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\u628a standard_conforming_strings \u7684\u9ed8\u8ba4\u503c\u6539\u4e3a on\uff08Robert Haas\uff09

\n

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\n
\n\n\u8b66\u544a\n

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\n
", "text": "\u628a standard_conforming_strings \u7684\u9ed8\u8ba4\u503c\u6539\u4e3a on\uff08Robert Haas\uff09 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u53cd\u659c\u6760\u73b0\u5728\u662f\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u4e2d\u7684\u666e\u901a\u5b57\u7b26\uff0c\u800c\u4e0d\u662f\u8f6c\u4e49\u5b57\u7b26\u3002\u6b64\u53d8\u66f4\u6d88\u9664\u4e86\u4e00\u4e2a\u4e0e SQL \u6807\u51c6\u957f\u671f\u5b58\u5728\u7684\u4e0d\u517c\u5bb9\u3002escape_string_warning \u591a\u5e74\u6765\u4e00\u76f4\u5bf9\u8fd9\u79cd\u7528\u6cd5\u53d1\u51fa\u8b66\u544a\u3002E'' \u5b57\u7b26\u4e32\u662f\u5728\u5b57\u7b26\u4e32\u4e2d\u5d4c\u5165\u53cd\u659c\u6760\u8f6c\u4e49\u7684\u6b63\u786e\u65b9\u5f0f\uff0c\u4e0d\u53d7\u6b64\u53d8\u66f4\u5f71\u54cd\u3002 \u8b66\u544a \u6b64\u53d8\u66f4\u53ef\u80fd\u7834\u574f\u672a\u9884\u6599\u5230\u5b83\u5e76\u6309\u65e7\u89c4\u5219\u81ea\u884c\u505a\u5b57\u7b26\u4e32\u8f6c\u4e49\u7684\u5e94\u7528\u3002\u540e\u679c\u53ef\u80fd\u4e25\u91cd\u5230\u5f15\u5165 SQL \u6ce8\u5165\u5b89\u5168\u6f0f\u6d1e\u3002\u52a1\u5fc5\u6d4b\u8bd5\u66b4\u9732\u4e8e\u4e0d\u53ef\u4fe1\u8f93\u5165\u7684\u5e94\u7528\uff0c\u786e\u4fdd\u5b83\u4eec\u6b63\u786e\u5904\u7406\u6587\u672c\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u5f15\u53f7\u548c\u53cd\u659c\u6760\u3002", "title": "\u628a standard_conforming_strings \u7684\u9ed8\u8ba4\u503c\u6539\u4e3a on", "commits": [], "section": "\u5b57\u7b26\u4e32", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.4", "source_hash": "db22180001979e6c5b3e9f1877cc72992c8c1474e73491e9441c5fa05e4dcd69", "section_path": ["\u5b57\u7b26\u4e32"], "commit_groups": [], "identity_text": "Change the default value of standard_conforming_strings to on (Robert Haas) By default, backslashes are now ordinary characters in string literals, not escape characters. This change removes a long-standing incompatibility with the SQL standard. escape_string_warning has produced warnings about this usage for years. E'' strings are the proper way to embed backslash escapes in strings and are unaffected by this change. This change can break applications that are not expecting it and do their own string escaping according to the old rules. The consequences could be as severe as introducing SQL-injection security holes. Be sure to test applications that are exposed to untrusted input, to ensure that they correctly handle single quotes and backslashes in text strings.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/001", "db_id": "68491f69c5375056ddd6bb75f172e864", "patch_ids": [], "statement_hash": "dedad57c5cdbceef18439ac1ff57be80d1490f34f1700a9ef6b438351cbd4fe0", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-3d14c7b18af21e63", "migration": true}, {"id": "9.1.0-e267d5c16d016b1c", "cves": [], "html": "

\u7981\u6b62\u5bf9\u7ec4\u5408\u7c7b\u578b\u4f7f\u7528\u51fd\u6570\u5f0f\u548c\u5c5e\u6027\u5f0f\u6570\u636e\u7c7b\u578b\u8f6c\u6362\uff08Tom Lane\uff09

\n

\u4f8b\u5982\uff0c\u7981\u6b62 composite_value.text \u548c text(composite_value)\u3002\u65e0\u610f\u4e2d\u4f7f\u7528\u8fd9\u79cd\u8bed\u6cd5\u5e38\u5e38\u5bfc\u81f4\u7f3a\u9677\u62a5\u544a\uff1b\u867d\u7136\u8fd9\u4e0d\u662f\u7f3a\u9677\uff0c\u4f46\u56de\u5230\u62d2\u7edd\u8fd9\u7c7b\u8868\u8fbe\u5f0f\u4f3c\u4e4e\u66f4\u597d\u3002\u5f53\u786e\u5b9e\u60f3\u8981\u8f6c\u6362\u6574\u4e2a\u7ec4\u5408\u503c\u65f6\uff0cCAST \u548c :: \u8bed\u6cd5\u4ecd\u7136\u53ef\u7528\u3002

", "text": "\u7981\u6b62\u5bf9\u7ec4\u5408\u7c7b\u578b\u4f7f\u7528\u51fd\u6570\u5f0f\u548c\u5c5e\u6027\u5f0f\u6570\u636e\u7c7b\u578b\u8f6c\u6362\uff08Tom Lane\uff09 \u4f8b\u5982\uff0c\u7981\u6b62 composite_value.text \u548c text(composite_value)\u3002\u65e0\u610f\u4e2d\u4f7f\u7528\u8fd9\u79cd\u8bed\u6cd5\u5e38\u5e38\u5bfc\u81f4\u7f3a\u9677\u62a5\u544a\uff1b\u867d\u7136\u8fd9\u4e0d\u662f\u7f3a\u9677\uff0c\u4f46\u56de\u5230\u62d2\u7edd\u8fd9\u7c7b\u8868\u8fbe\u5f0f\u4f3c\u4e4e\u66f4\u597d\u3002\u5f53\u786e\u5b9e\u60f3\u8981\u8f6c\u6362\u6574\u4e2a\u7ec4\u5408\u503c\u65f6\uff0cCAST \u548c :: \u8bed\u6cd5\u4ecd\u7136\u53ef\u7528\u3002", "title": "\u7981\u6b62\u5bf9\u7ec4\u5408\u7c7b\u578b\u4f7f\u7528\u51fd\u6570\u5f0f\u548c\u5c5e\u6027\u5f0f\u6570\u636e\u7c7b\u578b\u8f6c\u6362", "commits": [], "section": "\u7c7b\u578b\u8f6c\u6362", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.5", "source_hash": "e0d2e7ff9f4672f2df2b988aeb76dcd5a92c1f2eb94ac3b9c966e6ee8b6d83e8", "section_path": ["\u7c7b\u578b\u8f6c\u6362"], "commit_groups": [], "identity_text": "Disallow function-style and attribute-style data type casts for composite types (Tom Lane) For example, disallow composite_value.text and text(composite_value). Unintentional uses of this syntax have frequently resulted in bug reports; although it was not a bug, it seems better to go back to rejecting such expressions. The CAST and :: syntaxes are still available for use when a cast of an entire composite value is actually intended.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/002", "db_id": "6fc4b0b92171fa85b8a8c82a80c56651", "patch_ids": [], "statement_hash": "ba97fcb0b8091bd9ca810da3db24e44a76b12cad701cf33cfed36b106098795c", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-e267d5c16d016b1c", "migration": true}, {"id": "9.1.0-2d66033b0554bc02", "cves": [], "html": "

\u6536\u7d27\u5bf9\u57fa\u4e8e\u6570\u7ec4\u7684\u57df\u7684\u8f6c\u6362\u68c0\u67e5\uff08Tom Lane\uff09

\n

\u5f53\u57df\u57fa\u4e8e\u6570\u7ec4\u7c7b\u578b\u65f6\uff0c\u5141\u8bb8\u201c\u900f\u8fc7\u201d\u57df\u7c7b\u578b\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u5305\u62ec\u5bf9\u57df\u503c\u505a\u4e0b\u6807\u64cd\u4f5c\u6765\u83b7\u53d6\u6216\u8d4b\u503c\u5143\u7d20\u3002\u5bf9\u8fd9\u79cd\u57df\u503c\u7684\u5143\u7d20\u8d4b\u503c\uff08\u4f8b\u5982\u901a\u8fc7 UPDATE ... SET domaincol[5] = ...\uff09\u73b0\u5728\u4f1a\u91cd\u65b0\u68c0\u67e5\u57df\u7c7b\u578b\u7684\u7ea6\u675f\uff0c\u800c\u6b64\u524d\u4f1a\u8df3\u8fc7\u68c0\u67e5\u3002

", "text": "\u6536\u7d27\u5bf9\u57fa\u4e8e\u6570\u7ec4\u7684\u57df\u7684\u8f6c\u6362\u68c0\u67e5\uff08Tom Lane\uff09 \u5f53\u57df\u57fa\u4e8e\u6570\u7ec4\u7c7b\u578b\u65f6\uff0c\u5141\u8bb8\u201c\u900f\u8fc7\u201d\u57df\u7c7b\u578b\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u5305\u62ec\u5bf9\u57df\u503c\u505a\u4e0b\u6807\u64cd\u4f5c\u6765\u83b7\u53d6\u6216\u8d4b\u503c\u5143\u7d20\u3002\u5bf9\u8fd9\u79cd\u57df\u503c\u7684\u5143\u7d20\u8d4b\u503c\uff08\u4f8b\u5982\u901a\u8fc7 UPDATE ... SET domaincol[5] = ...\uff09\u73b0\u5728\u4f1a\u91cd\u65b0\u68c0\u67e5\u57df\u7c7b\u578b\u7684\u7ea6\u675f\uff0c\u800c\u6b64\u524d\u4f1a\u8df3\u8fc7\u68c0\u67e5\u3002", "title": "\u6536\u7d27\u5bf9\u57fa\u4e8e\u6570\u7ec4\u7684\u57df\u7684\u8f6c\u6362\u68c0\u67e5", "commits": [], "section": "\u7c7b\u578b\u8f6c\u6362", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.5", "source_hash": "af3f29388ff961d2c058092273bcbfb56e5abe5ecbfba9474ffd730bdd3486db", "section_path": ["\u7c7b\u578b\u8f6c\u6362"], "commit_groups": [], "identity_text": "Tighten casting checks for domains based on arrays (Tom Lane) When a domain is based on an array type, it is allowed to look through the domain type to access the array elements, including subscripting the domain value to fetch or assign an element. Assignment to an element of such a domain value, for instance via UPDATE ... SET domaincol[5] = ..., will now result in rechecking the domain type's constraints, whereas before the checks were skipped.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/003", "db_id": "2fba586e5b74ae4d1ada4875101bc2fb", "patch_ids": [], "statement_hash": "f9bbb727d12fb13939ada6dbb1cc06229b03ba51f455937d211cb7b6ec91b7e8", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-2d66033b0554bc02", "migration": true}, {"id": "9.1.0-7462e03ecedb56c4", "cves": [], "html": "

\u66f4\u6539 string_to_array()\uff0c\u4f7f\u5176\u5bf9\u96f6\u957f\u5ea6\u5b57\u7b26\u4e32\u8fd4\u56de\u7a7a\u6570\u7ec4\uff08Pavel Stehule\uff09

\n

\u6b64\u524d\u8fd9\u8fd4\u56de\u7a7a\u503c\u3002

", "text": "\u66f4\u6539 string_to_array()\uff0c\u4f7f\u5176\u5bf9\u96f6\u957f\u5ea6\u5b57\u7b26\u4e32\u8fd4\u56de\u7a7a\u6570\u7ec4\uff08Pavel Stehule\uff09 \u6b64\u524d\u8fd9\u8fd4\u56de\u7a7a\u503c\u3002", "title": "\u66f4\u6539 string_to_array()\uff0c\u4f7f\u5176\u5bf9\u96f6\u957f\u5ea6\u5b57\u7b26\u4e32\u8fd4\u56de\u7a7a\u6570\u7ec4", "commits": [], "section": "\u6570\u7ec4", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.6", "source_hash": "07f4b51e9f98b2677848e6abffdc4eca08abc625f17c99ec67e6dc8ca04e913a", "section_path": ["\u6570\u7ec4"], "commit_groups": [], "identity_text": "Change string_to_array() to return an empty array for a zero-length string (Pavel Stehule) Previously this returned a null value.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/004", "db_id": "d6085f706243e932e033aef5acd6d6ef", "patch_ids": [], "statement_hash": "fd10b25633772be8238c9cee0ccb02d11b8ca2113ba908d7ee28d94da254999a", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-7462e03ecedb56c4", "migration": true}, {"id": "9.1.0-a8c84c381410ce55", "cves": [], "html": "

\u66f4\u6539 string_to_array()\uff0c\u4f7f NULL \u5206\u9694\u7b26\u628a\u5b57\u7b26\u4e32\u62c6\u5206\u4e3a\u5b57\u7b26\uff08Pavel Stehule\uff09

\n

\u6b64\u524d\u8fd9\u8fd4\u56de\u7a7a\u503c\u3002

", "text": "\u66f4\u6539 string_to_array()\uff0c\u4f7f NULL \u5206\u9694\u7b26\u628a\u5b57\u7b26\u4e32\u62c6\u5206\u4e3a\u5b57\u7b26\uff08Pavel Stehule\uff09 \u6b64\u524d\u8fd9\u8fd4\u56de\u7a7a\u503c\u3002", "title": "\u66f4\u6539 string_to_array()\uff0c\u4f7f NULL \u5206\u9694\u7b26\u628a\u5b57\u7b26\u4e32\u62c6\u5206\u4e3a\u5b57\u7b26", "commits": [], "section": "\u6570\u7ec4", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.6", "source_hash": "93993a34714c5da33a0f1c440f61e7d05c947dfd73a26eb63f08b3f360b24b48", "section_path": ["\u6570\u7ec4"], "commit_groups": [], "identity_text": "Change string_to_array() so a NULL separator splits the string into characters (Pavel Stehule) Previously this returned a null value.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/005", "db_id": "43a870b4fa526e1a53d3fd14894f99b9", "patch_ids": [], "statement_hash": "4ed96b20ce3ca09d55c9fc4f1b1f39ee598ee8df130da4c113869173113b9212", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-a8c84c381410ce55", "migration": true}, {"id": "9.1.0-aa32af9c0004b415", "cves": [], "html": "

\u4fee\u590d\u5bf9 BEFORE/AFTER \u89e6\u53d1\u5668\u7684\u4e0d\u5f53\u68c0\u67e5\uff08Tom Lane\uff09

\n

\u89e6\u53d1\u5668\u73b0\u5728\u53ef\u4ee5\u5728\u4e09\u79cd\u60c5\u51b5\u4e0b\u89e6\u53d1\uff1a\u67d0\u52a8\u4f5c\u7684 BEFORE\u3001AFTER \u6216 INSTEAD OF\u3002\u89e6\u53d1\u5668\u51fd\u6570\u4f5c\u8005\u5e94\u9a8c\u8bc1\u5176\u903b\u8f91\u5728\u4e09\u79cd\u60c5\u51b5\u4e0b\u90fd\u8868\u73b0\u6b63\u5e38\u3002

", "text": "\u4fee\u590d\u5bf9 BEFORE/AFTER \u89e6\u53d1\u5668\u7684\u4e0d\u5f53\u68c0\u67e5\uff08Tom Lane\uff09 \u89e6\u53d1\u5668\u73b0\u5728\u53ef\u4ee5\u5728\u4e09\u79cd\u60c5\u51b5\u4e0b\u89e6\u53d1\uff1a\u67d0\u52a8\u4f5c\u7684 BEFORE\u3001AFTER \u6216 INSTEAD OF\u3002\u89e6\u53d1\u5668\u51fd\u6570\u4f5c\u8005\u5e94\u9a8c\u8bc1\u5176\u903b\u8f91\u5728\u4e09\u79cd\u60c5\u51b5\u4e0b\u90fd\u8868\u73b0\u6b63\u5e38\u3002", "title": "\u4fee\u590d\u5bf9 BEFORE/AFTER \u89e6\u53d1\u5668\u7684\u4e0d\u5f53\u68c0\u67e5", "commits": [], "section": "\u5bf9\u8c61\u4fee\u6539", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.7", "source_hash": "0541a5678494de5ecf75d96a41ca361213b9eb45d23dbc81d9a811147569d776", "section_path": ["\u5bf9\u8c61\u4fee\u6539"], "commit_groups": [], "identity_text": "Fix improper checks for before/after triggers (Tom Lane) Triggers can now be fired in three cases: BEFORE, AFTER, or INSTEAD OF some action. Trigger function authors should verify that their logic behaves sanely in all three cases.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/006", "db_id": "46b7f3e31ae6d9672cb39af9a4049773", "patch_ids": [], "statement_hash": "858f0f1c3e59320c1945d036307046d0e0c9fc6c086532781ab82f80ea6dada1", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-aa32af9c0004b415", "migration": true}, {"id": "9.1.0-c536c3b461885e5a", "cves": [], "html": "

\u8981\u6c42\u8d85\u7ea7\u7528\u6237\u6216 CREATEROLE \u6743\u9650\u624d\u80fd\u4e3a\u89d2\u8272\u8bbe\u7f6e\u6ce8\u91ca\uff08Tom Lane\uff09

", "text": "\u8981\u6c42\u8d85\u7ea7\u7528\u6237\u6216 CREATEROLE \u6743\u9650\u624d\u80fd\u4e3a\u89d2\u8272\u8bbe\u7f6e\u6ce8\u91ca\uff08Tom Lane\uff09", "title": "\u8981\u6c42\u8d85\u7ea7\u7528\u6237\u6216 CREATEROLE \u6743\u9650\u624d\u80fd\u4e3a\u89d2\u8272\u8bbe\u7f6e\u6ce8\u91ca", "commits": [], "section": "\u5bf9\u8c61\u4fee\u6539", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.7", "source_hash": "f806de15eebf0a495dcb7e598ad558e451dfb9af2f09434891e70d9e2d41ee4e", "section_path": ["\u5bf9\u8c61\u4fee\u6539"], "commit_groups": [], "identity_text": "Require superuser or CREATEROLE permissions in order to set comments on roles (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/007", "db_id": "d77dff75bf305a4e139b51c6c2bbed43", "patch_ids": [], "statement_hash": "dbb1329e2c5fa79dee40ff4e9810763c7b1d010fc973e0afd2e40a228121ec9e", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-c536c3b461885e5a", "migration": true}, {"id": "9.1.0-08415aa85e05c659", "cves": [], "html": "

\u66f4\u6539 pg_last_xlog_receive_location()\uff0c\u4f7f\u5176\u6c38\u4e0d\u5012\u9000\uff08Fujii Masao\uff09

\n

\u6b64\u524d\uff0c\u5f53\u6d41\u590d\u5236\u91cd\u542f\u65f6\uff0cpg_last_xlog_receive_location() \u7684\u503c\u53ef\u80fd\u5012\u9000\u3002

", "text": "\u66f4\u6539 pg_last_xlog_receive_location()\uff0c\u4f7f\u5176\u6c38\u4e0d\u5012\u9000\uff08Fujii Masao\uff09 \u6b64\u524d\uff0c\u5f53\u6d41\u590d\u5236\u91cd\u542f\u65f6\uff0cpg_last_xlog_receive_location() \u7684\u503c\u53ef\u80fd\u5012\u9000\u3002", "title": "\u66f4\u6539 pg_last_xlog_receive_location()\uff0c\u4f7f\u5176\u6c38\u4e0d\u5012\u9000", "commits": [], "section": "\u670d\u52a1\u5668\u8bbe\u7f6e", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.8", "source_hash": "b6be4a486bac29f310a3069edd4ba30218a3d248af28a84a8a8b1a6d466f9f9c", "section_path": ["\u670d\u52a1\u5668\u8bbe\u7f6e"], "commit_groups": [], "identity_text": "Change pg_last_xlog_receive_location() so it never moves backwards (Fujii Masao) Previously, the value of pg_last_xlog_receive_location() could move backward when streaming replication is restarted.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/008", "db_id": "8f708943a2553a135344292dd9986123", "patch_ids": [], "statement_hash": "da98334f86c0e376f1dcd4795ef6607cd85dbac0d8db70d860177c0bc817f57f", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-08415aa85e05c659", "migration": true}, {"id": "9.1.0-ce948f07c79c6890", "cves": [], "html": "

\u8ba9\u590d\u5236\u8fde\u63a5\u7684\u65e5\u5fd7\u8bb0\u5f55\u9075\u5faa log_connections\uff08Magnus Hagander\uff09

