\u540c\u7684\u968f\u673a\u8ba1\u5212\uff0c\u4ece\u800c\u7ed9\u51fa\u66f4\u4e00\u81f4\u7684\u6027\u80fd\u3002\u53ef\u4ee5\u4fee\u6539 geqo_seed \u6765\u8bd5\u9a8c\u5176\u4ed6\u8ba1\u5212\u3002", "title": "\u8ba9 GEQO \u6bcf\u6b21\u89c4\u5212\u67e5\u8be2\u65f6\u4f7f\u7528\u76f8\u540c\u7684\u968f\u673a\u79cd\u5b50", "commits": [], "section": "\u670d\u52a1\u5668 / GEQO", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.5", "source_hash": "6364e2af5707f82caf6d6450e77e229d727f41d2a2d057417822c57049bd7b66", "section_path": ["\u670d\u52a1\u5668", "GEQO"], "commit_groups": [], "identity_text": "Use the same random seed every time GEQO plans a query (Andres Freund) While the Genetic Query Optimizer (GEQO) still selects random plans, it now always selects the same random plans for identical queries, thus giving more consistent performance. You can modify geqo_seed to experiment with alternative plans.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/012", "db_id": "266943316b292a2d6d989d8b76d33610", "patch_ids": [], "statement_hash": "cf8461ef8cad3bc0e75d641dcdb1334f1d5c1d775e0f4d5da38b8765ad5817a1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-a608e89a61776dc3", "migration": false}, {"id": "9.0.0-2e73074372393545", "cves": [], "html": "

\u6539\u8fdb GEQO \u8ba1\u5212\u9009\u62e9\uff08Tom Lane\uff09

\n

\u8fd9\u907f\u514d\u4e86\u7f55\u89c1\u7684 \u201cfailed to make a valid plan\u201d \u9519\u8bef\uff0c\u8fd8\u5e94\u80fd\u6539\u8fdb\u89c4\u5212\u901f\u5ea6\u3002

", "text": "\u6539\u8fdb GEQO \u8ba1\u5212\u9009\u62e9\uff08Tom Lane\uff09 \u8fd9\u907f\u514d\u4e86\u7f55\u89c1\u7684 \u201cfailed to make a valid plan\u201d \u9519\u8bef\uff0c\u8fd8\u5e94\u80fd\u6539\u8fdb\u89c4\u5212\u901f\u5ea6\u3002", "title": "\u6539\u8fdb GEQO \u8ba1\u5212\u9009\u62e9", "commits": [], "section": "\u670d\u52a1\u5668 / GEQO", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.5", "source_hash": "3bde8f6708f30c30d9781c17afae1f7547066173233668310d9b47d03d25b2fb", "section_path": ["\u670d\u52a1\u5668", "GEQO"], "commit_groups": [], "identity_text": "Improve GEQO plan selection (Tom Lane) This avoids the rare error failed to make a valid plan, and should also improve planning speed.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/013", "db_id": "561b24334198673fcdf2724ff0a35663", "patch_ids": [], "statement_hash": "bdeadd762c4077e983c20d50835766a6f46c1230f75df3575b11d57e8c8109d4", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-2e73074372393545", "migration": false}, {"id": "9.0.0-27b4eb881daae25b", "cves": [], "html": "

\u6539\u8fdb ANALYZE\uff0c\u4f7f\u5176\u652f\u6301\u7ee7\u627f\u6811\u7edf\u8ba1\u4fe1\u606f\uff08Tom Lane\uff09

\n

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", "text": "\u6539\u8fdb ANALYZE\uff0c\u4f7f\u5176\u652f\u6301\u7ee7\u627f\u6811\u7edf\u8ba1\u4fe1\u606f\uff08Tom Lane\uff09 \u8fd9\u5bf9\u5206\u533a\u8868\u7279\u522b\u6709\u7528\u3002\u4f46\u81ea\u52a8\u6e05\u7406\u5c1a\u4e0d\u4f1a\u5728\u5b50\u8868\u53d8\u5316\u65f6\u81ea\u52a8\u91cd\u65b0\u5206\u6790\u7236\u8868\u3002", "title": "\u6539\u8fdb ANALYZE\uff0c\u4f7f\u5176\u652f\u6301\u7ee7\u627f\u6811\u7edf\u8ba1\u4fe1\u606f", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668\u7edf\u8ba1", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.6", "source_hash": "a50a259b636e290b188d8d39294a01c131d4a67621bc0b853d7330777e35b980", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668\u7edf\u8ba1"], "commit_groups": [], "identity_text": "Improve ANALYZE to support inheritance-tree statistics (Tom Lane) This is particularly useful for partitioned tables. However, autovacuum does not yet automatically re-analyze parent tables when child tables change.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/014", "db_id": "742d099d851a70d6217db65982443386", "patch_ids": [], "statement_hash": "2841214d590eaeb01b2c55e020e1185fbf55cb3d4409a3c554919138e9e9b82d", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-27b4eb881daae25b", "migration": false}, {"id": "9.0.0-be10c58a182fbe77", "cves": [], "html": "

\u6539\u8fdb\u81ea\u52a8\u6e05\u7406\u5bf9\u4f55\u65f6\u9700\u8981\u91cd\u65b0\u5206\u6790\u7684\u68c0\u6d4b\uff08Tom Lane\uff09

", "text": "\u6539\u8fdb\u81ea\u52a8\u6e05\u7406\u5bf9\u4f55\u65f6\u9700\u8981\u91cd\u65b0\u5206\u6790\u7684\u68c0\u6d4b\uff08Tom Lane\uff09", "title": "\u6539\u8fdb\u81ea\u52a8\u6e05\u7406\u5bf9\u4f55\u65f6\u9700\u8981\u91cd\u65b0\u5206\u6790\u7684\u68c0\u6d4b", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668\u7edf\u8ba1", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.6", "source_hash": "39f7df689aa195f49ad77c10419ae41779e1419a9e10bfd8252af05bf940051b", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668\u7edf\u8ba1"], "commit_groups": [], "identity_text": "Improve autovacuum's detection of when re-analyze is necessary (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/015", "db_id": "cb04edfebabf7533207d79915b70ab33", "patch_ids": [], "statement_hash": "54ad1662b165a11239f7c400394845f498c711a4915dabfc87056ca19fa88f90", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-be10c58a182fbe77", "migration": false}, {"id": "9.0.0-4d31a445607b3b1f", "cves": [], "html": "

\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u5927\u4e8e/\u5c0f\u4e8e\u6bd4\u8f83\u7684\u4f30\u8ba1\uff08Tom Lane\uff09

\n

\u5728\u67e5\u627e\u5927\u4e8e/\u5c0f\u4e8e\u6bd4\u8f83\u7684\u7edf\u8ba1\u4fe1\u606f\u65f6\uff0c\u5982\u679c\u6bd4\u8f83\u503c\u4f4d\u4e8e\u7b2c\u4e00\u4e2a\u6216\u6700\u540e\u4e00\u4e2a\u76f4\u65b9\u56fe\u6876\u4e2d\uff0c\u5219\u4f7f\u7528\u7d22\u5f15\uff08\u5982\u679c\u53ef\u7528\uff09\u83b7\u53d6\u8be5\u5217\u5f53\u524d\u7684\u5b9f\u969b\u6700\u5c0f\u503c\u6216\u6700\u5927\u503c\u3002\u8fd9\u5927\u5e45\u6539\u8fdb\u4e86\u5bf9\u6570\u636e\u8303\u56f4\u7aef\u70b9\u9644\u8fd1\u6bd4\u8f83\u503c\u7684\u4f30\u8ba1\u51c6\u786e\u6027\uff0c\u5c24\u5176\u662f\u5f53\u8303\u56f4\u56e0\u65b0\u6570\u636e\u7684\u6dfb\u52a0\u800c\u4e0d\u65ad\u53d8\u5316\u65f6\u3002

", "text": "\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u5927\u4e8e/\u5c0f\u4e8e\u6bd4\u8f83\u7684\u4f30\u8ba1\uff08Tom Lane\uff09 \u5728\u67e5\u627e\u5927\u4e8e/\u5c0f\u4e8e\u6bd4\u8f83\u7684\u7edf\u8ba1\u4fe1\u606f\u65f6\uff0c\u5982\u679c\u6bd4\u8f83\u503c\u4f4d\u4e8e\u7b2c\u4e00\u4e2a\u6216\u6700\u540e\u4e00\u4e2a\u76f4\u65b9\u56fe\u6876\u4e2d\uff0c\u5219\u4f7f\u7528\u7d22\u5f15\uff08\u5982\u679c\u53ef\u7528\uff09\u83b7\u53d6\u8be5\u5217\u5f53\u524d\u7684\u5b9f\u969b\u6700\u5c0f\u503c\u6216\u6700\u5927\u503c\u3002\u8fd9\u5927\u5e45\u6539\u8fdb\u4e86\u5bf9\u6570\u636e\u8303\u56f4\u7aef\u70b9\u9644\u8fd1\u6bd4\u8f83\u503c\u7684\u4f30\u8ba1\u51c6\u786e\u6027\uff0c\u5c24\u5176\u662f\u5f53\u8303\u56f4\u56e0\u65b0\u6570\u636e\u7684\u6dfb\u52a0\u800c\u4e0d\u65ad\u53d8\u5316\u65f6\u3002", "title": "\u6539\u8fdb\u4f18\u5316\u5668\u5bf9\u5927\u4e8e/\u5c0f\u4e8e\u6bd4\u8f83\u7684\u4f30\u8ba1", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668\u7edf\u8ba1", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.6", "source_hash": "7b2237d75b88439cd0867bc1ad9a99bc68ce3e09c35b2ff33374f1bd55d57adc", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668\u7edf\u8ba1"], "commit_groups": [], "identity_text": "Improve optimizer's estimation for greater/less-than comparisons (Tom Lane) When looking up statistics for greater/less-than comparisons, if the comparison value is in the first or last histogram bucket, use an index (if available) to fetch the current actual column minimum or maximum. This greatly improves the accuracy of estimates for comparison values near the ends of the data range, particularly if the range is constantly changing due to addition of new data.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/016", "db_id": "61d7ff74b739687cc536cc060f896d00", "patch_ids": [], "statement_hash": "5f6656cdb6200f22559287bb3fe0d545914718d04b37c646b071826fac0a3657", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-4d31a445607b3b1f", "migration": false}, {"id": "9.0.0-8f656f47eaa60038", "cves": [], "html": "

\u5141\u8bb8\u4f7f\u7528 ALTER TABLE \u8bbe\u7f6e\u4e0d\u540c\u503c\u6570\u91cf\u7edf\u8ba1\u4fe1\u606f\uff08Robert Haas\uff09

\n

\u8fd9\u5141\u8bb8\u7528\u6237\u8986\u76d6\u67d0\u5217\u4e0d\u540c\u503c\u7684\u4f30\u8ba1\u6570\u91cf\u6216\u767e\u5206\u6bd4\u3002\u6b64\u7edf\u8ba1\u4fe1\u606f\u901a\u5e38\u7531 ANALYZE \u8ba1\u7b97\uff0c\u4f46\u4f30\u8ba1\u53ef\u80fd\u4e0d\u4f73\uff0c\u5c24\u5176\u662f\u5728\u884c\u6570\u975e\u5e38\u591a\u7684\u8868\u4e0a\u3002

", "text": "\u5141\u8bb8\u4f7f\u7528 ALTER TABLE \u8bbe\u7f6e\u4e0d\u540c\u503c\u6570\u91cf\u7edf\u8ba1\u4fe1\u606f\uff08Robert Haas\uff09 \u8fd9\u5141\u8bb8\u7528\u6237\u8986\u76d6\u67d0\u5217\u4e0d\u540c\u503c\u7684\u4f30\u8ba1\u6570\u91cf\u6216\u767e\u5206\u6bd4\u3002\u6b64\u7edf\u8ba1\u4fe1\u606f\u901a\u5e38\u7531 ANALYZE \u8ba1\u7b97\uff0c\u4f46\u4f30\u8ba1\u53ef\u80fd\u4e0d\u4f73\uff0c\u5c24\u5176\u662f\u5728\u884c\u6570\u975e\u5e38\u591a\u7684\u8868\u4e0a\u3002", "title": "\u5141\u8bb8\u4f7f\u7528 ALTER TABLE \u8bbe\u7f6e\u4e0d\u540c\u503c\u6570\u91cf\u7edf\u8ba1\u4fe1\u606f", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668\u7edf\u8ba1", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.6", "source_hash": "9a3a558102d3d37f0595741353bfa597e2e8c349666dee6dcd3d6cc3e361a4f9", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668\u7edf\u8ba1"], "commit_groups": [], "identity_text": "Allow setting of number-of-distinct-values statistics using ALTER TABLE (Robert Haas) This allows users to override the estimated number or percentage of distinct values for a column. This statistic is normally computed by ANALYZE, but the estimate can be poor, especially on tables with very large numbers of rows.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/017", "db_id": "6d35f40240ce24964920a6006a7336f8", "patch_ids": [], "statement_hash": "35523ee9c7f7979983060801e317764717353a4ef958b593cc7a08604c898ee8", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-8f656f47eaa60038", "migration": false}, {"id": "9.0.0-6bf7cfc4e85f44f9", "cves": [], "html": "

\u65b0\u589e\u5bf9 RADIUS\uff08\u8fdc\u7a0b\u8ba4\u8bc1\u62e8\u5165\u7528\u6237\u670d\u52a1\uff09\u8ba4\u8bc1\u7684\u652f\u6301\uff08Magnus Hagander\uff09

", "text": "\u65b0\u589e\u5bf9 RADIUS\uff08\u8fdc\u7a0b\u8ba4\u8bc1\u62e8\u5165\u7528\u6237\u670d\u52a1\uff09\u8ba4\u8bc1\u7684\u652f\u6301\uff08Magnus Hagander\uff09", "title": "\u65b0\u589e\u5bf9 RADIUS\uff08\u8fdc\u7a0b\u8ba4\u8bc1\u62e8\u5165\u7528\u6237\u670d\u52a1\uff09\u8ba4\u8bc1\u7684\u652f\u6301", "commits": [], "section": "\u670d\u52a1\u5668 / \u8ba4\u8bc1", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.7", "source_hash": "c78c433a385e6dbeee16b8aa026d50214f752c14d9ce7b78b79d043eb47b613e", "section_path": ["\u670d\u52a1\u5668", "\u8ba4\u8bc1"], "commit_groups": [], "identity_text": "Add support for RADIUS (Remote Authentication Dial In User Service) authentication (Magnus Hagander)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/018", "db_id": "252495cf3674cda4ade431ca68b74253", "patch_ids": [], "statement_hash": "799d6f7d241b5db65ca06e6cbccd8c792642fad533675539b6e2bed3372ada3a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-6bf7cfc4e85f44f9", "migration": false}, {"id": "9.0.0-41bba7887db80c7e", "cves": [], "html": "

\u5141\u8bb8 LDAP\uff08\u8f7b\u91cf\u76ee\u5f55\u8bbf\u95ee\u534f\u8bae\uff09\u8ba4\u8bc1\u4ee5\u201c\u641c\u7d22/\u7ed1\u5b9a\u201d\u6a21\u5f0f\u8fd0\u884c\uff08Robert Fleming\u3001Magnus Hagander\uff09

\n

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", "text": "\u5141\u8bb8 LDAP\uff08\u8f7b\u91cf\u76ee\u5f55\u8bbf\u95ee\u534f\u8bae\uff09\u8ba4\u8bc1\u4ee5\u201c\u641c\u7d22/\u7ed1\u5b9a\u201d\u6a21\u5f0f\u8fd0\u884c\uff08Robert Fleming\u3001Magnus Hagander\uff09 \u8fd9\u5141\u8bb8\u5148\u67e5\u627e\u7528\u6237\uff0c\u7136\u540e\u7cfb\u7edf\u4f7f\u7528\u4e3a\u8be5\u7528\u6237\u8fd4\u56de\u7684 DN\uff08\u53ef\u5206\u8fa8\u540d\u79f0\uff09\u3002", "title": "\u5141\u8bb8 LDAP\uff08\u8f7b\u91cf\u76ee\u5f55\u8bbf\u95ee\u534f\u8bae\uff09\u8ba4\u8bc1\u4ee5\u201c\u641c\u7d22/\u7ed1\u5b9a\u201d\u6a21\u5f0f\u8fd0\u884c", "commits": [], "section": "\u670d\u52a1\u5668 / \u8ba4\u8bc1", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.7", "source_hash": "fc92292c3ba3e43a1ffb96f22bbcb7bba62ffabba52ddff777680b1d03a73321", "section_path": ["\u670d\u52a1\u5668", "\u8ba4\u8bc1"], "commit_groups": [], "identity_text": "Allow LDAP (Lightweight Directory Access Protocol) authentication to operate in search/bind mode (Robert Fleming, Magnus Hagander) This allows the user to be looked up first, then the system uses the DN (Distinguished Name) returned for that user.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/019", "db_id": "05fbca9ab895db9c04e8d4275286f942", "patch_ids": [], "statement_hash": "8493c02b247e80b07bc198b72bc46db7c813bc9aa6e0da701ac4918622fb6583", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-41bba7887db80c7e", "migration": false}, {"id": "9.0.0-90499da79aa8b3b4", "cves": [], "html": "

\u4e3a pg_hba.conf \u65b0\u589e samehost \u548c samenet \u6307\u5b9a\uff08Stef Walter\uff09

\n

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", "text": "\u4e3a pg_hba.conf \u65b0\u589e samehost \u548c samenet \u6307\u5b9a\uff08Stef Walter\uff09 \u5b83\u4eec\u5206\u522b\u5339\u914d\u670d\u52a1\u5668\u7684 IP \u5730\u5740\u548c\u5b50\u7f51\u5730\u5740\u3002", "title": "\u4e3a pg_hba.conf \u65b0\u589e samehost \u548c samenet \u6307\u5b9a", "commits": [], "section": "\u670d\u52a1\u5668 / \u8ba4\u8bc1", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.7", "source_hash": "ac0dd04c4aaeadbb0cd9acaae1b7c21079109bf9c1ff049f62d4d23728df2ac8", "section_path": ["\u670d\u52a1\u5668", "\u8ba4\u8bc1"], "commit_groups": [], "identity_text": "Add samehost and samenet designations to pg_hba.conf (Stef Walter) These match the server's IP address and subnet address respectively.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/020", "db_id": "ea50e738bd48021691485f0f3c802c60", "patch_ids": [], "statement_hash": "243fd85afae0eb33b78bdda4cea96c54a2b11206f2742176ca3d2c4b06ff367f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-90499da79aa8b3b4", "migration": false}, {"id": "9.0.0-390662b2136e6fc5", "cves": [], "html": "

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\n

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\u4e3a log_line_prefix \u65b0\u589e SQLSTATE \u9009\u9879\uff08%e\uff09\uff08Guillaume Smet\uff09

\n

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", "text": "\u4e3a log_line_prefix \u65b0\u589e SQLSTATE \u9009\u9879\uff08%e\uff09\uff08Guillaume Smet\uff09 \u8fd9\u5141\u8bb8\u7528\u6237\u6309\u9519\u8bef\u7801\u7f16\u53f7\u6c47\u603b\u9519\u8bef\u548c\u6d88\u606f\u7684\u7edf\u8ba1\u4fe1\u606f\u3002", "title": "\u4e3a log_line_prefix \u65b0\u589e SQLSTATE \u9009\u9879\uff08%e\uff09", "commits": [], "section": "\u670d\u52a1\u5668 / \u76d1\u63a7", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.8", "source_hash": "3a43c94a47e6cd7569b7ee0ef502b130901ceda09687658d024e785a7c520dc4", "section_path": ["\u670d\u52a1\u5668", "\u76d1\u63a7"], "commit_groups": [], "identity_text": "Add a SQLSTATE option (%e) to log_line_prefix (Guillaume Smet) This allows users to compile statistics on errors and messages by error code number.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/023", "db_id": "9f13cd21f2da3a262546fed86fc3e56b", "patch_ids": [], "statement_hash": "90045f449baeedd4e903af554505082b4183a4fcc2e2d72a402a8d2d982e3bd0", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-237b6e40979db563", "migration": false}, {"id": "9.0.0-6031bd5d1867abfb", "cves": [], "html": "

\u4ee5 UTF16 \u7f16\u7801\u5199\u5165 Windows \u4e8b\u4ef6\u65e5\u5fd7\uff08Itagaki Takahiro\uff09

\n

\u73b0\u5728 Windows \u4e0a\u7684 PostgreSQL \u65e5\u5fd7\u6d88\u606f\u6709\u4e86\u771f\u6b63\u7684\u591a\u8bed\u8a00\u652f\u6301\u3002

", "text": "\u4ee5 UTF16 \u7f16\u7801\u5199\u5165 Windows \u4e8b\u4ef6\u65e5\u5fd7\uff08Itagaki Takahiro\uff09 \u73b0\u5728 Windows \u4e0a\u7684 PostgreSQL \u65e5\u5fd7\u6d88\u606f\u6709\u4e86\u771f\u6b63\u7684\u591a\u8bed\u8a00\u652f\u6301\u3002", "title": "\u4ee5 UTF16 \u7f16\u7801\u5199\u5165 Windows \u4e8b\u4ef6\u65e5\u5fd7", "commits": [], "section": "\u670d\u52a1\u5668 / \u76d1\u63a7", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.8", "source_hash": "2261c57d25c9bbce358f4d138e3d21d36cb1c22e80960c3426c25bcee1d6acdd", "section_path": ["\u670d\u52a1\u5668", "\u76d1\u63a7"], "commit_groups": [], "identity_text": "Write to the Windows event log in UTF16 encoding (Itagaki Takahiro) Now there is true multilingual support for PostgreSQL log messages on Windows.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/024", "db_id": "05ae318a8ee211d41549514a0a4e156f", "patch_ids": [], "statement_hash": "bb1f0ac86af67a8e723e15b5d4955bcc34e708f74f720037da6c4c3ec13640a5", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-6031bd5d1867abfb", "migration": false}, {"id": "9.0.0-0c6f2dbf9f19e74a", "cves": [], "html": "

\u65b0\u589e pg_stat_reset_shared('bgwriter')\uff0c\u7528\u4e8e\u91cd\u7f6e\u540e\u53f0\u5199\u5165\u8fdb\u7a0b\u7684\u96c6\u7c07\u7ea7\u5171\u4eab\u7edf\u8ba1\u4fe1\u606f\uff08Greg Smith\uff09

", "text": "\u65b0\u589e pg_stat_reset_shared('bgwriter')\uff0c\u7528\u4e8e\u91cd\u7f6e\u540e\u53f0\u5199\u5165\u8fdb\u7a0b\u7684\u96c6\u7c07\u7ea7\u5171\u4eab\u7edf\u8ba1\u4fe1\u606f\uff08Greg Smith\uff09", "title": "\u65b0\u589e pg_stat_reset_shared('bgwriter')\uff0c\u7528\u4e8e\u91cd\u7f6e\u540e\u53f0\u5199\u5165\u8fdb\u7a0b\u7684\u96c6\u7c07\u7ea7\u5171\u4eab\u7edf\u8ba1\u4fe1\u606f", "commits": [], "section": "\u670d\u52a1\u5668 / \u7edf\u8ba1\u8ba1\u6570\u5668", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.9", "source_hash": "88faf7ca142b32dd0d608a28bcb6a0c4333ac758af46386f7f27d581493bd454", "section_path": ["\u670d\u52a1\u5668", "\u7edf\u8ba1\u8ba1\u6570\u5668"], "commit_groups": [], "identity_text": "Add pg_stat_reset_shared('bgwriter') to reset the cluster-wide shared statistics for the background writer (Greg Smith)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/025", "db_id": "38a7e84a6e12d2a6c2109325919203ee", "patch_ids": [], "statement_hash": "93314f8c36dc17f141445c7b84d2448622bc0d4cc710acb5b5ebc89aeb066a1e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-0c6f2dbf9f19e74a", "migration": false}, {"id": "9.0.0-8fae461147c325c6", "cves": [], "html": "

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", "text": "\u65b0\u589e pg_stat_reset_single_table_counters() \u548c pg_stat_reset_single_function_counters()\uff0c\u5141\u8bb8\u91cd\u7f6e\u5355\u4e2a\u8868\u548c\u51fd\u6570\u7684\u7edf\u8ba1\u8ba1\u6570\u5668\uff08Magnus Hagander\uff09", "title": "\u65b0\u589e pg_stat_reset_single_table_counters() \u548c pg_stat_reset_single_function_counters()\uff0c\u5141\u8bb8\u91cd\u7f6e\u5355\u4e2a\u8868\u548c\u51fd\u6570\u7684\u7edf\u8ba1\u8ba1\u6570\u5668", "commits": [], "section": "\u670d\u52a1\u5668 / \u7edf\u8ba1\u8ba1\u6570\u5668", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.9", "source_hash": "7e380f973d838ed52ad8bd0531ca2c71d017fe724b9122ad74528ead43c38564", "section_path": ["\u670d\u52a1\u5668", "\u7edf\u8ba1\u8ba1\u6570\u5668"], "commit_groups": [], "identity_text": "Add pg_stat_reset_single_table_counters() and pg_stat_reset_single_function_counters() to allow resetting the statistics counters for individual tables and functions (Magnus Hagander)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/026", "db_id": "9c22d9ffbd11c0ee7d55243788e65fca", "patch_ids": [], "statement_hash": "2a125b8f76cc3b4991988cc5731ef09263426c512797b90162ee9cf114189e21", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-8fae461147c325c6", "migration": false}, {"id": "9.0.0-341ae6aeca81a786", "cves": [], "html": "

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\n

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", "text": "\u5141\u8bb8\u57fa\u4e8e\u6570\u636e\u5e93/\u89d2\u8272\u7ec4\u5408\u8bbe\u7f6e\u914d\u7f6e\u53c2\u6570\uff08Alvaro Herrera\uff09 \u6b64\u524d\u53ea\u80fd\u6309\u6570\u636e\u5e93\u548c\u6309\u89d2\u8272\u8bbe\u7f6e\uff0c\u4e0d\u80fd\u7ec4\u5408\u3002\u6240\u6709\u89d2\u8272\u548c\u6570\u636e\u5e93\u8bbe\u7f6e\u73b0\u5728\u5b58\u50a8\u5728\u65b0\u7684 pg_db_role_setting \u7cfb\u7edf\u76ee\u5f55\u4e2d\u3002\u65b0\u7684 psql \u547d\u4ee4 \\drds \u663e\u793a\u8fd9\u4e9b\u8bbe\u7f6e\u3002\u4f20\u7edf\u7cfb\u7edf\u89c6\u56fe pg_roles\u3001pg_shadow \u548c pg_user \u4e0d\u663e\u793a\u7ec4\u5408\u8bbe\u7f6e\uff0c\u56e0\u6b64\u4e0d\u518d\u5b8c\u5168\u8868\u793a\u7528\u6237\u6216\u6570\u636e\u5e93\u7684\u914d\u7f6e\u3002", "title": "\u5141\u8bb8\u57fa\u4e8e\u6570\u636e\u5e93/\u89d2\u8272\u7ec4\u5408\u8bbe\u7f6e\u914d\u7f6e\u53c2\u6570", "commits": [], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u8bbe\u7f6e", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.10", "source_hash": "d4ec0781644ec1c7914dde3cea7a6d84ea99c9bf8e5bfec783869a33ac383c64", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u8bbe\u7f6e"], "commit_groups": [], "identity_text": "Allow setting of configuration parameters based on database/role combinations (Alvaro Herrera) Previously only per-database and per-role settings were possible, not combinations. All role and database settings are now stored in the new pg_db_role_setting system catalog. A new psql command \\drds shows these settings. The legacy system views pg_roles, pg_shadow, and pg_user do not show combination settings, and therefore no longer completely represent the configuration for a user or database.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/027", "db_id": "5fd0b5135641d86048cb8ae8eee9b200", "patch_ids": [], "statement_hash": "7f02f0f75ad09d86cc5bf34b925e918ec2534cc4692110abacbb874657e85f0b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-341ae6aeca81a786", "migration": false}, {"id": "9.0.0-71c301968409ea21", "cves": [], "html": "

\u65b0\u589e\u670d\u52a1\u5668\u53c2\u6570 bonjour\uff0c\u63a7\u5236\u542f\u7528 Bonjour \u7684\u670d\u52a1\u5668\u662f\u5426\u901a\u8fc7 Bonjour \u5ba3\u544a\u81ea\u8eab\uff08Tom Lane\uff09

\n

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", "text": "\u65b0\u589e\u670d\u52a1\u5668\u53c2\u6570 bonjour\uff0c\u63a7\u5236\u542f\u7528 Bonjour \u7684\u670d\u52a1\u5668\u662f\u5426\u901a\u8fc7 Bonjour \u5ba3\u544a\u81ea\u8eab\uff08Tom Lane\uff09 \u9ed8\u8ba4\u4e3a\u5173\u95ed\uff0c\u5373\u4e0d\u5ba3\u544a\u3002\u8fd9\u4f7f\u6253\u5305\u8005\u53ef\u4ee5\u5206\u53d1\u542f\u7528 Bonjour \u7684\u6784\u5efa\uff0c\u800c\u4e0d\u5fc5\u62c5\u5fc3\u4e2a\u522b\u7528\u6237\u4e0d\u60f3\u8981\u6b64\u7279\u6027\u3002", "title": "\u65b0\u589e\u670d\u52a1\u5668\u53c2\u6570 bonjour\uff0c\u63a7\u5236\u542f\u7528 Bonjour \u7684\u670d\u52a1\u5668\u662f\u5426\u901a\u8fc7 Bonjour \u5ba3\u544a\u81ea\u8eab", "commits": [], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u8bbe\u7f6e", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.10", "source_hash": "2eda4f3c073aa0f862cdbfe3f569d159c1697f0fdcbf4b87fdb81aee6350314b", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u8bbe\u7f6e"], "commit_groups": [], "identity_text": "Add server parameter bonjour, which controls whether a Bonjour-enabled server advertises itself via Bonjour (Tom Lane) The default is off, meaning it does not advertise. This allows packagers to distribute Bonjour-enabled builds without worrying that individual users might not want the feature.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/028", "db_id": "63e813662c1fa2971652cddd532886f8", "patch_ids": [], "statement_hash": "183f69ae8df28706ed669d5835a639012d50ba19f6b963141f8b9a59854cc407", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-71c301968409ea21", "migration": false}, {"id": "9.0.0-17aac9b997b955b9", "cves": [], "html": "

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\n

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\n

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", "text": "\u66f4\u6539\u670d\u52a1\u5668\u53c2\u6570 log_temp_files\uff0c\u4f7f\u5176\u9ed8\u8ba4\u6587\u4ef6\u5927\u5c0f\u5355\u4f4d\u4e3a\u5343\u5b57\u8282\uff08Robert Haas\uff09 \u6b64\u524d\u5982\u679c\u672a\u6307\u5b9a\u5355\u4f4d\uff0c\u6b64\u8bbe\u7f6e\u6309\u5b57\u8282\u89e3\u91ca\u3002", "title": "\u66f4\u6539\u670d\u52a1\u5668\u53c2\u6570 log_temp_files\uff0c\u4f7f\u5176\u9ed8\u8ba4\u6587\u4ef6\u5927\u5c0f\u5355\u4f4d\u4e3a\u5343\u5b57\u8282", "commits": [], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u8bbe\u7f6e", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.10", "source_hash": "6505de213864818652de5a14b0773384043c9d0b89ab9ce9132c4f63f980632b", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u8bbe\u7f6e"], "commit_groups": [], "identity_text": "Change server parameter log_temp_files to use default file size units of kilobytes (Robert Haas) Previously this setting was interpreted in bytes if no units were specified.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/030", "db_id": "ac0cf417b0862e87d3099ed52aa57b91", "patch_ids": [], "statement_hash": "96d0ec1cfbb5865d77a24e6c4d208928dcd78cf884096b63bbdcbc1f2647375f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-fc114eec71ffc8bc", "migration": false}, {"id": "9.0.0-46591e5f8b42681d", "cves": [], "html": "

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\n

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", "text": "\u5728\u91cd\u65b0\u52a0\u8f7d postgresql.conf \u65f6\u8bb0\u5f55\u53c2\u6570\u503c\u7684\u53d8\u66f4\uff08Peter Eisentraut\uff09 \u8fd9\u4f7f\u7ba1\u7406\u5458\u548c\u5b89\u5168\u4eba\u5458\u53ef\u4ee5\u5ba1\u8ba1\u6570\u636e\u5e93\u8bbe\u7f6e\u7684\u53d8\u66f4\uff0c\u800c\u4e14\u5bf9\u68c0\u67e5 postgresql.conf \u7f16\u8f91\u7684\u6548\u679c\u4e5f\u975e\u5e38\u65b9\u4fbf\u3002", "title": "\u5728\u91cd\u65b0\u52a0\u8f7d postgresql.conf \u65f6\u8bb0\u5f55\u53c2\u6570\u503c\u7684\u53d8\u66f4", "commits": [], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u8bbe\u7f6e", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.10", "source_hash": "8733cfce90538253670cc39a5713bcc6c916aec13ddd9f781a653cb3501ae4eb", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u8bbe\u7f6e"], "commit_groups": [], "identity_text": "Log changes of parameter values when postgresql.conf is reloaded (Peter Eisentraut) This lets administrators and security staff audit changes of database settings, and is also very convenient for checking the effects of postgresql.conf edits.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/031", "db_id": "6e63c1fa841e0041bb4394d3648826b2", "patch_ids": [], "statement_hash": "11395735da89be7ac33d1efc359f72f06d7718cdd361061b369b3d381f280aae", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-46591e5f8b42681d", "migration": false}, {"id": "9.0.0-a237a2f12d1209c2", "cves": [], "html": "

\u5bf9\u81ea\u5b9a\u4e49\u670d\u52a1\u5668\u53c2\u6570\u6b63\u786e\u5f3a\u5236\u8d85\u7ea7\u7528\u6237\u6743\u9650\uff08Tom Lane\uff09

\n

\u975e\u8d85\u7ea7\u7528\u6237\u4e0d\u518d\u80fd\u5bf9\u670d\u52a1\u5668\u5f53\u524d\u672a\u77e5\u7684\u53c2\u6570\u53d1\u51fa ALTER ROLE/DATABASE SET\u3002\u8fd9\u4f7f\u670d\u52a1\u5668\u80fd\u591f\u6b63\u786e\u68c0\u67e5\u4ec5\u8d85\u7ea7\u7528\u6237\u53c2\u6570\u53ea\u7531\u8d85\u7ea7\u7528\u6237\u8bbe\u7f6e\u3002\u6b64\u524d\uff0cSET \u4f1a\u88ab\u5141\u8bb8\uff0c\u7136\u540e\u5728\u4f1a\u8bdd\u542f\u52a8\u65f6\u88ab\u5ffd\u7565\uff0c\u4f7f\u4ec5\u8d85\u7ea7\u7528\u6237\u81ea\u5b9a\u4e49\u53c2\u6570\u8fdc\u4e0d\u5982\u5e94\u6709\u7684\u6709\u7528\u3002

", "text": "\u5bf9\u81ea\u5b9a\u4e49\u670d\u52a1\u5668\u53c2\u6570\u6b63\u786e\u5f3a\u5236\u8d85\u7ea7\u7528\u6237\u6743\u9650\uff08Tom Lane\uff09 \u975e\u8d85\u7ea7\u7528\u6237\u4e0d\u518d\u80fd\u5bf9\u670d\u52a1\u5668\u5f53\u524d\u672a\u77e5\u7684\u53c2\u6570\u53d1\u51fa ALTER ROLE/DATABASE SET\u3002\u8fd9\u4f7f\u670d\u52a1\u5668\u80fd\u591f\u6b63\u786e\u68c0\u67e5\u4ec5\u8d85\u7ea7\u7528\u6237\u53c2\u6570\u53ea\u7531\u8d85\u7ea7\u7528\u6237\u8bbe\u7f6e\u3002\u6b64\u524d\uff0cSET \u4f1a\u88ab\u5141\u8bb8\uff0c\u7136\u540e\u5728\u4f1a\u8bdd\u542f\u52a8\u65f6\u88ab\u5ffd\u7565\uff0c\u4f7f\u4ec5\u8d85\u7ea7\u7528\u6237\u81ea\u5b9a\u4e49\u53c2\u6570\u8fdc\u4e0d\u5982\u5e94\u6709\u7684\u6709\u7528\u3002", "title": "\u5bf9\u81ea\u5b9a\u4e49\u670d\u52a1\u5668\u53c2\u6570\u6b63\u786e\u5f3a\u5236\u8d85\u7ea7\u7528\u6237\u6743\u9650", "commits": [], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u8bbe\u7f6e", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.3.10", "source_hash": "0ca35040cb6582511f9a1b9452182f02114e6c7642cf3a5c3deaaa265f5d0d29", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u8bbe\u7f6e"], "commit_groups": [], "identity_text": "Properly enforce superuser permissions for custom server parameters (Tom Lane) Non-superusers can no longer issue ALTER ROLE/DATABASE SET for parameters that are not currently known to the server. This allows the server to correctly check that superuser-only parameters are only set by superusers. Previously, the SET would be allowed and then ignored at session start, making superuser-only custom parameters much less useful than they should be.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/032", "db_id": "f4b59b256d78ed2be1264e67285f115f", "patch_ids": [], "statement_hash": "93a127d04295709dc42d9edfb8f90bc0056cdab2df971f0c9a199bab051f0ec4", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-a237a2f12d1209c2", "migration": false}, {"id": "9.0.0-be822ca9d04114d8", "cves": [], "html": "

\u5728\u5e94\u7528 LIMIT \u4e4b\u540e\u6267\u884c SELECT FOR UPDATE/SHARE \u5904\u7406\uff0c\u4f7f\u8fd4\u56de\u7684\u884c\u6570\u603b\u662f\u53ef\u9884\u6d4b\uff08Tom Lane\uff09

\n

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", "text": "\u5728\u5e94\u7528 LIMIT \u4e4b\u540e\u6267\u884c SELECT FOR UPDATE/SHARE \u5904\u7406\uff0c\u4f7f\u8fd4\u56de\u7684\u884c\u6570\u603b\u662f\u53ef\u9884\u6d4b\uff08Tom Lane\uff09 \u6b64\u524d\uff0c\u5e76\u53d1\u4e8b\u52a1\u6240\u505a\u7684\u66f4\u6539\u53ef\u80fd\u5bfc\u81f4 SELECT FOR UPDATE \u610f\u5916\u8fd4\u56de\u5c11\u4e8e LIMIT \u6307\u5b9a\u7684\u884c\u6570\u3002FOR UPDATE \u4e0e ORDER BY \u7ec4\u5408\u4ecd\u53ef\u80fd\u4ea7\u751f\u4ee4\u4eba\u60ca\u8bb6\u7684\u7ed3\u679c\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u628a FOR UPDATE \u653e\u5728\u5b50\u67e5\u8be2\u4e2d\u6765\u7ea0\u6b63\u3002", "title": "\u5728\u5e94\u7528 LIMIT \u4e4b\u540e\u6267\u884c SELECT FOR UPDATE/SHARE \u5904\u7406\uff0c\u4f7f\u8fd4\u56de\u7684\u884c\u6570\u603b\u662f\u53ef\u9884\u6d4b", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.4", "source_hash": "1c38059aaf8850cf19dd79fb85aea787537e03ca016c28cfe4d44ed2574707cb", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Perform SELECT FOR UPDATE/SHARE processing after applying LIMIT, so the number of rows returned is always predictable (Tom Lane) Previously, changes made by concurrent transactions could cause a SELECT FOR UPDATE to unexpectedly return fewer rows than specified by its LIMIT. FOR UPDATE in combination with ORDER BY can still produce surprising results, but that can be corrected by placing FOR UPDATE in a subquery.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/033", "db_id": "8c1672f74e848c716eeca1b9e0715f7e", "patch_ids": [], "statement_hash": "cf056fc0f0ebc74ee366d3fa0f7854cafe6b97bce1c98af829dee4c079bfcf8a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-be822ca9d04114d8", "migration": false}, {"id": "9.0.0-dfe82d08b3372f78", "cves": [], "html": "

\u5141\u8bb8\u6df7\u7528\u4f20\u7edf\u4e0e SQL \u6807\u51c6\u7684 LIMIT/OFFSET \u8bed\u6cd5\uff08Tom Lane\uff09

", "text": "\u5141\u8bb8\u6df7\u7528\u4f20\u7edf\u4e0e SQL \u6807\u51c6\u7684 LIMIT/OFFSET \u8bed\u6cd5\uff08Tom Lane\uff09", "title": "\u5141\u8bb8\u6df7\u7528\u4f20\u7edf\u4e0e SQL \u6807\u51c6\u7684 LIMIT/OFFSET \u8bed\u6cd5", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.4", "source_hash": "535a363065f5c4dd1b1292fbe9dca2666c5de7e148e9cacc6c84879faf8bf56a", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Allow mixing of traditional and SQL-standard LIMIT/OFFSET syntax (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/034", "db_id": "6bb3ae2d0e1828a9fa805510793ee828", "patch_ids": [], "statement_hash": "e459c289f27d005d88d8f32172c4ff52bb35b3c5f927348d6e4a495da68869c9", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-dfe82d08b3372f78", "migration": false}, {"id": "9.0.0-4aca21cad118abfc", "cves": [], "html": "

\u6269\u5c55\u7a97\u53e3\u51fd\u6570\u652f\u6301\u7684\u5e27\u9009\u9879\uff08Hitoshi Harada\uff09

\n

\u5e27\u73b0\u5728\u53ef\u4ee5\u4ee5 CURRENT ROW \u5f00\u59cb\uff0c\u5e76\u4e14\u652f\u6301 ROWS n PRECEDING/FOLLOWING \u9009\u9879\u3002

", "text": "\u6269\u5c55\u7a97\u53e3\u51fd\u6570\u652f\u6301\u7684\u5e27\u9009\u9879\uff08Hitoshi Harada\uff09 \u5e27\u73b0\u5728\u53ef\u4ee5\u4ee5 CURRENT ROW \u5f00\u59cb\uff0c\u5e76\u4e14\u652f\u6301 ROWS n PRECEDING/FOLLOWING \u9009\u9879\u3002", "title": "\u6269\u5c55\u7a97\u53e3\u51fd\u6570\u652f\u6301\u7684\u5e27\u9009\u9879", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.4", "source_hash": "a99257f81c862cae5c036de2607cf3b5bd9981395248e09c6b76b4aa3edf54fc", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Extend the supported frame options in window functions (Hitoshi Harada) Frames can now start with CURRENT ROW, and the ROWS n PRECEDING/FOLLOWING options are now supported.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/035", "db_id": "0d4b91d4e83fde6ad6d681125119ca11", "patch_ids": [], "statement_hash": "859d4b6d1b00ccbfe977fecb220448a6fb902cd887d4b14b90edc971f5b8d762", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-4aca21cad118abfc", "migration": false}, {"id": "9.0.0-150bb0b1b47d2b55", "cves": [], "html": "

\u8ba9 SELECT INTO \u548c CREATE TABLE AS \u5728\u5176\u547d\u4ee4\u6807\u7b7e\u4e2d\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u884c\u6570\uff08Boszormenyi Zoltan\uff09

\n

\u8fd9\u53ef\u4ee5\u7701\u53bb\u4e00\u6574\u6b21\u5230\u5ba2\u6237\u7aef\u7684\u5f80\u8fd4\uff0c\u5141\u8bb8\u5728\u4e0d\u9700\u8981\u989d\u5916 COUNT \u67e5\u8be2\u7684\u60c5\u51b5\u4e0b\u8ba1\u7b97\u7ed3\u679c\u6570\u548c\u5206\u9875\u3002

", "text": "\u8ba9 SELECT INTO \u548c CREATE TABLE AS \u5728\u5176\u547d\u4ee4\u6807\u7b7e\u4e2d\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u884c\u6570\uff08Boszormenyi Zoltan\uff09 \u8fd9\u53ef\u4ee5\u7701\u53bb\u4e00\u6574\u6b21\u5230\u5ba2\u6237\u7aef\u7684\u5f80\u8fd4\uff0c\u5141\u8bb8\u5728\u4e0d\u9700\u8981\u989d\u5916 COUNT \u67e5\u8be2\u7684\u60c5\u51b5\u4e0b\u8ba1\u7b97\u7ed3\u679c\u6570\u548c\u5206\u9875\u3002", "title": "\u8ba9 SELECT INTO \u548c CREATE TABLE AS \u5728\u5176\u547d\u4ee4\u6807\u7b7e\u4e2d\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u884c\u6570", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.4", "source_hash": "418c8109887e052e770e9dd7b5c7e0636953a00367e65fe66fb5270e9baae5bd", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Make SELECT INTO and CREATE TABLE AS return row counts to the client in their command tags (Boszormenyi Zoltan) This can save an entire round-trip to the client, allowing result counts and pagination to be calculated without an additional COUNT query.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/036", "db_id": "1c4be4c55fa2909c241cd9e210762976", "patch_ids": [], "statement_hash": "d466f9bf558b2739404ab29cbe7cca9f271bdacc9b9bf43add6d456966c419e2", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-150bb0b1b47d2b55", "migration": false}, {"id": "9.0.0-b98f30da2d3acff3", "cves": [], "html": "

\u5728 U& \u5b57\u7b26\u4e32\u548c\u6807\u8bc6\u7b26\u4e2d\u652f\u6301 Unicode \u4ee3\u7406\u5bf9\uff08\u53cc 16 \u4f4d\u8868\u793a\uff09\uff08Peter Eisentraut\uff09

", "text": "\u5728 U& \u5b57\u7b26\u4e32\u548c\u6807\u8bc6\u7b26\u4e2d\u652f\u6301 Unicode \u4ee3\u7406\u5bf9\uff08\u53cc 16 \u4f4d\u8868\u793a\uff09\uff08Peter Eisentraut\uff09", "title": "\u5728 U& \u5b57\u7b26\u4e32\u548c\u6807\u8bc6\u7b26\u4e2d\u652f\u6301 Unicode \u4ee3\u7406\u5bf9\uff08\u53cc 16 \u4f4d\u8868\u793a\uff09", "commits": [], "section": "\u67e5\u8be2 / Unicode \u5b57\u7b26\u4e32", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.4.3", "source_hash": "1788f158849cd9dafbc584816febb31411c64cc5d3ea1f44f66f4fa6b7893517", "section_path": ["\u67e5\u8be2", "Unicode \u5b57\u7b26\u4e32"], "commit_groups": [], "identity_text": "Support Unicode surrogate pairs (dual 16-bit representation) in U& strings and identifiers (Peter Eisentraut)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/037", "db_id": "70231e7112bbc171b5c51c912d480233", "patch_ids": [], "statement_hash": "02d921f474a1c4eca5014f71bf53392fe23596962745abe57533a8e6df980779", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-b98f30da2d3acff3", "migration": false}, {"id": "9.0.0-5d15f7ccb88a857e", "cves": [], "html": "

\u5728 E'...' \u5b57\u7b26\u4e32\u4e2d\u652f\u6301 Unicode \u8f6c\u4e49\uff08Marko Kreen\uff09

", "text": "\u5728 E'...' \u5b57\u7b26\u4e32\u4e2d\u652f\u6301 Unicode \u8f6c\u4e49\uff08Marko Kreen\uff09", "title": "\u5728 E'...' \u5b57\u7b26\u4e32\u4e2d\u652f\u6301 Unicode \u8f6c\u4e49", "commits": [], "section": "\u67e5\u8be2 / Unicode \u5b57\u7b26\u4e32", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.4.3", "source_hash": "4d7b405fae5d7dcaceeed900a64fb7a0434e65a05230ae2e098b9e1634bb4843", "section_path": ["\u67e5\u8be2", "Unicode \u5b57\u7b26\u4e32"], "commit_groups": [], "identity_text": "Support Unicode escapes in E'...' strings (Marko Kreen)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/038", "db_id": "6732d57acb5c81039ecacbc346d32483", "patch_ids": [], "statement_hash": "fbd809f8e6fcf85a095fcf19df0d3f230bab0f33787d914ae822d70fa812be4e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-5d15f7ccb88a857e", "migration": false}, {"id": "9.0.0-0d4bc3dcd65729f7", "cves": [], "html": "

\u901a\u8fc7\u63a8\u8fdf\u5237\u76d8\u52a0\u901f CREATE DATABASE\uff08Andres Freund\u3001Greg Stark\uff09

", "text": "\u901a\u8fc7\u63a8\u8fdf\u5237\u76d8\u52a0\u901f CREATE DATABASE\uff08Andres Freund\u3001Greg Stark\uff09", "title": "\u901a\u8fc7\u63a8\u8fdf\u5237\u76d8\u52a0\u901f CREATE DATABASE", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c", "category": "performance", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5", "source_hash": "73417122793a9434fda2898d07e01f4c4744d802dfaa792cb0cbe1c7a0a1df54", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c"], "commit_groups": [], "identity_text": "Speed up CREATE DATABASE by deferring flushes to disk (Andres Freund, Greg Stark)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/039", "db_id": "cf9ff9728392c3c0b5441274c0a2a63f", "patch_ids": [], "statement_hash": "069db9e2ed433f3e64933e4be0b77db23ebd67ca0dc9782baeecb8aca6471377", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=9.0.0#9.0.0-0d4bc3dcd65729f7", "migration": false}, {"id": "9.0.0-2e5651e99e50a281", "cves": [], "html": "

\u53ea\u5141\u8bb8\u5bf9\u8868\u3001\u89c6\u56fe\u548c\u7ec4\u5408\u7c7b\u578b\u7684\u5217\u52a0\u6ce8\u91ca\uff0c\u4e0d\u5141\u8bb8\u5bf9\u7d22\u5f15\u548c TOAST \u8868\u7b49\u5176\u4ed6\u5173\u7cfb\u7c7b\u578b\uff08Tom Lane\uff09

", "text": "\u53ea\u5141\u8bb8\u5bf9\u8868\u3001\u89c6\u56fe\u548c\u7ec4\u5408\u7c7b\u578b\u7684\u5217\u52a0\u6ce8\u91ca\uff0c\u4e0d\u5141\u8bb8\u5bf9\u7d22\u5f15\u548c TOAST \u8868\u7b49\u5176\u4ed6\u5173\u7cfb\u7c7b\u578b\uff08Tom Lane\uff09", "title": "\u53ea\u5141\u8bb8\u5bf9\u8868\u3001\u89c6\u56fe\u548c\u7ec4\u5408\u7c7b\u578b\u7684\u5217\u52a0\u6ce8\u91ca\uff0c\u4e0d\u5141\u8bb8\u5bf9\u7d22\u5f15\u548c TOAST \u8868\u7b49\u5176\u4ed6\u5173\u7cfb\u7c7b\u578b", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5", "source_hash": "4f656f3e7ab0d43c9408eae9f0df0b8e09a32938eb91d8298faeb1bb1c00c759", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c"], "commit_groups": [], "identity_text": "Allow comments on columns of tables, views, and composite types only, not other relation types such as indexes and TOAST tables (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/040", "db_id": "416a0d3b84151f736a9f5cb504f0dac0", "patch_ids": [], "statement_hash": "134389e19c67738431959894091093debbac6be4038e2be0e4f3c6b7c3b94221", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-2e5651e99e50a281", "migration": false}, {"id": "9.0.0-11219011a59cd467", "cves": [], "html": "

\u5141\u8bb8\u521b\u5efa\u4e0d\u542b\u4efb\u4f55\u503c\u7684\u679a\u4e3e\u7c7b\u578b\uff08Bruce Momjian\uff09

", "text": "\u5141\u8bb8\u521b\u5efa\u4e0d\u542b\u4efb\u4f55\u503c\u7684\u679a\u4e3e\u7c7b\u578b\uff08Bruce Momjian\uff09", "title": "\u5141\u8bb8\u521b\u5efa\u4e0d\u542b\u4efb\u4f55\u503c\u7684\u679a\u4e3e\u7c7b\u578b", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5", "source_hash": "5714e1b089d848e5758ee89715e45ae2d4755e06f7fd0f446295daad9399963a", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c"], "commit_groups": [], "identity_text": "Allow the creation of enumerated types containing no values (Bruce Momjian)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/041", "db_id": "97fe8cff2127cac1b853c645cf23788d", "patch_ids": [], "statement_hash": "31d3eec935dd3432f746f5863e33db3994cccbf98ed04c42367ff76ec53e4e9d", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-11219011a59cd467", "migration": false}, {"id": "9.0.0-abe988e9098c3f4c", "cves": [], "html": "

\u8ba9\u5b58\u50a8\u7c7b\u578b\u4e3a MAIN \u7684\u5217\u503c\u4fdd\u7559\u5728\u4e3b\u5806\u9875\u4e0a\uff0c\u9664\u975e\u884c\u653e\u4e0d\u8fdb\u4e00\u4e2a\u9875\u9762\uff08Kevin Grittner\uff09

\n

\u6b64\u524d MAIN \u503c\u4f1a\u88ab\u5f3a\u5236\u79fb\u51fa\u5230 TOAST \u8868\uff0c\u76f4\u5230\u884c\u5927\u5c0f\u5c0f\u4e8e\u9875\u9762\u5927\u5c0f\u7684\u56db\u5206\u4e4b\u4e00\u3002

", "text": "\u8ba9\u5b58\u50a8\u7c7b\u578b\u4e3a MAIN \u7684\u5217\u503c\u4fdd\u7559\u5728\u4e3b\u5806\u9875\u4e0a\uff0c\u9664\u975e\u884c\u653e\u4e0d\u8fdb\u4e00\u4e2a\u9875\u9762\uff08Kevin Grittner\uff09 \u6b64\u524d MAIN \u503c\u4f1a\u88ab\u5f3a\u5236\u79fb\u51fa\u5230 TOAST \u8868\uff0c\u76f4\u5230\u884c\u5927\u5c0f\u5c0f\u4e8e\u9875\u9762\u5927\u5c0f\u7684\u56db\u5206\u4e4b\u4e00\u3002", "title": "\u8ba9\u5b58\u50a8\u7c7b\u578b\u4e3a MAIN \u7684\u5217\u503c\u4fdd\u7559\u5728\u4e3b\u5806\u9875\u4e0a\uff0c\u9664\u975e\u884c\u653e\u4e0d\u8fdb\u4e00\u4e2a\u9875\u9762", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5", "source_hash": "c476b0cb4788c0cebb4004ee57effd1b272efac02fba32f4de91f17bf0bd5ddc", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c"], "commit_groups": [], "identity_text": "Let values of columns having storage type MAIN remain on the main heap page unless the row cannot fit on a page (Kevin Grittner) Previously MAIN values were forced out to TOAST tables until the row size was less than one-quarter of the page size.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/042", "db_id": "bce596242d3517f24f982e6841358f82", "patch_ids": [], "statement_hash": "177f02cd09187a2cf3dc5c58cf98797aeb20c38b9ff8159f50b8c1d9d4c1da84", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-abe988e9098c3f4c", "migration": false}, {"id": "9.0.0-ac98094a23ce17d9", "cves": [], "html": "