\n

\u6b64\u524d\u590d\u5236\u8fde\u63a5\u603b\u662f\u88ab\u8bb0\u5f55\u3002

", "text": "\u8ba9\u590d\u5236\u8fde\u63a5\u7684\u65e5\u5fd7\u8bb0\u5f55\u9075\u5faa log_connections\uff08Magnus Hagander\uff09 \u6b64\u524d\u590d\u5236\u8fde\u63a5\u603b\u662f\u88ab\u8bb0\u5f55\u3002", "title": "\u8ba9\u590d\u5236\u8fde\u63a5\u7684\u65e5\u5fd7\u8bb0\u5f55\u9075\u5faa log_connections", "commits": [], "section": "\u670d\u52a1\u5668\u8bbe\u7f6e", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.8", "source_hash": "64e305724782dcf952a30ccf21668f9439b4b79a59cf69873274596780bb43d9", "section_path": ["\u670d\u52a1\u5668\u8bbe\u7f6e"], "commit_groups": [], "identity_text": "Have logging of replication connections honor log_connections (Magnus Hagander) Previously, replication connections were always logged.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/009", "db_id": "61b6483661383d3f8411f8e9eaef268a", "patch_ids": [], "statement_hash": "e3dfe4b84c2aef836ea74766ecd9787b78d2b5a9f661f2c591c0fb52801e7108", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-ce948f07c79c6890", "migration": true}, {"id": "9.1.0-2518df69e663492e", "cves": [], "html": "

\u66f4\u6539 PL/pgSQL \u7684\u65e0\u53c2\u6570 RAISE \u547d\u4ee4\uff0c\u4f7f\u5176\u53ef\u88ab\u6240\u9644\u52a0\u7684\u5f02\u5e38\u5757\u6355\u83b7\uff08Piyush Newe\uff09

\n

\u6b64\u524d\u4ee3\u7801\u5757\u4e2d\u7684 RAISE \u603b\u662f\u4f5c\u7528\u4e8e\u6240\u9644\u52a0\u7684\u5f02\u5e38\u5757\uff0c\u56e0\u6b64\u5728\u540c\u4e00\u4f5c\u7528\u57df\u5185\u65e0\u6cd5\u6355\u83b7\u3002

", "text": "\u66f4\u6539 PL/pgSQL \u7684\u65e0\u53c2\u6570 RAISE \u547d\u4ee4\uff0c\u4f7f\u5176\u53ef\u88ab\u6240\u9644\u52a0\u7684\u5f02\u5e38\u5757\u6355\u83b7\uff08Piyush Newe\uff09 \u6b64\u524d\u4ee3\u7801\u5757\u4e2d\u7684 RAISE \u603b\u662f\u4f5c\u7528\u4e8e\u6240\u9644\u52a0\u7684\u5f02\u5e38\u5757\uff0c\u56e0\u6b64\u5728\u540c\u4e00\u4f5c\u7528\u57df\u5185\u65e0\u6cd5\u6355\u83b7\u3002", "title": "\u66f4\u6539 PL/pgSQL \u7684\u65e0\u53c2\u6570 RAISE \u547d\u4ee4\uff0c\u4f7f\u5176\u53ef\u88ab\u6240\u9644\u52a0\u7684\u5f02\u5e38\u5757\u6355\u83b7", "commits": [], "section": "PL/pgSQL Server-Side Language", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.9", "source_hash": "8793c19faac87fa49a6e14018769f24169c41cf97271356cfc601b9311d64c83", "section_path": ["PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Change PL/pgSQL's RAISE command without parameters to be catchable by the attached exception block (Piyush Newe) Previously RAISE in a code block was always scoped to an attached exception block, so it was uncatchable at the same scope.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/010", "db_id": "b2c151634d90ef72c135ea462ed2e7c6", "patch_ids": [], "statement_hash": "750001173b7a34a313ffecf0c28e3f3177a78130b3c755f3d7bf7f44bcf0aad0", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-2518df69e663492e", "migration": true}, {"id": "9.1.0-a494fe3a56f16978", "cves": [], "html": "

\u8c03\u6574 PL/pgSQL \u7684\u9519\u8bef\u884c\u53f7\u4ee3\u7801\uff0c\u4f7f\u5176\u4e0e\u5176\u4ed6\u8fc7\u7a0b\u8bed\u8a00\u4e00\u81f4\uff08Pavel Stehule\uff09

\n

\u6b64\u524d PL/pgSQL \u4f1a\u5ffd\u7565\uff08\u4e0d\u8ba1\u6570\uff09\u51fd\u6570\u4f53\u5f00\u5934\u7684\u7a7a\u884c\u3002\u7531\u4e8e\u8fd9\u4e0e\u5176\u4ed6\u6240\u6709\u8bed\u8a00\u4e0d\u4e00\u81f4\uff0c\u8be5\u7279\u6b8a\u60c5\u51b5\u5df2\u88ab\u79fb\u9664\u3002

", "text": "\u8c03\u6574 PL/pgSQL \u7684\u9519\u8bef\u884c\u53f7\u4ee3\u7801\uff0c\u4f7f\u5176\u4e0e\u5176\u4ed6\u8fc7\u7a0b\u8bed\u8a00\u4e00\u81f4\uff08Pavel Stehule\uff09 \u6b64\u524d PL/pgSQL \u4f1a\u5ffd\u7565\uff08\u4e0d\u8ba1\u6570\uff09\u51fd\u6570\u4f53\u5f00\u5934\u7684\u7a7a\u884c\u3002\u7531\u4e8e\u8fd9\u4e0e\u5176\u4ed6\u6240\u6709\u8bed\u8a00\u4e0d\u4e00\u81f4\uff0c\u8be5\u7279\u6b8a\u60c5\u51b5\u5df2\u88ab\u79fb\u9664\u3002", "title": "\u8c03\u6574 PL/pgSQL \u7684\u9519\u8bef\u884c\u53f7\u4ee3\u7801\uff0c\u4f7f\u5176\u4e0e\u5176\u4ed6\u8fc7\u7a0b\u8bed\u8a00\u4e00\u81f4", "commits": [], "section": "PL/pgSQL Server-Side Language", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.9", "source_hash": "86516254ffbf1e8b6c1f7073719a4b9286a9bae0ee3c49444ada16cfcd3e52e2", "section_path": ["PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Adjust PL/pgSQL's error line numbering code to be consistent with other PLs (Pavel Stehule) Previously, PL/pgSQL would ignore (not count) an empty line at the start of the function body. Since this was inconsistent with all other languages, the special case was removed.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/011", "db_id": "3f41a73d8787104a66bd7adbb09e6c06", "patch_ids": [], "statement_hash": "464ceca932b2916468c5709a00169c10bbcc2e9a59e29df069afb8267c5ee940", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-a494fe3a56f16978", "migration": true}, {"id": "9.1.0-550e4aaf08bee2ce", "cves": [], "html": "

\u8ba9 PL/pgSQL \u5bf9 IN \u548c OUT \u53c2\u6570\u540d\u51b2\u7a81\u62a5\u9519\uff08Tom Lane\uff09

\n

\u6b64\u524d\u4e0d\u4f1a\u68c0\u6d4b\u51b2\u7a81\uff0c\u8be5\u540d\u79f0\u4f1a\u9759\u9ed8\u5730\u53ea\u6307\u5411 OUT \u53c2\u6570\u3002

", "text": "\u8ba9 PL/pgSQL \u5bf9 IN \u548c OUT \u53c2\u6570\u540d\u51b2\u7a81\u62a5\u9519\uff08Tom Lane\uff09 \u6b64\u524d\u4e0d\u4f1a\u68c0\u6d4b\u51b2\u7a81\uff0c\u8be5\u540d\u79f0\u4f1a\u9759\u9ed8\u5730\u53ea\u6307\u5411 OUT \u53c2\u6570\u3002", "title": "\u8ba9 PL/pgSQL \u5bf9 IN \u548c OUT \u53c2\u6570\u540d\u51b2\u7a81\u62a5\u9519", "commits": [], "section": "PL/pgSQL Server-Side Language", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.9", "source_hash": "482a6ea25f29fd5ed6f496d694b251a3e38e328c05ab3799aafa8eb390c95acc", "section_path": ["PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Make PL/pgSQL complain about conflicting IN and OUT parameter names (Tom Lane) Formerly, the collision was not detected, and the name would just silently refer to only the OUT parameter.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/012", "db_id": "de936feb3dff05e890f6a274bbd15809", "patch_ids": [], "statement_hash": "f8bdcc738dcfb8503ce2718148143a36df1fcac3e509cbb8bfab33eca92fed78", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-550e4aaf08bee2ce", "migration": true}, {"id": "9.1.0-b064ba2139ef02de", "cves": [], "html": "

PL/pgSQL \u53d8\u91cf\u7684\u7c7b\u578b\u4fee\u9970\u7b26\u73b0\u5728\u5bf9 SQL \u89e3\u6790\u5668\u53ef\u89c1\uff08Tom Lane\uff09

\n

\u9644\u52a0\u5230 PL/pgSQL \u53d8\u91cf\u7684\u7c7b\u578b\u4fee\u9970\u7b26\uff08\u5982 varchar \u957f\u5ea6\u9650\u5236\uff09\u6b64\u524d\u53ea\u5728\u8d4b\u503c\u671f\u95f4\u5f3a\u5236\u6267\u884c\uff0c\u5176\u4ed6\u7528\u9014\u4e00\u5f8b\u5ffd\u7565\u3002\u8fd9\u7c7b\u53d8\u91cf\u73b0\u5728\u7684\u884c\u4e3a\u5c06\u66f4\u50cf\u662f\u7528\u76f8\u540c\u4fee\u9970\u7b26\u58f0\u660e\u7684\u8868\u5217\u3002\u9884\u8ba1\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u8fd9\u4e0d\u4f1a\u9020\u6210\u53ef\u89c1\u5dee\u5f02\uff0c\u4f46\u53ef\u80fd\u7ed9 PL/pgSQL \u51fd\u6570\u53d1\u51fa\u7684\u67d0\u4e9b SQL \u547d\u4ee4\u5e26\u6765\u7ec6\u5fae\u53d8\u5316\u3002

", "text": "PL/pgSQL \u53d8\u91cf\u7684\u7c7b\u578b\u4fee\u9970\u7b26\u73b0\u5728\u5bf9 SQL \u89e3\u6790\u5668\u53ef\u89c1\uff08Tom Lane\uff09 \u9644\u52a0\u5230 PL/pgSQL \u53d8\u91cf\u7684\u7c7b\u578b\u4fee\u9970\u7b26\uff08\u5982 varchar \u957f\u5ea6\u9650\u5236\uff09\u6b64\u524d\u53ea\u5728\u8d4b\u503c\u671f\u95f4\u5f3a\u5236\u6267\u884c\uff0c\u5176\u4ed6\u7528\u9014\u4e00\u5f8b\u5ffd\u7565\u3002\u8fd9\u7c7b\u53d8\u91cf\u73b0\u5728\u7684\u884c\u4e3a\u5c06\u66f4\u50cf\u662f\u7528\u76f8\u540c\u4fee\u9970\u7b26\u58f0\u660e\u7684\u8868\u5217\u3002\u9884\u8ba1\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u8fd9\u4e0d\u4f1a\u9020\u6210\u53ef\u89c1\u5dee\u5f02\uff0c\u4f46\u53ef\u80fd\u7ed9 PL/pgSQL \u51fd\u6570\u53d1\u51fa\u7684\u67d0\u4e9b SQL \u547d\u4ee4\u5e26\u6765\u7ec6\u5fae\u53d8\u5316\u3002", "title": "PL/pgSQL \u53d8\u91cf\u7684\u7c7b\u578b\u4fee\u9970\u7b26\u73b0\u5728\u5bf9 SQL \u89e3\u6790\u5668\u53ef\u89c1", "commits": [], "section": "PL/pgSQL Server-Side Language", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.9", "source_hash": "7bbbffd5d0a3576e7b6d55468126ade4719ac7762d29c80612ae4cc76b209dd7", "section_path": ["PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Type modifiers of PL/pgSQL variables are now visible to the SQL parser (Tom Lane) A type modifier (such as a varchar length limit) attached to a PL/pgSQL variable was formerly enforced during assignments, but was ignored for all other purposes. Such variables will now behave more like table columns declared with the same modifier. This is not expected to make any visible difference in most cases, but it could result in subtle changes for some SQL commands issued by PL/pgSQL functions.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/013", "db_id": "fbb635a3b0b777063ef8c990772a2265", "patch_ids": [], "statement_hash": "2645b50c9280a1dd40e4dca7ea974be7cbb8bc32441b03b2ad9dfdadea61c48b", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-b064ba2139ef02de", "migration": true}, {"id": "9.1.0-e14061bb4402811f", "cves": [], "html": "

\u6240\u6709 contrib \u6a21\u5757\u73b0\u5728\u90fd\u901a\u8fc7 CREATE EXTENSION \u5b89\u88c5\uff0c\u800c\u4e0d\u662f\u624b\u5de5\u8c03\u7528\u5176 SQL \u811a\u672c\uff08Dimitri Fontaine\u3001Tom Lane\uff09

\n

\u8981\u66f4\u65b0\u5305\u542b\u67d0 contrib \u6a21\u5757 9.0 \u7248\u672c\u7684\u73b0\u6709\u6570\u636e\u5e93\uff0c\u4f7f\u7528 CREATE EXTENSION ... FROM unpackaged \u628a\u73b0\u6709 contrib \u6a21\u5757\u7684\u5bf9\u8c61\u5305\u88c5\u6210\u6269\u5c55\u3002\u4ece 9.0 \u4e4b\u524d\u7684\u7248\u672c\u66f4\u65b0\u65f6\uff0c\u5148\u7528\u65e7\u7684\u5378\u8f7d\u811a\u672c\u5220\u9664\u8be5 contrib \u6a21\u5757\u7684\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528 CREATE EXTENSION\u3002

", "text": "\u6240\u6709 contrib \u6a21\u5757\u73b0\u5728\u90fd\u901a\u8fc7 CREATE EXTENSION \u5b89\u88c5\uff0c\u800c\u4e0d\u662f\u624b\u5de5\u8c03\u7528\u5176 SQL \u811a\u672c\uff08Dimitri Fontaine\u3001Tom Lane\uff09 \u8981\u66f4\u65b0\u5305\u542b\u67d0 contrib \u6a21\u5757 9.0 \u7248\u672c\u7684\u73b0\u6709\u6570\u636e\u5e93\uff0c\u4f7f\u7528 CREATE EXTENSION ... FROM unpackaged \u628a\u73b0\u6709 contrib \u6a21\u5757\u7684\u5bf9\u8c61\u5305\u88c5\u6210\u6269\u5c55\u3002\u4ece 9.0 \u4e4b\u524d\u7684\u7248\u672c\u66f4\u65b0\u65f6\uff0c\u5148\u7528\u65e7\u7684\u5378\u8f7d\u811a\u672c\u5220\u9664\u8be5 contrib \u6a21\u5757\u7684\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528 CREATE EXTENSION\u3002", "title": "\u6240\u6709 contrib \u6a21\u5757\u73b0\u5728\u90fd\u901a\u8fc7 CREATE EXTENSION \u5b89\u88c5\uff0c\u800c\u4e0d\u662f\u624b\u5de5\u8c03\u7528\u5176 SQL \u811a\u672c", "commits": [], "section": "\u9644\u52a0\u6a21\u5757", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.10", "source_hash": "a2b03473a511ef09dbda5ac26f3be90dad7900989173908a20f66c04e0087699", "section_path": ["\u9644\u52a0\u6a21\u5757"], "commit_groups": [], "identity_text": "All contrib modules are now installed with CREATE EXTENSION rather than by manually invoking their SQL scripts (Dimitri Fontaine, Tom Lane) To update an existing database containing the 9.0 version of a contrib module, use CREATE EXTENSION ... FROM unpackaged to wrap the existing contrib module's objects into an extension. When updating from a pre-9.0 version, drop the contrib module's objects using its old uninstall script, then use CREATE EXTENSION.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/014", "db_id": "352181eef1f573c76edc9e7e3624b155", "patch_ids": [], "statement_hash": "569e2199539a041fcb41806c60983fd47a415311111204481247ac8e2c7fbb09", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-e14061bb4402811f", "migration": true}, {"id": "9.1.0-46d4e420654af028", "cves": [], "html": "

\u8ba9 pg_stat_reset() \u91cd\u7f6e\u6240\u6709\u6570\u636e\u5e93\u7ea7\u7edf\u8ba1\u4fe1\u606f\uff08Tomas Vondra\uff09

\n

\u4e00\u4e9b pg_stat_database \u8ba1\u6570\u5668\u6b64\u524d\u6ca1\u6709\u88ab\u91cd\u7f6e\u3002

", "text": "\u8ba9 pg_stat_reset() \u91cd\u7f6e\u6240\u6709\u6570\u636e\u5e93\u7ea7\u7edf\u8ba1\u4fe1\u606f\uff08Tomas Vondra\uff09 \u4e00\u4e9b pg_stat_database \u8ba1\u6570\u5668\u6b64\u524d\u6ca1\u6709\u88ab\u91cd\u7f6e\u3002", "title": "\u8ba9 pg_stat_reset() \u91cd\u7f6e\u6240\u6709\u6570\u636e\u5e93\u7ea7\u7edf\u8ba1\u4fe1\u606f", "commits": [], "section": "\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.11", "source_hash": "776e5248ac81118da7fc97bdf3a58a745a23b315c85621f9dccfa1e821443f03", "section_path": ["\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904"], "commit_groups": [], "identity_text": "Make pg_stat_reset() reset all database-level statistics (Tomas Vondra) Some pg_stat_database counters were not being reset.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/015", "db_id": "2eea75a7b4492f6096701a5e667204e4", "patch_ids": [], "statement_hash": "14cfec72519becc75cab514cc0ef2780f5fdd5d69d0f3749b545e4dccb8eb54e", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-46d4e420654af028", "migration": true}, {"id": "9.1.0-d7a5f1b10a628bc8", "cves": [], "html": "

\u4fee\u6b63\u4e00\u4e9b information_schema.triggers \u5217\u540d\uff0c\u4f7f\u5176\u4e0e\u65b0\u7684 SQL \u6807\u51c6\u540d\u79f0\u4e00\u81f4\uff08Dean Rasheed\uff09

", "text": "\u4fee\u6b63\u4e00\u4e9b information_schema.triggers \u5217\u540d\uff0c\u4f7f\u5176\u4e0e\u65b0\u7684 SQL \u6807\u51c6\u540d\u79f0\u4e00\u81f4\uff08Dean Rasheed\uff09", "title": "\u4fee\u6b63\u4e00\u4e9b information_schema.triggers \u5217\u540d\uff0c\u4f7f\u5176\u4e0e\u65b0\u7684 SQL \u6807\u51c6\u540d\u79f0\u4e00\u81f4", "commits": [], "section": "\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.11", "source_hash": "99fa26dd3febeec76f4e6474e95c53253b1b5eedcfe9adcd0c2e6c765aa56739", "section_path": ["\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904"], "commit_groups": [], "identity_text": "Fix some information_schema.triggers column names to match the new SQL-standard names (Dean Rasheed)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/016", "db_id": "35d728531614663bd2a1c88df6f9087c", "patch_ids": [], "statement_hash": "26e7afd15c9c62ef5a52d6dab5411818c2c1c0eb6353504934cbb73a68b56278", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-d7a5f1b10a628bc8", "migration": true}, {"id": "9.1.0-e4924272b2eedd77", "cves": [], "html": "

\u628a ECPG \u6e38\u6807\u540d\u89c6\u4e3a\u5927\u5c0f\u5199\u4e0d\u654f\u611f\uff08Zoltan Boszormenyi\uff09

", "text": "\u628a ECPG \u6e38\u6807\u540d\u89c6\u4e3a\u5927\u5c0f\u5199\u4e0d\u654f\u611f\uff08Zoltan Boszormenyi\uff09", "title": "\u628a ECPG \u6e38\u6807\u540d\u89c6\u4e3a\u5927\u5c0f\u5199\u4e0d\u654f\u611f", "commits": [], "section": "\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904", "category": "compatibility", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.4.11", "source_hash": "ab401c545e8ab4f3c85c101c4694e0b0c46f9154e8d043b9c336d0863facac24", "section_path": ["\u5176\u4ed6\u4e0d\u517c\u5bb9\u4e4b\u5904"], "commit_groups": [], "identity_text": "Treat ECPG cursor names as case-insensitive (Zoltan Boszormenyi)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/migration/017", "db_id": "5cf5a43db59ea2b515e2c4c75a4281cd", "patch_ids": [], "statement_hash": "7803d0c906f8fe4d38dd20570dab54cbcd28c7ced9943b9e4c37c5a833eced1a", "relations": [], "category_label": "\u517c\u5bb9\u6027\u53d8\u5316", "url": "/docs/compare/?release=9.1.0#9.1.0-e4924272b2eedd77", "migration": true}, {"id": "9.1.0-cf53477956f73c91", "cves": [], "html": "