\u4e3a ALTER TABLE DROP COLUMN \u548c ALTER TABLE DROP CONSTRAINT \u5b9e\u73b0 IF EXISTS\uff08Andres Freund\uff09

", "text": "\u4e3a ALTER TABLE DROP COLUMN \u548c ALTER TABLE DROP CONSTRAINT \u5b9e\u73b0 IF EXISTS\uff08Andres Freund\uff09", "title": "\u4e3a ALTER TABLE DROP COLUMN \u548c ALTER TABLE DROP CONSTRAINT \u5b9e\u73b0 IF EXISTS", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / ALTER TABLE", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.3", "source_hash": "ccf8c76d96b59e8912b32a0575bb4469006b14612f4309b4315b7659cb0046c4", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "ALTER TABLE"], "commit_groups": [], "identity_text": "Implement IF EXISTS for ALTER TABLE DROP COLUMN and ALTER TABLE DROP CONSTRAINT (Andres Freund)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/043", "db_id": "418a23d25e770231a316dc57e45bf3fb", "patch_ids": [], "statement_hash": "184696652d8abf114e4eec5b00ede5117895bd899e24881f222f7d38bc21eb0f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-ac98094a23ce17d9", "migration": false}, {"id": "9.0.0-74d9ab9870b7a6b0", "cves": [], "html": "

\u5141\u8bb8\u91cd\u5199\u8868\u7684 ALTER TABLE \u547d\u4ee4\u8df3\u8fc7 WAL \u65e5\u5fd7\u8bb0\u5f55\uff08Itagaki Takahiro\uff09

\n

\u8fd9\u7c7b\u64cd\u4f5c\u8981\u4e48\u4ea7\u751f\u8868\u7684\u65b0\u526f\u672c\u8981\u4e48\u56de\u6eda\uff0c\u56e0\u6b64\u53ef\u4ee5\u8df3\u8fc7 WAL \u5f52\u6863\uff0c\u9664\u975e\u8fd0\u884c\u5728\u8fde\u7eed\u5f52\u6863\u6a21\u5f0f\u4e0b\u3002\u8fd9\u51cf\u5c11\u4e86 I/O \u5f00\u9500\u5e76\u6539\u8fdb\u4e86\u6027\u80fd\u3002

", "text": "\u5141\u8bb8\u91cd\u5199\u8868\u7684 ALTER TABLE \u547d\u4ee4\u8df3\u8fc7 WAL \u65e5\u5fd7\u8bb0\u5f55\uff08Itagaki Takahiro\uff09 \u8fd9\u7c7b\u64cd\u4f5c\u8981\u4e48\u4ea7\u751f\u8868\u7684\u65b0\u526f\u672c\u8981\u4e48\u56de\u6eda\uff0c\u56e0\u6b64\u53ef\u4ee5\u8df3\u8fc7 WAL \u5f52\u6863\uff0c\u9664\u975e\u8fd0\u884c\u5728\u8fde\u7eed\u5f52\u6863\u6a21\u5f0f\u4e0b\u3002\u8fd9\u51cf\u5c11\u4e86 I/O \u5f00\u9500\u5e76\u6539\u8fdb\u4e86\u6027\u80fd\u3002", "title": "\u5141\u8bb8\u91cd\u5199\u8868\u7684 ALTER TABLE \u547d\u4ee4\u8df3\u8fc7 WAL \u65e5\u5fd7\u8bb0\u5f55", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / ALTER TABLE", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.3", "source_hash": "47d4c9faae882d086a05d63a6c449d9cd05859a382731562282c3955b47455cf", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "ALTER TABLE"], "commit_groups": [], "identity_text": "Allow ALTER TABLE commands that rewrite tables to skip WAL logging (Itagaki Takahiro) Such operations either produce a new copy of the table or are rolled back, so WAL archiving can be skipped, unless running in continuous archiving mode. This reduces I/O overhead and improves performance.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/044", "db_id": "5bc7cfe453b6eb76e67e3bee54373bda", "patch_ids": [], "statement_hash": "f7c1586a097ecf7202ddf4cf3508715349d6b4b4ffa8137004fd06ce3d3b1766", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-74d9ab9870b7a6b0", "migration": false}, {"id": "9.0.0-711d78c93509c307", "cves": [], "html": "

\u4fee\u590d\u7531\u975e\u8868\u6240\u6709\u8005\u6267\u884c ALTER TABLE table ADD COLUMN col serial \u65f6\u7684\u5931\u8d25\uff08Tom Lane\uff09

", "text": "\u4fee\u590d\u7531\u975e\u8868\u6240\u6709\u8005\u6267\u884c ALTER TABLE table ADD COLUMN col serial \u65f6\u7684\u5931\u8d25\uff08Tom Lane\uff09", "title": "\u4fee\u590d\u7531\u975e\u8868\u6240\u6709\u8005\u6267\u884c ALTER TABLE table ADD COLUMN col serial \u65f6\u7684\u5931\u8d25", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / ALTER TABLE", "category": "bugfix", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.3", "source_hash": "3782d306958b4d582f54f3361137232623adb9f64f16e25bb1b7ef0c0363565c", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "ALTER TABLE"], "commit_groups": [], "identity_text": "Fix failure of ALTER TABLE table ADD COLUMN col serial when done by non-owner of table (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/045", "db_id": "56a45ca27c2f48ac7e6a19b8d1956b9b", "patch_ids": [], "statement_hash": "6b24eb7d7a7dca33aaa181d1b55dd3183da2ca3da34fd486b382829c7d014727", "relations": [], "category_label": "BUG \u4fee\u590d", "url": "/docs/compare/?release=9.0.0#9.0.0-711d78c93509c307", "migration": false}, {"id": "9.0.0-e31bd7e72ac911d4", "cves": [], "html": "

\u4e3a CREATE TABLE ... LIKE \u547d\u4ee4\u65b0\u589e\u590d\u5236 COMMENTS \u548c STORAGE \u8bbe\u7f6e\u7684\u652f\u6301\uff08Itagaki Takahiro\uff09

", "text": "\u4e3a CREATE TABLE ... LIKE \u547d\u4ee4\u65b0\u589e\u590d\u5236 COMMENTS \u548c STORAGE \u8bbe\u7f6e\u7684\u652f\u6301\uff08Itagaki Takahiro\uff09", "title": "\u4e3a CREATE TABLE ... LIKE \u547d\u4ee4\u65b0\u589e\u590d\u5236 COMMENTS \u548c STORAGE \u8bbe\u7f6e\u7684\u652f\u6301", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / CREATE TABLE", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.4", "source_hash": "0acc905e0f7d0e840ff94148db3ae918d31da1d313e9e706032db1700316415d", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "CREATE TABLE"], "commit_groups": [], "identity_text": "Add support for copying COMMENTS and STORAGE settings in CREATE TABLE ... LIKE commands (Itagaki Takahiro)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/046", "db_id": "2a444d71e2f63f09a3ed79ed15c1db77", "patch_ids": [], "statement_hash": "45dc711f82c3188e999521b983ff5a7142c932f6d23a0d578ea8f7fefae026cd", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-e31bd7e72ac911d4", "migration": false}, {"id": "9.0.0-3ad70120bb334c82", "cves": [], "html": "

\u4e3a CREATE TABLE ... LIKE \u547d\u4ee4\u65b0\u589e\u590d\u5236\u6240\u6709\u5c5e\u6027\u7684\u5feb\u6377\u65b9\u5f0f\uff08Itagaki Takahiro\uff09

", "text": "\u4e3a CREATE TABLE ... LIKE \u547d\u4ee4\u65b0\u589e\u590d\u5236\u6240\u6709\u5c5e\u6027\u7684\u5feb\u6377\u65b9\u5f0f\uff08Itagaki Takahiro\uff09", "title": "\u4e3a CREATE TABLE ... LIKE \u547d\u4ee4\u65b0\u589e\u590d\u5236\u6240\u6709\u5c5e\u6027\u7684\u5feb\u6377\u65b9\u5f0f", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / CREATE TABLE", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.4", "source_hash": "82552dd03601a6368cf236d65ed3746969da4d3ce63e18d42d1e93d652887437", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "CREATE TABLE"], "commit_groups": [], "identity_text": "Add a shortcut for copying all properties in CREATE TABLE ... LIKE commands (Itagaki Takahiro)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/047", "db_id": "9895cd9d07813c4595c340e4d8780213", "patch_ids": [], "statement_hash": "1f66353dba47ceb9052a394ad00644020635f9d4ca49e72672854122169ee70f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-3ad70120bb334c82", "migration": false}, {"id": "9.0.0-42dd80aa6ead4eb3", "cves": [], "html": "

\u65b0\u589e SQL \u6807\u51c6\u7684 CREATE TABLE ... OF type \u547d\u4ee4\uff08Peter Eisentraut\uff09

\n

\u8fd9\u5141\u8bb8\u521b\u5efa\u5339\u914d\u73b0\u6709\u7ec4\u5408\u7c7b\u578b\u7684\u8868\u3002\u547d\u4ee4\u4e2d\u8fd8\u53ef\u4ee5\u6307\u5b9a\u989d\u5916\u7684\u7ea6\u675f\u548c\u9ed8\u8ba4\u503c\u3002

", "text": "\u65b0\u589e SQL \u6807\u51c6\u7684 CREATE TABLE ... OF type \u547d\u4ee4\uff08Peter Eisentraut\uff09 \u8fd9\u5141\u8bb8\u521b\u5efa\u5339\u914d\u73b0\u6709\u7ec4\u5408\u7c7b\u578b\u7684\u8868\u3002\u547d\u4ee4\u4e2d\u8fd8\u53ef\u4ee5\u6307\u5b9a\u989d\u5916\u7684\u7ea6\u675f\u548c\u9ed8\u8ba4\u503c\u3002", "title": "\u65b0\u589e SQL \u6807\u51c6\u7684 CREATE TABLE ... OF type \u547d\u4ee4", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / CREATE TABLE", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.4", "source_hash": "e7fefb788f767e170a67da6c92d77b9d22c065f87452c8eba0aeccc4141973da", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "CREATE TABLE"], "commit_groups": [], "identity_text": "Add the SQL-standard CREATE TABLE ... OF type command (Peter Eisentraut) This allows creation of a table that matches an existing composite type. Additional constraints and defaults can be specified in the command.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/048", "db_id": "28023d74d710f7436fe349936ec3543d", "patch_ids": [], "statement_hash": "85c9f44776bd3aea564832a6e50861688a7bb84bda660e391b5b8137ba96ee61", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-42dd80aa6ead4eb3", "migration": false}, {"id": "9.0.0-62d3b44b2699e3ba", "cves": [], "html": "

\u65b0\u589e\u53ef\u5ef6\u8fdf\u552f\u4e00\u7ea6\u675f\uff08Dean Rasheed\uff09

\n

\u8fd9\u4f7f\u6279\u91cf\u66f4\u65b0\uff08\u4f8b\u5982 UPDATE tab SET col = col + 1\uff09\u80fd\u591f\u5728\u6709\u552f\u4e00\u7d22\u5f15\u6216\u6807\u8bb0\u4e3a\u4e3b\u952e\u7684\u5217\u4e0a\u53ef\u9760\u5de5\u4f5c\u3002\u5982\u679c\u7ea6\u675f\u6307\u5b9a\u4e3a DEFERRABLE\uff0c\u5b83\u5c06\u5728\u8bed\u53e5\u672b\u5c3e\u800c\u4e0d\u662f\u6bcf\u884c\u66f4\u65b0\u540e\u68c0\u67e5\u3002\u7ea6\u675f\u68c0\u67e5\u8fd8\u53ef\u4ee5\u63a8\u8fdf\u5230\u5f53\u524d\u4e8b\u52a1\u672b\u5c3e\uff0c\u4f7f\u8fd9\u7c7b\u66f4\u65b0\u53ef\u4ee5\u5206\u6563\u5230\u591a\u4e2a SQL \u547d\u4ee4\u4e2d\u3002

", "text": "\u65b0\u589e\u53ef\u5ef6\u8fdf\u552f\u4e00\u7ea6\u675f\uff08Dean Rasheed\uff09 \u8fd9\u4f7f\u6279\u91cf\u66f4\u65b0\uff08\u4f8b\u5982 UPDATE tab SET col = col + 1\uff09\u80fd\u591f\u5728\u6709\u552f\u4e00\u7d22\u5f15\u6216\u6807\u8bb0\u4e3a\u4e3b\u952e\u7684\u5217\u4e0a\u53ef\u9760\u5de5\u4f5c\u3002\u5982\u679c\u7ea6\u675f\u6307\u5b9a\u4e3a DEFERRABLE\uff0c\u5b83\u5c06\u5728\u8bed\u53e5\u672b\u5c3e\u800c\u4e0d\u662f\u6bcf\u884c\u66f4\u65b0\u540e\u68c0\u67e5\u3002\u7ea6\u675f\u68c0\u67e5\u8fd8\u53ef\u4ee5\u63a8\u8fdf\u5230\u5f53\u524d\u4e8b\u52a1\u672b\u5c3e\uff0c\u4f7f\u8fd9\u7c7b\u66f4\u65b0\u53ef\u4ee5\u5206\u6563\u5230\u591a\u4e2a SQL \u547d\u4ee4\u4e2d\u3002", "title": "\u65b0\u589e\u53ef\u5ef6\u8fdf\u552f\u4e00\u7ea6\u675f", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / \u7ea6\u675f", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.5", "source_hash": "0cf337fbf1241bee589e299c3ba11cf915456da9c583f9a65956120da723d1e7", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "\u7ea6\u675f"], "commit_groups": [], "identity_text": "Add deferrable unique constraints (Dean Rasheed) This allows mass updates, such as UPDATE tab SET col = col + 1, to work reliably on columns that have unique indexes or are marked as primary keys. If the constraint is specified as DEFERRABLE it will be checked at the end of the statement, rather than after each row is updated. The constraint check can also be deferred until the end of the current transaction, allowing such updates to be spread over multiple SQL commands.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/049", "db_id": "c9ec185f4b2a4a7682f90193396ca8c6", "patch_ids": [], "statement_hash": "5ebcae2a37fac06cba6719862ffff6d410159e59f52357f0e8a01cd81ed0d1e5", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-62d3b44b2699e3ba", "migration": false}, {"id": "9.0.0-580f2e55f464173d", "cves": [], "html": "

\u65b0\u589e\u6392\u4ed6\u7ea6\u675f\uff08Jeff Davis\uff09

\n

\u6392\u4ed6\u7ea6\u675f\u901a\u8fc7\u5141\u8bb8\u4efb\u610f\u6bd4\u8f83\u64cd\u4f5c\u7b26\uff08\u800c\u4e0d\u4ec5\u4ec5\u662f\u76f8\u7b49\uff09\u6765\u6cdb\u5316\u552f\u4e00\u7ea6\u675f\u3002\u5b83\u4eec\u901a\u8fc7 CREATE TABLE CONSTRAINT ... EXCLUDE \u5b50\u53e5\u521b\u5efa\u3002\u6392\u4ed6\u7ea6\u675f\u6700\u5e38\u89c1\u7684\u7528\u9014\u662f\u6307\u5b9a\u5217\u9879\u4e0d\u5f97\u91cd\u53e0\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u4e0d\u76f8\u7b49\u3002\u8fd9\u5bf9\u65f6\u95f4\u6bb5\u548c\u5176\u4ed6\u8303\u56f4\u4ee5\u53ca\u6570\u7ec4\u90fd\u5f88\u6709\u7528\u3002\u6b64\u7279\u6027\u589e\u5f3a\u4e86\u8bb8\u591a\u65e5\u5386\u3001\u65f6\u95f4\u7ba1\u7406\u548c\u79d1\u5b66\u5e94\u7528\u7684\u6570\u636e\u5b8c\u6574\u6027\u68c0\u67e5\u3002

", "text": "\u65b0\u589e\u6392\u4ed6\u7ea6\u675f\uff08Jeff Davis\uff09 \u6392\u4ed6\u7ea6\u675f\u901a\u8fc7\u5141\u8bb8\u4efb\u610f\u6bd4\u8f83\u64cd\u4f5c\u7b26\uff08\u800c\u4e0d\u4ec5\u4ec5\u662f\u76f8\u7b49\uff09\u6765\u6cdb\u5316\u552f\u4e00\u7ea6\u675f\u3002\u5b83\u4eec\u901a\u8fc7 CREATE TABLE CONSTRAINT ... EXCLUDE \u5b50\u53e5\u521b\u5efa\u3002\u6392\u4ed6\u7ea6\u675f\u6700\u5e38\u89c1\u7684\u7528\u9014\u662f\u6307\u5b9a\u5217\u9879\u4e0d\u5f97\u91cd\u53e0\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u4e0d\u76f8\u7b49\u3002\u8fd9\u5bf9\u65f6\u95f4\u6bb5\u548c\u5176\u4ed6\u8303\u56f4\u4ee5\u53ca\u6570\u7ec4\u90fd\u5f88\u6709\u7528\u3002\u6b64\u7279\u6027\u589e\u5f3a\u4e86\u8bb8\u591a\u65e5\u5386\u3001\u65f6\u95f4\u7ba1\u7406\u548c\u79d1\u5b66\u5e94\u7528\u7684\u6570\u636e\u5b8c\u6574\u6027\u68c0\u67e5\u3002", "title": "\u65b0\u589e\u6392\u4ed6\u7ea6\u675f", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / \u7ea6\u675f", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.5", "source_hash": "c7eb4be11ca2872f4d596f3271bfe8979726569376ca2dab536f03cf950d2822", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "\u7ea6\u675f"], "commit_groups": [], "identity_text": "Add exclusion constraints (Jeff Davis) Exclusion constraints generalize uniqueness constraints by allowing arbitrary comparison operators, not just equality. They are created with the CREATE TABLE CONSTRAINT ... EXCLUDE clause. The most common use of exclusion constraints is to specify that column entries must not overlap, rather than simply not be equal. This is useful for time periods and other ranges, as well as arrays. This feature enhances checking of data integrity for many calendaring, time-management, and scientific applications.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/050", "db_id": "1a7d8b04203a60df02e4c9b5fca55803", "patch_ids": [], "statement_hash": "bbf3eb5e9630dc7041d353b3905a28ffb4a1783dcb544c8570ed4da8dc63ad4e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-580f2e55f464173d", "migration": false}, {"id": "9.0.0-0dc3136796588ddb", "cves": [], "html": "

\u6539\u8fdb\u552f\u4e00\u7ea6\u675f\u8fdd\u89c4\u9519\u8bef\u6d88\u606f\uff0c\u62a5\u544a\u5bfc\u81f4\u5931\u8d25\u7684\u503c\uff08Itagaki Takahiro\uff09

\n

\u4f8b\u5982\uff0c\u552f\u4e00\u7ea6\u675f\u8fdd\u89c4\u73b0\u5728\u53ef\u80fd\u62a5\u544a Key (x)=(2) already exists\u3002

", "text": "\u6539\u8fdb\u552f\u4e00\u7ea6\u675f\u8fdd\u89c4\u9519\u8bef\u6d88\u606f\uff0c\u62a5\u544a\u5bfc\u81f4\u5931\u8d25\u7684\u503c\uff08Itagaki Takahiro\uff09 \u4f8b\u5982\uff0c\u552f\u4e00\u7ea6\u675f\u8fdd\u89c4\u73b0\u5728\u53ef\u80fd\u62a5\u544a Key (x)=(2) already exists\u3002", "title": "\u6539\u8fdb\u552f\u4e00\u7ea6\u675f\u8fdd\u89c4\u9519\u8bef\u6d88\u606f\uff0c\u62a5\u544a\u5bfc\u81f4\u5931\u8d25\u7684\u503c", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / \u7ea6\u675f", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.5", "source_hash": "768e3a1ba01da4e5ffbb25565b8226542ecc8111e49cc113e4cb2e1d2b1200b1", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "\u7ea6\u675f"], "commit_groups": [], "identity_text": "Improve uniqueness-constraint violation error messages to report the values causing the failure (Itagaki Takahiro) For example, a uniqueness constraint violation might now report Key (x)=(2) already exists.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/051", "db_id": "46eb0e177ac82a74a2e0dc1074bbe687", "patch_ids": [], "statement_hash": "2d3c05c909573fd0b3c1b02d2e7a787055933c0f6a0640f0af137c1df18d6f16", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-0dc3136796588ddb", "migration": false}, {"id": "9.0.0-9f92584092d55424", "cves": [], "html": "

\u65b0\u589e\u4f7f\u7528\u65b0\u7684 GRANT/REVOKE IN SCHEMA \u5b50\u53e5\u5728\u6574\u4e2a\u6a21\u5f0f\u5185\u6279\u91cf\u4fee\u6539\u6743\u9650\u7684\u80fd\u529b\uff08Petr Jelinek\uff09

\n

\u8fd9\u7b80\u5316\u4e86\u5bf9\u8c61\u6743\u9650\u7684\u7ba1\u7406\uff0c\u5e76\u4f7f\u4e3a\u5e94\u7528\u6570\u636e\u5b89\u5168\u5229\u7528\u6570\u636e\u5e93\u89d2\u8272\u66f4\u52a0\u5bb9\u6613\u3002

", "text": "\u65b0\u589e\u4f7f\u7528\u65b0\u7684 GRANT/REVOKE IN SCHEMA \u5b50\u53e5\u5728\u6574\u4e2a\u6a21\u5f0f\u5185\u6279\u91cf\u4fee\u6539\u6743\u9650\u7684\u80fd\u529b\uff08Petr Jelinek\uff09 \u8fd9\u7b80\u5316\u4e86\u5bf9\u8c61\u6743\u9650\u7684\u7ba1\u7406\uff0c\u5e76\u4f7f\u4e3a\u5e94\u7528\u6570\u636e\u5b89\u5168\u5229\u7528\u6570\u636e\u5e93\u89d2\u8272\u66f4\u52a0\u5bb9\u6613\u3002", "title": "\u65b0\u589e\u4f7f\u7528\u65b0\u7684 GRANT/REVOKE IN SCHEMA \u5b50\u53e5\u5728\u6574\u4e2a\u6a21\u5f0f\u5185\u6279\u91cf\u4fee\u6539\u6743\u9650\u7684\u80fd\u529b", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / \u5bf9\u8c61\u6743\u9650", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.6", "source_hash": "4117e2c3a955d76b340d2ea12844b85bf4af4c2ed18e85a9f71d9376a5afec4f", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "\u5bf9\u8c61\u6743\u9650"], "commit_groups": [], "identity_text": "Add the ability to make mass permission changes across a whole schema using the new GRANT/REVOKE IN SCHEMA clause (Petr Jelinek) This simplifies management of object permissions and makes it easier to utilize database roles for application data security.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/052", "db_id": "52e72a4be321701e4c5fd98bffb777a5", "patch_ids": [], "statement_hash": "815aca5d66bf739603f9f5a6fa8b7646758aa55a0cae2595b63b413c2a913834", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-9f92584092d55424", "migration": false}, {"id": "9.0.0-56170c9a9710cc72", "cves": [], "html": "

\u65b0\u589e ALTER DEFAULT PRIVILEGES \u547d\u4ee4\uff0c\u7528\u4e8e\u63a7\u5236\u7a0d\u540e\u521b\u5efa\u7684\u5bf9\u8c61\u7684\u6743\u9650\uff08Petr Jelinek\uff09

\n

\u8fd9\u5927\u5e45\u7b80\u5316\u4e86\u590d\u6742\u6570\u636e\u5e93\u5e94\u7528\u4e2d\u5bf9\u8c61\u6743\u9650\u7684\u5206\u914d\u3002\u53ef\u4ee5\u4e3a\u8868\u3001\u89c6\u56fe\u3001\u5e8f\u5217\u548c\u51fd\u6570\u8bbe\u7f6e\u9ed8\u8ba4\u6743\u9650\u3002\u9ed8\u8ba4\u503c\u53ef\u4ee5\u6309\u6a21\u5f0f\u5206\u914d\uff0c\u4e5f\u53ef\u4ee5\u6570\u636e\u5e93\u8303\u56f4\u5206\u914d\u3002

", "text": "\u65b0\u589e ALTER DEFAULT PRIVILEGES \u547d\u4ee4\uff0c\u7528\u4e8e\u63a7\u5236\u7a0d\u540e\u521b\u5efa\u7684\u5bf9\u8c61\u7684\u6743\u9650\uff08Petr Jelinek\uff09 \u8fd9\u5927\u5e45\u7b80\u5316\u4e86\u590d\u6742\u6570\u636e\u5e93\u5e94\u7528\u4e2d\u5bf9\u8c61\u6743\u9650\u7684\u5206\u914d\u3002\u53ef\u4ee5\u4e3a\u8868\u3001\u89c6\u56fe\u3001\u5e8f\u5217\u548c\u51fd\u6570\u8bbe\u7f6e\u9ed8\u8ba4\u6743\u9650\u3002\u9ed8\u8ba4\u503c\u53ef\u4ee5\u6309\u6a21\u5f0f\u5206\u914d\uff0c\u4e5f\u53ef\u4ee5\u6570\u636e\u5e93\u8303\u56f4\u5206\u914d\u3002", "title": "\u65b0\u589e ALTER DEFAULT PRIVILEGES \u547d\u4ee4\uff0c\u7528\u4e8e\u63a7\u5236\u7a0d\u540e\u521b\u5efa\u7684\u5bf9\u8c61\u7684\u6743\u9650", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / \u5bf9\u8c61\u6743\u9650", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.6", "source_hash": "d3b92e4efeac5f7922665c2819ed5d7e10cdc4c8af97b45d0cd1eaf217b3a53d", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "\u5bf9\u8c61\u6743\u9650"], "commit_groups": [], "identity_text": "Add ALTER DEFAULT PRIVILEGES command to control privileges of objects created later (Petr Jelinek) This greatly simplifies the assignment of object privileges in a complex database application. Default privileges can be set for tables, views, sequences, and functions. Defaults may be assigned on a per-schema basis, or database-wide.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/053", "db_id": "fdf60726f13b8375986345a0c20f43b5", "patch_ids": [], "statement_hash": "e6039360ef4c0079483695126bf7644deff8e8ab2e30beda31d6dad6731c5ea8", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-56170c9a9710cc72", "migration": false}, {"id": "9.0.0-59967ba39df774b3", "cves": [], "html": "

\u65b0\u589e\u7528 GRANT/REVOKE \u63a7\u5236\u5927\u5bf9\u8c61\uff08BLOB\uff09\u6743\u9650\u7684\u80fd\u529b\uff08KaiGai Kohei\uff09

\n

\u6b64\u524d\u4efb\u4f55\u6570\u636e\u5e93\u7528\u6237\u90fd\u53ef\u4ee5\u8bfb\u53d6\u6216\u4fee\u6539\u4efb\u4f55\u5927\u5bf9\u8c61\u3002\u73b0\u5728\u53ef\u4ee5\u9010\u5927\u5bf9\u8c61\u6388\u4e88\u548c\u64a4\u9500\u8bfb\u5199\u6743\u9650\uff0c\u5e76\u4e14\u4f1a\u8ddf\u8e2a\u5927\u5bf9\u8c61\u7684\u6240\u6709\u6743\u3002

", "text": "\u65b0\u589e\u7528 GRANT/REVOKE \u63a7\u5236\u5927\u5bf9\u8c61\uff08BLOB\uff09\u6743\u9650\u7684\u80fd\u529b\uff08KaiGai Kohei\uff09 \u6b64\u524d\u4efb\u4f55\u6570\u636e\u5e93\u7528\u6237\u90fd\u53ef\u4ee5\u8bfb\u53d6\u6216\u4fee\u6539\u4efb\u4f55\u5927\u5bf9\u8c61\u3002\u73b0\u5728\u53ef\u4ee5\u9010\u5927\u5bf9\u8c61\u6388\u4e88\u548c\u64a4\u9500\u8bfb\u5199\u6743\u9650\uff0c\u5e76\u4e14\u4f1a\u8ddf\u8e2a\u5927\u5bf9\u8c61\u7684\u6240\u6709\u6743\u3002", "title": "\u65b0\u589e\u7528 GRANT/REVOKE \u63a7\u5236\u5927\u5bf9\u8c61\uff08BLOB\uff09\u6743\u9650\u7684\u80fd\u529b", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / \u5bf9\u8c61\u6743\u9650", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.5.6", "source_hash": "ae4ed4de8e2d7799959ef8e7ddce818355750219db9af70f7541873465616f16", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "\u5bf9\u8c61\u6743\u9650"], "commit_groups": [], "identity_text": "Add the ability to control large object (BLOB) permissions with GRANT/REVOKE (KaiGai Kohei) Formerly, any database user could read or modify any large object. Read and write permissions can now be granted and revoked per large object, and the ownership of large objects is tracked.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/054", "db_id": "df318b7ab7dda32946f9c3127e50baee", "patch_ids": [], "statement_hash": "df110d3ec6ca2b651d16d29771b161fdde28e4c4ae393fc5a081e73dc122d983", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-59967ba39df774b3", "migration": false}, {"id": "9.0.0-de071464569afc61", "cves": [], "html": "

\u8ba9 LISTEN/NOTIFY \u628a\u672a\u51b3\u4e8b\u4ef6\u5b58\u50a8\u5728\u5185\u5b58\u961f\u5217\u800c\u4e0d\u662f\u7cfb\u7edf\u8868\u4e2d\uff08Joachim Wieland\uff09

\n

\u8fd9\u5927\u5e45\u6539\u8fdb\u4e86\u6027\u80fd\uff0c\u540c\u65f6\u4fdd\u7559\u4e86\u4e8b\u52a1\u652f\u6301\u548c\u4fdd\u8bc1\u9001\u8fbe\u7684\u73b0\u6709\u7279\u6027\u3002

", "text": "\u8ba9 LISTEN/NOTIFY \u628a\u672a\u51b3\u4e8b\u4ef6\u5b58\u50a8\u5728\u5185\u5b58\u961f\u5217\u800c\u4e0d\u662f\u7cfb\u7edf\u8868\u4e2d\uff08Joachim Wieland\uff09 \u8fd9\u5927\u5e45\u6539\u8fdb\u4e86\u6027\u80fd\uff0c\u540c\u65f6\u4fdd\u7559\u4e86\u4e8b\u52a1\u652f\u6301\u548c\u4fdd\u8bc1\u9001\u8fbe\u7684\u73b0\u6709\u7279\u6027\u3002", "title": "\u8ba9 LISTEN/NOTIFY \u628a\u672a\u51b3\u4e8b\u4ef6\u5b58\u50a8\u5728\u5185\u5b58\u961f\u5217\u800c\u4e0d\u662f\u7cfb\u7edf\u8868\u4e2d", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.6", "source_hash": "568ef92c5978878c97b86863286bccfa510f40485f9db797bd8a4c8edbeb4073", "section_path": ["\u5de5\u5177\u64cd\u4f5c"], "commit_groups": [], "identity_text": "Make LISTEN/NOTIFY store pending events in a memory queue, rather than in a system table (Joachim Wieland) This substantially improves performance, while retaining the existing features of transactional support and guaranteed delivery.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/055", "db_id": "4452178216d475e0245686a33f5e1845", "patch_ids": [], "statement_hash": "e2495c5cce1c61ea6fd1969fdcf40023d3a23907365b784acb8c45d938db8b67", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-de071464569afc61", "migration": false}, {"id": "9.0.0-6c3e3af9fd1c3e43", "cves": [], "html": "

\u5141\u8bb8 NOTIFY \u5411\u76d1\u542c\u8005\u4f20\u9012\u53ef\u9009\u7684\u201c\u8f7d\u8377\u201d\u5b57\u7b26\u4e32\uff08Joachim Wieland\uff09

\n

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", "text": "\u66f4\u6539 VACUUM FULL\uff0c\u4f7f\u5176\u91cd\u5199\u6574\u4e2a\u8868\u5e76\u91cd\u5efa\u5176\u7d22\u5f15\uff0c\u800c\u4e0d\u662f\u79fb\u52a8\u5355\u4e2a\u884c\u6765\u538b\u7f29\u7a7a\u95f4\uff08Itagaki Takahiro\u3001Tom Lane\uff09 \u4ee5\u524d\u7684\u65b9\u6cd5\u901a\u5e38\u66f4\u6162\u5e76\u5bfc\u81f4\u7d22\u5f15\u81a8\u80c0\u3002\u6ce8\u610f\u65b0\u65b9\u6cd5\u5728 VACUUM FULL \u671f\u95f4\u4f1a\u6682\u65f6\u4f7f\u7528\u66f4\u591a\u78c1\u76d8\u7a7a\u95f4\uff1b\u53ef\u80fd\u591a\u8fbe\u8868\u53ca\u5176\u7d22\u5f15\u901a\u5e38\u5360\u7528\u7a7a\u95f4\u7684\u4e24\u500d\u3002", "title": "\u66f4\u6539 VACUUM FULL\uff0c\u4f7f\u5176\u91cd\u5199\u6574\u4e2a\u8868\u5e76\u91cd\u5efa\u5176\u7d22\u5f15\uff0c\u800c\u4e0d\u662f\u79fb\u52a8\u5355\u4e2a\u884c\u6765\u538b\u7f29\u7a7a\u95f4", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / VACUUM", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.6.5", "source_hash": "4fbca7062ed82fb282b1fb0d0bfd8702e48c5381e9472b8fd325247090a914be", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "VACUUM"], "commit_groups": [], "identity_text": "Change VACUUM FULL to rewrite the entire table and rebuild its indexes, rather than moving individual rows around to compact space (Itagaki Takahiro, Tom Lane) The previous method was usually slower and caused index bloat. Note that the new method will use more disk space transiently during VACUUM FULL; potentially as much as twice the space normally occupied by the table and its indexes.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/064", "db_id": "22a1bcb5ce76d79513856c74541fa4b0", "patch_ids": [], "statement_hash": "2277a3d43a9e4f6bb2ea2593e21af32c022d9b054fa24f835486ea7adba3a8e4", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-1db4aaf4f2ea526e", "migration": false}, {"id": "9.0.0-545d701c52f794e2", "cves": [], "html": "

\u65b0\u589e\u5141\u8bb8\u5728\u62ec\u53f7\u5185\u6307\u5b9a\u9009\u9879\u7684 VACUUM \u8bed\u6cd5\uff08Itagaki Takahiro\uff09

\n

\u8fd9\u4e3a\u672a\u6765\u7684 VACUUM \u9009\u9879\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002\u4ecd\u652f\u6301\u65e7\u8bed\u6cd5\uff0c\u4f46\u53ea\u7528\u4e8e\u65e2\u6709\u9009\u9879\u3002

", "text": "\u65b0\u589e\u5141\u8bb8\u5728\u62ec\u53f7\u5185\u6307\u5b9a\u9009\u9879\u7684 VACUUM \u8bed\u6cd5\uff08Itagaki Takahiro\uff09 \u8fd9\u4e3a\u672a\u6765\u7684 VACUUM \u9009\u9879\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002\u4ecd\u652f\u6301\u65e7\u8bed\u6cd5\uff0c\u4f46\u53ea\u7528\u4e8e\u65e2\u6709\u9009\u9879\u3002", "title": "\u65b0\u589e\u5141\u8bb8\u5728\u62ec\u53f7\u5185\u6307\u5b9a\u9009\u9879\u7684 VACUUM \u8bed\u6cd5", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / VACUUM", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.6.5", "source_hash": "457b1b268e4ee36063ab4f405f61afc644f74fa4ef21c2796b7b4dffcc081f2a", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "VACUUM"], "commit_groups": [], "identity_text": "Add new VACUUM syntax that allows options to be specified inside parentheses (Itagaki Takahiro) This allows greater flexibility for future VACUUM options. The old syntax is still supported, but only for pre-existing options.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/065", "db_id": "d4c97b715a82466e27f4ff32a428f44c", "patch_ids": [], "statement_hash": "6bd23353087fdc6c077269858922d77092b75c6d3ab5e997171f2a0949945c9a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-545d701c52f794e2", "migration": false}, {"id": "9.0.0-296558b0067f6c47", "cves": [], "html": "

\u5141\u8bb8\u5728 CREATE INDEX \u4e2d\u7701\u7565\u7d22\u5f15\u540d\u4ee5\u81ea\u52a8\u547d\u540d\u7d22\u5f15\uff08Tom Lane\uff09

", "text": "\u5141\u8bb8\u5728 CREATE INDEX \u4e2d\u7701\u7565\u7d22\u5f15\u540d\u4ee5\u81ea\u52a8\u547d\u540d\u7d22\u5f15\uff08Tom Lane\uff09", "title": "\u5141\u8bb8\u5728 CREATE INDEX \u4e2d\u7701\u7565\u7d22\u5f15\u540d\u4ee5\u81ea\u52a8\u547d\u540d\u7d22\u5f15", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.6.6", "source_hash": "8742cc241a72e7e3b70e3a964f8f5bdf6b12fa9c1ec21e76475c68a4d6341cdd", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "Allow an index to be named automatically by omitting the index name in CREATE INDEX (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/066", "db_id": "a50c59620522b40bcdfb7bd35cc55516", "patch_ids": [], "statement_hash": "e9bfccb7dd348da1b3f9727c9e5f887927195459099761073cb376ca0d9bf1ff", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-296558b0067f6c47", "migration": false}, {"id": "9.0.0-7c2cc3f4cff3b4ed", "cves": [], "html": "

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u591a\u5217\u7d22\u5f15\u73b0\u5728\u4ee5\u6240\u6709\u5217\u547d\u540d\uff1b\u7d22\u5f15\u8868\u8fbe\u5f0f\u5217\u73b0\u5728\u57fa\u4e8e\u5176\u8868\u8fbe\u5f0f\u547d\u540d\uff08Tom Lane\uff09

", "text": "\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u591a\u5217\u7d22\u5f15\u73b0\u5728\u4ee5\u6240\u6709\u5217\u547d\u540d\uff1b\u7d22\u5f15\u8868\u8fbe\u5f0f\u5217\u73b0\u5728\u57fa\u4e8e\u5176\u8868\u8fbe\u5f0f\u547d\u540d\uff08Tom Lane\uff09", "title": "\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u591a\u5217\u7d22\u5f15\u73b0\u5728\u4ee5\u6240\u6709\u5217\u547d\u540d\uff1b\u7d22\u5f15\u8868\u8fbe\u5f0f\u5217\u73b0\u5728\u57fa\u4e8e\u5176\u8868\u8fbe\u5f0f\u547d\u540d", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.6.6", "source_hash": "70cb57018e37a38fe080f0078f888b0c65ea16ac7290c49c2640fdb5b31c5c56", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "By default, multicolumn indexes are now named after all their columns; and index expression columns are now named based on their expressions (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/067", "db_id": "63b86008836b08eb8d3fd144623baf39", "patch_ids": [], "statement_hash": "89e9d31d85a9a637eb9ddf7c4ae843bb805c9495951dff275818d1030849fd2b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-7c2cc3f4cff3b4ed", "migration": false}, {"id": "9.0.0-79f28e0426734b88", "cves": [], "html": "

\u91cd\u5efa\u5171\u4eab\u7cfb\u7edf\u76ee\u5f55\u7684\u7d22\u5f15\u73b0\u5728\u5b8c\u5168\u662f\u4e8b\u52a1\u6027\u4e14\u5d29\u6e83\u5b89\u5168\u7684\uff08Tom Lane\uff09

\n

\u6b64\u524d\uff0c\u91cd\u5efa\u5171\u4eab\u7d22\u5f15\u53ea\u5141\u8bb8\u5728\u72ec\u7acb\u6a21\u5f0f\u4e0b\u8fdb\u884c\uff0c\u800c\u4e14\u64cd\u4f5c\u671f\u95f4\u5d29\u6e83\u53ef\u80fd\u4f7f\u7d22\u5f15\u5904\u4e8e\u6bd4\u4e4b\u524d\u66f4\u7cdf\u7684\u72b6\u6001\u3002

", "text": "\u91cd\u5efa\u5171\u4eab\u7cfb\u7edf\u76ee\u5f55\u7684\u7d22\u5f15\u73b0\u5728\u5b8c\u5168\u662f\u4e8b\u52a1\u6027\u4e14\u5d29\u6e83\u5b89\u5168\u7684\uff08Tom Lane\uff09 \u6b64\u524d\uff0c\u91cd\u5efa\u5171\u4eab\u7d22\u5f15\u53ea\u5141\u8bb8\u5728\u72ec\u7acb\u6a21\u5f0f\u4e0b\u8fdb\u884c\uff0c\u800c\u4e14\u64cd\u4f5c\u671f\u95f4\u5d29\u6e83\u53ef\u80fd\u4f7f\u7d22\u5f15\u5904\u4e8e\u6bd4\u4e4b\u524d\u66f4\u7cdf\u7684\u72b6\u6001\u3002", "title": "\u91cd\u5efa\u5171\u4eab\u7cfb\u7edf\u76ee\u5f55\u7684\u7d22\u5f15\u73b0\u5728\u5b8c\u5168\u662f\u4e8b\u52a1\u6027\u4e14\u5d29\u6e83\u5b89\u5168\u7684", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.6.6", "source_hash": "ccf788a718dc4d8561d4c8956a38079b69af6afb7b655f7669383fd9d376ec61", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "Reindexing shared system catalogs is now fully transactional and crash-safe (Tom Lane) Formerly, reindexing a shared index was only allowed in standalone mode, and a crash during the operation could leave the index in worse condition than it was before.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/068", "db_id": "2fda88e3a26a8642900cb1b04efd51eb", "patch_ids": [], "statement_hash": "9091a5a297ff7d9653ce58577813b31885d1e1b2c3e3fb6c1ce2f6c66bdf3111", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-79f28e0426734b88", "migration": false}, {"id": "9.0.0-4f026c0f531f72b7", "cves": [], "html": "

\u4e3a GiST \u65b0\u589e point_ops \u64cd\u4f5c\u7b26\u7c7b\uff08Teodor Sigaev\uff09

\n

\u6b64\u7279\u6027\u5141\u8bb8\u5bf9 point \u5217\u5efa\u7acb GiST \u7d22\u5f15\u3002\u8be5\u7d22\u5f15\u53ef\u7528\u4e8e\u591a\u79cd\u7c7b\u578b\u7684\u67e5\u8be2\uff0c\u4f8b\u5982 point <@ polygon\uff08\u70b9\u5728\u591a\u8fb9\u5f62\u5185\uff09\u3002\u8fd9\u5e94\u80fd\u4f7f\u8bb8\u591a PostGIS \u67e5\u8be2\u66f4\u5feb\u3002

", "text": "\u4e3a GiST \u65b0\u589e point_ops \u64cd\u4f5c\u7b26\u7c7b\uff08Teodor Sigaev\uff09 \u6b64\u7279\u6027\u5141\u8bb8\u5bf9 point \u5217\u5efa\u7acb GiST \u7d22\u5f15\u3002\u8be5\u7d22\u5f15\u53ef\u7528\u4e8e\u591a\u79cd\u7c7b\u578b\u7684\u67e5\u8be2\uff0c\u4f8b\u5982 point <@ polygon\uff08\u70b9\u5728\u591a\u8fb9\u5f62\u5185\uff09\u3002\u8fd9\u5e94\u80fd\u4f7f\u8bb8\u591a PostGIS \u67e5\u8be2\u66f4\u5feb\u3002", "title": "\u4e3a GiST \u65b0\u589e point_ops \u64cd\u4f5c\u7b26\u7c7b", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.6.6", "source_hash": "37911db1be9e286548a4d64915adaea672fcb201322910a93b8b152bf8b04457", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "Add point_ops operator class for GiST (Teodor Sigaev) This feature permits GiST indexing of point columns. The index can be used for several types of queries such as point <@ polygon (point is in polygon). This should make many PostGIS queries faster.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/069", "db_id": "4f43b6662d3fca4141219c6b5dd315b6", "patch_ids": [], "statement_hash": "ea28749259c8bc3a2d361f93c15481e20e93db6d898081350ea3adff495492d4", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-4f026c0f531f72b7", "migration": false}, {"id": "9.0.0-34d4587e4da1abea", "cves": [], "html": "

\u5728 GIN \u7d22\u5f15\u521b\u5efa\u4e2d\u4f7f\u7528\u7ea2\u9ed1\u4e8c\u53c9\u6811\uff08Teodor Sigaev\uff09

\n

\u7ea2\u9ed1\u6811\u662f\u81ea\u5e73\u8861\u7684\u3002\u8fd9\u907f\u514d\u4e86\u8f93\u5165\u4ee5\u975e\u968f\u673a\u987a\u5e8f\u51fa\u73b0\u65f6\u7684\u53d8\u6162\u3002

", "text": "\u5728 GIN \u7d22\u5f15\u521b\u5efa\u4e2d\u4f7f\u7528\u7ea2\u9ed1\u4e8c\u53c9\u6811\uff08Teodor Sigaev\uff09 \u7ea2\u9ed1\u6811\u662f\u81ea\u5e73\u8861\u7684\u3002\u8fd9\u907f\u514d\u4e86\u8f93\u5165\u4ee5\u975e\u968f\u673a\u987a\u5e8f\u51fa\u73b0\u65f6\u7684\u53d8\u6162\u3002", "title": "\u5728 GIN \u7d22\u5f15\u521b\u5efa\u4e2d\u4f7f\u7528\u7ea2\u9ed1\u4e8c\u53c9\u6811", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.6.6", "source_hash": "90a0b181bcce23cac2d1e06c278ae941467ee0c4ff50b1e8f22b10703a4c014f", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "Use red-black binary trees for GIN index creation (Teodor Sigaev) Red-black trees are self-balancing. This avoids slowdowns in cases where the input is in nonrandom order.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/070", "db_id": "a0f4a8fe5b3a5860b203006ad97f5b4f", "patch_ids": [], "statement_hash": "a5cdb4a0e2bc95ecebccc88e7d57385a11db12e8ef945f4e74341f6f54afe061", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-34d4587e4da1abea", "migration": false}, {"id": "9.0.0-aeed2d9f8ac05d30", "cves": [], "html": "

\u5141\u8bb8 bytea \u503c\u4ee5\u5341\u516d\u8fdb\u5236\u8bb0\u6cd5\u4e66\u5199\uff08Peter Eisentraut\uff09

\n

\u670d\u52a1\u5668\u53c2\u6570 bytea_output \u63a7\u5236 bytea \u8f93\u51fa\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u8fd8\u662f\u4f20\u7edf\u683c\u5f0f\u3002Libpq \u7684 PQescapeByteaConn() \u51fd\u6570\u5728\u8fde\u63a5 PostgreSQL 9.0 \u6216\u66f4\u65b0\u670d\u52a1\u5668\u65f6\u81ea\u52a8\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u3002\u4f46 9.0 \u4e4b\u524d\u7684 libpq \u7248\u672c\u65e0\u6cd5\u6b63\u786e\u5904\u7406\u6765\u81ea\u66f4\u65b0\u670d\u52a1\u5668\u7684\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u3002

\n

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", "text": "\u5141\u8bb8 bytea \u503c\u4ee5\u5341\u516d\u8fdb\u5236\u8bb0\u6cd5\u4e66\u5199\uff08Peter Eisentraut\uff09 \u670d\u52a1\u5668\u53c2\u6570 bytea_output \u63a7\u5236 bytea \u8f93\u51fa\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u8fd8\u662f\u4f20\u7edf\u683c\u5f0f\u3002Libpq \u7684 PQescapeByteaConn() \u51fd\u6570\u5728\u8fde\u63a5 PostgreSQL 9.0 \u6216\u66f4\u65b0\u670d\u52a1\u5668\u65f6\u81ea\u52a8\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u3002\u4f46 9.0 \u4e4b\u524d\u7684 libpq \u7248\u672c\u65e0\u6cd5\u6b63\u786e\u5904\u7406\u6765\u81ea\u66f4\u65b0\u670d\u52a1\u5668\u7684\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u3002 \u65b0\u7684\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u4e0e\u66f4\u591a\u4f7f\u7528\u4e8c\u8fdb\u5236\u6570\u636e\u7684\u5e94\u7528\u76f4\u63a5\u517c\u5bb9\uff0c\u4f7f\u5b83\u4eec\u65e0\u9700\u989d\u5916\u8f6c\u6362\u5373\u53ef\u5b58\u50a8\u548c\u83b7\u53d6\u3002\u5b83\u7684\u8bfb\u5199\u4e5f\u660e\u663e\u5feb\u4e8e\u4f20\u7edf\u683c\u5f0f\u3002", "title": "\u5141\u8bb8 bytea \u503c\u4ee5\u5341\u516d\u8fdb\u5236\u8bb0\u6cd5\u4e66\u5199", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.7", "source_hash": "f554f9757c7990bbdafcffe1e6df0173a61e5f88d39188850456fd372758f9e3", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Allow bytea values to be written in hex notation (Peter Eisentraut) The server parameter bytea_output controls whether hex or traditional format is used for bytea output. Libpq's PQescapeByteaConn() function automatically uses the hex format when connected to PostgreSQL 9.0 or newer servers. However, pre-9.0 libpq versions will not correctly process hex format from newer servers. The new hex format will be directly compatible with more applications that use binary data, allowing them to store and retrieve it without extra conversion. It is also significantly faster to read and write than the traditional format.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/071", "db_id": "de388957b88a64be3a4c205b2195dfe8", "patch_ids": [], "statement_hash": "2200ccb1ee30b584d9d04a865855946df8d44d2fc690ca6d9d71098ff371f911", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-aeed2d9f8ac05d30", "migration": false}, {"id": "9.0.0-1f74db7aa0c73451", "cves": [], "html": "

\u5141\u8bb8\u628a\u670d\u52a1\u5668\u53c2\u6570 extra_float_digits \u589e\u5927\u5230 3\uff08Tom Lane\uff09

\n

\u6b64\u524d extra_float_digits \u7684\u6700\u5927\u8bbe\u7f6e\u4e3a 2\u3002\u6709\u4e9b\u60c5\u51b5\u9700\u8981 3 \u4f4d\u6570\u5b57\u624d\u80fd\u7cbe\u786e\u8f6c\u50a8\u548c\u6062\u590d float4 \u503c\u3002pg_dump \u73b0\u5728\u5728\u4ece\u5141\u8bb8\u5b83\u7684\u670d\u52a1\u5668\u8f6c\u50a8\u65f6\u5c06\u4f7f\u7528\u8bbe\u7f6e 3\u3002

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\u6536\u7d27\u5bf9 int2vector \u503c\u7684\u8f93\u5165\u68c0\u67e5\uff08Caleb Welton\uff09

", "text": "\u6536\u7d27\u5bf9 int2vector \u503c\u7684\u8f93\u5165\u68c0\u67e5\uff08Caleb Welton\uff09", "title": "\u6536\u7d27\u5bf9 int2vector \u503c\u7684\u8f93\u5165\u68c0\u67e5", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.7", "source_hash": "a194b3bb07721c772aa909c354802e9c7b8a119ef7d62b01f66eb17970058684", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Tighten input checking for int2vector values (Caleb Welton)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/073", "db_id": "e4d9e57e1f5f1d841696af4c7e1d3daf", "patch_ids": [], "statement_hash": "e56849e55681f730a0277442d4acd8d21eef7eec14e5cba150ee33925b618462", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-52afe23a59ec010d", "migration": false}, {"id": "9.0.0-ef8ad652b128c1f8", "cves": [], "html": "

\u5728 synonym \u8bcd\u5178\u4e2d\u65b0\u589e\u524d\u7f00\u652f\u6301\uff08Teodor Sigaev\uff09

", "text": "\u5728 synonym \u8bcd\u5178\u4e2d\u65b0\u589e\u524d\u7f00\u652f\u6301\uff08Teodor Sigaev\uff09", "title": "\u5728 synonym \u8bcd\u5178\u4e2d\u65b0\u589e\u524d\u7f00\u652f\u6301", "commits": [], "section": "\u6570\u636e\u7c7b\u578b / Full Text Search", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.7.3", "source_hash": "daf19fbc857f897af7bea2d06e87f2f5b565d50a16c79f82dae511324a289652", "section_path": ["\u6570\u636e\u7c7b\u578b", "Full Text Search"], "commit_groups": [], "identity_text": "Add prefix support in synonym dictionaries (Teodor Sigaev)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/074", "db_id": "ebf5166f047a36a5b10e66f866d4b334", "patch_ids": [], "statement_hash": "a500c8c23e1c38d97011e001cbb020b75a9954e6f6086a291ff7b4a99937a6d7", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-ef8ad652b128c1f8", "migration": false}, {"id": "9.0.0-780c186f12c4768c", "cves": [], "html": "

\u65b0\u589e\u8fc7\u6ee4\u8bcd\u5178\uff08Teodor Sigaev\uff09

\n

\u8fc7\u6ee4\u8bcd\u5178\u5141\u8bb8\u5148\u4fee\u6539\u8bcd\u5143\u518d\u4f20\u9012\u7ed9\u540e\u7eed\u8bcd\u5178\u3002

", "text": "\u65b0\u589e\u8fc7\u6ee4\u8bcd\u5178\uff08Teodor Sigaev\uff09 \u8fc7\u6ee4\u8bcd\u5178\u5141\u8bb8\u5148\u4fee\u6539\u8bcd\u5143\u518d\u4f20\u9012\u7ed9\u540e\u7eed\u8bcd\u5178\u3002", "title": "\u65b0\u589e\u8fc7\u6ee4\u8bcd\u5178", "commits": [], "section": "\u6570\u636e\u7c7b\u578b / Full Text Search", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.7.3", "source_hash": "8e6e9e652eb5e2ce6a14494f6d2211343f5e170fac14f335eb4093ca1a1ddb6e", "section_path": ["\u6570\u636e\u7c7b\u578b", "Full Text Search"], "commit_groups": [], "identity_text": "Add filtering dictionaries (Teodor Sigaev) Filtering dictionaries allow tokens to be modified then passed to subsequent dictionaries.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/075", "db_id": "63e075dbfea8f33b0b3048c247227b7c", "patch_ids": [], "statement_hash": "e2507e7c1c455b802b98a7e48d2621ec275d6cc367d1e592f9a109f19da98f3c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-780c186f12c4768c", "migration": false}, {"id": "9.0.0-d3d23e5732cff671", "cves": [], "html": "

\u5141\u8bb8\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u8bcd\u5143\u4e2d\u5305\u542b\u4e0b\u5212\u7ebf\uff08Teodor Sigaev\uff09

", "text": "\u5141\u8bb8\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u8bcd\u5143\u4e2d\u5305\u542b\u4e0b\u5212\u7ebf\uff08Teodor Sigaev\uff09", "title": "\u5141\u8bb8\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u8bcd\u5143\u4e2d\u5305\u542b\u4e0b\u5212\u7ebf", "commits": [], "section": "\u6570\u636e\u7c7b\u578b / Full Text Search", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.7.3", "source_hash": "84c1bb427f095c95ab3196e55fd39bedfaf9a0bd16e5b7e83c2eef8fea7482ff", "section_path": ["\u6570\u636e\u7c7b\u578b", "Full Text Search"], "commit_groups": [], "identity_text": "Allow underscores in email-address tokens (Teodor Sigaev)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/076", "db_id": "cf8f6b7eab521411623be4074afa0542", "patch_ids": [], "statement_hash": "baeb1f8715ebdafb0da6f56f01c39dced36b06adbf5bf8265027757cca46d2b1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-d3d23e5732cff671", "migration": false}, {"id": "9.0.0-7fd240e50ed5fa3f", "cves": [], "html": "