\u652f\u6301\u5728 CREATE TABLE \u4e2d\u4f7f\u7528 UNLOGGED \u9009\u9879\u7684\u4e0d\u8bb0\u5f55\u65e5\u5fd7\u7684\u8868\uff08Robert Haas\uff09

\n

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", "text": "\u652f\u6301\u5728 CREATE TABLE \u4e2d\u4f7f\u7528 UNLOGGED \u9009\u9879\u7684\u4e0d\u8bb0\u5f55\u65e5\u5fd7\u7684\u8868\uff08Robert Haas\uff09 \u8fd9\u7c7b\u8868\u6bd4\u5e38\u89c4\u8868\u63d0\u4f9b\u66f4\u597d\u7684\u66f4\u65b0\u6027\u80fd\uff0c\u4f46\u4e0d\u662f\u5d29\u6e83\u5b89\u5168\u7684\uff1a\u670d\u52a1\u5668\u5d29\u6e83\u65f6\u5176\u5185\u5bb9\u4f1a\u88ab\u81ea\u52a8\u6e05\u9664\u3002\u5176\u5185\u5bb9\u4e5f\u4e0d\u4f1a\u4f20\u64ad\u5230\u590d\u5236\u4ece\u5e93\u3002", "title": "\u652f\u6301\u5728 CREATE TABLE \u4e2d\u4f7f\u7528 UNLOGGED \u9009\u9879\u7684\u4e0d\u8bb0\u5f55\u65e5\u5fd7\u7684\u8868", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.2", "source_hash": "eca0760229aa47061028694ea2af17bdee828c60937e5b20d5d2890ed1f37711", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Support unlogged tables using the UNLOGGED option in CREATE TABLE (Robert Haas) Such tables provide better update performance than regular tables, but are not crash-safe: their contents are automatically cleared in case of a server crash. Their contents do not propagate to replication slaves, either.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/001", "db_id": "fd2e0d6106f52359592c6369a238390a", "patch_ids": [], "statement_hash": "93ce255485d37d1906224b507409f30390f3791c8fcfce40c196fa4527f60edd", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-cf53477956f73c91", "migration": false}, {"id": "9.1.0-28ad201613196e37", "cves": [], "html": "

\u5141\u8bb8\u628a FULL OUTER JOIN \u5b9e\u73b0\u4e3a\u54c8\u5e0c\u8fde\u63a5\uff0c\u5e76\u5141\u8bb8\u5bf9 LEFT OUTER JOIN \u6216 RIGHT OUTER JOIN \u7684\u4efb\u4e00\u4fa7\u505a\u54c8\u5e0c\uff08Tom Lane\uff09

\n

\u6b64\u524d FULL OUTER JOIN \u53ea\u80fd\u5b9e\u73b0\u4e3a\u5408\u5e76\u8fde\u63a5\uff0c\u800c LEFT OUTER JOIN \u548c RIGHT OUTER JOIN \u53ea\u80fd\u5bf9\u8fde\u63a5\u7684\u53ef\u7a7a\u4fa7\u505a\u54c8\u5e0c\u3002\u8fd9\u4e9b\u53d8\u66f4\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u67e5\u8be2\u4f18\u5316\u53ef\u80fd\u6027\u3002

", "text": "\u5141\u8bb8\u628a FULL OUTER JOIN \u5b9e\u73b0\u4e3a\u54c8\u5e0c\u8fde\u63a5\uff0c\u5e76\u5141\u8bb8\u5bf9 LEFT OUTER JOIN \u6216 RIGHT OUTER JOIN \u7684\u4efb\u4e00\u4fa7\u505a\u54c8\u5e0c\uff08Tom Lane\uff09 \u6b64\u524d FULL OUTER JOIN \u53ea\u80fd\u5b9e\u73b0\u4e3a\u5408\u5e76\u8fde\u63a5\uff0c\u800c LEFT OUTER JOIN \u548c RIGHT OUTER JOIN \u53ea\u80fd\u5bf9\u8fde\u63a5\u7684\u53ef\u7a7a\u4fa7\u505a\u54c8\u5e0c\u3002\u8fd9\u4e9b\u53d8\u66f4\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u67e5\u8be2\u4f18\u5316\u53ef\u80fd\u6027\u3002", "title": "\u5141\u8bb8\u628a FULL OUTER JOIN \u5b9e\u73b0\u4e3a\u54c8\u5e0c\u8fde\u63a5\uff0c\u5e76\u5141\u8bb8\u5bf9 LEFT OUTER JOIN \u6216 RIGHT OUTER JOIN \u7684\u4efb\u4e00\u4fa7\u505a\u54c8\u5e0c", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.2", "source_hash": "f03558a85d3fbef769748f2102ec4261257178788f0d36fcb88e41235c63ba75", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Allow FULL OUTER JOIN to be implemented as a hash join, and allow either side of a LEFT OUTER JOIN or RIGHT OUTER JOIN to be hashed (Tom Lane) Previously FULL OUTER JOIN could only be implemented as a merge join, and LEFT OUTER JOIN and RIGHT OUTER JOIN could hash only the nullable side of the join. These changes provide additional query optimization possibilities.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/002", "db_id": "1b59d20c90cf2bc359ed5770652ade54", "patch_ids": [], "statement_hash": "6174ed17ace43a270d4b28836edaf9fab92f5844a0e3fd8a4964013738fbb6a1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-28ad201613196e37", "migration": false}, {"id": "9.1.0-5d150babc35e3eb8", "cves": [], "html": "

\u5408\u5e76\u91cd\u590d\u7684 fsync \u8bf7\u6c42\uff08Robert Haas\u3001Greg Smith\uff09

\n

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", "text": "\u5408\u5e76\u91cd\u590d\u7684 fsync \u8bf7\u6c42\uff08Robert Haas\u3001Greg Smith\uff09 \u8fd9\u5927\u5e45\u6539\u8fdb\u4e86\u91cd\u5199\u8d1f\u8f7d\u4e0b\u7684\u6027\u80fd\u3002", "title": "\u5408\u5e76\u91cd\u590d\u7684 fsync \u8bf7\u6c42", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.2", "source_hash": "c15f845c16ac133ae986ddc9f467513a4cc87daf8140b91b9a1fe96d9bf86655", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Merge duplicate fsync requests (Robert Haas, Greg Smith) This greatly improves performance under heavy write loads.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/003", "db_id": "6bcfcdc498c34cd89a7f5a27ca57ef70", "patch_ids": [], "statement_hash": "c55603b3e827968472d3eb1f56346871991f77152317ce2f3aae23a0de15eb00", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-5d150babc35e3eb8", "migration": false}, {"id": "9.1.0-fb308d53051dadef", "cves": [], "html": "

\u6539\u8fdb commit_siblings \u7684\u6027\u80fd\uff08Greg Smith\uff09

\n

\u8fd9\u4f7f commit_siblings \u7684\u4f7f\u7528\u5f00\u9500\u66f4\u4f4e\u3002

", "text": "\u6539\u8fdb commit_siblings \u7684\u6027\u80fd\uff08Greg Smith\uff09 \u8fd9\u4f7f commit_siblings \u7684\u4f7f\u7528\u5f00\u9500\u66f4\u4f4e\u3002", "title": "\u6539\u8fdb commit_siblings \u7684\u6027\u80fd", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "performance", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.2", "source_hash": "cf3f82617f9761edb85c92dc17a5cf7b3e2e41dcaf1f02d1a99d56e0bc610d0d", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Improve performance of commit_siblings (Greg Smith) This allows the use of commit_siblings with less overhead.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/004", "db_id": "9a67168d3e4a4d602028e36d95160406", "patch_ids": [], "statement_hash": "90beac3fb987fa88e775722d75b2b1d133b4c9c77f38463f127aa2ab5701366e", "relations": [], "category_label": "\u6027\u80fd\u6539\u8fdb", "url": "/docs/compare/?release=9.1.0#9.1.0-fb308d53051dadef", "migration": false}, {"id": "9.1.0-c449d6240b42c4a9", "cves": [], "html": "

\u964d\u4f4e\u5927\u578b ispell \u8bcd\u5178\u7684\u5185\u5b58\u9700\u6c42\uff08Pavel Stehule\u3001Tom Lane\uff09

", "text": "\u964d\u4f4e\u5927\u578b ispell \u8bcd\u5178\u7684\u5185\u5b58\u9700\u6c42\uff08Pavel Stehule\u3001Tom Lane\uff09", "title": "\u964d\u4f4e\u5927\u578b ispell \u8bcd\u5178\u7684\u5185\u5b58\u9700\u6c42", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.2", "source_hash": "3f2c22c8e8b689341ac8a4dd3a2764433e865b5183aa5d77d9ae9213d46fca5f", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Reduce the memory requirement for large ispell dictionaries (Pavel Stehule, Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/005", "db_id": "f755363c5dd32592ceadda90b4050f5a", "patch_ids": [], "statement_hash": "478dc59e0415dd291073dfa47d670279d0f360e2047559f0f7416d3ac45315c1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-c449d6240b42c4a9", "migration": false}, {"id": "9.1.0-ed08d3eeab28ce07", "cves": [], "html": "

\u907f\u514d\u201c\u76f2\u5199\u201d\u4e4b\u540e\u6570\u636e\u6587\u4ef6\u4fdd\u6301\u6253\u5f00\uff08Alvaro Herrera\uff09

\n

\u8fd9\u4fee\u590d\u4e86\u540e\u7aef\u53ef\u80fd\u5728\u6587\u4ef6\u88ab\u5220\u9664\u540e\u5f88\u4e45\u4ecd\u6301\u6709\u5176\u6253\u5f00\u72b6\u6001\u3001\u963b\u6b62\u5185\u6838\u56de\u6536\u78c1\u76d8\u7a7a\u95f4\u7684\u573a\u666f\u3002

", "text": "\u907f\u514d\u201c\u76f2\u5199\u201d\u4e4b\u540e\u6570\u636e\u6587\u4ef6\u4fdd\u6301\u6253\u5f00\uff08Alvaro Herrera\uff09 \u8fd9\u4fee\u590d\u4e86\u540e\u7aef\u53ef\u80fd\u5728\u6587\u4ef6\u88ab\u5220\u9664\u540e\u5f88\u4e45\u4ecd\u6301\u6709\u5176\u6253\u5f00\u72b6\u6001\u3001\u963b\u6b62\u5185\u6838\u56de\u6536\u78c1\u76d8\u7a7a\u95f4\u7684\u573a\u666f\u3002", "title": "\u907f\u514d\u201c\u76f2\u5199\u201d\u4e4b\u540e\u6570\u636e\u6587\u4ef6\u4fdd\u6301\u6253\u5f00", "commits": [], "section": "\u670d\u52a1\u5668 / \u6027\u80fd", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.2", "source_hash": "9247a7b3de36640d123d1549b5b8c52f1cd0ac3fd4188cb9584dd9e5e0c702dd", "section_path": ["\u670d\u52a1\u5668", "\u6027\u80fd"], "commit_groups": [], "identity_text": "Avoid leaving data files open after blind writes (Alvaro Herrera) This fixes scenarios in which backends might hold files open long after they were deleted, preventing the kernel from reclaiming disk space.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/006", "db_id": "bce884e504cbe4a8aca87f5f3ad0c562", "patch_ids": [], "statement_hash": "78acb7563b0f0e294055b6b1804482dd3caacd3ba70d558c67bc9b3f0324388d", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-ed08d3eeab28ce07", "migration": false}, {"id": "9.1.0-cb3b3b03f256e0e1", "cves": [], "html": "

\u5141\u8bb8\u7ee7\u627f\u8868\u626b\u63cf\u8fd4\u56de\u6709\u610f\u4e49\u7684\u6392\u5e8f\u7ed3\u679c\uff08Greg Stark\u3001Hans-Jurgen Schonig\u3001Robert Haas\u3001Tom Lane\uff09

\n

\u8fd9\u5141\u8bb8\u5bf9\u7ee7\u627f\u8868\u4e0a\u4f7f\u7528 ORDER BY\u3001LIMIT \u6216 MIN/MAX \u7684\u67e5\u8be2\u505a\u66f4\u597d\u7684\u4f18\u5316\u3002

", "text": "\u5141\u8bb8\u7ee7\u627f\u8868\u626b\u63cf\u8fd4\u56de\u6709\u610f\u4e49\u7684\u6392\u5e8f\u7ed3\u679c\uff08Greg Stark\u3001Hans-Jurgen Schonig\u3001Robert Haas\u3001Tom Lane\uff09 \u8fd9\u5141\u8bb8\u5bf9\u7ee7\u627f\u8868\u4e0a\u4f7f\u7528 ORDER BY\u3001LIMIT \u6216 MIN/MAX \u7684\u67e5\u8be2\u505a\u66f4\u597d\u7684\u4f18\u5316\u3002", "title": "\u5141\u8bb8\u7ee7\u627f\u8868\u626b\u63cf\u8fd4\u56de\u6709\u610f\u4e49\u7684\u6392\u5e8f\u7ed3\u679c", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.3", "source_hash": "0fe23b83fd2bf7226b050f11535f884bc7294b3aa5d151f1eda5916fce9c21f1", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [], "identity_text": "Allow inheritance table scans to return meaningfully-sorted results (Greg Stark, Hans-Jurgen Schonig, Robert Haas, Tom Lane) This allows better optimization of queries that use ORDER BY, LIMIT, or MIN/MAX with inherited tables.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/007", "db_id": "ef5ade369462b29b5e346091c5a29aae", "patch_ids": [], "statement_hash": "429544f2ddceb18034428967456705c90860350f5515b4d61766e6d2fec3fa1e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-cb3b3b03f256e0e1", "migration": false}, {"id": "9.1.0-13190638360acdcb", "cves": [], "html": "

\u6539\u8fdb GIN \u7d22\u5f15\u626b\u63cf\u7684\u4ee3\u4ef7\u4f30\u8ba1\uff08Teodor Sigaev\uff09

", "text": "\u6539\u8fdb GIN \u7d22\u5f15\u626b\u63cf\u7684\u4ee3\u4ef7\u4f30\u8ba1\uff08Teodor Sigaev\uff09", "title": "\u6539\u8fdb GIN \u7d22\u5f15\u626b\u63cf\u7684\u4ee3\u4ef7\u4f30\u8ba1", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.3", "source_hash": "00202c6328ba9f04401ff77a2acbfa86c07938d183d482c188b9d764aeb9cea4", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [], "identity_text": "Improve GIN index scan cost estimation (Teodor Sigaev)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/008", "db_id": "f17268b4639b3da8fd7ba4f33d1170c5", "patch_ids": [], "statement_hash": "eaeb2f9e2c9fd4986230068d1801c9bad812a7aadffd25044e444471122b0010", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-13190638360acdcb", "migration": false}, {"id": "9.1.0-0db4f548afcc4ba3", "cves": [], "html": "

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", "text": "\u6539\u8fdb\u805a\u5408\u548c\u7a97\u53e3\u51fd\u6570\u7684\u4ee3\u4ef7\u4f30\u8ba1\uff08Tom Lane\uff09", "title": "\u6539\u8fdb\u805a\u5408\u548c\u7a97\u53e3\u51fd\u6570\u7684\u4ee3\u4ef7\u4f30\u8ba1", "commits": [], "section": "\u670d\u52a1\u5668 / \u4f18\u5316\u5668", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.3", "source_hash": "2833f2651b30f3f1b062358c573106b5317bb8671722effd0680965b266779c8", "section_path": ["\u670d\u52a1\u5668", "\u4f18\u5316\u5668"], "commit_groups": [], "identity_text": "Improve cost estimation for aggregates and window functions (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/009", "db_id": "db0f7e5cdbf2694b3f69eeff02697fee", "patch_ids": [], "statement_hash": "c2989d9bd95976995dee253b3f78f5fcae21984c4cd1ceee21947cd7d63bce1a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-0db4f548afcc4ba3", "migration": false}, {"id": "9.1.0-327f39d709e58686", "cves": [], "html": "

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\n

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\n

\u6b64\u524d\u4eba\u4eec\u4e3a\u6b64\u4f7f\u7528 0.0.0.0/0 \u6216 ::/0\u3002

", "text": "\u5728 pg_hba.conf \u7684 host \u5217\u4e2d\u652f\u6301\u5173\u952e\u5b57 all\uff08Peter Eisentraut\uff09 \u6b64\u524d\u4eba\u4eec\u4e3a\u6b64\u4f7f\u7528 0.0.0.0/0 \u6216 ::/0\u3002", "title": "\u5728 pg_hba.conf \u7684 host \u5217\u4e2d\u652f\u6301\u5173\u952e\u5b57 all", "commits": [], "section": "\u670d\u52a1\u5668 / \u8ba4\u8bc1", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.4", "source_hash": "4b23ad5ad18031087ae4276a10c378d563bce3b39656c13341e8282325227673", "section_path": ["\u670d\u52a1\u5668", "\u8ba4\u8bc1"], "commit_groups": [], "identity_text": "Support the key word all in the host column of pg_hba.conf (Peter Eisentraut) Previously people used 0.0.0.0/0 or ::/0 for this.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/011", "db_id": "e3628e0896b6c873cdac0f7984f87dc2", "patch_ids": [], "statement_hash": "d99a71e43efed3b24059fc13263a6fdd7068b9990ef3ff018f010f77d6dd0d96", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-ea1b2b983dbedb34", "migration": false}, {"id": "9.1.0-cb1dc8d4ca390a9c", "cves": [], "html": "

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\n

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", "text": "\u5728\u4e0d\u652f\u6301 Unix \u5957\u63a5\u5b57\u8fde\u63a5\u7684\u5e73\u53f0\u4e0a\u62d2\u7edd pg_hba.conf \u4e2d\u7684 local \u884c\uff08Magnus Hagander\uff09 \u6b64\u524d\u8fd9\u7c7b\u884c\u4f1a\u88ab\u9759\u9ed8\u5ffd\u7565\uff0c\u8fd9\u53ef\u80fd\u4ee4\u4eba\u610f\u5916\u3002\u8fd9\u4f7f\u8be5\u884c\u4e3a\u66f4\u50cf\u5176\u4ed6\u4e0d\u53d7\u652f\u6301\u7684\u60c5\u51b5\u3002", "title": "\u5728\u4e0d\u652f\u6301 Unix \u5957\u63a5\u5b57\u8fde\u63a5\u7684\u5e73\u53f0\u4e0a\u62d2\u7edd pg_hba.conf \u4e2d\u7684 local \u884c", "commits": [], "section": "\u670d\u52a1\u5668 / \u8ba4\u8bc1", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.4", "source_hash": "776473ca5264d053be06d0df090b35a551aff51f383e3edea0544680eed7fc6e", "section_path": ["\u670d\u52a1\u5668", "\u8ba4\u8bc1"], "commit_groups": [], "identity_text": "Reject local lines in pg_hba.conf on platforms that don't support Unix-socket connections (Magnus Hagander) Formerly, such lines were silently ignored, which could be surprising. This makes the behavior more like other unsupported cases.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/012", "db_id": "a1d0cb979d3f658209b2eacd695bb57b", "patch_ids": [], "statement_hash": "70499d701b18466c321c0e4fbec14d9c93d3b2760c04d507fc74ab88814eac8c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-cb1dc8d4ca390a9c", "migration": false}, {"id": "9.1.0-bf3e7cbf1c19a241", "cves": [], "html": "

\u5141\u8bb8\u4f7f\u7528 GSSAPI \u901a\u8fc7 SSPI \u5411\u670d\u52a1\u5668\u8ba4\u8bc1\uff08Christian Ullrich\uff09

\n

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\n

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", "text": "\u672c\u5730\u5957\u63a5\u5b57\u4e0a\u7684 ident \u8ba4\u8bc1\u73b0\u5728\u79f0\u4e3a peer\uff08Magnus Hagander\uff09 \u4e3a\u4e86\u5411\u540e\u517c\u5bb9\u4ecd\u63a5\u53d7\u65e7\u540d\u79f0\uff0c\u4f46\u7531\u4e8e\u8fd9\u4e24\u79cd\u65b9\u6cd5\u6839\u672c\u4e0d\u540c\uff0c\u4e3a\u5b83\u4eec\u91c7\u7528\u4e0d\u540c\u7684\u540d\u79f0\u4f3c\u4e4e\u66f4\u597d\u3002", "title": "\u672c\u5730\u5957\u63a5\u5b57\u4e0a\u7684 ident \u8ba4\u8bc1\u73b0\u5728\u79f0\u4e3a peer", "commits": [], "section": "\u670d\u52a1\u5668 / \u8ba4\u8bc1", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.4", "source_hash": "2129725719472f75d69994bd49ec51a59c4fa395782679e59e3ecfd02f8a627c", "section_path": ["\u670d\u52a1\u5668", "\u8ba4\u8bc1"], "commit_groups": [], "identity_text": "ident authentication over local sockets is now known as peer (Magnus Hagander) The old term is still accepted for backward compatibility, but since the two methods are fundamentally different, it seemed better to adopt different names for them.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/014", "db_id": "b766d08cdd6e782b84560f05dcd56f9f", "patch_ids": [], "statement_hash": "22e6a03a46db422f3a0525ae9f99ff8c7f5125d6f07f19d7a0ff9bdb1f70a732", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-4317a84657b812fc", "migration": false}, {"id": "9.1.0-257189e35bcbc95b", "cves": [], "html": "