\u4f7f\u7528\u66f4\u7b26\u5408\u6807\u51c6\u7684\u89c4\u5219\u89e3\u6790 URL \u8bcd\u5143\uff08Tom Lane\uff09

", "text": "\u4f7f\u7528\u66f4\u7b26\u5408\u6807\u51c6\u7684\u89c4\u5219\u89e3\u6790 URL \u8bcd\u5143\uff08Tom Lane\uff09", "title": "\u4f7f\u7528\u66f4\u7b26\u5408\u6807\u51c6\u7684\u89c4\u5219\u89e3\u6790 URL \u8bcd\u5143", "commits": [], "section": "\u6570\u636e\u7c7b\u578b / Full Text Search", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.7.3", "source_hash": "36f4f85bc4dba3903a33c914a765b3d12c1ed55fcc284681ce012b72273c8acd", "section_path": ["\u6570\u636e\u7c7b\u578b", "Full Text Search"], "commit_groups": [], "identity_text": "Use more standards-compliant rules for parsing URL tokens (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/077", "db_id": "bf55c0835d6a08619f9b6e18b88e95c8", "patch_ids": [], "statement_hash": "0e06ab6620451cd9343238a9c870855ea4fbaa440663a98da50c3f3c0b8def76", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-7fd240e50ed5fa3f", "migration": false}, {"id": "9.0.0-f7827ac909b3bb1d", "cves": [], "html": "

\u5141\u8bb8\u51fd\u6570\u8c03\u7528\u63d0\u4f9b\u53c2\u6570\u540d\u5e76\u4e0e\u51fd\u6570\u5b9a\u4e49\u4e2d\u7684\u547d\u540d\u53c2\u6570\u5339\u914d\uff08Pavel Stehule\uff09

\n

\u4f8b\u5982\uff0c\u5982\u679c\u51fd\u6570\u5b9a\u4e49\u4e3a\u63a5\u53d7\u53c2\u6570 a \u548c b\uff0c\u5219\u53ef\u4ee5\u7528 func(a := 7, b := 12) \u6216 func(b := 12, a := 7) \u8c03\u7528\u5b83\u3002

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\u652f\u6301\u5728 UTF-8 \u670d\u52a1\u5668\u7f16\u7801\u4e0b\u8fdb\u884c\u533a\u57df\u7279\u5b9a\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5904\u7406\uff08Tom Lane\uff09

\n

\u533a\u57df\u7279\u5b9a\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u529f\u80fd\u5305\u62ec\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\u5339\u914d\u548c\u533a\u57df\u7279\u5b9a\u7684\u5b57\u7b26\u7c7b\u3002\u6b64\u524d\uff0c\u8fd9\u4e9b\u7279\u6027\u53ea\u6709\u5f53\u6570\u636e\u5e93\u4f7f\u7528\u5355\u5b57\u8282\u670d\u52a1\u5668\u7f16\u7801\uff08\u5982 LATIN1\uff09\u65f6\u624d\u80fd\u5bf9\u975e ASCII \u5b57\u7b26\u6b63\u786e\u5de5\u4f5c\u3002\u5728 UTF-8 \u4e4b\u5916\u7684\u591a\u5b57\u8282\u7f16\u7801\u4e2d\u5b83\u4eec\u4ecd\u4f1a\u884c\u4e3a\u4e0d\u5f53\u3002

", "text": "\u652f\u6301\u5728 UTF-8 \u670d\u52a1\u5668\u7f16\u7801\u4e0b\u8fdb\u884c\u533a\u57df\u7279\u5b9a\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5904\u7406\uff08Tom Lane\uff09 \u533a\u57df\u7279\u5b9a\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u529f\u80fd\u5305\u62ec\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\u5339\u914d\u548c\u533a\u57df\u7279\u5b9a\u7684\u5b57\u7b26\u7c7b\u3002\u6b64\u524d\uff0c\u8fd9\u4e9b\u7279\u6027\u53ea\u6709\u5f53\u6570\u636e\u5e93\u4f7f\u7528\u5355\u5b57\u8282\u670d\u52a1\u5668\u7f16\u7801\uff08\u5982 LATIN1\uff09\u65f6\u624d\u80fd\u5bf9\u975e ASCII \u5b57\u7b26\u6b63\u786e\u5de5\u4f5c\u3002\u5728 UTF-8 \u4e4b\u5916\u7684\u591a\u5b57\u8282\u7f16\u7801\u4e2d\u5b83\u4eec\u4ecd\u4f1a\u884c\u4e3a\u4e0d\u5f53\u3002", "title": "\u652f\u6301\u5728 UTF-8 \u670d\u52a1\u5668\u7f16\u7801\u4e0b\u8fdb\u884c\u533a\u57df\u7279\u5b9a\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5904\u7406", "commits": [], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8", "source_hash": "7403d2194bd6a2bcca3dec12dba57afd9975572077b882b7468e5096ef8ad034", "section_path": ["\u51fd\u6570"], "commit_groups": [], "identity_text": "Support locale-specific regular expression processing with UTF-8 server encoding (Tom Lane) Locale-specific regular expression functionality includes case-insensitive matching and locale-specific character classes. Previously, these features worked correctly for non-ASCII characters only if the database used a single-byte server encoding (such as LATIN1). They will still misbehave in multi-byte encodings other than UTF-8.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/079", "db_id": "8d8ef343759b8e68e2d9c6f9b4bb29c4", "patch_ids": [], "statement_hash": "5e1a32e175a8ee471432751aeace2848eaf1e6437b25c47c0019b7989857e73d", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-0a45c4a138ef8ae3", "migration": false}, {"id": "9.0.0-f169b54674235ded", "cves": [], "html": "

\u5728 to_char() \u4e2d\u65b0\u589e\u79d1\u5b66\u8ba1\u6570\u6cd5\u652f\u6301\uff08EEEE \u89c4\u8303\uff09\uff08Pavel Stehule\u3001Brendan Jurd\uff09

", "text": "\u5728 to_char() \u4e2d\u65b0\u589e\u79d1\u5b66\u8ba1\u6570\u6cd5\u652f\u6301\uff08EEEE \u89c4\u8303\uff09\uff08Pavel Stehule\u3001Brendan Jurd\uff09", "title": "\u5728 to_char() \u4e2d\u65b0\u589e\u79d1\u5b66\u8ba1\u6570\u6cd5\u652f\u6301\uff08EEEE \u89c4\u8303\uff09", "commits": [], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8", "source_hash": "65079a8864ae30cabc2cc32162f98d706d2b46669b910d32067e9623ba7fa484", "section_path": ["\u51fd\u6570"], "commit_groups": [], "identity_text": "Add support for scientific notation in to_char() (EEEE specification) (Pavel Stehule, Brendan Jurd)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/080", "db_id": "00fa18ac56ac16f756110e72035c303e", "patch_ids": [], "statement_hash": "c786a903854b906af8d9f775e23eca61c1fd384c3c26f21e827aee781345de50", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-f169b54674235ded", "migration": false}, {"id": "9.0.0-ab3a10b1dd3716df", "cves": [], "html": "

\u8ba9 to_char() \u5728 Y\u3001YY \u548c YYY \u89c4\u8303\u4e2d\u9075\u5faa FM\uff08\u586b\u5145\u6a21\u5f0f\uff09\uff08Bruce Momjian\u3001Tom Lane\uff09

\n

YYYY \u6b64\u524d\u5df2\u9075\u5faa\u5b83\u3002

", "text": "\u8ba9 to_char() \u5728 Y\u3001YY \u548c YYY \u89c4\u8303\u4e2d\u9075\u5faa FM\uff08\u586b\u5145\u6a21\u5f0f\uff09\uff08Bruce Momjian\u3001Tom Lane\uff09 YYYY \u6b64\u524d\u5df2\u9075\u5faa\u5b83\u3002", "title": "\u8ba9 to_char() \u5728 Y\u3001YY \u548c YYY \u89c4\u8303\u4e2d\u9075\u5faa FM\uff08\u586b\u5145\u6a21\u5f0f\uff09", "commits": [], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8", "source_hash": "3c6549997f1beeb4b3985ff136ffbb8f4c8fd4a06219a1315d27cea596058fe7", "section_path": ["\u51fd\u6570"], "commit_groups": [], "identity_text": "Make to_char() honor FM (fill mode) in Y, YY, and YYY specifications (Bruce Momjian, Tom Lane) It was already honored by YYYY.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/081", "db_id": "ad8309b86613146531b4c6b58db841d6", "patch_ids": [], "statement_hash": "b61588049c663626e3d81ba2b685e4bf8a9131a4c1a563512c022b4fe058f6b4", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-ab3a10b1dd3716df", "migration": false}, {"id": "9.0.0-a3dfa35f654248d7", "cves": [], "html": "

\u4fee\u590d to_char()\uff0c\u4f7f\u5176\u5728 Windows \u4e0a\u4ee5\u6b63\u786e\u7684\u7f16\u7801\u8f93\u51fa\u672c\u5730\u5316\u7684\u6570\u5b57\u548c\u8d27\u5e01\u5b57\u7b26\u4e32\uff08Hiroshi Inoue\u3001Itagaki Takahiro\u3001Bruce Momjian\uff09

", "text": "\u4fee\u590d to_char()\uff0c\u4f7f\u5176\u5728 Windows \u4e0a\u4ee5\u6b63\u786e\u7684\u7f16\u7801\u8f93\u51fa\u672c\u5730\u5316\u7684\u6570\u5b57\u548c\u8d27\u5e01\u5b57\u7b26\u4e32\uff08Hiroshi Inoue\u3001Itagaki Takahiro\u3001Bruce Momjian\uff09", "title": "\u4fee\u590d to_char()\uff0c\u4f7f\u5176\u5728 Windows \u4e0a\u4ee5\u6b63\u786e\u7684\u7f16\u7801\u8f93\u51fa\u672c\u5730\u5316\u7684\u6570\u5b57\u548c\u8d27\u5e01\u5b57\u7b26\u4e32", "commits": [], "section": "\u51fd\u6570", "category": "bugfix", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8", "source_hash": "b84c9162ecaa762f73896c674c649a9e5109469c72e28e461308312da7df5b19", "section_path": ["\u51fd\u6570"], "commit_groups": [], "identity_text": "Fix to_char() to output localized numeric and monetary strings in the correct encoding on Windows (Hiroshi Inoue, Itagaki Takahiro, Bruce Momjian)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/082", "db_id": "4436a77713048cea7fecff1185b84364", "patch_ids": [], "statement_hash": "7fc33efcb7279feba07a15f38cd16c13b9e85dfcf79b6c9225804c3b30cc654f", "relations": [], "category_label": "BUG \u4fee\u590d", "url": "/docs/compare/?release=9.0.0#9.0.0-a3dfa35f654248d7", "migration": false}, {"id": "9.0.0-80d92ed60039b003", "cves": [], "html": "

\u4fee\u6b63\u591a\u8fb9\u5f62\u7684\u201c\u91cd\u53e0\u201d\u548c\u201c\u5305\u542b\u201d\u8fd0\u7b97\u7684\u8ba1\u7b97\uff08Teodor Sigaev\uff09

\n

\u591a\u8fb9\u5f62 &&\uff08\u91cd\u53e0\uff09\u64cd\u4f5c\u7b26\u6b64\u524d\u53ea\u68c0\u67e5\u4e24\u4e2a\u591a\u8fb9\u5f62\u7684\u8fb9\u754c\u6846\u662f\u5426\u91cd\u53e0\u3002\u73b0\u5728\u5b83\u505a\u66f4\u6b63\u786e\u7684\u68c0\u67e5\u3002\u591a\u8fb9\u5f62 @> \u548c <@\uff08\u5305\u542b/\u88ab\u5305\u542b\uff09\u64cd\u4f5c\u7b26\u6b64\u524d\u68c0\u67e5\u4e00\u4e2a\u591a\u8fb9\u5f62\u7684\u6240\u6709\u9876\u70b9\u662f\u5426\u90fd\u5305\u542b\u5728\u53e6\u4e00\u4e2a\u4e2d\uff1b\u8fd9\u5bf9\u67d0\u4e9b\u975e\u51f8\u591a\u8fb9\u5f62\u53ef\u80fd\u9519\u8bef\u5730\u62a5\u544a\u201c\u771f\u201d\u3002\u73b0\u5728\u5b83\u4eec\u68c0\u67e5\u4e00\u4e2a\u591a\u8fb9\u5f62\u7684\u6240\u6709\u7ebf\u6bb5\u90fd\u5305\u542b\u5728\u53e6\u4e00\u4e2a\u4e2d\u3002

", "text": "\u4fee\u6b63\u591a\u8fb9\u5f62\u7684\u201c\u91cd\u53e0\u201d\u548c\u201c\u5305\u542b\u201d\u8fd0\u7b97\u7684\u8ba1\u7b97\uff08Teodor Sigaev\uff09 \u591a\u8fb9\u5f62 &&\uff08\u91cd\u53e0\uff09\u64cd\u4f5c\u7b26\u6b64\u524d\u53ea\u68c0\u67e5\u4e24\u4e2a\u591a\u8fb9\u5f62\u7684\u8fb9\u754c\u6846\u662f\u5426\u91cd\u53e0\u3002\u73b0\u5728\u5b83\u505a\u66f4\u6b63\u786e\u7684\u68c0\u67e5\u3002\u591a\u8fb9\u5f62 @> \u548c <@\uff08\u5305\u542b/\u88ab\u5305\u542b\uff09\u64cd\u4f5c\u7b26\u6b64\u524d\u68c0\u67e5\u4e00\u4e2a\u591a\u8fb9\u5f62\u7684\u6240\u6709\u9876\u70b9\u662f\u5426\u90fd\u5305\u542b\u5728\u53e6\u4e00\u4e2a\u4e2d\uff1b\u8fd9\u5bf9\u67d0\u4e9b\u975e\u51f8\u591a\u8fb9\u5f62\u53ef\u80fd\u9519\u8bef\u5730\u62a5\u544a\u201c\u771f\u201d\u3002\u73b0\u5728\u5b83\u4eec\u68c0\u67e5\u4e00\u4e2a\u591a\u8fb9\u5f62\u7684\u6240\u6709\u7ebf\u6bb5\u90fd\u5305\u542b\u5728\u53e6\u4e00\u4e2a\u4e2d\u3002", "title": "\u4fee\u6b63\u591a\u8fb9\u5f62\u7684\u201c\u91cd\u53e0\u201d\u548c\u201c\u5305\u542b\u201d\u8fd0\u7b97\u7684\u8ba1\u7b97", "commits": [], "section": "\u51fd\u6570", "category": "bugfix", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8", "source_hash": "d50868a6c01314d40245d6e556b204b00f4ef0ca7b79347c497b666c84f27586", "section_path": ["\u51fd\u6570"], "commit_groups": [], "identity_text": "Correct calculations of overlaps and contains operations for polygons (Teodor Sigaev) The polygon && (overlaps) operator formerly just checked to see if the two polygons' bounding boxes overlapped. It now does a more correct check. The polygon @> and <@ (contains/contained by) operators formerly checked to see if one polygon's vertexes were all contained in the other; this can wrongly report true for some non-convex polygons. Now they check that all line segments of one polygon are contained in the other.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/083", "db_id": "347c6f66d371de97ff24886df5cf098f", "patch_ids": [], "statement_hash": "189dfb8d58cd959849847beb41f5b48b1354d288b92c0905cccff0818cc3bc9e", "relations": [], "category_label": "BUG \u4fee\u590d", "url": "/docs/compare/?release=9.0.0#9.0.0-80d92ed60039b003", "migration": false}, {"id": "9.0.0-5490dc23f6a9b0ac", "cves": [], "html": "

\u5141\u8bb8\u805a\u5408\u51fd\u6570\u4f7f\u7528 ORDER BY\uff08Andrew Gierth\uff09

\n

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", "text": "\u5141\u8bb8\u805a\u5408\u51fd\u6570\u4f7f\u7528 ORDER BY\uff08Andrew Gierth\uff09 \u4f8b\u5982\uff0c\u73b0\u5728\u652f\u6301\uff1aarray_agg(a ORDER BY b)\u3002\u8fd9\u5bf9\u8f93\u5165\u503c\u987a\u5e8f\u5f88\u91cd\u8981\u7684\u805a\u5408\u5f88\u6709\u7528\uff0c\u5e76\u6d88\u9664\u4e86\u4f7f\u7528\u975e\u6807\u51c6\u5b50\u67e5\u8be2\u6765\u786e\u5b9a\u6392\u5e8f\u7684\u9700\u8981\u3002", "title": "\u5141\u8bb8\u805a\u5408\u51fd\u6570\u4f7f\u7528 ORDER BY", "commits": [], "section": "\u51fd\u6570 / \u805a\u5408", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.3", "source_hash": "f383d2f9ca27b4ada66176419e589bca6bffeaf194a1afc9b2821e08234b7e12", "section_path": ["\u51fd\u6570", "\u805a\u5408"], "commit_groups": [], "identity_text": "Allow aggregate functions to use ORDER BY (Andrew Gierth) For example, this is now supported: array_agg(a ORDER BY b). This is useful with aggregates for which the order of input values is significant, and eliminates the need to use a nonstandard subquery to determine the ordering.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/084", "db_id": "f22e800ecadf5b2aa788112397482f97", "patch_ids": [], "statement_hash": "13c15562bb5535ab10f397391710054ff78ad50912d5ec658686364b3c0410c3", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-5490dc23f6a9b0ac", "migration": false}, {"id": "9.0.0-d9b01a5e91a87e04", "cves": [], "html": "

\u591a\u53c2\u6570\u805a\u5408\u51fd\u6570\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528 DISTINCT\uff08Andrew Gierth\uff09

", "text": "\u591a\u53c2\u6570\u805a\u5408\u51fd\u6570\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528 DISTINCT\uff08Andrew Gierth\uff09", "title": "\u591a\u53c2\u6570\u805a\u5408\u51fd\u6570\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528 DISTINCT", "commits": [], "section": "\u51fd\u6570 / \u805a\u5408", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.3", "source_hash": "9fbabf9451d5437da0fd04140ff6e7a3d902a52435b4bf9d756959dbdf704594", "section_path": ["\u51fd\u6570", "\u805a\u5408"], "commit_groups": [], "identity_text": "Multi-argument aggregate functions can now use DISTINCT (Andrew Gierth)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/085", "db_id": "24fdc056867a728e8794eb054b709d95", "patch_ids": [], "statement_hash": "a9f939471f1e8c775b8eeb8ad119221eb2c1e0fcbf4c6ffd1f3ec143fbd299c4", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-d9b01a5e91a87e04", "migration": false}, {"id": "9.0.0-77ab5ae6ce313030", "cves": [], "html": "

\u65b0\u589e\u805a\u5408\u51fd\u6570 string_agg()\uff0c\u7528\u4e8e\u628a\u503c\u7ec4\u5408\u6210\u5355\u4e2a\u5b57\u7b26\u4e32\uff08Pavel Stehule\uff09

", "text": "\u65b0\u589e\u805a\u5408\u51fd\u6570 string_agg()\uff0c\u7528\u4e8e\u628a\u503c\u7ec4\u5408\u6210\u5355\u4e2a\u5b57\u7b26\u4e32\uff08Pavel Stehule\uff09", "title": "\u65b0\u589e\u805a\u5408\u51fd\u6570 string_agg()\uff0c\u7528\u4e8e\u628a\u503c\u7ec4\u5408\u6210\u5355\u4e2a\u5b57\u7b26\u4e32", "commits": [], "section": "\u51fd\u6570 / \u805a\u5408", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.3", "source_hash": "2cc161637c6509cd9df8d12a9af121a7e308d287432ad1b1afc3029cc7670ddf", "section_path": ["\u51fd\u6570", "\u805a\u5408"], "commit_groups": [], "identity_text": "Add the string_agg() aggregate function to combine values into a single string (Pavel Stehule)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/086", "db_id": "0deceb550f87d436b9713081c1bf9d2a", "patch_ids": [], "statement_hash": "2eee3a17f2750e243eb174c33538a9130a0d52712b473f1d57dd7cc47e9a1d35", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-77ab5ae6ce313030", "migration": false}, {"id": "9.0.0-69b1d41409064e94", "cves": [], "html": "

\u5982\u679c\u805a\u5408\u8f6c\u6362\u51fd\u6570\u672a\u6807\u8bb0\u4e3a STRICT\uff0c\u4ee5 DISTINCT \u8c03\u7528\u7684\u805a\u5408\u51fd\u6570\u73b0\u5728\u4f1a\u88ab\u4f20\u9012 NULL \u503c\uff08Andrew Gierth\uff09

\n

\u4f8b\u5982\uff0cagg(DISTINCT x) \u53ef\u80fd\u4f1a\u628a NULL \u7684 x \u503c\u4f20\u9012\u7ed9 agg()\u3002\u8fd9\u4e0e\u975e DISTINCT \u60c5\u51b5\u4e0b\u7684\u884c\u4e3a\u66f4\u4e00\u81f4\u3002

", "text": "\u5982\u679c\u805a\u5408\u8f6c\u6362\u51fd\u6570\u672a\u6807\u8bb0\u4e3a STRICT\uff0c\u4ee5 DISTINCT \u8c03\u7528\u7684\u805a\u5408\u51fd\u6570\u73b0\u5728\u4f1a\u88ab\u4f20\u9012 NULL \u503c\uff08Andrew Gierth\uff09 \u4f8b\u5982\uff0cagg(DISTINCT x) \u53ef\u80fd\u4f1a\u628a NULL \u7684 x \u503c\u4f20\u9012\u7ed9 agg()\u3002\u8fd9\u4e0e\u975e DISTINCT \u60c5\u51b5\u4e0b\u7684\u884c\u4e3a\u66f4\u4e00\u81f4\u3002", "title": "\u5982\u679c\u805a\u5408\u8f6c\u6362\u51fd\u6570\u672a\u6807\u8bb0\u4e3a STRICT\uff0c\u4ee5 DISTINCT \u8c03\u7528\u7684\u805a\u5408\u51fd\u6570\u73b0\u5728\u4f1a\u88ab\u4f20\u9012 NULL \u503c", "commits": [], "section": "\u51fd\u6570 / \u805a\u5408", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.3", "source_hash": "b6943e1132f9907468e9dcccd9a9dc18a6a12080e32ffa7313fd0797653dcb09", "section_path": ["\u51fd\u6570", "\u805a\u5408"], "commit_groups": [], "identity_text": "Aggregate functions that are called with DISTINCT are now passed NULL values if the aggregate transition function is not marked as STRICT (Andrew Gierth) For example, agg(DISTINCT x) might pass a NULL x value to agg(). This is more consistent with the behavior in non-DISTINCT cases.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/087", "db_id": "cc4c10e8b984ee471b0338ffd0216127", "patch_ids": [], "statement_hash": "06af4cd04cdf0a5cc574e21f21f38ef4dac98f129f2117a28b2bb4e8b4e1d68e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-69b1d41409064e94", "migration": false}, {"id": "9.0.0-1721ae31f3cd1b05", "cves": [], "html": "

\u4e3a bit \u5b57\u7b26\u4e32\u65b0\u589e get_bit() \u548c set_bit() \u51fd\u6570\uff0c\u4e0e bytea \u7684\u5bf9\u5e94\u51fd\u6570\u4fdd\u6301\u4e00\u81f4\uff08Leonardo F\uff09

", "text": "\u4e3a bit \u5b57\u7b26\u4e32\u65b0\u589e get_bit() \u548c set_bit() \u51fd\u6570\uff0c\u4e0e bytea \u7684\u5bf9\u5e94\u51fd\u6570\u4fdd\u6301\u4e00\u81f4\uff08Leonardo F\uff09", "title": "\u4e3a bit \u5b57\u7b26\u4e32\u65b0\u589e get_bit() \u548c set_bit() \u51fd\u6570\uff0c\u4e0e bytea \u7684\u5bf9\u5e94\u51fd\u6570\u4fdd\u6301\u4e00\u81f4", "commits": [], "section": "\u51fd\u6570 / \u4f4d\u4e32", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.4", "source_hash": "675d27a04e5f62946fe80b25aa113456f66786c8032b9ffa0d7377799987eea8", "section_path": ["\u51fd\u6570", "\u4f4d\u4e32"], "commit_groups": [], "identity_text": "Add get_bit() and set_bit() functions for bit strings, mirroring those for bytea (Leonardo F)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/088", "db_id": "8ce4f3a0738f69058a98ca130c2008b9", "patch_ids": [], "statement_hash": "0e1e5b1f4fa8b061ffd38625ee2412da934b0368ac89c90e8a4ed4eb0a6cd387", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-1721ae31f3cd1b05", "migration": false}, {"id": "9.0.0-f2481ee75c74f1c1", "cves": [], "html": "

\u4e3a bit \u5b57\u7b26\u4e32\u548c bytea \u5b9e\u73b0 OVERLAY()\uff08\u66ff\u6362\uff09\uff08Leonardo F\uff09

", "text": "\u4e3a bit \u5b57\u7b26\u4e32\u548c bytea \u5b9e\u73b0 OVERLAY()\uff08\u66ff\u6362\uff09\uff08Leonardo F\uff09", "title": "\u4e3a bit \u5b57\u7b26\u4e32\u548c bytea \u5b9e\u73b0 OVERLAY()\uff08\u66ff\u6362\uff09", "commits": [], "section": "\u51fd\u6570 / \u4f4d\u4e32", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.4", "source_hash": "f3cb03d1dc31c2c43443453ab75ae235b230182855cab3d5a86d47a0e34abc3c", "section_path": ["\u51fd\u6570", "\u4f4d\u4e32"], "commit_groups": [], "identity_text": "Implement OVERLAY() (replace) for bit strings and bytea (Leonardo F)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/089", "db_id": "3c0a0473fe4a6d92115722c5c4c917c8", "patch_ids": [], "statement_hash": "889f939ea1f2a56f7a94e6c3fde624c4d0001aaaacacb6e0ccddf4b013da70c0", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-f2481ee75c74f1c1", "migration": false}, {"id": "9.0.0-d3a9dd06392092ff", "cves": [], "html": "

\u65b0\u589e pg_table_size() \u548c pg_indexes_size()\uff0c\u4e3a pg_relation_size() \u51fd\u6570\u63d0\u4f9b\u66f4\u7528\u6237\u53cb\u597d\u7684\u63a5\u53e3\uff08Bernd Helmle\uff09

", "text": "\u65b0\u589e pg_table_size() \u548c pg_indexes_size()\uff0c\u4e3a pg_relation_size() \u51fd\u6570\u63d0\u4f9b\u66f4\u7528\u6237\u53cb\u597d\u7684\u63a5\u53e3\uff08Bernd Helmle\uff09", "title": "\u65b0\u589e pg_table_size() \u548c pg_indexes_size()\uff0c\u4e3a pg_relation_size() \u51fd\u6570\u63d0\u4f9b\u66f4\u7528\u6237\u53cb\u597d\u7684\u63a5\u53e3", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.5", "source_hash": "d4197b3c408e2a10e107a1fc14df0a47463fe8f1fe948c263d178ade9a0fde03", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Add pg_table_size() and pg_indexes_size() to provide a more user-friendly interface to the pg_relation_size() function (Bernd Helmle)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/090", "db_id": "f6ff97fea99497995e971d2fc5acff85", "patch_ids": [], "statement_hash": "721d6fe639818be5630ae9a53dfc31f7a06c69b3dfbcb5e7fb0789a5c5382410", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-d3a9dd06392092ff", "migration": false}, {"id": "9.0.0-8806dd0afc025826", "cves": [], "html": "

\u65b0\u589e\u7528\u4e8e\u5e8f\u5217\u6743\u9650\u68c0\u67e5\u7684 has_sequence_privilege()\uff08Abhijit Menon-Sen\uff09

", "text": "\u65b0\u589e\u7528\u4e8e\u5e8f\u5217\u6743\u9650\u68c0\u67e5\u7684 has_sequence_privilege()\uff08Abhijit Menon-Sen\uff09", "title": "\u65b0\u589e\u7528\u4e8e\u5e8f\u5217\u6743\u9650\u68c0\u67e5\u7684 has_sequence_privilege()", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.5", "source_hash": "7ddfb65f64cf454ae9e3d4b8565d7dbc3a8c40f0161c4224204b21e1ab86bd90", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Add has_sequence_privilege() for sequence permission checking (Abhijit Menon-Sen)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/091", "db_id": "458b97385020e20114c70d047c541299", "patch_ids": [], "statement_hash": "f3f3c7a8aaec42c5f8736023ae78ee33a80f79dd10c29b367f41a5a58ac6fbc5", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-8806dd0afc025826", "migration": false}, {"id": "9.0.0-db781a2b876e1af9", "cves": [], "html": "

\u66f4\u65b0 information_schema \u89c6\u56fe\u4ee5\u7b26\u5408 SQL:2008\uff08Peter Eisentraut\uff09

", "text": "\u66f4\u65b0 information_schema \u89c6\u56fe\u4ee5\u7b26\u5408 SQL:2008\uff08Peter Eisentraut\uff09", "title": "\u66f4\u65b0 information_schema \u89c6\u56fe\u4ee5\u7b26\u5408 SQL:2008", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.5", "source_hash": "faaa08568475998e32791f40f192caa845e1f036be3ee7d2fdf23849a1d7190f", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Update the information_schema views to conform to SQL:2008 (Peter Eisentraut)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/092", "db_id": "06e36f8a7ad8b3f7f9e90f4c1534855d", "patch_ids": [], "statement_hash": "68a96cecf13cef29b9218232c1593c6d0cd85c4a4187c06d4d9f621a8921c885", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-db781a2b876e1af9", "migration": false}, {"id": "9.0.0-fdaf8b5afcc48e4b", "cves": [], "html": "

\u8ba9 information_schema \u89c6\u56fe\u6b63\u786e\u663e\u793a char \u548c varchar \u5217\u7684\u6700\u5927\u516b\u4f4d\u5b57\u8282\u957f\u5ea6\uff08Peter Eisentraut\uff09

", "text": "\u8ba9 information_schema \u89c6\u56fe\u6b63\u786e\u663e\u793a char \u548c varchar \u5217\u7684\u6700\u5927\u516b\u4f4d\u5b57\u8282\u957f\u5ea6\uff08Peter Eisentraut\uff09", "title": "\u8ba9 information_schema \u89c6\u56fe\u6b63\u786e\u663e\u793a char \u548c varchar \u5217\u7684\u6700\u5927\u516b\u4f4d\u5b57\u8282\u957f\u5ea6", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.5", "source_hash": "bb4b0f74921906871f148c49f0dd29c0ca7eeaf898cbf070e391c57008e90975", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Make the information_schema views correctly display maximum octet lengths for char and varchar columns (Peter Eisentraut)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/093", "db_id": "5e5fffb785f1c1dcdb26140ae851bfe0", "patch_ids": [], "statement_hash": "84531eb89332e7b64d9f7abfe0b8ad39b7e0a1f73565c424cd3a73c081b9e0f0", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-fdaf8b5afcc48e4b", "migration": false}, {"id": "9.0.0-8310c00e45b86f06", "cves": [], "html": "

\u52a0\u901f information_schema \u6743\u9650\u89c6\u56fe\uff08Joachim Wieland\uff09

", "text": "\u52a0\u901f information_schema \u6743\u9650\u89c6\u56fe\uff08Joachim Wieland\uff09", "title": "\u52a0\u901f information_schema \u6743\u9650\u89c6\u56fe", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "performance", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.5", "source_hash": "70aa91074d4d2767808a6c73f42eb0583a1102fb4c0c51a24d364d3b12ce85e9", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Speed up information_schema privilege views (Joachim Wieland)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/094", "db_id": "ba0b65f9a93ee2447abf47bc683315d1", "patch_ids": [], "statement_hash": "ebe2c8d69e6b31f8eaf24c35f7f00136ebf90c06bd5178833fdf273e5d18b3ac", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=9.0.0#9.0.0-8310c00e45b86f06", "migration": false}, {"id": "9.0.0-1a74ca01bd533149", "cves": [], "html": "

\u652f\u6301\u4f7f\u7528 DO \u8bed\u53e5\u6267\u884c\u533f\u540d\u4ee3\u7801\u5757\uff08Petr Jelinek\u3001Joshua Tolley\u3001Hannu Valtonen\uff09

\n

\u8fd9\u5141\u8bb8\u6267\u884c\u670d\u52a1\u5668\u7aef\u4ee3\u7801\u800c\u65e0\u9700\u521b\u5efa\u548c\u5220\u9664\u4e34\u65f6\u51fd\u6570\u5b9a\u4e49\u3002\u53ef\u4ee5\u7528\u7528\u6237\u6709\u6743\u5b9a\u4e49\u51fd\u6570\u7684\u4efb\u4f55\u8bed\u8a00\u6267\u884c\u4ee3\u7801\u3002

", "text": "\u652f\u6301\u4f7f\u7528 DO \u8bed\u53e5\u6267\u884c\u533f\u540d\u4ee3\u7801\u5757\uff08Petr Jelinek\u3001Joshua Tolley\u3001Hannu Valtonen\uff09 \u8fd9\u5141\u8bb8\u6267\u884c\u670d\u52a1\u5668\u7aef\u4ee3\u7801\u800c\u65e0\u9700\u521b\u5efa\u548c\u5220\u9664\u4e34\u65f6\u51fd\u6570\u5b9a\u4e49\u3002\u53ef\u4ee5\u7528\u7528\u6237\u6709\u6743\u5b9a\u4e49\u51fd\u6570\u7684\u4efb\u4f55\u8bed\u8a00\u6267\u884c\u4ee3\u7801\u3002", "title": "\u652f\u6301\u4f7f\u7528 DO \u8bed\u53e5\u6267\u884c\u533f\u540d\u4ee3\u7801\u5757", "commits": [], "section": "\u51fd\u6570 / \u51fd\u6570\u548c\u89e6\u53d1\u5668\u521b\u5efa", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.6", "source_hash": "72116b9e6efc602fe37721f6c0f9c8bfc66833d45676450aec19d98cb1e44e09", "section_path": ["\u51fd\u6570", "\u51fd\u6570\u548c\u89e6\u53d1\u5668\u521b\u5efa"], "commit_groups": [], "identity_text": "Support execution of anonymous code blocks using the DO statement (Petr Jelinek, Joshua Tolley, Hannu Valtonen) This allows execution of server-side code without the need to create and delete a temporary function definition. Code can be executed in any language for which the user has permissions to define a function.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/095", "db_id": "a981b58b449b49eb08d3c43218eaaa0c", "patch_ids": [], "statement_hash": "06015db8ee9e8cc42b970feed44423d98db7b7144fe1b409781ccaf32e600e54", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-1a74ca01bd533149", "migration": false}, {"id": "9.0.0-a27d49cc73c7b076", "cves": [], "html": "

\u5b9e\u73b0\u7b26\u5408 SQL \u6807\u51c6\u7684\u9010\u5217\u89e6\u53d1\u5668\uff08Itagaki Takahiro\uff09

\n

\u8fd9\u7c7b\u89e6\u53d1\u5668\u53ea\u5728\u6307\u5b9a\u5217\u53d7\u67e5\u8be2\u5f71\u54cd\uff08\u4f8b\u5982\u51fa\u73b0\u5728 UPDATE \u7684 SET \u5217\u8868\u4e2d\uff09\u65f6\u89e6\u53d1\u3002

", "text": "\u5b9e\u73b0\u7b26\u5408 SQL \u6807\u51c6\u7684\u9010\u5217\u89e6\u53d1\u5668\uff08Itagaki Takahiro\uff09 \u8fd9\u7c7b\u89e6\u53d1\u5668\u53ea\u5728\u6307\u5b9a\u5217\u53d7\u67e5\u8be2\u5f71\u54cd\uff08\u4f8b\u5982\u51fa\u73b0\u5728 UPDATE \u7684 SET \u5217\u8868\u4e2d\uff09\u65f6\u89e6\u53d1\u3002", "title": "\u5b9e\u73b0\u7b26\u5408 SQL \u6807\u51c6\u7684\u9010\u5217\u89e6\u53d1\u5668", "commits": [], "section": "\u51fd\u6570 / \u51fd\u6570\u548c\u89e6\u53d1\u5668\u521b\u5efa", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.6", "source_hash": "35d199c7fb45683eb0654b790f6e9311b94a81b3ff158d02984b31ffe1cceeb1", "section_path": ["\u51fd\u6570", "\u51fd\u6570\u548c\u89e6\u53d1\u5668\u521b\u5efa"], "commit_groups": [], "identity_text": "Implement SQL-standard-compliant per-column triggers (Itagaki Takahiro) Such triggers are fired only when the specified column(s) are affected by the query, e.g. appear in an UPDATE's SET list.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/096", "db_id": "b41a947a577570b3ccebf6e3ba7a52d6", "patch_ids": [], "statement_hash": "286e25158a71f9ae5e0826a00b3db15e1479d603e38b0b7f6c8f1b8b5a67d065", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-a27d49cc73c7b076", "migration": false}, {"id": "9.0.0-b9bd89a176cb0871", "cves": [], "html": "

\u4e3a CREATE TRIGGER \u65b0\u589e WHEN \u5b50\u53e5\uff0c\u5141\u8bb8\u63a7\u5236\u89e6\u53d1\u5668\u662f\u5426\u89e6\u53d1\uff08Itagaki Takahiro\uff09

\n

\u867d\u7136\u540c\u7c7b\u68c0\u67e5\u603b\u662f\u53ef\u4ee5\u5728\u89e6\u53d1\u5668\u5185\u90e8\u6267\u884c\uff0c\u4f46\u5728\u5916\u90e8 WHEN \u5b50\u53e5\u4e2d\u6267\u884c\u53ef\u80fd\u6709\u6027\u80fd\u6536\u76ca\u3002

", "text": "\u4e3a CREATE TRIGGER \u65b0\u589e WHEN \u5b50\u53e5\uff0c\u5141\u8bb8\u63a7\u5236\u89e6\u53d1\u5668\u662f\u5426\u89e6\u53d1\uff08Itagaki Takahiro\uff09 \u867d\u7136\u540c\u7c7b\u68c0\u67e5\u603b\u662f\u53ef\u4ee5\u5728\u89e6\u53d1\u5668\u5185\u90e8\u6267\u884c\uff0c\u4f46\u5728\u5916\u90e8 WHEN \u5b50\u53e5\u4e2d\u6267\u884c\u53ef\u80fd\u6709\u6027\u80fd\u6536\u76ca\u3002", "title": "\u4e3a CREATE TRIGGER \u65b0\u589e WHEN \u5b50\u53e5\uff0c\u5141\u8bb8\u63a7\u5236\u89e6\u53d1\u5668\u662f\u5426\u89e6\u53d1", "commits": [], "section": "\u51fd\u6570 / \u51fd\u6570\u548c\u89e6\u53d1\u5668\u521b\u5efa", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.8.6", "source_hash": "736d2e020fc2699a8b4ca75d449979a71649ef810140cece6cf59cf9b8d2b69d", "section_path": ["\u51fd\u6570", "\u51fd\u6570\u548c\u89e6\u53d1\u5668\u521b\u5efa"], "commit_groups": [], "identity_text": "Add the WHEN clause to CREATE TRIGGER to allow control over whether a trigger is fired (Itagaki Takahiro) While the same type of check can always be performed inside the trigger, doing it in an external WHEN clause can have performance benefits.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/097", "db_id": "bdf4f6544c9d99f824b22d88f80a89cb", "patch_ids": [], "statement_hash": "b7e4a4efb0fd89745d6d6c0f6c1138809214c316a41a7c3fd34169083a0127c9", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-b9bd89a176cb0871", "migration": false}, {"id": "9.0.0-d964bbc59313bfdb", "cves": [], "html": "

\u4e3a CREATE LANGUAGE \u65b0\u589e OR REPLACE \u5b50\u53e5\uff08Tom Lane\uff09

\n

\u8fd9\u6709\u52a9\u4e8e\u5728\u8bed\u8a00\u5c1a\u4e0d\u5b58\u5728\u65f6\u9009\u62e9\u6027\u5730\u5b89\u88c5\u5b83\uff0c\u800c\u4e14\u5728 PL/pgSQL \u9ed8\u8ba4\u5b89\u88c5\u7684\u73b0\u5728\u7279\u522b\u6709\u7528\u3002

", "text": "\u4e3a CREATE LANGUAGE \u65b0\u589e OR REPLACE \u5b50\u53e5\uff08Tom Lane\uff09 \u8fd9\u6709\u52a9\u4e8e\u5728\u8bed\u8a00\u5c1a\u4e0d\u5b58\u5728\u65f6\u9009\u62e9\u6027\u5730\u5b89\u88c5\u5b83\uff0c\u800c\u4e14\u5728 PL/pgSQL \u9ed8\u8ba4\u5b89\u88c5\u7684\u73b0\u5728\u7279\u522b\u6709\u7528\u3002", "title": "\u4e3a CREATE LANGUAGE \u65b0\u589e OR REPLACE \u5b50\u53e5", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9", "source_hash": "9363a55d3dd3b14a7a30503421d59eb1f9226fd10ce6d765796647121675f7dd", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00"], "commit_groups": [], "identity_text": "Add the OR REPLACE clause to CREATE LANGUAGE (Tom Lane) This is helpful to optionally install a language if it does not already exist, and is particularly helpful now that PL/pgSQL is installed by default.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/098", "db_id": "8259d5f074a15c5e0acf049b0b44136e", "patch_ids": [], "statement_hash": "4e588f3fb08afa61a52ada208c42bdf1b9b7e1349ecac4fdf214cd2602fb230d", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-d964bbc59313bfdb", "migration": false}, {"id": "9.0.0-0ce38c1ba1e68632", "cves": [], "html": "

\u9ed8\u8ba4\u5b89\u88c5 PL/pgSQL\uff08Bruce Momjian\uff09

\n

\u5982\u679c\u7ba1\u7406\u5458\u5bf9\u5176\u53ef\u7528\u6027\u6709\u5b89\u5168\u6216\u6027\u80fd\u65b9\u9762\u7684\u987e\u8651\uff0c\u4ecd\u53ef\u4ee5\u628a\u5b83\u4ece\u7279\u5b9a\u6570\u636e\u5e93\u4e2d\u79fb\u9664\u3002

", "text": "\u9ed8\u8ba4\u5b89\u88c5 PL/pgSQL\uff08Bruce Momjian\uff09 \u5982\u679c\u7ba1\u7406\u5458\u5bf9\u5176\u53ef\u7528\u6027\u6709\u5b89\u5168\u6216\u6027\u80fd\u65b9\u9762\u7684\u987e\u8651\uff0c\u4ecd\u53ef\u4ee5\u628a\u5b83\u4ece\u7279\u5b9a\u6570\u636e\u5e93\u4e2d\u79fb\u9664\u3002", "title": "\u9ed8\u8ba4\u5b89\u88c5 PL/pgSQL", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "83c9ade3d9ad182b0820a17cdad2ae05d6cd3f9b6087ffd2092fc38c780fefa0", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Install PL/pgSQL by default (Bruce Momjian) The language can still be removed from a particular database if the administrator has security or performance concerns about making it available.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/099", "db_id": "2e15c275f7e183a4c0f475f3f259c76e", "patch_ids": [], "statement_hash": "c6d5dc37fec1e01d0fb3e11b3408d3f93233bac552690f9afd484d33c51967a8", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-0ce38c1ba1e68632", "migration": false}, {"id": "9.0.0-492fdbd713a18a65", "cves": [], "html": "

\u6539\u8fdb\u5bf9 PL/pgSQL \u53d8\u91cf\u540d\u4e0e\u51fd\u6570\u5185\u67e5\u8be2\u6240\u7528\u6807\u8bc6\u7b26\u51b2\u7a81\u60c5\u51b5\u7684\u5904\u7406\uff08Tom Lane\uff09

\n

\u73b0\u5728\u7684\u9ed8\u8ba4\u884c\u4e3a\u662f\u5728\u5b58\u5728\u51b2\u7a81\u65f6\u629b\u51fa\u9519\u8bef\uff0c\u4ee5\u907f\u514d\u4ee4\u4eba\u60ca\u8bb6\u7684\u884c\u4e3a\u3002\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u53c2\u6570 plpgsql.variable_conflict \u6216\u9010\u51fd\u6570\u9009\u9879 #variable_conflict \u4fee\u6539\u5b83\uff0c\u5141\u8bb8\u4f7f\u7528\u53d8\u91cf\u6216\u67e5\u8be2\u63d0\u4f9b\u7684\u5217\u3002\u65e0\u8bba\u5982\u4f55\uff0cPL/pgSQL \u4e0d\u518d\u5c1d\u8bd5\u5728\u8bed\u6cd5\u4e0a\u65e0\u6548\u7684\u4f4d\u7f6e\u66ff\u6362\u53d8\u91cf\u3002

", "text": "\u6539\u8fdb\u5bf9 PL/pgSQL \u53d8\u91cf\u540d\u4e0e\u51fd\u6570\u5185\u67e5\u8be2\u6240\u7528\u6807\u8bc6\u7b26\u51b2\u7a81\u60c5\u51b5\u7684\u5904\u7406\uff08Tom Lane\uff09 \u73b0\u5728\u7684\u9ed8\u8ba4\u884c\u4e3a\u662f\u5728\u5b58\u5728\u51b2\u7a81\u65f6\u629b\u51fa\u9519\u8bef\uff0c\u4ee5\u907f\u514d\u4ee4\u4eba\u60ca\u8bb6\u7684\u884c\u4e3a\u3002\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u53c2\u6570 plpgsql.variable_conflict \u6216\u9010\u51fd\u6570\u9009\u9879 #variable_conflict \u4fee\u6539\u5b83\uff0c\u5141\u8bb8\u4f7f\u7528\u53d8\u91cf\u6216\u67e5\u8be2\u63d0\u4f9b\u7684\u5217\u3002\u65e0\u8bba\u5982\u4f55\uff0cPL/pgSQL \u4e0d\u518d\u5c1d\u8bd5\u5728\u8bed\u6cd5\u4e0a\u65e0\u6548\u7684\u4f4d\u7f6e\u66ff\u6362\u53d8\u91cf\u3002", "title": "\u6539\u8fdb\u5bf9 PL/pgSQL \u53d8\u91cf\u540d\u4e0e\u51fd\u6570\u5185\u67e5\u8be2\u6240\u7528\u6807\u8bc6\u7b26\u51b2\u7a81\u60c5\u51b5\u7684\u5904\u7406", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "df6829983afa73e14ee9a36ebb278245f42939d96f71c16524f88b21dfb0d039", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Improve handling of cases where PL/pgSQL variable names conflict with identifiers used in queries within a function (Tom Lane) The default behavior is now to throw an error when there is a conflict, so as to avoid surprising behaviors. This can be modified, via the configuration parameter plpgsql.variable_conflict or the per-function option #variable_conflict, to allow either the variable or the query-supplied column to be used. In any case PL/pgSQL will no longer attempt to substitute variables in places where they would not be syntactically valid.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/100", "db_id": "8b53d611e2f1f2c2aa041f7d58cbd474", "patch_ids": [], "statement_hash": "fe5ab152153ac4fba69bc3e53b4a3a99ec9498812e9df516abf972c4a16ae23b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-492fdbd713a18a65", "migration": false}, {"id": "9.0.0-24983f93c5a4b0d4", "cves": [], "html": "

\u8ba9 PL/pgSQL \u4f7f\u7528\u4e3b\u8bcd\u6cd5\u5206\u6790\u5668\u800c\u4e0d\u662f\u81ea\u5df1\u7684\u7248\u672c\uff08Tom Lane\uff09

\n

\u8fd9\u786e\u4fdd\u4e86\u5bf9\u4e3b\u7cfb\u7edf\u884c\u4e3a\uff08\u5982\u5b57\u7b26\u4e32\u8f6c\u4e49\u7b49\u7ec6\u8282\uff09\u7684\u51c6\u786e\u8ddf\u8e2a\u3002\u4e00\u4e9b\u7528\u6237\u53ef\u89c1\u7684\u7ec6\u8282\uff08\u4f8b\u5982 PL/pgSQL \u4e2d\u88ab\u89c6\u4e3a\u4fdd\u7559\u7684\u5173\u952e\u5b57\u96c6\u5408\uff09\u56e0\u6b64\u800c\u6539\u53d8\u3002

", "text": "\u8ba9 PL/pgSQL \u4f7f\u7528\u4e3b\u8bcd\u6cd5\u5206\u6790\u5668\u800c\u4e0d\u662f\u81ea\u5df1\u7684\u7248\u672c\uff08Tom Lane\uff09 \u8fd9\u786e\u4fdd\u4e86\u5bf9\u4e3b\u7cfb\u7edf\u884c\u4e3a\uff08\u5982\u5b57\u7b26\u4e32\u8f6c\u4e49\u7b49\u7ec6\u8282\uff09\u7684\u51c6\u786e\u8ddf\u8e2a\u3002\u4e00\u4e9b\u7528\u6237\u53ef\u89c1\u7684\u7ec6\u8282\uff08\u4f8b\u5982 PL/pgSQL \u4e2d\u88ab\u89c6\u4e3a\u4fdd\u7559\u7684\u5173\u952e\u5b57\u96c6\u5408\uff09\u56e0\u6b64\u800c\u6539\u53d8\u3002", "title": "\u8ba9 PL/pgSQL \u4f7f\u7528\u4e3b\u8bcd\u6cd5\u5206\u6790\u5668\u800c\u4e0d\u662f\u81ea\u5df1\u7684\u7248\u672c", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "282fab6982122823493e2f8bf8cc51fb61d640d3cdf2f35ac787cc9523be0481", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Make PL/pgSQL use the main lexer, rather than its own version (Tom Lane) This ensures accurate tracking of the main system's behavior for details such as string escaping. Some user-visible details, such as the set of keywords considered reserved in PL/pgSQL, have changed in consequence.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/101", "db_id": "2800ce58534c89db8c1ed2079b7e27ca", "patch_ids": [], "statement_hash": "e7c848d2692bcfe3eb36b3e654bf71c2b9b54a1dfc662400f396cf626be1f751", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-24983f93c5a4b0d4", "migration": false}, {"id": "9.0.0-c1135ce91c526278", "cves": [], "html": "

\u907f\u514d\u5bf9\u65e0\u6548\u7684\u8bb0\u5f55\u5f15\u7528\u629b\u51fa\u4e0d\u5fc5\u8981\u7684\u9519\u8bef\uff08Tom Lane\uff09

\n

\u73b0\u5728\u53ea\u6709\u5f53\u5f15\u7528\u5b9e\u9645\u88ab\u83b7\u53d6\u65f6\u624d\u629b\u51fa\u9519\u8bef\uff0c\u800c\u4e0d\u662f\u5728\u5230\u8fbe\u5916\u5c42\u8868\u8fbe\u5f0f\u65f6\u5c31\u629b\u51fa\u3002\u4f8b\u5982\uff0c\u8bb8\u591a\u4eba\u66fe\u5728\u89e6\u53d1\u5668\u4e2d\u5c1d\u8bd5\u8fd9\u6837\u505a\uff1a

\n
 if TG_OP = 'INSERT' and NEW.col1 = ... then \n
\n

\u8fd9\u73b0\u5728\u5c06\u6309\u9884\u671f\u5de5\u4f5c\u3002

", "text": "\u907f\u514d\u5bf9\u65e0\u6548\u7684\u8bb0\u5f55\u5f15\u7528\u629b\u51fa\u4e0d\u5fc5\u8981\u7684\u9519\u8bef\uff08Tom Lane\uff09 \u73b0\u5728\u53ea\u6709\u5f53\u5f15\u7528\u5b9e\u9645\u88ab\u83b7\u53d6\u65f6\u624d\u629b\u51fa\u9519\u8bef\uff0c\u800c\u4e0d\u662f\u5728\u5230\u8fbe\u5916\u5c42\u8868\u8fbe\u5f0f\u65f6\u5c31\u629b\u51fa\u3002\u4f8b\u5982\uff0c\u8bb8\u591a\u4eba\u66fe\u5728\u89e6\u53d1\u5668\u4e2d\u5c1d\u8bd5\u8fd9\u6837\u505a\uff1a if TG_OP = 'INSERT' and NEW.col1 = ... then \u8fd9\u73b0\u5728\u5c06\u6309\u9884\u671f\u5de5\u4f5c\u3002", "title": "\u907f\u514d\u5bf9\u65e0\u6548\u7684\u8bb0\u5f55\u5f15\u7528\u629b\u51fa\u4e0d\u5fc5\u8981\u7684\u9519\u8bef", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "7c1b08b0224798d1031b58562fdcde9c908db4a9b605a527fab4ba9878673aba", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Avoid throwing an unnecessary error for an invalid record reference (Tom Lane) An error is now thrown only if the reference is actually fetched, rather than whenever the enclosing expression is reached. For example, many people have tried to do this in triggers: if TG_OP = 'INSERT' and NEW.col1 = ... then This will now actually work as expected.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/102", "db_id": "e30758a8fc4cd36e74db9e0fc01e2f10", "patch_ids": [], "statement_hash": "d6605ef34f6f2882c454c00b153d714f1cb80855a6db0b8a05da8f55f5ef8d01", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-c1135ce91c526278", "migration": false}, {"id": "9.0.0-4d657bc33f977817", "cves": [], "html": "

\u6539\u8fdb PL/pgSQL \u5904\u7406\u5e26\u5df2\u5220\u9664\u5217\u7684\u884c\u7c7b\u578b\u7684\u80fd\u529b\uff08Pavel Stehule\uff09

", "text": "\u6539\u8fdb PL/pgSQL \u5904\u7406\u5e26\u5df2\u5220\u9664\u5217\u7684\u884c\u7c7b\u578b\u7684\u80fd\u529b\uff08Pavel Stehule\uff09", "title": "\u6539\u8fdb PL/pgSQL \u5904\u7406\u5e26\u5df2\u5220\u9664\u5217\u7684\u884c\u7c7b\u578b\u7684\u80fd\u529b", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "0090995390666938acdf152716b1ba0e01c3ac28d1ce93022b7223495321c3f3", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Improve PL/pgSQL's ability to handle row types with dropped columns (Pavel Stehule)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/103", "db_id": "6102d1fc43588dc4fcb321e17bc03f76", "patch_ids": [], "statement_hash": "67c5aed85f8a84e4df8e342ce734b6e8e39fe73455e93095674fdbdac66c55a1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-4d657bc33f977817", "migration": false}, {"id": "9.0.0-088860ef5a5bc5f0", "cves": [], "html": "

\u5141\u8bb8\u5728 PL/pgSQL \u51fd\u6570\u5185\u4e3a\u8f93\u5165\u53c2\u6570\u8d4b\u503c\uff08Steve Prentice\uff09