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\n

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", "text": "\u91cd\u5199 peer \u8ba4\u8bc1\uff0c\u907f\u514d\u4f7f\u7528\u51ed\u636e\u63a7\u5236\u6d88\u606f\uff08Tom Lane\uff09 \u6b64\u53d8\u66f4\u4f7f peer \u8ba4\u8bc1\u4ee3\u7801\u66f4\u7b80\u5355\u3001\u6027\u80fd\u66f4\u597d\u3002\u4f46\u5b83\u8981\u6c42\u5e73\u53f0\u63d0\u4f9b getpeereid \u51fd\u6570\u6216\u7b49\u6548\u7684\u5957\u63a5\u5b57\u64cd\u4f5c\u3002\u636e\u6211\u4eec\u6240\u77e5\uff0c\u552f\u4e00\u6b64\u524d peer \u8ba4\u8bc1\u53ef\u7528\u800c\u73b0\u5728\u4e0d\u53ef\u7528\u7684\u5e73\u53f0\u662f 5.0 \u4e4b\u524d\u7684 NetBSD\u3002", "title": "\u91cd\u5199 peer \u8ba4\u8bc1\uff0c\u907f\u514d\u4f7f\u7528\u51ed\u636e\u63a7\u5236\u6d88\u606f", "commits": [], "section": "\u670d\u52a1\u5668 / \u8ba4\u8bc1", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.4", "source_hash": "85f28f3d783b34d423038f38b01087edfa14a275bd2735a2f5ccdbe6dfc9add2", "section_path": ["\u670d\u52a1\u5668", "\u8ba4\u8bc1"], "commit_groups": [], "identity_text": "Rewrite peer authentication to avoid use of credential control messages (Tom Lane) This change makes the peer authentication code simpler and better-performing. However, it requires the platform to provide the getpeereid function or an equivalent socket operation. So far as is known, the only platform for which peer authentication worked before and now will not is pre-5.0 NetBSD.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/015", "db_id": "6839168d42dafbceec1b537dce816cad", "patch_ids": [], "statement_hash": "8a33925b8b04de2b291c28a1d48f4cb9b941f0e5ee06c1f18b3a972f186565a7", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-257189e35bcbc95b", "migration": false}, {"id": "9.1.0-3e81d8a76bc7a951", "cves": [], "html": "

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\n

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", "text": "\u4e3a\u91cd\u542f\u70b9\u548c\u68c0\u67e5\u70b9\u7684\u65e5\u5fd7\u8bb0\u5f55\u6dfb\u52a0\u7ec6\u8282\uff0c\u5b83\u7531 log_checkpoints \u63a7\u5236\uff08Fujii Masao\u3001Greg Smith\uff09 \u65b0\u589e\u7ec6\u8282\u5305\u62ec WAL \u6587\u4ef6\u548c\u540c\u6b65\u6d3b\u52a8\u3002", "title": "\u4e3a\u91cd\u542f\u70b9\u548c\u68c0\u67e5\u70b9\u7684\u65e5\u5fd7\u8bb0\u5f55\u6dfb\u52a0\u7ec6\u8282\uff0c\u5b83\u7531 log_checkpoints \u63a7\u5236", "commits": [], "section": "\u670d\u52a1\u5668 / \u76d1\u63a7", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.5", "source_hash": "d2f94b7f594b517d4aa9e707ebbbcfc9d25c1b403fe2e8cca57ab057ad7060bd", "section_path": ["\u670d\u52a1\u5668", "\u76d1\u63a7"], "commit_groups": [], "identity_text": "Add details to the logging of restartpoints and checkpoints, which is controlled by log_checkpoints (Fujii Masao, Greg Smith) New details include WAL file and sync activity.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/016", "db_id": "92b6e90530b2d45fb9b55a96b3881314", "patch_ids": [], "statement_hash": "7837dd90a2bf97e7ec26b38a0b43386f0b767484a216e21139e5d4d5f014f837", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-3e81d8a76bc7a951", "migration": false}, {"id": "9.1.0-10875641167a1e31", "cves": [], "html": "

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", "text": "\u65b0\u589e log_file_mode\uff0c\u63a7\u5236\u65e5\u5fd7\u6536\u96c6\u5668\u521b\u5efa\u7684\u65e5\u5fd7\u6587\u4ef6\u7684\u6743\u9650\uff08Martin Pihlak\uff09", "title": "\u65b0\u589e log_file_mode\uff0c\u63a7\u5236\u65e5\u5fd7\u6536\u96c6\u5668\u521b\u5efa\u7684\u65e5\u5fd7\u6587\u4ef6\u7684\u6743\u9650", "commits": [], "section": "\u670d\u52a1\u5668 / \u76d1\u63a7", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.5", "source_hash": "6c5f4394b9dae0844faa1c98a590de0bdc2feb45cb129964199aa502f8a5f7f9", "section_path": ["\u670d\u52a1\u5668", "\u76d1\u63a7"], "commit_groups": [], "identity_text": "Add log_file_mode which controls the permissions on log files created by the logging collector (Martin Pihlak)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/017", "db_id": "ed0c3599f7ee751fca294f8cbbaf7897", "patch_ids": [], "statement_hash": "207003b61a5595b4ebde245173f6685380892c8d86cc65ce162f874ad7d40115", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-10875641167a1e31", "migration": false}, {"id": "9.1.0-1842c757427db855", "cves": [], "html": "

\u628a syslog \u65e5\u5fd7\u7684\u9ed8\u8ba4\u6700\u5927\u884c\u957f\u964d\u4f4e\u5230 900 \u5b57\u8282\u52a0\u524d\u7f00\uff08Noah Misch\uff09

\n

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\u4e3a pg_stat_activity \u65b0\u589e client_hostname \u5217\uff08Peter Eisentraut\uff09

\n

\u6b64\u524d\u53ea\u62a5\u544a\u5ba2\u6237\u7aef\u5730\u5740\u3002

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\u65b0\u589e pg_stat_xact_* \u7edf\u8ba1\u51fd\u6570\u548c\u89c6\u56fe\uff08Joel Jacobson\uff09

\n

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", "text": "\u65b0\u589e pg_stat_xact_* \u7edf\u8ba1\u51fd\u6570\u548c\u89c6\u56fe\uff08Joel Jacobson\uff09 \u5b83\u4eec\u7c7b\u4f3c\u4e8e\u6570\u636e\u5e93\u8303\u56f4\u7684\u7edf\u8ba1\u8ba1\u6570\u5668\u89c6\u56fe\uff0c\u4f46\u53ea\u53cd\u6620\u5f53\u524d\u4e8b\u52a1\u7684\u8ba1\u6570\u3002", "title": "\u65b0\u589e pg_stat_xact_* \u7edf\u8ba1\u51fd\u6570\u548c\u89c6\u56fe", "commits": [], "section": "\u670d\u52a1\u5668 / \u7edf\u8ba1\u89c6\u56fe", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.6", "source_hash": "e274f03c3dd63775762765032ccdf263a9b65fd18d927940f341fff6e0149ac3", "section_path": ["\u670d\u52a1\u5668", "\u7edf\u8ba1\u89c6\u56fe"], "commit_groups": [], "identity_text": "Add pg_stat_xact_* statistics functions and views (Joel Jacobson) These are like the database-wide statistics counter views, but reflect counts for only the current transaction.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/020", "db_id": "831696b911c2d7f03de31fccb3188209", "patch_ids": [], "statement_hash": "35e423f65aec2e27167aa6a4f04ff8b92e6225c2640cd5ca6e62871a11e28b5e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-a5168579565551bd", "migration": false}, {"id": "9.1.0-16c0231daa5c8e23", "cves": [], "html": "

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\u4e3a pg_stat_bgwriter \u65b0\u589e buffers_backend_fsync \u5217\uff08Greg Smith\uff09

\n

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", "text": "\u4e3a pg_stat_bgwriter \u65b0\u589e buffers_backend_fsync \u5217\uff08Greg Smith\uff09 \u8fd9\u4e2a\u65b0\u5217\u7edf\u8ba1\u540e\u7aef\u5bf9\u7f13\u51b2\u533a\u6267\u884c fsync \u7684\u6b21\u6570\u3002", "title": "\u4e3a pg_stat_bgwriter \u65b0\u589e buffers_backend_fsync \u5217", "commits": [], "section": "\u670d\u52a1\u5668 / \u7edf\u8ba1\u89c6\u56fe", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.6", "source_hash": "10c6e3d84953828de867e6db99c8bdb44a7bf96a91f12d3f2ae2477f955c14f6", "section_path": ["\u670d\u52a1\u5668", "\u7edf\u8ba1\u89c6\u56fe"], "commit_groups": [], "identity_text": "Add buffers_backend_fsync column to pg_stat_bgwriter (Greg Smith) This new column counts the number of times a backend fsyncs a buffer.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/023", "db_id": "e0dbd96aac449ba0d6dc27fccb37c339", "patch_ids": [], "statement_hash": "8efc74066410a973de1ef7124540802046fe422f465a178e1a9bab8fecd280c2", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-a7602f4560fa5173", "migration": false}, {"id": "9.1.0-71b0932120874992", "cves": [], "html": "

\u63d0\u4f9b wal_buffers \u7684\u81ea\u52a8\u8c03\u6574\uff08Greg Smith\uff09

\n

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\u63d0\u9ad8 deadlock_timeout\u3001log_min_duration_statement \u548c log_autovacuum_min_duration \u7684\u6700\u5927\u503c\uff08Peter Eisentraut\uff09

\n

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", "text": "\u63d0\u9ad8 deadlock_timeout\u3001log_min_duration_statement \u548c log_autovacuum_min_duration \u7684\u6700\u5927\u503c\uff08Peter Eisentraut\uff09 \u8fd9\u4e9b\u53c2\u6570\u6b64\u524d\u7684\u6700\u5927\u503c\u90fd\u53ea\u6709\u7ea6 35 \u5206\u949f\u3002\u73b0\u5728\u5141\u8bb8\u5927\u5f97\u591a\u7684\u503c\u3002", "title": "\u63d0\u9ad8 deadlock_timeout\u3001log_min_duration_statement \u548c log_autovacuum_min_duration \u7684\u6700\u5927\u503c", "commits": [], "section": "\u670d\u52a1\u5668 / \u670d\u52a1\u5668\u8bbe\u7f6e", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.3.7", "source_hash": "233f80a5cbd061644a36fbc32b3b8423c9ecf50ace01f36f1aaf6ee020d375ca", "section_path": ["\u670d\u52a1\u5668", "\u670d\u52a1\u5668\u8bbe\u7f6e"], "commit_groups": [], "identity_text": "Increase the maximum values for deadlock_timeout, log_min_duration_statement, and log_autovacuum_min_duration (Peter Eisentraut) The maximum value for each of these parameters was previously only about 35 minutes. Much larger values are now allowed.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/025", "db_id": "e7f28bf3d9cdb0908ec5c095ef06c18d", "patch_ids": [], "statement_hash": "0b9c8463da6731f60569ef9e4be6e1ef61650b0a48ef421288f7317cc94584ba", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-43863dd5254a484d", "migration": false}, {"id": "9.1.0-2c323a16794a0dce", "cves": [], "html": "

\u5141\u8bb8\u540c\u6b65\u590d\u5236\uff08Simon Riggs\u3001Fujii Masao\uff09

\n

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", "text": "\u5141\u8bb8\u540c\u6b65\u590d\u5236\uff08Simon Riggs\u3001Fujii Masao\uff09 \u8fd9\u5141\u8bb8\u4e3b\u670d\u52a1\u5668\u7b49\u5f85\u5907\u5e93\u628a\u4e8b\u52a1\u4fe1\u606f\u5199\u5165\u78c1\u76d8\u540e\u518d\u786e\u8ba4\u63d0\u4ea4\u3002\u6bcf\u6b21\u53ea\u6709\u4e00\u4e2a\u5907\u5e93\u53ef\u4ee5\u5145\u5f53\u540c\u6b65\u5907\u5e93\u7684\u89d2\u8272\uff0c\u7531 synchronous_standby_names \u8bbe\u7f6e\u63a7\u5236\u3002\u53ef\u4ee5\u4f7f\u7528 synchronous_commit \u8bbe\u7f6e\u6309\u4e8b\u52a1\u542f\u7528\u6216\u7981\u7528\u540c\u6b65\u590d\u5236\u3002", "title": "\u5141\u8bb8\u540c\u6b65\u590d\u5236", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.2", "source_hash": "efcaa6fbce8e4198cd5be445d67ef8fa8fbd5faac7d51a3dbe22a9fe53cb0073", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863"], "commit_groups": [], "identity_text": "Allow synchronous replication (Simon Riggs, Fujii Masao) This allows the primary server to wait for a standby to write a transaction's information to disk before acknowledging the commit. One standby at a time can take the role of the synchronous standby, as controlled by the synchronous_standby_names setting. Synchronous replication can be enabled or disabled on a per-transaction basis using the synchronous_commit setting.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/026", "db_id": "14ad55c95ece693d97e4778434dda205", "patch_ids": [], "statement_hash": "79789ba8984b2b380acdf9700dc52a873225ff7c5d79bba812c1f57d37970bef", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-2c323a16794a0dce", "migration": false}, {"id": "9.1.0-92d1132ef4a38cbf", "cves": [], "html": "

\u65b0\u589e\u534f\u8bae\u652f\u6301\uff0c\u4f7f\u7528\u6d41\u590d\u5236\u7f51\u7edc\u8fde\u63a5\u5411\u5907\u5e93\u670d\u52a1\u5668\u53d1\u9001\u6587\u4ef6\u7cfb\u7edf\u5907\u4efd\uff08Magnus Hagander\u3001Heikki Linnakangas\uff09

\n

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", "text": "\u65b0\u589e\u534f\u8bae\u652f\u6301\uff0c\u4f7f\u7528\u6d41\u590d\u5236\u7f51\u7edc\u8fde\u63a5\u5411\u5907\u5e93\u670d\u52a1\u5668\u53d1\u9001\u6587\u4ef6\u7cfb\u7edf\u5907\u4efd\uff08Magnus Hagander\u3001Heikki Linnakangas\uff09 \u8fd9\u907f\u514d\u4e86\u642d\u5efa\u5907\u5e93\u670d\u52a1\u5668\u65f6\u624b\u5de5\u4f20\u8f93\u6587\u4ef6\u7cfb\u7edf\u5907\u4efd\u7684\u8981\u6c42\u3002", "title": "\u65b0\u589e\u534f\u8bae\u652f\u6301\uff0c\u4f7f\u7528\u6d41\u590d\u5236\u7f51\u7edc\u8fde\u63a5\u5411\u5907\u5e93\u670d\u52a1\u5668\u53d1\u9001\u6587\u4ef6\u7cfb\u7edf\u5907\u4efd", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.2", "source_hash": "a679a1558596fd08ed357db6270dffce68dc7c8d7d8af227c74440965e7f66a1", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863"], "commit_groups": [], "identity_text": "Add protocol support for sending file system backups to standby servers using the streaming replication network connection (Magnus Hagander, Heikki Linnakangas) This avoids the requirement of manually transferring a file system backup when setting up a standby server.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/027", "db_id": "b052b49fa1ec3fb5b3bdc2854d20a3be", "patch_ids": [], "statement_hash": "3b3f0fb32560040010fcf5e12e9ce87caea89d34ca326e984e1c122c092744f8", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-92d1132ef4a38cbf", "migration": false}, {"id": "9.1.0-3a7f688638e26048", "cves": [], "html": "

\u65b0\u589e replication_timeout \u8bbe\u7f6e\uff08Fujii Masao\u3001Heikki Linnakangas\uff09

\n

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", "text": "\u65b0\u589e replication_timeout \u8bbe\u7f6e\uff08Fujii Masao\u3001Heikki Linnakangas\uff09 \u7a7a\u95f2\u65f6\u95f4\u8d85\u8fc7 replication_timeout \u95f4\u9694\u7684\u590d\u5236\u8fde\u63a5\u5c06\u88ab\u81ea\u52a8\u7ec8\u6b62\u3002\u6b64\u524d\uff0c\u5931\u8d25\u7684\u8fde\u63a5\u901a\u5e38\u8981\u7b49\u5230 TCP \u8d85\u65f6\u624d\u4f1a\u88ab\u68c0\u6d4b\u5230\uff0c\u8fd9\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u957f\u5f97\u4e0d\u65b9\u4fbf\u3002", "title": "\u65b0\u589e replication_timeout \u8bbe\u7f6e", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.2", "source_hash": "c50f2c92c1b7ea7dadcaa598c537e75ad5499de094f1636621a7b552582b56a8", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863"], "commit_groups": [], "identity_text": "Add replication_timeout setting (Fujii Masao, Heikki Linnakangas) Replication connections that are idle for more than the replication_timeout interval will be terminated automatically. Formerly, a failed connection was typically not detected until the TCP timeout elapsed, which is inconveniently long in many situations.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/028", "db_id": "e6ffa77b09e9ec0428af00dd27604afb", "patch_ids": [], "statement_hash": "979eed5e0468b5913b10fde6629a9ee15ec8ae0eba12b2f807f0a5094132fd10", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-3a7f688638e26048", "migration": false}, {"id": "9.1.0-873a034adc09201f", "cves": [], "html": "

\u65b0\u589e\u547d\u4ee4\u884c\u5de5\u5177pg_basebackup\uff0c\u7528\u4e8e\u521b\u5efa\u65b0\u7684\u5907\u5e93\u670d\u52a1\u5668\u6216\u6570\u636e\u5e93\u5907\u4efd\uff08Magnus Hagander\uff09

", "text": "\u65b0\u589e\u547d\u4ee4\u884c\u5de5\u5177pg_basebackup\uff0c\u7528\u4e8e\u521b\u5efa\u65b0\u7684\u5907\u5e93\u670d\u52a1\u5668\u6216\u6570\u636e\u5e93\u5907\u4efd\uff08Magnus Hagander\uff09", "title": "\u65b0\u589e\u547d\u4ee4\u884c\u5de5\u5177pg_basebackup\uff0c\u7528\u4e8e\u521b\u5efa\u65b0\u7684\u5907\u5e93\u670d\u52a1\u5668\u6216\u6570\u636e\u5e93\u5907\u4efd", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.2", "source_hash": "73ff1c3f4fdf503f11591afc9ce8b0bb2f5691e97abf86661648c0410cee70a1", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863"], "commit_groups": [], "identity_text": "Add command-line tool pg_basebackup for creating a new standby server or database backup (Magnus Hagander)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/029", "db_id": "5135a718d4bcc0eba383ea84f46697e7", "patch_ids": [], "statement_hash": "434cff55dd84da0b266a442263b50738baf6d155bbc4d7b83d0a369bb94d994e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-873a034adc09201f", "migration": false}, {"id": "9.1.0-8b5925e9af8224d8", "cves": [], "html": "

\u4e3a\u89d2\u8272\u65b0\u589e\u590d\u5236\u6743\u9650\uff08Magnus Hagander\uff09

\n

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", "text": "\u4e3a\u89d2\u8272\u65b0\u589e\u590d\u5236\u6743\u9650\uff08Magnus Hagander\uff09 \u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u6d41\u590d\u5236\u7684\u53ea\u8bfb\u6743\u9650\u3002\u5b83\u5141\u8bb8\u975e\u8d85\u7ea7\u7528\u6237\u89d2\u8272\u7528\u4e8e\u590d\u5236\u8fde\u63a5\u3002\u6b64\u524d\u53ea\u6709\u8d85\u7ea7\u7528\u6237\u53ef\u4ee5\u53d1\u8d77\u590d\u5236\u8fde\u63a5\uff1b\u8d85\u7ea7\u7528\u6237\u9ed8\u8ba4\u4ecd\u62e5\u6709\u6b64\u6743\u9650\u3002", "title": "\u4e3a\u89d2\u8272\u65b0\u589e\u590d\u5236\u6743\u9650", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.2", "source_hash": "ea32c628b0a374bb15b3a172fdb29ff1841b868d3d972a898fe87463a4384d36", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6d41\u590d\u5236\u548c\u8fde\u7eed\u5f52\u6863"], "commit_groups": [], "identity_text": "Add a replication permission for roles (Magnus Hagander) This is a read-only permission used for streaming replication. It allows a non-superuser role to be used for replication connections. Previously only superusers could initiate replication connections; superusers still have this permission by default.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/030", "db_id": "5dafe2964380a5012d430835ec0e4e6f", "patch_ids": [], "statement_hash": "e1d563aee9a0089dfb6ab676ee0e6c8829eeec01e919232a08e7c80ba935592b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-8b5925e9af8224d8", "migration": false}, {"id": "9.1.0-fa951fb54f152d62", "cves": [], "html": "