\n

\u6b64\u524d\u8f93\u5165\u53c2\u6570\u88ab\u89c6\u4e3a\u58f0\u660e\u4e3a CONST\uff0c\u56e0\u6b64\u51fd\u6570\u4ee3\u7801\u4e0d\u80fd\u66f4\u6539\u5b83\u4eec\u7684\u503c\u3002\u6b64\u9650\u5236\u5df2\u88ab\u79fb\u9664\uff0c\u4ee5\u7b80\u5316\u4ece\u6ca1\u6709\u7b49\u6548\u9650\u5236\u7684\u5176\u4ed6 DBMS \u79fb\u690d\u51fd\u6570\u3002\u8f93\u5165\u53c2\u6570\u73b0\u5728\u5c31\u50cf\u521d\u59cb\u5316\u4e3a\u4f20\u5165\u503c\u7684\u5c40\u90e8\u53d8\u91cf\u3002

", "text": "\u5141\u8bb8\u5728 PL/pgSQL \u51fd\u6570\u5185\u4e3a\u8f93\u5165\u53c2\u6570\u8d4b\u503c\uff08Steve Prentice\uff09 \u6b64\u524d\u8f93\u5165\u53c2\u6570\u88ab\u89c6\u4e3a\u58f0\u660e\u4e3a CONST\uff0c\u56e0\u6b64\u51fd\u6570\u4ee3\u7801\u4e0d\u80fd\u66f4\u6539\u5b83\u4eec\u7684\u503c\u3002\u6b64\u9650\u5236\u5df2\u88ab\u79fb\u9664\uff0c\u4ee5\u7b80\u5316\u4ece\u6ca1\u6709\u7b49\u6548\u9650\u5236\u7684\u5176\u4ed6 DBMS \u79fb\u690d\u51fd\u6570\u3002\u8f93\u5165\u53c2\u6570\u73b0\u5728\u5c31\u50cf\u521d\u59cb\u5316\u4e3a\u4f20\u5165\u503c\u7684\u5c40\u90e8\u53d8\u91cf\u3002", "title": "\u5141\u8bb8\u5728 PL/pgSQL \u51fd\u6570\u5185\u4e3a\u8f93\u5165\u53c2\u6570\u8d4b\u503c", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "ae66c40f963d12b74c33b545bb4460ba4cddbc361fc1f6cde8da95ddc49de34d", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Allow input parameters to be assigned values within PL/pgSQL functions (Steve Prentice) Formerly, input parameters were treated as being declared CONST, so the function's code could not change their values. This restriction has been removed to simplify porting of functions from other DBMSes that do not impose the equivalent restriction. An input parameter now acts like a local variable initialized to the passed-in value.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/104", "db_id": "b002d77a3561e91809bebb795e2f3870", "patch_ids": [], "statement_hash": "844c1e507a9d9bc8e87fd5649aa2792ccf65745495f35232f7f4634b17690d1e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-088860ef5a5bc5f0", "migration": false}, {"id": "9.0.0-264f4d55c03fad88", "cves": [], "html": "

\u6539\u8fdb PL/pgSQL \u7684\u9519\u8bef\u4f4d\u7f6e\u62a5\u544a\uff08Tom Lane\uff09

", "text": "\u6539\u8fdb PL/pgSQL \u7684\u9519\u8bef\u4f4d\u7f6e\u62a5\u544a\uff08Tom Lane\uff09", "title": "\u6539\u8fdb PL/pgSQL \u7684\u9519\u8bef\u4f4d\u7f6e\u62a5\u544a", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "0e5cce37a14b2dcdba5d20b9e268cfe3540e9e8acd6ea582256d0dbfc2dfb37c", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Improve error location reporting in PL/pgSQL (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/105", "db_id": "a9318e03ed070797f7a11780c0e7afcf", "patch_ids": [], "statement_hash": "6d9a636525230afbd2d5f57d30bd390288919625028b4d8377f11089d3049190", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-264f4d55c03fad88", "migration": false}, {"id": "9.0.0-72ef1a7d5d7384d0", "cves": [], "html": "

\u4e3a PL/pgSQL \u7684 MOVE FORWARD/BACKWARD \u65b0\u589e count \u548c ALL \u9009\u9879\uff08Pavel Stehule\uff09

", "text": "\u4e3a PL/pgSQL \u7684 MOVE FORWARD/BACKWARD \u65b0\u589e count \u548c ALL \u9009\u9879\uff08Pavel Stehule\uff09", "title": "\u4e3a PL/pgSQL \u7684 MOVE FORWARD/BACKWARD \u65b0\u589e count \u548c ALL \u9009\u9879", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "9b7d73f151a8fe0d75f95701275735e6e3af38ea045813888a99a731cc7fde0a", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Add count and ALL options to MOVE FORWARD/BACKWARD in PL/pgSQL (Pavel Stehule)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/106", "db_id": "3a0d26fec821a61cfbbe9b8117fdeb3a", "patch_ids": [], "statement_hash": "6ed6c0112267bb9a186a48a4cc8e91b443518efdda731c048a9fda454023c4c0", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-72ef1a7d5d7384d0", "migration": false}, {"id": "9.0.0-8cba82b8d1238137", "cves": [], "html": "

\u5141\u8bb8 PL/pgSQL \u7684 WHERE CURRENT OF \u4f7f\u7528\u6e38\u6807\u53d8\u91cf\uff08Tom Lane\uff09

", "text": "\u5141\u8bb8 PL/pgSQL \u7684 WHERE CURRENT OF \u4f7f\u7528\u6e38\u6807\u53d8\u91cf\uff08Tom Lane\uff09", "title": "\u5141\u8bb8 PL/pgSQL \u7684 WHERE CURRENT OF \u4f7f\u7528\u6e38\u6807\u53d8\u91cf", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "a7c57be26d106d80f2031180dcafc5038ddc6304b871412bac95040f42902a50", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Allow PL/pgSQL's WHERE CURRENT OF to use a cursor variable (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/107", "db_id": "b3e4430bbafcb105ba7780a1f4fc5692", "patch_ids": [], "statement_hash": "598639dfe94b492c2ade44fa8ff4574e985c387a922640f0b07deb5b117eac0e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-8cba82b8d1238137", "migration": false}, {"id": "9.0.0-0a664f899fb6c950", "cves": [], "html": "

\u5141\u8bb8 PL/pgSQL \u7684 OPEN cursor FOR EXECUTE \u4f7f\u7528\u53c2\u6570\uff08Pavel Stehule\u3001Itagaki Takahiro\uff09

\n

\u8fd9\u901a\u8fc7\u65b0\u7684 USING \u5b50\u53e5\u5b9e\u73b0\u3002

", "text": "\u5141\u8bb8 PL/pgSQL \u7684 OPEN cursor FOR EXECUTE \u4f7f\u7528\u53c2\u6570\uff08Pavel Stehule\u3001Itagaki Takahiro\uff09 \u8fd9\u901a\u8fc7\u65b0\u7684 USING \u5b50\u53e5\u5b9e\u73b0\u3002", "title": "\u5141\u8bb8 PL/pgSQL \u7684 OPEN cursor FOR EXECUTE \u4f7f\u7528\u53c2\u6570", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.3", "source_hash": "b0d2e815ff4909ed76f7e613e907fe4a3c80b338fe6bf6535a13a45870132720", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Allow PL/pgSQL's OPEN cursor FOR EXECUTE to use parameters (Pavel Stehule, Itagaki Takahiro) This is accomplished with a new USING clause.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/108", "db_id": "5a7bd7bf1a962c69aadd8cd5597bcb5f", "patch_ids": [], "statement_hash": "3873807a096bb2009d00734df021add21deb27de747ccf3c30be96ff1f4f6259", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-0a664f899fb6c950", "migration": false}, {"id": "9.0.0-660cc95dfde8a973", "cves": [], "html": "

\u65b0\u589e PL/Perl \u51fd\u6570\uff1aquote_literal()\u3001quote_nullable()\u3001quote_ident()\u3001encode_bytea()\u3001decode_bytea()\u3001looks_like_number()\u3001encode_array_literal()\u3001encode_array_constructor()\uff08Tim Bunce\uff09

", "text": "\u65b0\u589e PL/Perl \u51fd\u6570\uff1aquote_literal()\u3001quote_nullable()\u3001quote_ident()\u3001encode_bytea()\u3001decode_bytea()\u3001looks_like_number()\u3001encode_array_literal()\u3001encode_array_constructor()\uff08Tim Bunce\uff09", "title": "\u65b0\u589e PL/Perl \u51fd\u6570\uff1aquote_literal()\u3001quote_nullable()\u3001quote_ident()\u3001encode_bytea()\u3001decode_bytea()\u3001looks_like_number()\u3001encode_array_literal()\u3001encode_array_constructor()", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/Perl Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.4", "source_hash": "18803bd5841a25627d44ba953bc0f99a8fcc5c7afae7f04a8f20c4181a0bc055", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/Perl Server-Side Language"], "commit_groups": [], "identity_text": "Add new PL/Perl functions: quote_literal(), quote_nullable(), quote_ident(), encode_bytea(), decode_bytea(), looks_like_number(), encode_array_literal(), encode_array_constructor() (Tim Bunce)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/109", "db_id": "9804e686b3092e5e7cea1ee451b5af01", "patch_ids": [], "statement_hash": "855cf3025f3bba4ab5e6990ed804a2cbffe250e5f8ef6bdb0d686e8adaea82a6", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-660cc95dfde8a973", "migration": false}, {"id": "9.0.0-c12087ae08d8eb19", "cves": [], "html": "

\u65b0\u589e\u670d\u52a1\u5668\u53c2\u6570 plperl.on_init\uff0c\u7528\u4e8e\u6307\u5b9a PL/Perl \u521d\u59cb\u5316\u51fd\u6570\uff08Tim Bunce\uff09

\n

\u8fd8\u63d0\u4f9b plperl.on_plperl_init \u548c plperl.on_plperlu_init\uff0c\u5206\u522b\u7528\u4e8e\u53ef\u4fe1\u6216\u4e0d\u53ef\u4fe1\u8bed\u8a00\u7684\u7279\u5b9a\u521d\u59cb\u5316\u3002

", "text": "\u65b0\u589e\u670d\u52a1\u5668\u53c2\u6570 plperl.on_init\uff0c\u7528\u4e8e\u6307\u5b9a PL/Perl \u521d\u59cb\u5316\u51fd\u6570\uff08Tim Bunce\uff09 \u8fd8\u63d0\u4f9b plperl.on_plperl_init \u548c plperl.on_plperlu_init\uff0c\u5206\u522b\u7528\u4e8e\u53ef\u4fe1\u6216\u4e0d\u53ef\u4fe1\u8bed\u8a00\u7684\u7279\u5b9a\u521d\u59cb\u5316\u3002", "title": "\u65b0\u589e\u670d\u52a1\u5668\u53c2\u6570 plperl.on_init\uff0c\u7528\u4e8e\u6307\u5b9a PL/Perl \u521d\u59cb\u5316\u51fd\u6570", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/Perl Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.4", "source_hash": "b8a45fac7a44f7e4eaf86267a304bfd98df68edccc5959fe63bc233b9aca1f75", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/Perl Server-Side Language"], "commit_groups": [], "identity_text": "Add server parameter plperl.on_init to specify a PL/Perl initialization function (Tim Bunce) plperl.on_plperl_init and plperl.on_plperlu_init are also available for initialization that is specific to the trusted or untrusted language respectively.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/110", "db_id": "d97456baeb3395cc97a85404eeaca432", "patch_ids": [], "statement_hash": "17feb2a461a2abbfc6a834e7d38088325190de1c21419a7029284c3702ee756e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-c12087ae08d8eb19", "migration": false}, {"id": "9.0.0-097f31a3d2076d7b", "cves": [], "html": "

\u652f\u6301 PL/Perl \u4e2d\u7684 END \u5757\uff08Tim Bunce\uff09

\n

END \u5757\u76ee\u524d\u4e0d\u5141\u8bb8\u6570\u636e\u5e93\u8bbf\u95ee\u3002

", "text": "\u652f\u6301 PL/Perl \u4e2d\u7684 END \u5757\uff08Tim Bunce\uff09 END \u5757\u76ee\u524d\u4e0d\u5141\u8bb8\u6570\u636e\u5e93\u8bbf\u95ee\u3002", "title": "\u652f\u6301 PL/Perl \u4e2d\u7684 END \u5757", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/Perl Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.4", "source_hash": "8b805570b68d2b9d3dfb4ae1b07c32f4c0604e53183a9ad84157022c7b2e8db0", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/Perl Server-Side Language"], "commit_groups": [], "identity_text": "Support END blocks in PL/Perl (Tim Bunce) END blocks do not currently allow database access.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/111", "db_id": "041fbf4eb307436d0d0c8df865b3388b", "patch_ids": [], "statement_hash": "51af437a1b0a24e4f485053e207bb5ba32cb1436f260d8b40fefbe1a9fdf631a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-097f31a3d2076d7b", "migration": false}, {"id": "9.0.0-f8e17d0743b84df7", "cves": [], "html": "

\u5141\u8bb8 PL/Perl \u4e2d\u4f7f\u7528 use strict\uff08Tim Bunce\uff09

\n

Perl strict \u68c0\u67e5\u8fd8\u53ef\u4ee5\u901a\u8fc7\u65b0\u7684\u670d\u52a1\u5668\u53c2\u6570 plperl.use_strict \u5168\u5c40\u542f\u7528\u3002

", "text": "\u5141\u8bb8 PL/Perl \u4e2d\u4f7f\u7528 use strict\uff08Tim Bunce\uff09 Perl strict \u68c0\u67e5\u8fd8\u53ef\u4ee5\u901a\u8fc7\u65b0\u7684\u670d\u52a1\u5668\u53c2\u6570 plperl.use_strict \u5168\u5c40\u542f\u7528\u3002", "title": "\u5141\u8bb8 PL/Perl \u4e2d\u4f7f\u7528 use strict", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/Perl Server-Side Language", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.9.4", "source_hash": "586e4ee8915e3684956fbe610ed48ff45102b675da9780b68f9c163ef9d11894", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/Perl Server-Side Language"], "commit_groups": [], "identity_text": "Allow use strict in PL/Perl (Tim Bunce) Perl strict checks can also be globally enabled with the new server parameter plperl.use_strict.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/112", "db_id": "6422e088e3f395f46bcd0c0380055a36", "patch_ids": [], "statement_hash": "698f638d992093948a3be797495c14da4fdf1074c96d916ed8069b53bd4acf2e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-f8e17d0743b84df7", "migration": false}, {"id": "9.0.0-83a26480fc43a230", "cves": [], "html": "

\u5141\u8bb8 PL/Perl \u4e2d\u4f7f\u7528 require\uff08Tim Bunce\uff09

\n

\u5b83\u57fa\u672c\u4e0a\u662f\u6d4b\u8bd5\u6a21\u5757\u662f\u5426\u5df2\u52a0\u8f7d\uff0c\u5982\u679c\u6ca1\u6709\u5219\u751f\u6210\u9519\u8bef\u3002\u5b83\u4e0d\u5141\u8bb8\u52a0\u8f7d\u7ba1\u7406\u5458\u672a\u901a\u8fc7\u521d\u59cb\u5316\u53c2\u6570\u9884\u52a0\u8f7d\u7684\u6a21\u5757\u3002

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\u5982\u679c\u4f7f\u7528 Perl 5.10 \u6216\u66f4\u9ad8\u7248\u672c\uff0c\u5141\u8bb8 PL/Perl \u4e2d\u4f7f\u7528 use feature\uff08Tim Bunce\uff09

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\u6539\u8fdb SQL \u57df\u5230 Python \u7c7b\u578b\u7684\u6620\u5c04\uff08Peter Eisentraut\uff09

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\u4e3a vacuumdb \u65b0\u589e --analyze-only \u9009\u9879\uff0c\u53ea\u5206\u6790\u4e0d\u6e05\u7406\uff08Bruce Momjian\uff09

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\u65b0\u589e\u5bf9 psql \u53d8\u91cf\u503c\u4f5c\u4e3a SQL \u5b57\u7b26\u4e32\u6216\u6807\u8bc6\u7b26\u52a0\u5f15\u53f7/\u8f6c\u4e49\u7684\u652f\u6301\uff08Pavel Stehule\u3001Robert Haas\uff09

\n

\u4f8b\u5982\uff0c:'var' \u4f1a\u4ea7\u751f\u52a0\u4e86\u5f15\u53f7\u5e76\u6b63\u786e\u8f6c\u4e49\u4e3a\u5b57\u9762\u5b57\u7b26\u4e32\u7684 var \u503c\uff0c\u800c :\"var\" \u4f1a\u4ea7\u751f\u52a0\u4e86\u5f15\u53f7\u5e76\u8f6c\u4e49\u4e3a\u6807\u8bc6\u7b26\u7684\u503c\u3002

", "text": "\u65b0\u589e\u5bf9 psql \u53d8\u91cf\u503c\u4f5c\u4e3a SQL \u5b57\u7b26\u4e32\u6216\u6807\u8bc6\u7b26\u52a0\u5f15\u53f7/\u8f6c\u4e49\u7684\u652f\u6301\uff08Pavel Stehule\u3001Robert Haas\uff09 \u4f8b\u5982\uff0c:'var' \u4f1a\u4ea7\u751f\u52a0\u4e86\u5f15\u53f7\u5e76\u6b63\u786e\u8f6c\u4e49\u4e3a\u5b57\u9762\u5b57\u7b26\u4e32\u7684 var \u503c\uff0c\u800c :\"var\" \u4f1a\u4ea7\u751f\u52a0\u4e86\u5f15\u53f7\u5e76\u8f6c\u4e49\u4e3a\u6807\u8bc6\u7b26\u7684\u503c\u3002", "title": "\u65b0\u589e\u5bf9 psql \u53d8\u91cf\u503c\u4f5c\u4e3a SQL \u5b57\u7b26\u4e32\u6216\u6807\u8bc6\u7b26\u52a0\u5f15\u53f7/\u8f6c\u4e49\u7684\u652f\u6301", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / psql", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.3", "source_hash": "4f538ff9521cdc912139104504588c333ff179874638ef049f48eea20c200c13", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "psql"], "commit_groups": [], "identity_text": "Add support for quoting/escaping the values of psql variables as SQL strings or identifiers (Pavel Stehule, Robert Haas) For example, :'var' will produce the value of var quoted and properly escaped as a literal string, while :\"var\" will produce its value quoted and escaped as an identifier.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/123", "db_id": "168401865cb7c623480de3e4b89746c6", "patch_ids": [], "statement_hash": "a449c4872582a66e274b4cde4c5d26201a79dda0a8d956c951678e43c1f8d56f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-c793632c3bd89dbf", "migration": false}, {"id": "9.0.0-77f23752c2f984ec", "cves": [], "html": "

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\n

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\u4fee\u590d psql --file -\uff0c\u4f7f\u5176\u6b63\u786e\u9075\u5faa --single-transaction\uff08Bruce Momjian\uff09

", "text": "\u4fee\u590d psql --file -\uff0c\u4f7f\u5176\u6b63\u786e\u9075\u5faa --single-transaction\uff08Bruce Momjian\uff09", "title": "\u4fee\u590d psql --file -\uff0c\u4f7f\u5176\u6b63\u786e\u9075\u5faa --single-transaction", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / psql", "category": "bugfix", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.3", "source_hash": "a1353fb8ef6d8bebc0cadb75fb73f69b6a87a217ca52484db98b98b53c00e3a1", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "psql"], "commit_groups": [], "identity_text": "Fix psql --file - to properly honor --single-transaction (Bruce Momjian)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/125", "db_id": "b4f671b61efe006e6e8ec573d58a1d64", "patch_ids": [], "statement_hash": "7501f858a8de85b51dfc82eb633eb7f2d4a6c6c1e3bae380c18fd28802c7f5ef", "relations": [], "category_label": "BUG \u4fee\u590d", "url": "/docs/compare/?release=9.0.0#9.0.0-3a7dca52d9bda178", "migration": false}, {"id": "9.0.0-a2826c8681c7d266", "cves": [], "html": "

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\u6539\u8fdb psql \u7684 Tab \u8865\u5168\u652f\u6301\uff08Itagaki Takahiro\uff09

", "text": "\u6539\u8fdb psql \u7684 Tab \u8865\u5168\u652f\u6301\uff08Itagaki Takahiro\uff09", "title": "\u6539\u8fdb psql \u7684 Tab \u8865\u5168\u652f\u6301", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / psql", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.3", "source_hash": "ebb00acc8fa1c9dfb9215ec6c60daf18d56976e70df0f6edd4428b4d7093ad54", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "psql"], "commit_groups": [], "identity_text": "Improve psql's tab completion support (Itagaki Takahiro)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/127", "db_id": "4b39ac4c3589a00903df8e6b7f3bb800", "patch_ids": [], "statement_hash": "fda675fb0ff4e263a81d913fa78b50837ed3a87372693da1ff7fe847791bdfe1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-53d7a7f84d775fe2", "migration": false}, {"id": "9.0.0-dcfdb74033ec3c0b", "cves": [], "html": "

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\u6539\u8fdb psql \u4e2d\u6362\u884c\u5217\u7684\u663e\u793a\uff08Roger Leigh\uff09

\n

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\u5141\u8bb8 psql \u901a\u8fc7 \\pset linestyle unicode \u4f7f\u7528\u7cbe\u81f4\u7684 Unicode \u753b\u7ebf\u5b57\u7b26\uff08Roger Leigh\uff09

", "text": "\u5141\u8bb8 psql \u901a\u8fc7 \\pset linestyle unicode \u4f7f\u7528\u7cbe\u81f4\u7684 Unicode \u753b\u7ebf\u5b57\u7b26\uff08Roger Leigh\uff09", "title": "\u5141\u8bb8 psql \u901a\u8fc7 \\pset linestyle unicode \u4f7f\u7528\u7cbe\u81f4\u7684 Unicode \u753b\u7ebf\u5b57\u7b26", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / psql / psql Display", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.3.3", "source_hash": "2d413b7f34532576e3ea29aba9d68fa5377c222afd272fb0d1b5b091ad83f238", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "psql", "psql Display"], "commit_groups": [], "identity_text": "Allow psql to use fancy Unicode line-drawing characters via \\pset linestyle unicode (Roger Leigh)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/130", "db_id": "9e3488dc99973baffe1af0d92000e11e", "patch_ids": [], "statement_hash": "8aaaeb2ab6353ca51af37713f259d3af9024e0a20137c719e87fe6d0c2904803", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-8b08aa46f89d01fe", "migration": false}, {"id": "9.0.0-8116d933f861b329", "cves": [], "html": "

\u8ba9 \\d \u663e\u793a\u7ee7\u627f\u81ea\u6307\u5b9a\u7236\u8868\u7684\u5b50\u8868\uff08Damien Clochard\uff09

\n

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\n

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\n

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\u8ba9 pg_dump/pg_restore \u7684 --clean \u4e5f\u79fb\u9664\u5927\u5bf9\u8c61\uff08Itagaki Takahiro\uff09

", "text": "\u8ba9 pg_dump/pg_restore \u7684 --clean \u4e5f\u79fb\u9664\u5927\u5bf9\u8c61\uff08Itagaki Takahiro\uff09", "title": "\u8ba9 pg_dump/pg_restore \u7684 --clean \u4e5f\u79fb\u9664\u5927\u5bf9\u8c61", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / pg_dump", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.4", "source_hash": "a46c064f7181c7f0261be748578e33c222f25d8988e1a58a5c6ba21ab71a0d89", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "pg_dump"], "commit_groups": [], "identity_text": "Make pg_dump/pg_restore --clean also remove large objects (Itagaki Takahiro)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/134", "db_id": "82b6475d7362b30aa4adadd8026a003a", "patch_ids": [], "statement_hash": "1503ccd3b4350d9335e1eb248660416af52ff7237dc408f0d3f6628d4cdc14a8", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-7e3450f83a1ccebf", "migration": false}, {"id": "9.0.0-a571f706d6f76d54", "cves": [], "html": "

\u4fee\u590d pg_dump\uff0c\u4f7f\u5176\u5728\u542f\u7528 standard_conforming_strings \u65f6\u6b63\u786e\u8f6c\u50a8\u5927\u5bf9\u8c61\uff08Tom Lane\uff09

\n

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", "text": "\u4fee\u590d pg_dump\uff0c\u4f7f\u5176\u5728\u542f\u7528 standard_conforming_strings \u65f6\u6b63\u786e\u8f6c\u50a8\u5927\u5bf9\u8c61\uff08Tom Lane\uff09 \u4ee5\u524d\u7684\u7f16\u7801\u5728\u8f6c\u50a8\u5230\u5f52\u6863\u6587\u4ef6\u518d\u7531 pg_restore \u751f\u6210\u811a\u672c\u8f93\u51fa\u65f6\u53ef\u80fd\u5931\u8d25\u3002", "title": "\u4fee\u590d pg_dump\uff0c\u4f7f\u5176\u5728\u542f\u7528 standard_conforming_strings \u65f6\u6b63\u786e\u8f6c\u50a8\u5927\u5bf9\u8c61", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / pg_dump", "category": "bugfix", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.4", "source_hash": "27cd511ea6e1d493b006df17f6cae508b529b4afe4388d67968cc9d3c351a884", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "pg_dump"], "commit_groups": [], "identity_text": "Fix pg_dump to properly dump large objects when standard_conforming_strings is enabled (Tom Lane) The previous coding could fail when dumping to an archive file and then generating script output from pg_restore.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/135", "db_id": "385994f2327012742f667d815f0f3a78", "patch_ids": [], "statement_hash": "012fc2f97fa48a25887a55786eb67db20a5edd6bdaa0d60301028d78cf54066d", "relations": [], "category_label": "BUG \u4fee\u590d", "url": "/docs/compare/?release=9.0.0#9.0.0-a571f706d6f76d54", "migration": false}, {"id": "9.0.0-8d2e6086625a6137", "cves": [], "html": "

pg_restore \u73b0\u5728\u5728\u751f\u6210\u811a\u672c\u8f93\u51fa\u65f6\u4ee5\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u53d1\u51fa\u5927\u5bf9\u8c61\u6570\u636e\uff08Tom Lane\uff09

\n

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", "text": "pg_restore \u73b0\u5728\u5728\u751f\u6210\u811a\u672c\u8f93\u51fa\u65f6\u4ee5\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u53d1\u51fa\u5927\u5bf9\u8c61\u6570\u636e\uff08Tom Lane\uff09 \u5982\u679c\u811a\u672c\u968f\u540e\u88ab\u52a0\u8f7d\u5230 9.0 \u4e4b\u524d\u7684\u670d\u52a1\u5668\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u517c\u5bb9\u6027\u95ee\u9898\u3002\u89e3\u51b3\u529e\u6cd5\u662f\u6539\u4e3a\u76f4\u63a5\u6062\u590d\u5230\u670d\u52a1\u5668\u3002", "title": "pg_restore \u73b0\u5728\u5728\u751f\u6210\u811a\u672c\u8f93\u51fa\u65f6\u4ee5\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u53d1\u51fa\u5927\u5bf9\u8c61\u6570\u636e", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / pg_dump", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.4", "source_hash": "2879b638e1c5288772eef367275b2e30a8c0008088c7282387ce056a74686b4d", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "pg_dump"], "commit_groups": [], "identity_text": "pg_restore now emits large-object data in hex format when generating script output (Tom Lane) This could cause compatibility problems if the script is then loaded into a pre-9.0 server. To work around that, restore directly to the server, instead.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/136", "db_id": "145bb6c65035c2d8428ec5f5f9a9cbf7", "patch_ids": [], "statement_hash": "5bea01feff9c616ce20b508d08a939c86d128f3b98badf79ba25cf7fb86d9e69", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-8d2e6086625a6137", "migration": false}, {"id": "9.0.0-f776aae922534fe4", "cves": [], "html": "

\u5141\u8bb8 pg_dump \u8f6c\u50a8\u9644\u52a0\u5728\u7ec4\u5408\u7c7b\u578b\u5217\u4e0a\u7684\u6ce8\u91ca\uff08Taro Minowa (Higepon)\uff09

", "text": "\u5141\u8bb8 pg_dump \u8f6c\u50a8\u9644\u52a0\u5728\u7ec4\u5408\u7c7b\u578b\u5217\u4e0a\u7684\u6ce8\u91ca\uff08Taro Minowa (Higepon)\uff09", "title": "\u5141\u8bb8 pg_dump \u8f6c\u50a8\u9644\u52a0\u5728\u7ec4\u5408\u7c7b\u578b\u5217\u4e0a\u7684\u6ce8\u91ca\uff08Taro Minowa (Higepon)\uff09", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / pg_dump", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.4", "source_hash": "cc0780fe49e592897044e987254fd506b7ad141777373e7220b88515d2e67414", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "pg_dump"], "commit_groups": [], "identity_text": "Allow pg_dump to dump comments attached to columns of composite types (Taro Minowa (Higepon))", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/137", "db_id": "a8378f1c04583d2703425a65178f7cb0", "patch_ids": [], "statement_hash": "ef1dbacf8eae73707329667cd01f65c6481d7bc4250c811b7245ecfe748da0b4", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-f776aae922534fe4", "migration": false}, {"id": "9.0.0-bbba22bf7e496699", "cves": [], "html": "

\u8ba9 pg_dump --verbose \u5728\u6587\u672c\u8f93\u51fa\u6a21\u5f0f\u4e0b\u8f93\u51fa pg_dump \u548c\u670d\u52a1\u5668\u7248\u672c\uff08Jim Cox\u3001Tom Lane\uff09

\n

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", "text": "\u8ba9 pg_dump --verbose \u5728\u6587\u672c\u8f93\u51fa\u6a21\u5f0f\u4e0b\u8f93\u51fa pg_dump \u548c\u670d\u52a1\u5668\u7248\u672c\uff08Jim Cox\u3001Tom Lane\uff09 \u8fd9\u4e9b\u5728\u81ea\u5b9a\u4e49\u8f93\u51fa\u6a21\u5f0f\u4e0b\u65e9\u5df2\u63d0\u4f9b\u3002", "title": "\u8ba9 pg_dump --verbose \u5728\u6587\u672c\u8f93\u51fa\u6a21\u5f0f\u4e0b\u8f93\u51fa pg_dump \u548c\u670d\u52a1\u5668\u7248\u672c", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / pg_dump", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.4", "source_hash": "99a7cbb3573e109bf4a9bc2a8d7445b85391b77394cf59a6ca25b053a59720f7", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "pg_dump"], "commit_groups": [], "identity_text": "Make pg_dump --verbose output the pg_dump and server versions in text output mode (Jim Cox, Tom Lane) These were already provided in custom output mode.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/138", "db_id": "7fcbb2f6c866dff6c5bdc397814d0d5f", "patch_ids": [], "statement_hash": "341ed569e26d6b4e0f6736bbce0658213c5770631a38e0548c74c390a92c61b8", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-bbba22bf7e496699", "migration": false}, {"id": "9.0.0-f0046a4cb68965bd", "cves": [], "html": "

pg_restore \u73b0\u5728\u4f1a\u5728\u5f00\u5173\u548c\u53ef\u9009\u6587\u4ef6\u540d\u4e4b\u540e\u8fd8\u6709\u547d\u4ee4\u884c\u53c2\u6570\u65f6\u62b1\u6028\uff08Tom Lane\uff09

\n

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", "text": "pg_restore \u73b0\u5728\u4f1a\u5728\u5f00\u5173\u548c\u53ef\u9009\u6587\u4ef6\u540d\u4e4b\u540e\u8fd8\u6709\u547d\u4ee4\u884c\u53c2\u6570\u65f6\u62b1\u6028\uff08Tom Lane\uff09 \u6b64\u524d\u5b83\u4f1a\u9759\u9ed8\u5ffd\u7565\u4efb\u4f55\u8fd9\u7c7b\u53c2\u6570\u3002", "title": "pg_restore \u73b0\u5728\u4f1a\u5728\u5f00\u5173\u548c\u53ef\u9009\u6587\u4ef6\u540d\u4e4b\u540e\u8fd8\u6709\u547d\u4ee4\u884c\u53c2\u6570\u65f6\u62b1\u6028", "commits": [], "section": "\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f / pg_dump", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.10.4", "source_hash": "5a8de215f253b27b81cb4cabadc202fdb348ee8d64e3364f0663c1018991d506", "section_path": ["\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f", "pg_dump"], "commit_groups": [], "identity_text": "pg_restore now complains if any command-line arguments remain after the switches and optional file name (Tom Lane) Previously, it silently ignored any such arguments.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/139", "db_id": "3644a0d1734457041c5ad85d0375f490", "patch_ids": [], "statement_hash": "987aa1066c1b73b24dbc0fe139186a67172450526e13af519244feffa9352d25", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-f0046a4cb68965bd", "migration": false}, {"id": "9.0.0-c4ea10629dadc5e6", "cves": [], "html": "

\u5141\u8bb8\u5728\u7cfb\u7edf\u91cd\u542f\u671f\u95f4\u5b89\u5168\u5730\u7528 pg_ctl \u542f\u52a8 postmaster\uff08Tom Lane\uff09

\n

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\n

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\n

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\u5141\u8bb8 ecpg \u65e0\u9650\u5236\u5730\u4f7f\u7528 new \u548c old \u53d8\u91cf\u540d\uff08Michael Meskes\uff09

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\u5141\u8bb8 ecpg \u5728 free() \u4e2d\u4f7f\u7528\u53d8\u91cf\u540d\uff08Michael Meskes\uff09

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\u8ba9 ecpg_dynamic_type() \u5bf9\u975e SQL3 \u6570\u636e\u7c7b\u578b\u8fd4\u56de\u96f6\uff08Michael Meskes\uff09

\n

\u6b64\u524d\u5b83\u8fd4\u56de\u6570\u636e\u7c7b\u578b OID \u7684\u8d1f\u503c\u3002\u4f46\u8fd9\u53ef\u80fd\u4e0e\u6709\u6548\u7684\u7c7b\u578b OID \u6df7\u6dc6\u3002

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\n

\u8fd9\u5141\u8bb8 DECLARE \u4f7f\u7528 OPEN \u88ab\u8c03\u7528\u65f6\u4e0d\u5728\u4f5c\u7528\u57df\u5185\u7684\u53d8\u91cf\u3002\u6b64\u673a\u5236\u5728 ecpg \u7684 Informix \u517c\u5bb9\u6a21\u5f0f\u4e2d\u65e9\u5df2\u5b58\u5728\u3002

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\u5141\u8bb8 ecpg \u4e2d\u7684\u52a8\u6001\u6e38\u6807\u540d\uff08Boszormenyi Zoltan\uff09

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\u9ed8\u8ba4\u542f\u7528\u5ba2\u6237\u7aef\u7ebf\u7a0b\u5b89\u5168\uff08Bruce Momjian\uff09

\n

\u7ebf\u7a0b\u5b89\u5168\u9009\u9879\u53ef\u4ee5\u7528 configure --disable-thread-safety \u7981\u7528\u3002

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\u4f7f\u670d\u52a1\u5668\u8bcd\u6cd5\u5206\u6790\u5668\u53ef\u91cd\u5165\uff08Tom Lane\uff09

\n

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\u6539\u8fdb\u5185\u5b58\u5206\u914d\u7684\u901f\u5ea6\uff08Tom Lane\u3001Greg Stark\uff09

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", "text": "\u79fb\u9664\u5bf9\u6ca1\u6709\u53ef\u7528 64 \u4f4d\u6574\u6570\u6570\u636e\u7c7b\u578b\u7684\u5e73\u53f0\u7684\u652f\u6301\uff08Tom Lane\uff09", "title": "\u79fb\u9664\u5bf9\u6ca1\u6709\u53ef\u7528 64 \u4f4d\u6574\u6570\u6570\u636e\u7c7b\u578b\u7684\u5e73\u53f0\u7684\u652f\u6301", "commits": [], "section": "\u6e90\u4ee3\u7801 / \u53ef\u79fb\u690d\u6027", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.13.4", "source_hash": "e466231617cec16c573fd4a06728b36d24050e8cfd66b66ff0ccf5c0fb218d67", "section_path": ["\u6e90\u4ee3\u7801", "\u53ef\u79fb\u690d\u6027"], "commit_groups": [], "identity_text": "Remove support for platforms that don't have a working 64-bit integer data type (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/193", "db_id": "d6a280e738eb6b1452083395d1220094", "patch_ids": [], "statement_hash": "8f16d938b737a1677e0b6a1ffe5618208c585189e4b8020f5389d7b224b6850a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-768a438393e40bc9", "migration": false}, {"id": "9.0.0-db94088ca516e3e4", "cves": [], "html": "

\u91cd\u6784 LDFLAGS \u7684\u4f7f\u7528\uff0c\u4f7f\u5176\u5728\u5e73\u53f0\u95f4\u66f4\u4e00\u81f4\uff08Tom Lane\uff09

\n

LDFLAGS \u73b0\u5728\u7528\u4e8e\u94fe\u63a5\u53ef\u6267\u884c\u6587\u4ef6\u548c\u5171\u4eab\u5e93\uff0c\u5e76\u4e14\u5728\u94fe\u63a5\u53ef\u6267\u884c\u6587\u4ef6\u65f6\u9644\u52a0 LDFLAGS_EX\uff0c\u94fe\u63a5\u5171\u4eab\u5e93\u65f6\u9644\u52a0 LDFLAGS_SL\u3002

", "text": "\u91cd\u6784 LDFLAGS \u7684\u4f7f\u7528\uff0c\u4f7f\u5176\u5728\u5e73\u53f0\u95f4\u66f4\u4e00\u81f4\uff08Tom Lane\uff09 LDFLAGS \u73b0\u5728\u7528\u4e8e\u94fe\u63a5\u53ef\u6267\u884c\u6587\u4ef6\u548c\u5171\u4eab\u5e93\uff0c\u5e76\u4e14\u5728\u94fe\u63a5\u53ef\u6267\u884c\u6587\u4ef6\u65f6\u9644\u52a0 LDFLAGS_EX\uff0c\u94fe\u63a5\u5171\u4eab\u5e93\u65f6\u9644\u52a0 LDFLAGS_SL\u3002", "title": "\u91cd\u6784 LDFLAGS \u7684\u4f7f\u7528\uff0c\u4f7f\u5176\u5728\u5e73\u53f0\u95f4\u66f4\u4e00\u81f4", "commits": [], "section": "\u6e90\u4ee3\u7801 / \u53ef\u79fb\u690d\u6027", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.13.4", "source_hash": "5e0d84a8e84b1e2a7296c8b0a1a78c1d62edc43a2fecf7dffd283ee84a35ca34", "section_path": ["\u6e90\u4ee3\u7801", "\u53ef\u79fb\u690d\u6027"], "commit_groups": [], "identity_text": "Restructure use of LDFLAGS to be more consistent across platforms (Tom Lane) LDFLAGS is now used for linking both executables and shared libraries, and we add on LDFLAGS_EX when linking executables, or LDFLAGS_SL when linking shared libraries.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/194", "db_id": "21e60cf406b9077bc8bce0ed654148be", "patch_ids": [], "statement_hash": "89542e68d5ef588eec4e506746770e94c0baae3bdeafbdeb49016ea7cbfafa53", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-db94088ca516e3e4", "migration": false}, {"id": "9.0.0-41408923357512a4", "cves": [], "html": "

\u4f7f\u540e\u7aef\u5934\u6587\u4ef6\u53ef\u4ee5\u5b89\u5168\u5730\u5305\u542b\u5728 C++ \u4e2d\uff08Kurt Harriman\u3001Peter Eisentraut\uff09

\n

\u8fd9\u4e9b\u53d8\u66f4\u79fb\u9664\u4e86\u6b64\u524d\u4f7f C++ \u96be\u4ee5\u7528\u4e8e\u540e\u7aef\u4ee3\u7801\u7684\u5173\u952e\u5b57\u51b2\u7a81\u3002\u4f46\u662f\uff0c\u5728\u4e3a\u540e\u7aef\u51fd\u6570\u4f7f\u7528 C++ \u65f6\u4ecd\u6709\u5176\u4ed6\u590d\u6742\u4e4b\u5904\u3002\u5728\u9002\u5f53\u7684\u5730\u65b9\u4ecd\u9700\u8981 extern \"C\" { }\uff0c\u5185\u5b58\u7ba1\u7406\u548c\u9519\u8bef\u5904\u7406\u4ecd\u662f\u6709\u95ee\u9898\u7684\u3002

", "text": "\u4f7f\u540e\u7aef\u5934\u6587\u4ef6\u53ef\u4ee5\u5b89\u5168\u5730\u5305\u542b\u5728 C++ \u4e2d\uff08Kurt Harriman\u3001Peter Eisentraut\uff09 \u8fd9\u4e9b\u53d8\u66f4\u79fb\u9664\u4e86\u6b64\u524d\u4f7f C++ \u96be\u4ee5\u7528\u4e8e\u540e\u7aef\u4ee3\u7801\u7684\u5173\u952e\u5b57\u51b2\u7a81\u3002\u4f46\u662f\uff0c\u5728\u4e3a\u540e\u7aef\u51fd\u6570\u4f7f\u7528 C++ \u65f6\u4ecd\u6709\u5176\u4ed6\u590d\u6742\u4e4b\u5904\u3002\u5728\u9002\u5f53\u7684\u5730\u65b9\u4ecd\u9700\u8981 extern \"C\" { }\uff0c\u5185\u5b58\u7ba1\u7406\u548c\u9519\u8bef\u5904\u7406\u4ecd\u662f\u6709\u95ee\u9898\u7684\u3002", "title": "\u4f7f\u540e\u7aef\u5934\u6587\u4ef6\u53ef\u4ee5\u5b89\u5168\u5730\u5305\u542b\u5728 C++ \u4e2d", "commits": [], "section": "\u6e90\u4ee3\u7801 / \u670d\u52a1\u5668\u7f16\u7a0b", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.13.5", "source_hash": "72cf9ae26e90811f301ba14c7a21f008de88782afd112313ff1c6342b15ecddf", "section_path": ["\u6e90\u4ee3\u7801", "\u670d\u52a1\u5668\u7f16\u7a0b"], "commit_groups": [], "identity_text": "Make backend header files safe to include in C++ (Kurt Harriman, Peter Eisentraut) These changes remove keyword conflicts that previously made C++ usage difficult in backend code. However, there are still other complexities when using C++ for backend functions. extern \"C\" { } is still necessary in appropriate places, and memory management and error handling are still problematic.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/195", "db_id": "c32f422f672f221dd65be98c1af4b84e", "patch_ids": [], "statement_hash": "052c6dc90d3d34877d9153b8b20fb96ed6e01441b366c016f2b8e3d0ff26521d", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-41408923357512a4", "migration": false}, {"id": "9.0.0-f8cc326f28ee9f56", "cves": [], "html": "

\u65b0\u589e AggCheckCallContext()\uff0c\u7528\u4e8e\u68c0\u6d4b C \u51fd\u6570\u662f\u5426\u88ab\u4f5c\u4e3a\u805a\u5408\u8c03\u7528\uff08Hitoshi Harada\uff09

", "text": "\u65b0\u589e AggCheckCallContext()\uff0c\u7528\u4e8e\u68c0\u6d4b C \u51fd\u6570\u662f\u5426\u88ab\u4f5c\u4e3a\u805a\u5408\u8c03\u7528\uff08Hitoshi Harada\uff09", "title": "\u65b0\u589e AggCheckCallContext()\uff0c\u7528\u4e8e\u68c0\u6d4b C \u51fd\u6570\u662f\u5426\u88ab\u4f5c\u4e3a\u805a\u5408\u8c03\u7528", "commits": [], "section": "\u6e90\u4ee3\u7801 / \u670d\u52a1\u5668\u7f16\u7a0b", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.13.5", "source_hash": "ceee2dd399c7ce2dc5e748db360c3d23264cfbc7db24332c5169913637a0faed", "section_path": ["\u6e90\u4ee3\u7801", "\u670d\u52a1\u5668\u7f16\u7a0b"], "commit_groups": [], "identity_text": "Add AggCheckCallContext() for use in detecting if a C function is being called as an aggregate (Hitoshi Harada)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/196", "db_id": "be9796bb1fae447b5253777d8fa33f3b", "patch_ids": [], "statement_hash": "0ea6db5ec9b76a52edd9ee650da8917d39fd7a565a1b0e4da9f75864a7d83f5c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-f8cc326f28ee9f56", "migration": false}, {"id": "9.0.0-50d5c16f935dbe44", "cves": [], "html": "

\u66f4\u6539 SearchSysCache() \u53ca\u76f8\u5173\u51fd\u6570\u7684\u8c03\u7528\u7ea6\u5b9a\uff0c\u4ee5\u907f\u514d\u786c\u7f16\u7801\u7f13\u5b58\u952e\u7684\u6700\u5927\u6570\u91cf\uff08Robert Haas\uff09

\n

\u73b0\u6709\u8c03\u7528\u76ee\u524d\u4ecd\u53ef\u5de5\u4f5c\uff0c\u4f46\u5982\u679c\u4e0d\u8f6c\u6362\u4e3a\u65b0\u98ce\u683c\uff0c\u9884\u8ba1\u4f1a\u5728 9.1 \u6216\u66f4\u9ad8\u7248\u672c\u4e2d\u4e2d\u65ad\u3002

", "text": "\u66f4\u6539 SearchSysCache() \u53ca\u76f8\u5173\u51fd\u6570\u7684\u8c03\u7528\u7ea6\u5b9a\uff0c\u4ee5\u907f\u514d\u786c\u7f16\u7801\u7f13\u5b58\u952e\u7684\u6700\u5927\u6570\u91cf\uff08Robert Haas\uff09 \u73b0\u6709\u8c03\u7528\u76ee\u524d\u4ecd\u53ef\u5de5\u4f5c\uff0c\u4f46\u5982\u679c\u4e0d\u8f6c\u6362\u4e3a\u65b0\u98ce\u683c\uff0c\u9884\u8ba1\u4f1a\u5728 9.1 \u6216\u66f4\u9ad8\u7248\u672c\u4e2d\u4e2d\u65ad\u3002", "title": "\u66f4\u6539 SearchSysCache() \u53ca\u76f8\u5173\u51fd\u6570\u7684\u8c03\u7528\u7ea6\u5b9a\uff0c\u4ee5\u907f\u514d\u786c\u7f16\u7801\u7f13\u5b58\u952e\u7684\u6700\u5927\u6570\u91cf", "commits": [], "section": "\u6e90\u4ee3\u7801 / \u670d\u52a1\u5668\u7f16\u7a0b", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.13.5", "source_hash": "78de263ccea56205d464bb95ae94ea66a31a3a3a98ef9fb9bad4a4b9b1f282af", "section_path": ["\u6e90\u4ee3\u7801", "\u670d\u52a1\u5668\u7f16\u7a0b"], "commit_groups": [], "identity_text": "Change calling convention for SearchSysCache() and related functions to avoid hard-wiring the maximum number of cache keys (Robert Haas) Existing calls will still work for the moment, but can be expected to break in 9.1 or later if not converted to the new style.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/197", "db_id": "15b3d5560c5a7d2b4fb8e06f2f9db456", "patch_ids": [], "statement_hash": "c07ea99453e62201db7bcc3e3801fd209d5da973275b19db35c7046229699034", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-50d5c16f935dbe44", "migration": false}, {"id": "9.0.0-be1eb76e10bd3ddf", "cves": [], "html": "

\u8981\u6c42\u5bf9 fastgetattr() \u548c heap_getattr() \u540e\u7aef\u5b8f\u7684\u8c03\u7528\u63d0\u4f9b\u975e NULL \u7684\u7b2c\u56db\u4e2a\u53c2\u6570\uff08Robert Haas\uff09

", "text": "\u8981\u6c42\u5bf9 fastgetattr() \u548c heap_getattr() \u540e\u7aef\u5b8f\u7684\u8c03\u7528\u63d0\u4f9b\u975e NULL \u7684\u7b2c\u56db\u4e2a\u53c2\u6570\uff08Robert Haas\uff09", "title": "\u8981\u6c42\u5bf9 fastgetattr() \u548c heap_getattr() \u540e\u7aef\u5b8f\u7684\u8c03\u7528\u63d0\u4f9b\u975e NULL \u7684\u7b2c\u56db\u4e2a\u53c2\u6570", "commits": [], "section": "\u6e90\u4ee3\u7801 / \u670d\u52a1\u5668\u7f16\u7a0b", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.13.5", "source_hash": "004f46108282cef4f2142b03b8c2ee5ff000e837066eabf164f869ba7d61653c", "section_path": ["\u6e90\u4ee3\u7801", "\u670d\u52a1\u5668\u7f16\u7a0b"], "commit_groups": [], "identity_text": "Require calls of fastgetattr() and heap_getattr() backend macros to provide a non-NULL fourth argument (Robert Haas)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/198", "db_id": "e43e318d6b14f6efbf9cf9dbc001a6dc", "patch_ids": [], "statement_hash": "4596c0a0ec9109830967e0f2c897e7b1b919be2b8bc8e7f09631545907e5379f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-be1eb76e10bd3ddf", "migration": false}, {"id": "9.0.0-e4b22b629495b46b", "cves": [], "html": "

\u81ea\u5b9a\u4e49 typanalyze \u51fd\u6570\u4e0d\u5e94\u518d\u4f9d\u8d56 VacAttrStats.attr \u6765\u786e\u5b9a\u5c06\u8981\u4f20\u9012\u7ed9\u5b83\u4eec\u7684\u6570\u636e\u7c7b\u578b\uff08Tom Lane\uff09

\n

\u6b64\u53d8\u66f4\u662f\u4e3a\u4e86\u5141\u8bb8\u5bf9\u5b58\u50a8\u7c7b\u578b\u4e0e\u5e95\u5c42\u5217\u6570\u636e\u7c7b\u578b\u4e0d\u540c\u7684\u7d22\u5f15\u5217\u6536\u96c6\u7edf\u8ba1\u4fe1\u606f\u3002\u6709\u65b0\u7684\u5b57\u6bb5\u544a\u77e5\u5b9e\u9645\u88ab\u5206\u6790\u7684\u6570\u636e\u7c7b\u578b\u3002

", "text": "\u81ea\u5b9a\u4e49 typanalyze \u51fd\u6570\u4e0d\u5e94\u518d\u4f9d\u8d56 VacAttrStats.attr \u6765\u786e\u5b9a\u5c06\u8981\u4f20\u9012\u7ed9\u5b83\u4eec\u7684\u6570\u636e\u7c7b\u578b\uff08Tom Lane\uff09 \u6b64\u53d8\u66f4\u662f\u4e3a\u4e86\u5141\u8bb8\u5bf9\u5b58\u50a8\u7c7b\u578b\u4e0e\u5e95\u5c42\u5217\u6570\u636e\u7c7b\u578b\u4e0d\u540c\u7684\u7d22\u5f15\u5217\u6536\u96c6\u7edf\u8ba1\u4fe1\u606f\u3002\u6709\u65b0\u7684\u5b57\u6bb5\u544a\u77e5\u5b9e\u9645\u88ab\u5206\u6790\u7684\u6570\u636e\u7c7b\u578b\u3002", "title": "\u81ea\u5b9a\u4e49 typanalyze \u51fd\u6570\u4e0d\u5e94\u518d\u4f9d\u8d56 VacAttrStats.attr \u6765\u786e\u5b9a\u5c06\u8981\u4f20\u9012\u7ed9\u5b83\u4eec\u7684\u6570\u636e\u7c7b\u578b", "commits": [], "section": "\u6e90\u4ee3\u7801 / \u670d\u52a1\u5668\u7f16\u7a0b", "category": "feature", "source_url": "/docs/release/9.0.0/#id-1.11.6.28.5.13.5", "source_hash": "e0b7028823c9d0b2a647917a111f5981bf8162c23a9a557dc122cec31db958f7", "section_path": ["\u6e90\u4ee3\u7801", "\u670d\u52a1\u5668\u7f16\u7a0b"], "commit_groups": [], "identity_text": "Custom typanalyze functions should no longer rely on VacAttrStats.attr to determine the type of data they will be passed (Tom Lane) This was changed to allow collection of statistics on index columns for which the storage type is different from the underlying column data type. There are new fields that tell the actual datatype being analyzed.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.0/changes/199", "db_id": "4d9db9b60c9e956cedac531013a5fa10", "patch_ids": [], "statement_hash": "5351fc5df7bb6c538d777b10f2858c2e7e05c1b243e0d95766df278bd9dc7ebd", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.0.0#9.0.0-e4b22b629495b46b", "migration": false}, {"id": "9.0.0-f490c19cdeb63b51", "cves": [], "html": "

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\u4e3a contrib/pgbench \u65b0\u589e \\shell \u548c \\setshell \u5143\u547d\u4ee4\uff08Michael Paquier\uff09

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contrib/dict_xsyn \u7684\u65b0\u7279\u6027\uff08Sergey Karpov\uff09

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\n

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\u5728 contrib/auto_explain \u8f93\u51fa\u4e2d\u6dfb\u52a0\u67e5\u8be2\u6587\u672c\uff08Andrew Dunstan\uff09

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"version": "9.0.19", "title": "\u9501\u5b9a Windows \u4e0a\u56de\u5f52\u6d4b\u8bd5\u7684\u4e34\u65f6\u5b89\u88c5", "url": "/docs/compare/?release=9.0.19#9.0.19-f18a20a2bec524ef"}, {"build": "9.0.18", "version": "9.0.18", "title": "\u4fdd\u62a4 make check \u671f\u95f4\u542f\u52a8\u7684\u4e34\u65f6 postmaster \u7684 Unix \u57df\u5957\u63a5\u5b57", "url": "/docs/compare/?release=9.0.18#9.0.18-1fe8508066777304"}, {"build": "9.0.16", "version": "9.0.16", "title": "\u5728\u56de\u5f52\u6d4b\u8bd5\u8bf4\u660e\u4e2d\u8bb0\u5f55 make check \u7684\u98ce\u9669", "url": "/docs/compare/?release=9.0.16#9.0.16-10731528cb521bec"}], "evidence": "branch-matrix"}, {"id": "CVE-2014-0066", "title": "Potential null pointer dereference crash when crypt(3) returns NULL.", "url": "https://www.postgresql.org/support/security/CVE-2014-0066/", "score": 0.0, "vector": "AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:N", "description": "", "description_language": "en", "fixed": "9.0.16", "fixed_url": 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in size calculations.", "url": "https://www.postgresql.org/support/security/CVE-2014-0064/", "score": 6.5, "vector": "AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "description": "", "description_language": "en", "fixed": "9.0.16", "fixed_url": "/docs/compare/?release=9.0.16", "affected": "9.0", "component": "core server", "mentions": [{"build": "9.0.16", "version": "9.0.16", "title": "\u9632\u6b62\u5927\u5c0f\u8ba1\u7b97\u4e2d\u7684\u6574\u6570\u6ea2\u51fa\u5bfc\u81f4\u7f13\u51b2\u533a\u8d8a\u754c", "url": "/docs/compare/?release=9.0.16#9.0.16-a0252db5e81ebdfb"}], "evidence": "branch-matrix"}, {"id": "CVE-2014-0063", "title": "Potential buffer overruns in datetime input/output.", "url": "https://www.postgresql.org/support/security/CVE-2014-0063/", "score": 4.3, "vector": "AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "description": "", "description_language": "en", "fixed": "9.0.16", "fixed_url": "/docs/compare/?release=9.0.16", "affected": "9.0", "component": "core server", "mentions": [{"build": 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"title": "\u52a0\u56fa GRANT ... 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