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\n

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", "text": "\u65b0\u589e\u7cfb\u7edf\u89c6\u56fe pg_stat_replication\uff0c\u663e\u793a WAL \u53d1\u9001\u7aef\u8fdb\u7a0b\u7684\u6d3b\u52a8\uff08Itagaki Takahiro\u3001Simon Riggs\uff09 \u5b83\u62a5\u544a\u6240\u6709\u5df2\u8fde\u63a5\u5907\u5e93\u670d\u52a1\u5668\u7684\u72b6\u6001\u3002", "title": "\u65b0\u589e\u7cfb\u7edf\u89c6\u56fe pg_stat_replication\uff0c\u663e\u793a WAL \u53d1\u9001\u7aef\u8fdb\u7a0b\u7684\u6d3b\u52a8", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u590d\u5236\u76d1\u63a7", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.3", "source_hash": "7f1f4edaceecee07ecd87463cd68eec51f4436769a6358bb19bac412ed512bd2", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u590d\u5236\u76d1\u63a7"], "commit_groups": [], "identity_text": "Add system view pg_stat_replication which displays activity of WAL sender processes (Itagaki Takahiro, Simon Riggs) This reports the status of all connected standby servers.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/031", "db_id": "84b73712c94a425211a1ffc8de9f1d68", "patch_ids": [], "statement_hash": "820a025232df8034c229d0c651d0db474723f4b94376d7ee297ecb98718b52ca", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-fa951fb54f152d62", "migration": false}, {"id": "9.1.0-f8fe5f14bcc0af3b", "cves": [], "html": "

\u65b0\u589e\u76d1\u63a7\u51fd\u6570 pg_last_xact_replay_timestamp()\uff08Fujii Masao\uff09

\n

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", "text": "\u65b0\u589e\u76d1\u63a7\u51fd\u6570 pg_last_xact_replay_timestamp()\uff08Fujii Masao\uff09 \u5b83\u8fd4\u56de\u4e3b\u5e93\u751f\u6210\u5907\u5e93\u4e0a\u5df2\u5e94\u7528\u7684\u6700\u65b0\u7684\u63d0\u4ea4\u6216\u4e2d\u6b62\u8bb0\u5f55\u7684\u65f6\u95f4\u3002", "title": "\u65b0\u589e\u76d1\u63a7\u51fd\u6570 pg_last_xact_replay_timestamp()", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u590d\u5236\u76d1\u63a7", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.3", "source_hash": "71166a5af6fd24e4e1acb323a2b24e09fb826381323cd6e8ffd3b8636a8c0c1e", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u590d\u5236\u76d1\u63a7"], "commit_groups": [], "identity_text": "Add monitoring function pg_last_xact_replay_timestamp() (Fujii Masao) This returns the time at which the primary generated the most recent commit or abort record applied on the standby.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/032", "db_id": "e734548bca22bba73924cf6c04b48e8a", "patch_ids": [], "statement_hash": "2ac70c96a71ff41ce19c316d137fe95528a82b35214c32c2d32c3627635ccc17", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-f8fe5f14bcc0af3b", "migration": false}, {"id": "9.1.0-f5ac0f472c2baf40", "cves": [], "html": "

\u65b0\u589e\u914d\u7f6e\u53c2\u6570 hot_standby_feedback\uff0c\u4f7f\u5907\u5e93\u53ef\u4ee5\u63a8\u8fdf\u4e3b\u5e93\u4e0a\u65e7\u884c\u7248\u672c\u7684\u6e05\u7406\uff08Simon Riggs\uff09

\n

\u8fd9\u6709\u52a9\u4e8e\u907f\u514d\u53d6\u6d88\u5907\u5e93\u4e0a\u7684\u957f\u65f6\u95f4\u8fd0\u884c\u67e5\u8be2\u3002

", "text": "\u65b0\u589e\u914d\u7f6e\u53c2\u6570 hot_standby_feedback\uff0c\u4f7f\u5907\u5e93\u53ef\u4ee5\u63a8\u8fdf\u4e3b\u5e93\u4e0a\u65e7\u884c\u7248\u672c\u7684\u6e05\u7406\uff08Simon Riggs\uff09 \u8fd9\u6709\u52a9\u4e8e\u907f\u514d\u53d6\u6d88\u5907\u5e93\u4e0a\u7684\u957f\u65f6\u95f4\u8fd0\u884c\u67e5\u8be2\u3002", "title": "\u65b0\u589e\u914d\u7f6e\u53c2\u6570 hot_standby_feedback\uff0c\u4f7f\u5907\u5e93\u53ef\u4ee5\u63a8\u8fdf\u4e3b\u5e93\u4e0a\u65e7\u884c\u7248\u672c\u7684\u6e05\u7406", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u70ed\u5907", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.4", "source_hash": "ab2121fc0a665fcacc116e86bc30e29731d4d84dd8257352f39f5e14fab152c6", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u70ed\u5907"], "commit_groups": [], "identity_text": "Add configuration parameter hot_standby_feedback to enable standbys to postpone cleanup of old row versions on the primary (Simon Riggs) This helps avoid canceling long-running queries on the standby.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/033", "db_id": "79662d23edfbd6471b5a45db7916a3c0", "patch_ids": [], "statement_hash": "85a87fb7b69e54dfb15489fbb509814986970b7deef28bc5d3b05efed4cce5ae", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-f5ac0f472c2baf40", "migration": false}, {"id": "9.1.0-7f15c54b84cd2604", "cves": [], "html": "

\u65b0\u589e\u7cfb\u7edf\u89c6\u56fe pg_stat_database_conflicts\uff0c\u663e\u793a\u5df2\u88ab\u53d6\u6d88\u7684\u67e5\u8be2\u53ca\u5176\u539f\u56e0\uff08Magnus Hagander\uff09

\n

\u53d6\u6d88\u53ef\u80fd\u56e0\u8868\u7a7a\u95f4\u88ab\u5220\u9664\u3001\u9501\u8d85\u65f6\u3001\u65e7\u5feb\u7167\u3001\u88ab\u56fa\u5b9a\u7684\u7f13\u51b2\u533a\u548c\u6b7b\u9501\u800c\u53d1\u751f\u3002

", "text": "\u65b0\u589e\u7cfb\u7edf\u89c6\u56fe pg_stat_database_conflicts\uff0c\u663e\u793a\u5df2\u88ab\u53d6\u6d88\u7684\u67e5\u8be2\u53ca\u5176\u539f\u56e0\uff08Magnus Hagander\uff09 \u53d6\u6d88\u53ef\u80fd\u56e0\u8868\u7a7a\u95f4\u88ab\u5220\u9664\u3001\u9501\u8d85\u65f6\u3001\u65e7\u5feb\u7167\u3001\u88ab\u56fa\u5b9a\u7684\u7f13\u51b2\u533a\u548c\u6b7b\u9501\u800c\u53d1\u751f\u3002", "title": "\u65b0\u589e\u7cfb\u7edf\u89c6\u56fe pg_stat_database_conflicts\uff0c\u663e\u793a\u5df2\u88ab\u53d6\u6d88\u7684\u67e5\u8be2\u53ca\u5176\u539f\u56e0", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u70ed\u5907", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.4", "source_hash": "b4ddb4376066415015ffa0c3c79e8d215e997ee92a92a492932c7266ff83f0d4", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u70ed\u5907"], "commit_groups": [], "identity_text": "Add the pg_stat_database_conflicts system view to show queries that have been canceled and the reason (Magnus Hagander) Cancellations can occur because of dropped tablespaces, lock timeouts, old snapshots, pinned buffers, and deadlocks.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/034", "db_id": "69b54c88fc7917aceface1400a905cca", "patch_ids": [], "statement_hash": "93faf8a1d86aa0cb1d4f03d581428e1146726e226d6e0082e4b2e98fa8dffe05", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-7f15c54b84cd2604", "migration": false}, {"id": "9.1.0-f623de57d8e9a1fa", "cves": [], "html": "

\u4e3a pg_stat_database \u65b0\u589e conflicts \u8ba1\u6570\uff08Magnus Hagander\uff09

\n

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", "text": "\u4e3a pg_stat_database \u65b0\u589e conflicts \u8ba1\u6570\uff08Magnus Hagander\uff09 \u8fd9\u662f\u8be5\u6570\u636e\u5e93\u4e2d\u53d1\u751f\u7684\u51b2\u7a81\u6570\u91cf\u3002", "title": "\u4e3a pg_stat_database \u65b0\u589e conflicts \u8ba1\u6570", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u70ed\u5907", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.4", "source_hash": "4824a7513d70f329b9dadd5a70a6b14527e7e2c15a033a7cbf2c018627e8793c", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u70ed\u5907"], "commit_groups": [], "identity_text": "Add a conflicts count to pg_stat_database (Magnus Hagander) This is the number of conflicts that occurred in the database.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/035", "db_id": "5384b09f324fe191e53226deb8413e16", "patch_ids": [], "statement_hash": "6a4fce9eb771501414ede1b58dfed7e3586d6796488038c68f02b972408c43e6", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-f623de57d8e9a1fa", "migration": false}, {"id": "9.1.0-2d7d986a2245b252", "cves": [], "html": "

\u63d0\u9ad8 max_standby_archive_delay \u548c max_standby_streaming_delay \u7684\u6700\u5927\u503c

\n

\u8fd9\u4e9b\u53c2\u6570\u6b64\u524d\u7684\u6700\u5927\u503c\u90fd\u53ea\u6709\u7ea6 35 \u5206\u949f\u3002\u73b0\u5728\u5141\u8bb8\u5927\u5f97\u591a\u7684\u503c\u3002

", "text": "\u63d0\u9ad8 max_standby_archive_delay \u548c max_standby_streaming_delay \u7684\u6700\u5927\u503c \u8fd9\u4e9b\u53c2\u6570\u6b64\u524d\u7684\u6700\u5927\u503c\u90fd\u53ea\u6709\u7ea6 35 \u5206\u949f\u3002\u73b0\u5728\u5141\u8bb8\u5927\u5f97\u591a\u7684\u503c\u3002", "title": "\u63d0\u9ad8 max_standby_archive_delay \u548c max_standby_streaming_delay \u7684\u6700\u5927\u503c", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u70ed\u5907", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.4", "source_hash": "51c475054f07edee9ed7a14d2a1244ac0e306eab450719937d187620b168f4c5", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u70ed\u5907"], "commit_groups": [], "identity_text": "Increase the maximum values for max_standby_archive_delay and max_standby_streaming_delay The maximum value for each of these parameters was previously only about 35 minutes. Much larger values are now allowed.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/036", "db_id": "a6a3d9cca9505127cd784c622b3d7de6", "patch_ids": [], "statement_hash": "b4f5fab2c6298a185ff6abae9f7ed469724d2ce171ec4cd57044d01dd792e529", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-2d7d986a2245b252", "migration": false}, {"id": "9.1.0-d251b105c2ac4c05", "cves": [], "html": "

\u65b0\u589e\u9519\u8bef\u7801 ERRCODE_T_R_DATABASE_DROPPED\uff0c\u7528\u4e8e\u62a5\u544a\u56e0\u6570\u636e\u5e93\u88ab\u5220\u9664\u5bfc\u81f4\u7684\u6062\u590d\u51b2\u7a81\uff08Tatsuo Ishii\uff09

\n

\u8fd9\u5bf9\u8fde\u63a5\u6c60\u8f6f\u4ef6\u5f88\u6709\u7528\u3002

", "text": "\u65b0\u589e\u9519\u8bef\u7801 ERRCODE_T_R_DATABASE_DROPPED\uff0c\u7528\u4e8e\u62a5\u544a\u56e0\u6570\u636e\u5e93\u88ab\u5220\u9664\u5bfc\u81f4\u7684\u6062\u590d\u51b2\u7a81\uff08Tatsuo Ishii\uff09 \u8fd9\u5bf9\u8fde\u63a5\u6c60\u8f6f\u4ef6\u5f88\u6709\u7528\u3002", "title": "\u65b0\u589e\u9519\u8bef\u7801 ERRCODE_T_R_DATABASE_DROPPED\uff0c\u7528\u4e8e\u62a5\u544a\u56e0\u6570\u636e\u5e93\u88ab\u5220\u9664\u5bfc\u81f4\u7684\u6062\u590d\u51b2\u7a81", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u70ed\u5907", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.4", "source_hash": "9c107480998b4b66a10c89a8185dae5298697e94787c9fe33f831d32dcfe0251", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u70ed\u5907"], "commit_groups": [], "identity_text": "Add ERRCODE_T_R_DATABASE_DROPPED error code to report recovery conflicts due to dropped databases (Tatsuo Ishii) This is useful for connection pooling software.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/037", "db_id": "c2edc36efce725fe8c1686e858c6aaed", "patch_ids": [], "statement_hash": "d8f619f672c4ce8afc214e2ca4ffca3f915164bca0a1d2f8373ce37e648e39f6", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-d251b105c2ac4c05", "migration": false}, {"id": "9.1.0-a2ec27088a2018c1", "cves": [], "html": "

\u65b0\u589e\u63a7\u5236\u6d41\u590d\u5236\u91cd\u653e\u7684\u51fd\u6570\uff08Simon Riggs\uff09

\n

\u65b0\u51fd\u6570\u4e3a pg_xlog_replay_pause()\u3001pg_xlog_replay_resume() \u548c\u72b6\u6001\u51fd\u6570 pg_is_xlog_replay_paused()\u3002

", "text": "\u65b0\u589e\u63a7\u5236\u6d41\u590d\u5236\u91cd\u653e\u7684\u51fd\u6570\uff08Simon Riggs\uff09 \u65b0\u51fd\u6570\u4e3a pg_xlog_replay_pause()\u3001pg_xlog_replay_resume() \u548c\u72b6\u6001\u51fd\u6570 pg_is_xlog_replay_paused()\u3002", "title": "\u65b0\u589e\u63a7\u5236\u6d41\u590d\u5236\u91cd\u653e\u7684\u51fd\u6570", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6062\u590d\u63a7\u5236", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.5", "source_hash": "443b69c60525f62beec160a94920a0bbc7872dd8c513f0140938b827fa3f7624", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6062\u590d\u63a7\u5236"], "commit_groups": [], "identity_text": "Add functions to control streaming replication replay (Simon Riggs) The new functions are pg_xlog_replay_pause(), pg_xlog_replay_resume(), and the status function pg_is_xlog_replay_paused().", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/038", "db_id": "27b3b5e9e64e803e92a5eed6197e9bb9", "patch_ids": [], "statement_hash": "d7057eeb9f2c460b1b7f54454a6ef7dc35a345244422d545d95d0850448bae2e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-a2ec27088a2018c1", "migration": false}, {"id": "9.1.0-60ded08529617b76", "cves": [], "html": "

\u65b0\u589e recovery.conf \u8bbe\u7f6e pause_at_recovery_target\uff0c\u7528\u4e8e\u5728\u76ee\u6807\u5904\u6682\u505c\u6062\u590d\uff08Simon Riggs\uff09

\n

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", "text": "\u65b0\u589e recovery.conf \u8bbe\u7f6e pause_at_recovery_target\uff0c\u7528\u4e8e\u5728\u76ee\u6807\u5904\u6682\u505c\u6062\u590d\uff08Simon Riggs\uff09 \u8fd9\u5141\u8bb8\u67e5\u8be2\u6062\u590d\u670d\u52a1\u5668\u4ee5\u68c0\u67e5\u6062\u590d\u70b9\u662f\u5426\u662f\u671f\u671b\u7684\u90a3\u4e2a\u3002", "title": "\u65b0\u589e recovery.conf \u8bbe\u7f6e pause_at_recovery_target\uff0c\u7528\u4e8e\u5728\u76ee\u6807\u5904\u6682\u505c\u6062\u590d", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6062\u590d\u63a7\u5236", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.5", "source_hash": "f5882e280294aae60700e1004f483b1304229925d2aad372f52933f5b2bad11b", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6062\u590d\u63a7\u5236"], "commit_groups": [], "identity_text": "Add recovery.conf setting pause_at_recovery_target to pause recovery at target (Simon Riggs) This allows a recovery server to be queried to check whether the recovery point is the one desired.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/039", "db_id": "a3f5b21e98b02fe9c22e2230f3c53770", "patch_ids": [], "statement_hash": "142a7af51fe42a226a2f2a823fa80a3b9c72e4f1b53bb9099106b5f5f4b23a76", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-60ded08529617b76", "migration": false}, {"id": "9.1.0-52871215eeabef4b", "cves": [], "html": "

\u65b0\u589e\u4f7f\u7528 pg_create_restore_point() \u521b\u5efa\u547d\u540d\u8fd8\u539f\u70b9\u7684\u80fd\u529b\uff08Jaime Casanova\uff09

\n

\u8fd9\u4e9b\u547d\u540d\u8fd8\u539f\u70b9\u53ef\u4ee5\u901a\u8fc7\u65b0\u7684 recovery.conf \u8bbe\u7f6e recovery_target_name \u6307\u5b9a\u4e3a\u6062\u590d\u76ee\u6807\u3002

", "text": "\u65b0\u589e\u4f7f\u7528 pg_create_restore_point() \u521b\u5efa\u547d\u540d\u8fd8\u539f\u70b9\u7684\u80fd\u529b\uff08Jaime Casanova\uff09 \u8fd9\u4e9b\u547d\u540d\u8fd8\u539f\u70b9\u53ef\u4ee5\u901a\u8fc7\u65b0\u7684 recovery.conf \u8bbe\u7f6e recovery_target_name \u6307\u5b9a\u4e3a\u6062\u590d\u76ee\u6807\u3002", "title": "\u65b0\u589e\u4f7f\u7528 pg_create_restore_point() \u521b\u5efa\u547d\u540d\u8fd8\u539f\u70b9\u7684\u80fd\u529b", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6062\u590d\u63a7\u5236", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.5", "source_hash": "b344505afc397b0348e6364a2b291ecdb0672d9c6a772ce12ac9010aecd222e8", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6062\u590d\u63a7\u5236"], "commit_groups": [], "identity_text": "Add the ability to create named restore points using pg_create_restore_point() (Jaime Casanova) These named restore points can be specified as recovery targets using the new recovery.conf setting recovery_target_name.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/040", "db_id": "c397f75bea58b1580f13e27dee8d4da6", "patch_ids": [], "statement_hash": "02444a45a9b412091f74d892c04d4140216dc95d89e0d508340cabd017eb7f8c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-52871215eeabef4b", "migration": false}, {"id": "9.1.0-dc42506318b3829a", "cves": [], "html": "

\u5141\u8bb8\u5907\u5e93\u6062\u590d\u81ea\u52a8\u5207\u6362\u5230\u65b0\u65f6\u95f4\u7ebf\uff08Heikki Linnakangas\uff09

\n

\u73b0\u5728\u5907\u5e93\u670d\u52a1\u5668\u4f1a\u5b9a\u671f\u626b\u63cf\u5f52\u6863\u76ee\u5f55\u4ee5\u53d1\u73b0\u65b0\u65f6\u95f4\u7ebf\u3002

", "text": "\u5141\u8bb8\u5907\u5e93\u6062\u590d\u81ea\u52a8\u5207\u6362\u5230\u65b0\u65f6\u95f4\u7ebf\uff08Heikki Linnakangas\uff09 \u73b0\u5728\u5907\u5e93\u670d\u52a1\u5668\u4f1a\u5b9a\u671f\u626b\u63cf\u5f52\u6863\u76ee\u5f55\u4ee5\u53d1\u73b0\u65b0\u65f6\u95f4\u7ebf\u3002", "title": "\u5141\u8bb8\u5907\u5e93\u6062\u590d\u81ea\u52a8\u5207\u6362\u5230\u65b0\u65f6\u95f4\u7ebf", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6062\u590d\u63a7\u5236", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.5", "source_hash": "43d1a0074272c3c916ff8b994e488a2111c1eff1cc30212aa08696523af6b26e", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6062\u590d\u63a7\u5236"], "commit_groups": [], "identity_text": "Allow standby recovery to switch to a new timeline automatically (Heikki Linnakangas) Now standby servers scan the archive directory for new timelines periodically.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/041", "db_id": "fe049c3581653750f39b188a812a35a0", "patch_ids": [], "statement_hash": "5a979e5fcb89a652d895a19f7a6cc9486346c89c21dd260ed37996ef8e666042", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-dc42506318b3829a", "migration": false}, {"id": "9.1.0-fd80bcfd28f4057d", "cves": [], "html": "

\u65b0\u589e restart_after_crash \u8bbe\u7f6e\uff0c\u7528\u4e8e\u5728\u540e\u7aef\u5d29\u6e83\u540e\u7981\u7528\u81ea\u52a8\u670d\u52a1\u5668\u91cd\u542f\uff08Robert Haas\uff09

\n

\u8fd9\u5141\u8bb8\u5916\u90e8\u96c6\u7c07\u7ba1\u7406\u8f6f\u4ef6\u63a7\u5236\u6570\u636e\u5e93\u670d\u52a1\u5668\u662f\u5426\u91cd\u542f\u3002

", "text": "\u65b0\u589e restart_after_crash \u8bbe\u7f6e\uff0c\u7528\u4e8e\u5728\u540e\u7aef\u5d29\u6e83\u540e\u7981\u7528\u81ea\u52a8\u670d\u52a1\u5668\u91cd\u542f\uff08Robert Haas\uff09 \u8fd9\u5141\u8bb8\u5916\u90e8\u96c6\u7c07\u7ba1\u7406\u8f6f\u4ef6\u63a7\u5236\u6570\u636e\u5e93\u670d\u52a1\u5668\u662f\u5426\u91cd\u542f\u3002", "title": "\u65b0\u589e restart_after_crash \u8bbe\u7f6e\uff0c\u7528\u4e8e\u5728\u540e\u7aef\u5d29\u6e83\u540e\u7981\u7528\u81ea\u52a8\u670d\u52a1\u5668\u91cd\u542f", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6062\u590d\u63a7\u5236", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.5", "source_hash": "d507e2ad6906d63e441971a8fed520e07672b067ba3e8d68bbfdd8b264ed95f1", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6062\u590d\u63a7\u5236"], "commit_groups": [], "identity_text": "Add restart_after_crash setting which disables automatic server restart after a backend crash (Robert Haas) This allows external cluster management software to control whether the database server restarts or not.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/042", "db_id": "762708d7103e2e123c8526e054a26b80", "patch_ids": [], "statement_hash": "47dadbbe5d341f09a16ddf1bd8ffcea67b37b091559c5f21f58805c6c48afc4b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-fd80bcfd28f4057d", "migration": false}, {"id": "9.1.0-f03717324a693a9e", "cves": [], "html": "

\u5141\u8bb8 recovery.conf \u4f7f\u7528\u4e0e postgresql.conf \u76f8\u540c\u7684\u5f15\u53f7\u884c\u4e3a\uff08Dimitri Fontaine\uff09

\n

\u6b64\u524d\u6240\u6709\u503c\u90fd\u5fc5\u987b\u52a0\u5f15\u53f7\u3002

", "text": "\u5141\u8bb8 recovery.conf \u4f7f\u7528\u4e0e postgresql.conf \u76f8\u540c\u7684\u5f15\u53f7\u884c\u4e3a\uff08Dimitri Fontaine\uff09 \u6b64\u524d\u6240\u6709\u503c\u90fd\u5fc5\u987b\u52a0\u5f15\u53f7\u3002", "title": "\u5141\u8bb8 recovery.conf \u4f7f\u7528\u4e0e postgresql.conf \u76f8\u540c\u7684\u5f15\u53f7\u884c\u4e3a", "commits": [], "section": "\u590d\u5236\u548c\u6062\u590d / \u6062\u590d\u63a7\u5236", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.4.5", "source_hash": "3a476c108c7d290b50d91a2427af0a6f8d66a905004b771210b28df37a43a5d7", "section_path": ["\u590d\u5236\u548c\u6062\u590d", "\u6062\u590d\u63a7\u5236"], "commit_groups": [], "identity_text": "Allow recovery.conf to use the same quoting behavior as postgresql.conf (Dimitri Fontaine) Previously all values had to be quoted.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/043", "db_id": "852f7f91ff501fb953e7b1bdcedeed37", "patch_ids": [], "statement_hash": "f1b088245f01dc2bdb6b09b45e104db4504a7d67202f074c59ea602865be468c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-f03717324a693a9e", "migration": false}, {"id": "9.1.0-5ba2dc0f014d0f00", "cves": [], "html": "

\u65b0\u589e\u771f\u6b63\u7684\u53ef\u5e8f\u5217\u5316\u9694\u79bb\u7ea7\u522b\uff08Kevin Grittner\u3001Dan Ports\uff09

\n

\u6b64\u524d\uff0c\u8bf7\u6c42\u53ef\u5e8f\u5217\u5316\u9694\u79bb\u53ea\u4fdd\u8bc1\u6574\u4e2a\u4e8b\u52a1\u4f7f\u7528\u5355\u4e2a MVCC \u5feb\u7167\uff0c\u8fd9\u5141\u8bb8\u67d0\u4e9b\u5df2\u8bb0\u8f7d\u7684\u5f02\u5e38\u3002\u65e7\u7684\u5feb\u7167\u9694\u79bb\u884c\u4e3a\u4ecd\u53ef\u901a\u8fc7\u8bf7\u6c42 REPEATABLE READ \u9694\u79bb\u7ea7\u522b\u83b7\u5f97\u3002

", "text": "\u65b0\u589e\u771f\u6b63\u7684\u53ef\u5e8f\u5217\u5316\u9694\u79bb\u7ea7\u522b\uff08Kevin Grittner\u3001Dan Ports\uff09 \u6b64\u524d\uff0c\u8bf7\u6c42\u53ef\u5e8f\u5217\u5316\u9694\u79bb\u53ea\u4fdd\u8bc1\u6574\u4e2a\u4e8b\u52a1\u4f7f\u7528\u5355\u4e2a MVCC \u5feb\u7167\uff0c\u8fd9\u5141\u8bb8\u67d0\u4e9b\u5df2\u8bb0\u8f7d\u7684\u5f02\u5e38\u3002\u65e7\u7684\u5feb\u7167\u9694\u79bb\u884c\u4e3a\u4ecd\u53ef\u901a\u8fc7\u8bf7\u6c42 REPEATABLE READ \u9694\u79bb\u7ea7\u522b\u83b7\u5f97\u3002", "title": "\u65b0\u589e\u771f\u6b63\u7684\u53ef\u5e8f\u5217\u5316\u9694\u79bb\u7ea7\u522b", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.5", "source_hash": "06eb0ce24d51646d8c84779963059490c3e721e916e7a4398a55206e69653bb3", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Add a true serializable isolation level (Kevin Grittner, Dan Ports) Previously, asking for serializable isolation guaranteed only that a single MVCC snapshot would be used for the entire transaction, which allowed certain documented anomalies. The old snapshot isolation behavior is still available by requesting the REPEATABLE READ isolation level.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/044", "db_id": "719394310c89fabecf01d919818149d5", "patch_ids": [], "statement_hash": "a393b8d562c1c6c9663f8f3f8852b953b5ee92a01226ff2e026faccf7b7cb09c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-5ba2dc0f014d0f00", "migration": false}, {"id": "9.1.0-f9b8919e24427bba", "cves": [], "html": "

\u5141\u8bb8\u5728 WITH \u5b50\u53e5\u4e2d\u4f7f\u7528\u6570\u636e\u4fee\u6539\u547d\u4ee4\uff08INSERT/UPDATE/DELETE\uff09\uff08Marko Tiikkaja\u3001Hitoshi Harada\uff09

\n

\u8fd9\u4e9b\u547d\u4ee4\u53ef\u4ee5\u4f7f\u7528 RETURNING \u628a\u6570\u636e\u4f20\u9012\u7ed9\u5305\u542b\u5b83\u4eec\u7684\u67e5\u8be2\u3002

", "text": "\u5141\u8bb8\u5728 WITH \u5b50\u53e5\u4e2d\u4f7f\u7528\u6570\u636e\u4fee\u6539\u547d\u4ee4\uff08INSERT/UPDATE/DELETE\uff09\uff08Marko Tiikkaja\u3001Hitoshi Harada\uff09 \u8fd9\u4e9b\u547d\u4ee4\u53ef\u4ee5\u4f7f\u7528 RETURNING \u628a\u6570\u636e\u4f20\u9012\u7ed9\u5305\u542b\u5b83\u4eec\u7684\u67e5\u8be2\u3002", "title": "\u5141\u8bb8\u5728 WITH \u5b50\u53e5\u4e2d\u4f7f\u7528\u6570\u636e\u4fee\u6539\u547d\u4ee4\uff08INSERT/UPDATE/DELETE\uff09", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.5", "source_hash": "527a10e75d0300b8e199c7088bf5f2fe14294227653d1b30184c987b111d8f98", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Allow data-modification commands (INSERT/UPDATE/DELETE) in WITH clauses (Marko Tiikkaja, Hitoshi Harada) These commands can use RETURNING to pass data up to the containing query.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/045", "db_id": "917d23692d3acfa91e6c22c0c4e71f22", "patch_ids": [], "statement_hash": "f93c8b551be421a8a7a4e28c9cf4fc0f33677a0f2f56014c05f69451672787ca", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-f9b8919e24427bba", "migration": false}, {"id": "9.1.0-8a13a6bdace086cb", "cves": [], "html": "

\u5141\u8bb8\u628a WITH \u5b50\u53e5\u9644\u52a0\u5230 INSERT\u3001UPDATE\u3001DELETE \u8bed\u53e5\uff08Marko Tiikkaja\u3001Hitoshi Harada\uff09

", "text": "\u5141\u8bb8\u628a WITH \u5b50\u53e5\u9644\u52a0\u5230 INSERT\u3001UPDATE\u3001DELETE \u8bed\u53e5\uff08Marko Tiikkaja\u3001Hitoshi Harada\uff09", "title": "\u5141\u8bb8\u628a WITH \u5b50\u53e5\u9644\u52a0\u5230 INSERT\u3001UPDATE\u3001DELETE \u8bed\u53e5", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.5", "source_hash": "fa0d2a5e1c2832623b906eb66e1ea506108965306bedfcbebab6bbc05ee9400b", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Allow WITH clauses to be attached to INSERT, UPDATE, DELETE statements (Marko Tiikkaja, Hitoshi Harada)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/046", "db_id": "c672817816cd03574cebb693f4a6ce10", "patch_ids": [], "statement_hash": "0f044ee1959003adb4f09b69bf625e3a7d15254ea5e024215f51adb4cbc2b3e2", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-8a13a6bdace086cb", "migration": false}, {"id": "9.1.0-c8077d271e52a9b7", "cves": [], "html": "

\u5f53\u5728 GROUP BY \u5b50\u53e5\u4e2d\u6307\u5b9a\u4e86\u4e3b\u952e\u65f6\uff0c\u5141\u8bb8\u67e5\u8be2\u76ee\u6807\u5217\u8868\u4e2d\u51fa\u73b0\u975e GROUP BY \u5217\uff08Peter Eisentraut\uff09

\n

SQL \u6807\u51c6\u5141\u8bb8\u8fd9\u79cd\u884c\u4e3a\uff0c\u800c\u4e14\u7531\u4e8e\u6709\u4e3b\u952e\uff0c\u7ed3\u679c\u662f\u65e0\u6b67\u4e49\u7684\u3002

", "text": "\u5f53\u5728 GROUP BY \u5b50\u53e5\u4e2d\u6307\u5b9a\u4e86\u4e3b\u952e\u65f6\uff0c\u5141\u8bb8\u67e5\u8be2\u76ee\u6807\u5217\u8868\u4e2d\u51fa\u73b0\u975e GROUP BY \u5217\uff08Peter Eisentraut\uff09 SQL \u6807\u51c6\u5141\u8bb8\u8fd9\u79cd\u884c\u4e3a\uff0c\u800c\u4e14\u7531\u4e8e\u6709\u4e3b\u952e\uff0c\u7ed3\u679c\u662f\u65e0\u6b67\u4e49\u7684\u3002", "title": "\u5f53\u5728 GROUP BY \u5b50\u53e5\u4e2d\u6307\u5b9a\u4e86\u4e3b\u952e\u65f6\uff0c\u5141\u8bb8\u67e5\u8be2\u76ee\u6807\u5217\u8868\u4e2d\u51fa\u73b0\u975e GROUP BY \u5217", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.5", "source_hash": "db46e0afce7d439f987543eaae1d976b05cad9a8b10402b420c6d479c69dfbbb", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Allow non-GROUP BY columns in the query target list when the primary key is specified in the GROUP BY clause (Peter Eisentraut) The SQL standard allows this behavior, and because of the primary key, the result is unambiguous.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/047", "db_id": "96dff4e80c15eddbfe1fd08d1b58f062", "patch_ids": [], "statement_hash": "4fbb8ab2e4b050a102fe22aa324b7c792357581fc91d8b5bd1c1816f1e96aeab", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-c8077d271e52a9b7", "migration": false}, {"id": "9.1.0-9587f77a8f108e6e", "cves": [], "html": "

\u5141\u8bb8\u5728 UNION/INTERSECT/EXCEPT \u5b50\u53e5\u4e2d\u4f7f\u7528\u5173\u952e\u5b57 DISTINCT\uff08Tom Lane\uff09

\n

DISTINCT \u662f\u9ed8\u8ba4\u884c\u4e3a\uff0c\u56e0\u6b64\u4f7f\u7528\u8be5\u5173\u952e\u5b57\u662f\u5197\u4f59\u7684\uff0c\u4f46 SQL \u6807\u51c6\u5141\u8bb8\u3002

", "text": "\u5141\u8bb8\u5728 UNION/INTERSECT/EXCEPT \u5b50\u53e5\u4e2d\u4f7f\u7528\u5173\u952e\u5b57 DISTINCT\uff08Tom Lane\uff09 DISTINCT \u662f\u9ed8\u8ba4\u884c\u4e3a\uff0c\u56e0\u6b64\u4f7f\u7528\u8be5\u5173\u952e\u5b57\u662f\u5197\u4f59\u7684\uff0c\u4f46 SQL \u6807\u51c6\u5141\u8bb8\u3002", "title": "\u5141\u8bb8\u5728 UNION/INTERSECT/EXCEPT \u5b50\u53e5\u4e2d\u4f7f\u7528\u5173\u952e\u5b57 DISTINCT", "commits": [], "section": "\u67e5\u8be2", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.5", "source_hash": "d8f76fd6f4a889af1ef9bc06cb705d49de7a5a68597eacb1f316eea4d1886532", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Allow use of the key word DISTINCT in UNION/INTERSECT/EXCEPT clauses (Tom Lane) DISTINCT is the default behavior so use of this key word is redundant, but the SQL standard allows it.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/048", "db_id": "e585f6807fee4f07a4c0ddf6d8e6c44f", "patch_ids": [], "statement_hash": "6ca9d148fd435b5b645807f361ca64676aa38e849b70e586795abdce73568423", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-9587f77a8f108e6e", "migration": false}, {"id": "9.1.0-ef90f0cfd9397e75", "cves": [], "html": "

\u4fee\u590d\u5e26\u89c4\u5219\u7684\u666e\u901a\u67e5\u8be2\uff0c\u4f7f\u5176\u4f7f\u7528\u4e0e EXPLAIN ANALYZE \u76f8\u540c\u7684\u5feb\u7167\u884c\u4e3a\uff08Marko Tiikkaja\uff09

\n

\u6b64\u524d EXPLAIN ANALYZE \u5bf9\u6d89\u53ca\u89c4\u5219\u7684\u67e5\u8be2\u4f7f\u7528\u7684\u5feb\u7167\u65f6\u673a\u7565\u6709\u4e0d\u540c\u3002EXPLAIN ANALYZE \u7684\u884c\u4e3a\u88ab\u8ba4\u4e3a\u66f4\u5408\u903b\u8f91\u3002

", "text": "\u4fee\u590d\u5e26\u89c4\u5219\u7684\u666e\u901a\u67e5\u8be2\uff0c\u4f7f\u5176\u4f7f\u7528\u4e0e EXPLAIN ANALYZE \u76f8\u540c\u7684\u5feb\u7167\u884c\u4e3a\uff08Marko Tiikkaja\uff09 \u6b64\u524d EXPLAIN ANALYZE \u5bf9\u6d89\u53ca\u89c4\u5219\u7684\u67e5\u8be2\u4f7f\u7528\u7684\u5feb\u7167\u65f6\u673a\u7565\u6709\u4e0d\u540c\u3002EXPLAIN ANALYZE \u7684\u884c\u4e3a\u88ab\u8ba4\u4e3a\u66f4\u5408\u903b\u8f91\u3002", "title": "\u4fee\u590d\u5e26\u89c4\u5219\u7684\u666e\u901a\u67e5\u8be2\uff0c\u4f7f\u5176\u4f7f\u7528\u4e0e EXPLAIN ANALYZE \u76f8\u540c\u7684\u5feb\u7167\u884c\u4e3a", "commits": [], "section": "\u67e5\u8be2", "category": "bugfix", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.5", "source_hash": "ee052172ee65fd5bfdcc7641f8a638d75c49cd49a0c410aae8d3b0b738c70ff7", "section_path": ["\u67e5\u8be2"], "commit_groups": [], "identity_text": "Fix ordinary queries with rules to use the same snapshot behavior as EXPLAIN ANALYZE (Marko Tiikkaja) Previously EXPLAIN ANALYZE used slightly different snapshot timing for queries involving rules. The EXPLAIN ANALYZE behavior was judged to be more logical.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/049", "db_id": "c6fd44b9abb35d43cd220cc6342f8af9", "patch_ids": [], "statement_hash": "64e380ae2b06c659039aafcd5bb0e3d1de03137cbeb197372a364da67f66c9b2", "relations": [], "category_label": "BUG \u4fee\u590d", "url": "/docs/compare/?release=9.1.0#9.1.0-ef90f0cfd9397e75", "migration": false}, {"id": "9.1.0-b622be94e1aea03f", "cves": [], "html": "

\u65b0\u589e\u9010\u5217\u6392\u5e8f\u89c4\u5219\u652f\u6301\uff08Peter Eisentraut\u3001Tom Lane\uff09

\n

\u6b64\u524d\u6392\u5e8f\u89c4\u5219\uff08\u6587\u672c\u5b57\u7b26\u4e32\u7684\u6392\u5e8f\u987a\u5e8f\uff09\u53ea\u80fd\u5728\u521b\u5efa\u6570\u636e\u5e93\u65f6\u9009\u62e9\u3002\u73b0\u5728\u53ef\u4ee5\u901a\u8fc7 SQL \u6807\u51c6\u7684 COLLATE \u5b50\u53e5\u9010\u5217\u3001\u9010\u57df\u3001\u9010\u7d22\u5f15\u6216\u9010\u8868\u8fbe\u5f0f\u8bbe\u7f6e\u6392\u5e8f\u89c4\u5219\u3002

", "text": "\u65b0\u589e\u9010\u5217\u6392\u5e8f\u89c4\u5219\u652f\u6301\uff08Peter Eisentraut\u3001Tom Lane\uff09 \u6b64\u524d\u6392\u5e8f\u89c4\u5219\uff08\u6587\u672c\u5b57\u7b26\u4e32\u7684\u6392\u5e8f\u987a\u5e8f\uff09\u53ea\u80fd\u5728\u521b\u5efa\u6570\u636e\u5e93\u65f6\u9009\u62e9\u3002\u73b0\u5728\u53ef\u4ee5\u901a\u8fc7 SQL \u6807\u51c6\u7684 COLLATE \u5b50\u53e5\u9010\u5217\u3001\u9010\u57df\u3001\u9010\u7d22\u5f15\u6216\u9010\u8868\u8fbe\u5f0f\u8bbe\u7f6e\u6392\u5e8f\u89c4\u5219\u3002", "title": "\u65b0\u589e\u9010\u5217\u6392\u5e8f\u89c4\u5219\u652f\u6301", "commits": [], "section": "\u67e5\u8be2 / \u5b57\u7b26\u4e32", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.5.3", "source_hash": "0ba6162e2014dec6b9c5dd01e7237801b219231ae1e77a25ca937d1ad42664f3", "section_path": ["\u67e5\u8be2", "\u5b57\u7b26\u4e32"], "commit_groups": [], "identity_text": "Add per-column collation support (Peter Eisentraut, Tom Lane) Previously collation (the sort ordering of text strings) could only be chosen at database creation. Collation can now be set per column, domain, index, or expression, via the SQL-standard COLLATE clause.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/050", "db_id": "8e04130aa430cbfc39aa1812a9a14de5", "patch_ids": [], "statement_hash": "2e28c589c11f22ddb7fd4661b1889ae4a22a32963e9ad5423b9b2159186d2e67", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-b622be94e1aea03f", "migration": false}, {"id": "9.1.0-9ad05cfede26d294", "cves": [], "html": "

\u65b0\u589e\u6269\u5c55\uff0c\u7b80\u5316 PostgreSQL \u9644\u52a0\u529f\u80fd\u7684\u6253\u5305\uff08Dimitri Fontaine\u3001Tom Lane\uff09

\n

\u6269\u5c55\u7531\u65b0\u7684 CREATE/ALTER/DROP EXTENSION \u547d\u4ee4\u63a7\u5236\u3002\u8fd9\u53d6\u4ee3\u4e86\u5bf9\u6dfb\u52a0\u5230 PostgreSQL \u5b89\u88c5\u7684\u5bf9\u8c61\u8fdb\u884c\u5206\u7ec4\u7684\u4e34\u65f6\u65b9\u6cd5\u3002

", "text": "\u65b0\u589e\u6269\u5c55\uff0c\u7b80\u5316 PostgreSQL \u9644\u52a0\u529f\u80fd\u7684\u6253\u5305\uff08Dimitri Fontaine\u3001Tom Lane\uff09 \u6269\u5c55\u7531\u65b0\u7684 CREATE/ALTER/DROP EXTENSION \u547d\u4ee4\u63a7\u5236\u3002\u8fd9\u53d6\u4ee3\u4e86\u5bf9\u6dfb\u52a0\u5230 PostgreSQL \u5b89\u88c5\u7684\u5bf9\u8c61\u8fdb\u884c\u5206\u7ec4\u7684\u4e34\u65f6\u65b9\u6cd5\u3002", "title": "\u65b0\u589e\u6269\u5c55\uff0c\u7b80\u5316 PostgreSQL \u9644\u52a0\u529f\u80fd\u7684\u6253\u5305", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.6", "source_hash": "f8029cabe7d1c3b148109b7e2c69196cf1f841ef584e1181352e4cbfeeb4113e", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c"], "commit_groups": [], "identity_text": "Add extensions which simplify packaging of additions to PostgreSQL (Dimitri Fontaine, Tom Lane) Extensions are controlled by the new CREATE/ALTER/DROP EXTENSION commands. This replaces ad-hoc methods of grouping objects that are added to a PostgreSQL installation.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/051", "db_id": "cde2eb2f398bc04124d819a2dddf2317", "patch_ids": [], "statement_hash": "69886d573c856f102d6b995e9d0e479c20e32a5b4e7cf4d7044a259b7e6989d7", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-9ad05cfede26d294", "migration": false}, {"id": "9.1.0-18891b0211c6d571", "cves": [], "html": "

\u65b0\u589e\u5bf9\u5916\u90e8\u8868\u7684\u652f\u6301\uff08Shigeru Hanada\u3001Robert Haas\u3001Jan Urbanski\u3001Heikki Linnakangas\uff09

\n

\u8fd9\u5141\u8bb8\u50cf\u4f7f\u7528 PostgreSQL \u539f\u751f\u5b58\u50a8\u7684\u6570\u636e\u4e00\u6837\u4f7f\u7528\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e4b\u5916\u7684\u6570\u636e\u3002\u4f46\u5916\u90e8\u8868\u76ee\u524d\u662f\u53ea\u8bfb\u7684\u3002

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\u65b0\u589e ALTER TYPE ... ADD/DROP/ALTER/RENAME ATTRIBUTE\uff08Peter Eisentraut\uff09

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\u652f\u6301 ALTER TABLE name {OF | NOT OF} type\uff08Noah Misch\uff09

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\u4e3a ALTER ... SET SCHEMA \u547d\u4ee4\u4e2d\u7684\u66f4\u591a\u5bf9\u8c61\u7c7b\u578b\u65b0\u589e\u652f\u6301\uff08Dimitri Fontaine\uff09

\n

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\u65b0\u589e ALTER TABLE ... ADD UNIQUE/PRIMARY KEY USING INDEX\uff08Gurjeet Singh\uff09

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\u5141\u8bb8 ALTER TABLE \u6dfb\u52a0\u672a\u7ecf\u9a8c\u8bc1\u7684\u5916\u952e\uff08Simon Riggs\uff09

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\u65b0\u589e CREATE TABLE IF NOT EXISTS \u8bed\u6cd5\uff08Robert Haas\uff09

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", "text": "\u65b0\u589e CREATE TABLE IF NOT EXISTS \u8bed\u6cd5\uff08Robert Haas\uff09 \u8fd9\u5141\u8bb8\u5728\u8868\u5df2\u5b58\u5728\u65f6\u521b\u5efa\u8868\u800c\u4e0d\u62a5\u9519\u3002", "title": "\u65b0\u589e CREATE TABLE IF NOT EXISTS \u8bed\u6cd5", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / CREATE/ALTER TABLE", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.6.4", "source_hash": "7caf47776ac2ad24c0dee248af83c7b37cc8201546868c4569358fc21cdee809", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "CREATE/ALTER TABLE"], "commit_groups": [], "identity_text": "Add CREATE TABLE IF NOT EXISTS syntax (Robert Haas) This allows table creation without causing an error if the table already exists.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/061", "db_id": "70cc18a9b37dc6696063de1b730d57b2", "patch_ids": [], "statement_hash": "73cb349154c94f22bbfffa650a3b9f826b667996649e1cb46bac01ce409e08b2", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-578cde314d1612bd", "migration": false}, {"id": "9.1.0-749b74e2272371c4", "cves": [], "html": "

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\n

ALTER TABLE \u73b0\u5728\u5bf9\u7236\u8868\u6301\u6709\u66f4\u5f3a\u7684\u9501\uff0c\u4f7f\u4f1a\u8bdd\u65e0\u6cd5\u540c\u65f6\u5c1d\u8bd5\u66f4\u65b0\u5b83\u3002

", "text": "\u4fee\u590d\u5f53\u4e24\u4e2a\u540e\u7aef\u540c\u65f6\u5c1d\u8bd5\u5411\u540c\u4e00\u4e2a\u8868\u6dfb\u52a0\u7ee7\u627f\u5b50\u8868\u65f6\u53ef\u80fd\u51fa\u73b0\u7684 \u201ctuple concurrently updated\u201d \u9519\u8bef\uff08Robert Haas\uff09 ALTER TABLE \u73b0\u5728\u5bf9\u7236\u8868\u6301\u6709\u66f4\u5f3a\u7684\u9501\uff0c\u4f7f\u4f1a\u8bdd\u65e0\u6cd5\u540c\u65f6\u5c1d\u8bd5\u66f4\u65b0\u5b83\u3002", "title": "\u4fee\u590d\u5f53\u4e24\u4e2a\u540e\u7aef\u540c\u65f6\u5c1d\u8bd5\u5411\u540c\u4e00\u4e2a\u8868\u6dfb\u52a0\u7ee7\u627f\u5b50\u8868\u65f6\u53ef\u80fd\u51fa\u73b0\u7684 \u201ctuple concurrently updated\u201d \u9519\u8bef", "commits": [], "section": "\u5bf9\u8c61\u64cd\u4f5c / CREATE/ALTER TABLE", "category": "bugfix", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.6.4", "source_hash": "affc19afd0ed1731ca7bc84a5d7a28309a274df64698d99cbfd9190c6c5c9ce2", "section_path": ["\u5bf9\u8c61\u64cd\u4f5c", "CREATE/ALTER TABLE"], "commit_groups": [], "identity_text": "Fix possible tuple concurrently updated error when two backends attempt to add an inheritance child to the same table at the same time (Robert Haas) ALTER TABLE now takes a stronger lock on the parent table, so that the sessions cannot try to update it simultaneously.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/062", "db_id": "d6fc545730313733da591e028b214cd4", "patch_ids": [], "statement_hash": "828dae0348874dfd62b50af7480706c6f8cb3c37e005be27af9be52560279360", "relations": [], "category_label": "BUG \u4fee\u590d", "url": "/docs/compare/?release=9.1.0#9.1.0-749b74e2272371c4", "migration": false}, {"id": "9.1.0-99950daa00f74d22", "cves": [], "html": "

\u65b0\u589e SECURITY LABEL \u547d\u4ee4\uff08KaiGai Kohei\uff09

\n

\u8fd9\u5141\u8bb8\u4e3a\u5bf9\u8c61\u5206\u914d\u5b89\u5168\u6807\u7b7e\u3002

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\u65b0\u589e\u4e8b\u52a1\u7ea7\u54a8\u8be2\u9501\uff08Marko Tiikkaja\uff09

\n

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\u8ba9 TRUNCATE ... RESTART IDENTITY \u4ee5\u4e8b\u52a1\u65b9\u5f0f\u91cd\u542f\u5e8f\u5217\uff08Steve Singer\uff09

\n

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", "text": "\u8ba9 TRUNCATE ... RESTART IDENTITY \u4ee5\u4e8b\u52a1\u65b9\u5f0f\u91cd\u542f\u5e8f\u5217\uff08Steve Singer\uff09 \u6b64\u524d\uff0c\u5982\u679c\u540e\u7aef\u5728\u63d0\u4ea4\u65f6\u622a\u65ad\u6d3b\u52a8\u4e0e\u63d0\u4ea4\u5b8c\u6210\u4e4b\u95f4\u5d29\u6e83\uff0c\u8ba1\u6570\u5668\u53ef\u80fd\u5931\u53bb\u540c\u6b65\u3002", "title": "\u8ba9 TRUNCATE ... RESTART IDENTITY \u4ee5\u4e8b\u52a1\u65b9\u5f0f\u91cd\u542f\u5e8f\u5217", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7", "source_hash": "0d28a43faa1214023a99ece4970fe3b34b84cc78d985986b57e66dac31880a8d", "section_path": ["\u5de5\u5177\u64cd\u4f5c"], "commit_groups": [], "identity_text": "Make TRUNCATE ... RESTART IDENTITY restart sequences transactionally (Steve Singer) Previously the counter could have been left out of sync if a backend crashed between the on-commit truncation activity and commit completion.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/065", "db_id": "9262067602f970549d8aadd2564190c9", "patch_ids": [], "statement_hash": "28f2c45faaaeb17570ca1916d2583a0f8f9d9d7c9b9e90a53a72e9cdf8cc6b31", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-9eb64a4c5834452b", "migration": false}, {"id": "9.1.0-809698af721368bd", "cves": [], "html": "

\u4e3a COPY TO/FROM \u65b0\u589e ENCODING \u9009\u9879\uff08Hitoshi Harada\u3001Itagaki Takahiro\uff09

\n

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", "text": "\u4e3a COPY TO/FROM \u65b0\u589e ENCODING \u9009\u9879\uff08Hitoshi Harada\u3001Itagaki Takahiro\uff09 \u8fd9\u5141\u8bb8\u5355\u72ec\u6307\u5b9a COPY \u6587\u4ef6\u7684\u7f16\u7801\uff0c\u800c\u4e0d\u662f\u8ddf\u968f\u5ba2\u6237\u7aef\u7f16\u7801\u3002", "title": "\u4e3a COPY TO/FROM \u65b0\u589e ENCODING \u9009\u9879", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / COPY", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.3", "source_hash": "5adc811e136486d79cba222cb1067ba5ed60bead461ab16c8ebc0d8929351883", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "COPY"], "commit_groups": [], "identity_text": "Add ENCODING option to COPY TO/FROM (Hitoshi Harada, Itagaki Takahiro) This allows the encoding of the COPY file to be specified separately from client encoding.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/066", "db_id": "28c5240c9e20d59ddec17536451200ca", "patch_ids": [], "statement_hash": "f80030caed19424da2861f4a1c195d31cd803f5e89b0a38cd5e48125c3b1dc36", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-809698af721368bd", "migration": false}, {"id": "9.1.0-0d5d2b854b8d38bf", "cves": [], "html": "

\u65b0\u589e\u53cc\u5411 COPY \u534f\u8bae\u652f\u6301\uff08Fujii Masao\uff09

\n

\u8fd9\u76ee\u524d\u53ea\u88ab\u6d41\u590d\u5236\u4f7f\u7528\u3002

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\u8ba9 EXPLAIN VERBOSE \u663e\u793a FunctionScan \u8282\u70b9\u4e2d\u7684\u51fd\u6570\u8c03\u7528\u8868\u8fbe\u5f0f\uff08Tom Lane\uff09

", "text": "\u8ba9 EXPLAIN VERBOSE \u663e\u793a FunctionScan \u8282\u70b9\u4e2d\u7684\u51fd\u6570\u8c03\u7528\u8868\u8fbe\u5f0f\uff08Tom Lane\uff09", "title": "\u8ba9 EXPLAIN VERBOSE \u663e\u793a FunctionScan \u8282\u70b9\u4e2d\u7684\u51fd\u6570\u8c03\u7528\u8868\u8fbe\u5f0f", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / EXPLAIN", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.4", "source_hash": "e6fab17c4c93ef14328104466c4cfd633fd0165aa1c3d6a35251b09ff3bb8441", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "EXPLAIN"], "commit_groups": [], "identity_text": "Make EXPLAIN VERBOSE show the function call expression in a FunctionScan node (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/068", "db_id": "3046165fb2ae987fce3027c65dc818a9", "patch_ids": [], "statement_hash": "f3361ca89882bdaefdfedc56c3b11796fb8acb7f330f25d09c3a4c6f7a32f8bc", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-466745a21086e977", "migration": false}, {"id": "9.1.0-a0766d3a68893c32", "cves": [], "html": "

\u4e3a VACUUM FULL VERBOSE \u548c CLUSTER VERBOSE \u7684\u8f93\u51fa\u6dfb\u52a0\u66f4\u591a\u7ec6\u8282\uff08Itagaki Takahiro\uff09

\n

\u65b0\u4fe1\u606f\u5305\u62ec\u5b58\u6d3b\u548c\u6b7b\u4ea1\u5143\u7ec4\u8ba1\u6570\uff0c\u4ee5\u53ca CLUSTER \u662f\u5426\u4f7f\u7528\u7d22\u5f15\u91cd\u5efa\u3002

", "text": "\u4e3a VACUUM FULL VERBOSE \u548c CLUSTER VERBOSE \u7684\u8f93\u51fa\u6dfb\u52a0\u66f4\u591a\u7ec6\u8282\uff08Itagaki Takahiro\uff09 \u65b0\u4fe1\u606f\u5305\u62ec\u5b58\u6d3b\u548c\u6b7b\u4ea1\u5143\u7ec4\u8ba1\u6570\uff0c\u4ee5\u53ca CLUSTER \u662f\u5426\u4f7f\u7528\u7d22\u5f15\u91cd\u5efa\u3002", "title": "\u4e3a VACUUM FULL VERBOSE \u548c CLUSTER VERBOSE \u7684\u8f93\u51fa\u6dfb\u52a0\u66f4\u591a\u7ec6\u8282", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / VACUUM", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.5", "source_hash": "686f01212bf5a0605654a99543bceeb7ba78847111b421a7e2c2baaea380be1a", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "VACUUM"], "commit_groups": [], "identity_text": "Add additional details to the output of VACUUM FULL VERBOSE and CLUSTER VERBOSE (Itagaki Takahiro) New information includes the live and dead tuple count and whether CLUSTER is using an index to rebuild.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/069", "db_id": "21d3bc8b46fab1ce3fe4acadf356fc50", "patch_ids": [], "statement_hash": "ee209fb7c72d6cb32cc820cd1906d27b791cfbbda4530e55fa046e737d8f6c5b", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-a0766d3a68893c32", "migration": false}, {"id": "9.1.0-b62c60926b2dc8fc", "cves": [], "html": "

\u9632\u6b62\u81ea\u52a8\u6e05\u7406\u5728\u65e0\u6cd5\u83b7\u5f97\u8868\u9501\u65f6\u7b49\u5f85\uff08Robert Haas\uff09

\n

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", "text": "\u9632\u6b62\u81ea\u52a8\u6e05\u7406\u5728\u65e0\u6cd5\u83b7\u5f97\u8868\u9501\u65f6\u7b49\u5f85\uff08Robert Haas\uff09 \u5b83\u4f1a\u5728\u7a0d\u540e\u518d\u6b21\u5c1d\u8bd5\u6e05\u7406\u8be5\u8868\u3002", "title": "\u9632\u6b62\u81ea\u52a8\u6e05\u7406\u5728\u65e0\u6cd5\u83b7\u5f97\u8868\u9501\u65f6\u7b49\u5f85", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / VACUUM", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.5", "source_hash": "57f009135eb13f4d3cf50fb06aaa03a4d9a690134c7066a9dd5b98d4615358cc", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "VACUUM"], "commit_groups": [], "identity_text": "Prevent autovacuum from waiting if it cannot acquire a table lock (Robert Haas) It will try to vacuum that table later.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/070", "db_id": "2b4f1e2f89ba47d474901f521c22ce76", "patch_ids": [], "statement_hash": "044d2632667e1c82748f33c5c3c3915e97946b7f0b1e12c1ed5a4059df661c8e", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-b62c60926b2dc8fc", "migration": false}, {"id": "9.1.0-ccfd879b69ab9d19", "cves": [], "html": "

\u5f53\u770b\u8d77\u6765\u66f4\u5ec9\u4ef7\u65f6\uff0c\u5141\u8bb8 CLUSTER \u5bf9\u8868\u6392\u5e8f\u800c\u4e0d\u662f\u626b\u63cf\u7d22\u5f15\uff08Leonardo Francalanci\uff09

", "text": "\u5f53\u770b\u8d77\u6765\u66f4\u5ec9\u4ef7\u65f6\uff0c\u5141\u8bb8 CLUSTER \u5bf9\u8868\u6392\u5e8f\u800c\u4e0d\u662f\u626b\u63cf\u7d22\u5f15\uff08Leonardo Francalanci\uff09", "title": "\u5f53\u770b\u8d77\u6765\u66f4\u5ec9\u4ef7\u65f6\uff0c\u5141\u8bb8 CLUSTER \u5bf9\u8868\u6392\u5e8f\u800c\u4e0d\u662f\u626b\u63cf\u7d22\u5f15", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / CLUSTER", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.6", "source_hash": "4a43d5159bf5ac038bb1624cdbce2fe7b16f9d4c49c35ef473aece18f5ad4b0f", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "CLUSTER"], "commit_groups": [], "identity_text": "Allow CLUSTER to sort the table rather than scanning the index when it seems likely to be cheaper (Leonardo Francalanci)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/071", "db_id": "50c5b5eb1040d15966ca741c2460a8ae", "patch_ids": [], "statement_hash": "8514ead5e5950ae07a062f4994fc5d614d58e8482d94d60c33f86059f4f104f1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-ccfd879b69ab9d19", "migration": false}, {"id": "9.1.0-1ef41e488fc50806", "cves": [], "html": "

\u4e3a GiST \u7d22\u5f15\u65b0\u589e\u6700\u8fd1\u90bb\uff08\u6309\u64cd\u4f5c\u7b26\u6392\u5e8f\uff09\u641c\u7d22\uff08Teodor Sigaev\u3001Tom Lane\uff09

\n

\u8fd9\u5141\u8bb8 GiST \u7d22\u5f15\u5728\u5e26 LIMIT \u7684\u67e5\u8be2\u4e2d\u5feb\u901f\u8fd4\u56de\u6700\u63a5\u8fd1\u7684 N \u4e2a\u503c\u3002\u4f8b\u5982

\n
 SELECT * FROM places ORDER BY location <-> point '(101,456)' LIMIT 10;  \n
\n

\u627e\u51fa\u6700\u63a5\u8fd1\u7ed9\u5b9a\u76ee\u6807\u70b9\u7684\u5341\u4e2a\u5730\u70b9\u3002

", "text": "\u4e3a GiST \u7d22\u5f15\u65b0\u589e\u6700\u8fd1\u90bb\uff08\u6309\u64cd\u4f5c\u7b26\u6392\u5e8f\uff09\u641c\u7d22\uff08Teodor Sigaev\u3001Tom Lane\uff09 \u8fd9\u5141\u8bb8 GiST \u7d22\u5f15\u5728\u5e26 LIMIT \u7684\u67e5\u8be2\u4e2d\u5feb\u901f\u8fd4\u56de\u6700\u63a5\u8fd1\u7684 N \u4e2a\u503c\u3002\u4f8b\u5982 SELECT * FROM places ORDER BY location <-> point '(101,456)' LIMIT 10; \u627e\u51fa\u6700\u63a5\u8fd1\u7ed9\u5b9a\u76ee\u6807\u70b9\u7684\u5341\u4e2a\u5730\u70b9\u3002", "title": "\u4e3a GiST \u7d22\u5f15\u65b0\u589e\u6700\u8fd1\u90bb\uff08\u6309\u64cd\u4f5c\u7b26\u6392\u5e8f\uff09\u641c\u7d22", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.7", "source_hash": "9a214cb10a8ee99ce750602fd5b7c1207ca9d3b48a3c857f293db6d9df9519db", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "Add nearest-neighbor (order-by-operator) searching to GiST indexes (Teodor Sigaev, Tom Lane) This allows GiST indexes to quickly return the N closest values in a query with LIMIT. For example SELECT * FROM places ORDER BY location <-> point '(101,456)' LIMIT 10; finds the ten places closest to a given target point.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/072", "db_id": "3b9e645dcb29ee6426ca16f3433ceee8", "patch_ids": [], "statement_hash": "73c7724e4aaa42acc930fdfe34aab0c170ea86ea22c654cb7c4e9f8ebfc28ede", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-1ef41e488fc50806", "migration": false}, {"id": "9.1.0-1c83413c02a303fd", "cves": [], "html": "

\u5141\u8bb8 GIN \u7d22\u5f15\u7d22\u5f15\u7a7a\u503c\u548c\u7a7a\u5b57\u7b26\u4e32\uff08Tom Lane\uff09

\n

\u8fd9\u5141\u8bb8\u5b8c\u6574\u7684 GIN \u7d22\u5f15\u626b\u63cf\uff0c\u5e76\u4fee\u590d\u4e86 GIN \u626b\u63cf\u4f1a\u5931\u8d25\u7684\u5404\u79cd\u6781\u7aef\u60c5\u51b5\u3002

", "text": "\u5141\u8bb8 GIN \u7d22\u5f15\u7d22\u5f15\u7a7a\u503c\u548c\u7a7a\u5b57\u7b26\u4e32\uff08Tom Lane\uff09 \u8fd9\u5141\u8bb8\u5b8c\u6574\u7684 GIN \u7d22\u5f15\u626b\u63cf\uff0c\u5e76\u4fee\u590d\u4e86 GIN \u626b\u63cf\u4f1a\u5931\u8d25\u7684\u5404\u79cd\u6781\u7aef\u60c5\u51b5\u3002", "title": "\u5141\u8bb8 GIN \u7d22\u5f15\u7d22\u5f15\u7a7a\u503c\u548c\u7a7a\u5b57\u7b26\u4e32", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.7", "source_hash": "e7efde599b03d7f97e85f84e0430d8db54e1c9623d2c08952b987243072496ad", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "Allow GIN indexes to index null and empty values (Tom Lane) This allows full GIN index scans, and fixes various corner cases in which GIN scans would fail.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/073", "db_id": "1753b71e1a86474e350593246bba395c", "patch_ids": [], "statement_hash": "69e5d0df010052be4b47043ca873ed00c64c96ae989facf91381fbfe5648c663", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-1c83413c02a303fd", "migration": false}, {"id": "9.1.0-b424f87e9649988c", "cves": [], "html": "

\u8ba9 GIN \u7d22\u5f15\u66f4\u597d\u5730\u8bc6\u522b\u91cd\u590d\u7684\u641c\u7d22\u6761\u76ee\uff08Tom Lane\uff09

\n

\u8fd9\u964d\u4f4e\u4e86\u7d22\u5f15\u626b\u63cf\u7684\u4ee3\u4ef7\uff0c\u5c24\u5176\u662f\u5728\u80fd\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5168\u7d22\u5f15\u626b\u63cf\u7684\u60c5\u51b5\u4e0b\u3002

", "text": "\u8ba9 GIN \u7d22\u5f15\u66f4\u597d\u5730\u8bc6\u522b\u91cd\u590d\u7684\u641c\u7d22\u6761\u76ee\uff08Tom Lane\uff09 \u8fd9\u964d\u4f4e\u4e86\u7d22\u5f15\u626b\u63cf\u7684\u4ee3\u4ef7\uff0c\u5c24\u5176\u662f\u5728\u80fd\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5168\u7d22\u5f15\u626b\u63cf\u7684\u60c5\u51b5\u4e0b\u3002", "title": "\u8ba9 GIN \u7d22\u5f15\u66f4\u597d\u5730\u8bc6\u522b\u91cd\u590d\u7684\u641c\u7d22\u6761\u76ee", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.7", "source_hash": "27d60985db39bcd045d2551d10ca8f1ffa97b0e26a56744b4ed893e7404dce9a", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "Allow GIN indexes to better recognize duplicate search entries (Tom Lane) This reduces the cost of index scans, especially in cases where it avoids unnecessary full index scans.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/074", "db_id": "4004583679d1dafd6aa31b4ad7ff167e", "patch_ids": [], "statement_hash": "d4f80ad6f5b2b57781eb04083a791813d7fc58bb9f1ec1b64c1b3482f8554275", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-b424f87e9649988c", "migration": false}, {"id": "9.1.0-5ef398f249e70369", "cves": [], "html": "

\u4fee\u590d GiST \u7d22\u5f15\uff0c\u4f7f\u5176\u5b8c\u5168\u5d29\u6e83\u5b89\u5168\uff08Heikki Linnakangas\uff09

\n

\u6b64\u524d\u6709\u5c11\u6570\u60c5\u51b5\u9700\u8981\u6267\u884c REINDEX\uff08\u4f60\u4f1a\u88ab\u544a\u77e5\uff09\u3002

", "text": "\u4fee\u590d GiST \u7d22\u5f15\uff0c\u4f7f\u5176\u5b8c\u5168\u5d29\u6e83\u5b89\u5168\uff08Heikki Linnakangas\uff09 \u6b64\u524d\u6709\u5c11\u6570\u60c5\u51b5\u9700\u8981\u6267\u884c REINDEX\uff08\u4f60\u4f1a\u88ab\u544a\u77e5\uff09\u3002", "title": "\u4fee\u590d GiST \u7d22\u5f15\uff0c\u4f7f\u5176\u5b8c\u5168\u5d29\u6e83\u5b89\u5168", "commits": [], "section": "\u5de5\u5177\u64cd\u4f5c / \u7d22\u5f15", "category": "bugfix", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.7.7", "source_hash": "db6d5ff051cf4c1e68aeb32dccd93902485d01a0a3a4a446d59220e2e557ecac", "section_path": ["\u5de5\u5177\u64cd\u4f5c", "\u7d22\u5f15"], "commit_groups": [], "identity_text": "Fix GiST indexes to be fully crash-safe (Heikki Linnakangas) Previously there were rare cases where a REINDEX would be required (you would be informed).", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/075", "db_id": "c00daf4e4e060e3bbadd8835ca877017", "patch_ids": [], "statement_hash": "d3c982631f5129180d4706e171dc96fe0943975cc104de1a676543c7aa6f5b86", "relations": [], "category_label": "BUG \u4fee\u590d", "url": "/docs/compare/?release=9.1.0#9.1.0-5ef398f249e70369", "migration": false}, {"id": "9.1.0-b756ba64a652481f", "cves": [], "html": "

\u5141\u8bb8 numeric \u5728\u5e38\u89c1\u60c5\u51b5\u4e0b\u4f7f\u7528\u66f4\u7d27\u51d1\u7684\u4e24\u5b57\u8282\u5934\uff08Robert Haas\uff09

\n

\u6b64\u524d\u6240\u6709 numeric \u503c\u90fd\u4f7f\u7528\u56db\u5b57\u8282\u5934\uff1b\u6b64\u53d8\u66f4\u8282\u7701\u4e86\u78c1\u76d8\u5b58\u50a8\u3002

", "text": "\u5141\u8bb8 numeric \u5728\u5e38\u89c1\u60c5\u51b5\u4e0b\u4f7f\u7528\u66f4\u7d27\u51d1\u7684\u4e24\u5b57\u8282\u5934\uff08Robert Haas\uff09 \u6b64\u524d\u6240\u6709 numeric \u503c\u90fd\u4f7f\u7528\u56db\u5b57\u8282\u5934\uff1b\u6b64\u53d8\u66f4\u8282\u7701\u4e86\u78c1\u76d8\u5b58\u50a8\u3002", "title": "\u5141\u8bb8 numeric \u5728\u5e38\u89c1\u60c5\u51b5\u4e0b\u4f7f\u7528\u66f4\u7d27\u51d1\u7684\u4e24\u5b57\u8282\u5934", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.8", "source_hash": "cb2275a14535b64ed7df523788a19180d69c03d08a3d8afabb914febd97b60a4", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Allow numeric to use a more compact, two-byte header in common cases (Robert Haas) Previously all numeric values had four-byte headers; this change saves on disk storage.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/076", "db_id": "45c3a0a27b1fdd17ccc26297311b30ce", "patch_ids": [], "statement_hash": "4acee79c8fbf4cd1ad7214697a661a5ab485368d87286ad487d93707673925cb", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-b756ba64a652481f", "migration": false}, {"id": "9.1.0-84d81fbfdf6ab0e7", "cves": [], "html": "

\u65b0\u589e money \u9664\u4ee5 money \u7684\u652f\u6301\uff08Andy Balholm\uff09

", "text": "\u65b0\u589e money \u9664\u4ee5 money \u7684\u652f\u6301\uff08Andy Balholm\uff09", "title": "\u65b0\u589e money \u9664\u4ee5 money \u7684\u652f\u6301", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.8", "source_hash": "b7245829d5b06c3a3f759502a27ccd2ac35f82512fe429249427ce137afdef7b", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Add support for dividing money by money (Andy Balholm)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/077", "db_id": "0c2df16c01e41bcfc52df9b8334a0348", "patch_ids": [], "statement_hash": "79e92fee2138544a37715ef3824b3aece1e18366390f0c1e138d448e8f5c291c", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-84d81fbfdf6ab0e7", "migration": false}, {"id": "9.1.0-fee3eae4794130b6", "cves": [], "html": "

\u5141\u8bb8 void \u7c7b\u578b\u7684\u4e8c\u8fdb\u5236 I/O\uff08Radoslaw Smogura\uff09

", "text": "\u5141\u8bb8 void \u7c7b\u578b\u7684\u4e8c\u8fdb\u5236 I/O\uff08Radoslaw Smogura\uff09", "title": "\u5141\u8bb8 void \u7c7b\u578b\u7684\u4e8c\u8fdb\u5236 I/O", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.8", "source_hash": "d423027f8dda6626c305fc9e05efd80427f4d1c1adcf71e3a167cc05cb8529bf", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Allow binary I/O on type void (Radoslaw Smogura)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/078", "db_id": "e143df5ba66149db0804bf4e9a7a5afd", "patch_ids": [], "statement_hash": "6819afcf9d83ec0275ca5ae78f8981696b3485287ff964d335e8b6f4ebf690b6", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-fee3eae4794130b6", "migration": false}, {"id": "9.1.0-9230cb2dc0298e8d", "cves": [], "html": "

\u6539\u8fdb\u51e0\u4f55\u64cd\u4f5c\u7b26\u7684\u659c\u8fb9\u8ba1\u7b97\uff08Paul Matthews\uff09

\n

\u8fd9\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u6ea2\u51fa\uff0c\u800c\u4e14\u53ef\u80fd\u66f4\u7cbe\u786e\u3002

", "text": "\u6539\u8fdb\u51e0\u4f55\u64cd\u4f5c\u7b26\u7684\u659c\u8fb9\u8ba1\u7b97\uff08Paul Matthews\uff09 \u8fd9\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u6ea2\u51fa\uff0c\u800c\u4e14\u53ef\u80fd\u66f4\u7cbe\u786e\u3002", "title": "\u6539\u8fdb\u51e0\u4f55\u64cd\u4f5c\u7b26\u7684\u659c\u8fb9\u8ba1\u7b97", "commits": [], "section": "\u6570\u636e\u7c7b\u578b", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.8", "source_hash": "cdbd7f542b1d08985c0e59a61e355ba9c62fbe3b83469b80706fae4b693e33aa", "section_path": ["\u6570\u636e\u7c7b\u578b"], "commit_groups": [], "identity_text": "Improve hypotenuse calculations for geometric operators (Paul Matthews) This avoids unnecessary overflows, and may also be more accurate.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/079", "db_id": "3447c60514d93131662f342ad30f3ef5", "patch_ids": [], "statement_hash": "e6c5d50f9c26bfd2dcb878fa94e16be84bd91be2230880a346d45a4eb0686ac8", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-9230cb2dc0298e8d", "migration": false}, {"id": "9.1.0-d87d94f708b4db99", "cves": [], "html": "

\u652f\u6301\u5bf9\u6570\u7ec4\u503c\u505a\u54c8\u5e0c\uff08Tom Lane\uff09

\n

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\u65b0\u589e\u51fd\u6570 pg_read_file() \u7684\u5355\u53c2\u6570\u7248\u672c\uff0c\u7528\u4e8e\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\uff08Dimitri Fontaine\u3001Itagaki Takahiro\uff09

", "text": "\u65b0\u589e\u51fd\u6570 pg_read_file() \u7684\u5355\u53c2\u6570\u7248\u672c\uff0c\u7528\u4e8e\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\uff08Dimitri Fontaine\u3001Itagaki Takahiro\uff09", "title": "\u65b0\u589e\u51fd\u6570 pg_read_file() \u7684\u5355\u53c2\u6570\u7248\u672c\uff0c\u7528\u4e8e\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6", "commits": [], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.9", "source_hash": "0b0aed0c9d395080d3fabe68a7b19df820c23f261598622967795be9d88b2694", "section_path": ["\u51fd\u6570"], "commit_groups": [], "identity_text": "Add a single-parameter version of function pg_read_file() to read an entire file (Dimitri Fontaine, Itagaki Takahiro)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/090", "db_id": "f7d90f5108b38d52cc92e37b4bdf2660", "patch_ids": [], "statement_hash": "5c7dda494f268fb88591b8d8000070194b071492e4225b47bb5ba7847ce90ea2", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-73523eccbf0043eb", "migration": false}, {"id": "9.1.0-220d7c517efe33ac", "cves": [], "html": "

\u65b0\u589e array_to_string() \u548c string_to_array() \u7684\u4e09\u53c2\u6570\u5f62\u5f0f\uff0c\u7528\u4e8e\u63a7\u5236\u7a7a\u503c\u5904\u7406\uff08Pavel Stehule\uff09

", "text": "\u65b0\u589e array_to_string() \u548c string_to_array() \u7684\u4e09\u53c2\u6570\u5f62\u5f0f\uff0c\u7528\u4e8e\u63a7\u5236\u7a7a\u503c\u5904\u7406\uff08Pavel Stehule\uff09", "title": "\u65b0\u589e array_to_string() \u548c string_to_array() \u7684\u4e09\u53c2\u6570\u5f62\u5f0f\uff0c\u7528\u4e8e\u63a7\u5236\u7a7a\u503c\u5904\u7406", "commits": [], "section": "\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.9", "source_hash": "d223639b7f595abbe2c376ba672c9bdcdec817f08d7fff7e0a991499a67366b2", "section_path": ["\u51fd\u6570"], "commit_groups": [], "identity_text": "Add three-parameter forms of array_to_string() and string_to_array() for null value processing control (Pavel Stehule)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/091", "db_id": "a4debb40f1001a28cc3ec851e7e01333", "patch_ids": [], "statement_hash": "3ecfebb6f6f230a6628e0a6df5949ca600d75b713b6c96e76e4d4b1016a1bec2", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-220d7c517efe33ac", "migration": false}, {"id": "9.1.0-fe76f66b07be1f82", "cves": [], "html": "

\u65b0\u589e\u51fd\u6570 pg_describe_object()\uff08Alvaro Herrera\uff09

\n

\u8be5\u51fd\u6570\u7528\u4e8e\u6839\u636e pg_class OID\u3001\u5bf9\u8c61 OID \u548c\u5b50\u5bf9\u8c61 ID \u83b7\u53d6\u63cf\u8ff0\u5bf9\u8c61\u7684\u4eba\u7c7b\u53ef\u8bfb\u5b57\u7b26\u4e32\u3002\u5b83\u53ef\u7528\u4e8e\u5e2e\u52a9\u89e3\u91ca pg_depend \u7684\u5185\u5bb9\u3002

", "text": "\u65b0\u589e\u51fd\u6570 pg_describe_object()\uff08Alvaro Herrera\uff09 \u8be5\u51fd\u6570\u7528\u4e8e\u6839\u636e pg_class OID\u3001\u5bf9\u8c61 OID \u548c\u5b50\u5bf9\u8c61 ID \u83b7\u53d6\u63cf\u8ff0\u5bf9\u8c61\u7684\u4eba\u7c7b\u53ef\u8bfb\u5b57\u7b26\u4e32\u3002\u5b83\u53ef\u7528\u4e8e\u5e2e\u52a9\u89e3\u91ca pg_depend \u7684\u5185\u5bb9\u3002", "title": "\u65b0\u589e\u51fd\u6570 pg_describe_object()", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.9.3", "source_hash": "96a2c39e4724af13d2b2c18237635bc012585aff0964cfc6440fa576f6fce39f", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Add the pg_describe_object() function (Alvaro Herrera) This function is used to obtain a human-readable string describing an object, based on the pg_class OID, object OID, and sub-object ID. It can be used to help interpret the contents of pg_depend.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/092", "db_id": "6154f90bba8b3f9b7fb50dfdcde04a20", "patch_ids": [], "statement_hash": "b16de5cdd0d68d611971430f7196cd133d89a3c9d46729c013710f4ced7ae8d1", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-fe76f66b07be1f82", "migration": false}, {"id": "9.1.0-0dde867517272938", "cves": [], "html": "

\u66f4\u65b0\u5185\u5efa\u64cd\u4f5c\u7b26\u53ca\u5176\u5e95\u5c42\u51fd\u6570\u7684\u6ce8\u91ca\uff08Tom Lane\uff09

\n

\u65e8\u5728\u901a\u8fc7\u5173\u8054\u64cd\u4f5c\u7b26\u4f7f\u7528\u7684\u51fd\u6570\u73b0\u5728\u88ab\u8fd9\u6837\u6ce8\u91ca\u3002

", "text": "\u66f4\u65b0\u5185\u5efa\u64cd\u4f5c\u7b26\u53ca\u5176\u5e95\u5c42\u51fd\u6570\u7684\u6ce8\u91ca\uff08Tom Lane\uff09 \u65e8\u5728\u901a\u8fc7\u5173\u8054\u64cd\u4f5c\u7b26\u4f7f\u7528\u7684\u51fd\u6570\u73b0\u5728\u88ab\u8fd9\u6837\u6ce8\u91ca\u3002", "title": "\u66f4\u65b0\u5185\u5efa\u64cd\u4f5c\u7b26\u53ca\u5176\u5e95\u5c42\u51fd\u6570\u7684\u6ce8\u91ca", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.9.3", "source_hash": "054dc259cd11180ba368d34f0e187deb0006c0b3cb65559787b0826717f7779a", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Update comments for built-in operators and their underlying functions (Tom Lane) Functions that are meant to be used via an associated operator are now commented as such.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/093", "db_id": "c0e0b068b084b6da2536312e86030bd3", "patch_ids": [], "statement_hash": "3758706cb9bf45ef7142d1704a1cc6e07790c7aeb0c5ec92fb86b0356101bbaf", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-0dde867517272938", "migration": false}, {"id": "9.1.0-62102d33c2b1d134", "cves": [], "html": "

\u65b0\u589e\u53d8\u91cf quote_all_identifiers\uff0c\u5f3a\u5236\u4e3a EXPLAIN \u4ee5\u53ca pg_get_viewdef() \u7b49\u7cfb\u7edf\u76ee\u5f55\u51fd\u6570\u4e2d\u7684\u6240\u6709\u6807\u8bc6\u7b26\u52a0\u5f15\u53f7\uff08Robert Haas\uff09

\n

\u8fd9\u4f7f\u5f97\u628a\u6a21\u5f0f\u5bfc\u51fa\u5230\u5177\u6709\u4e0d\u540c\u5f15\u53f7\u89c4\u5219\u7684\u5de5\u5177\u548c\u5176\u4ed6\u6570\u636e\u5e93\u66f4\u52a0\u5bb9\u6613\u3002

", "text": "\u65b0\u589e\u53d8\u91cf quote_all_identifiers\uff0c\u5f3a\u5236\u4e3a EXPLAIN \u4ee5\u53ca pg_get_viewdef() \u7b49\u7cfb\u7edf\u76ee\u5f55\u51fd\u6570\u4e2d\u7684\u6240\u6709\u6807\u8bc6\u7b26\u52a0\u5f15\u53f7\uff08Robert Haas\uff09 \u8fd9\u4f7f\u5f97\u628a\u6a21\u5f0f\u5bfc\u51fa\u5230\u5177\u6709\u4e0d\u540c\u5f15\u53f7\u89c4\u5219\u7684\u5de5\u5177\u548c\u5176\u4ed6\u6570\u636e\u5e93\u66f4\u52a0\u5bb9\u6613\u3002", "title": "\u65b0\u589e\u53d8\u91cf quote_all_identifiers\uff0c\u5f3a\u5236\u4e3a EXPLAIN \u4ee5\u53ca pg_get_viewdef() \u7b49\u7cfb\u7edf\u76ee\u5f55\u51fd\u6570\u4e2d\u7684\u6240\u6709\u6807\u8bc6\u7b26\u52a0\u5f15\u53f7", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.9.3", "source_hash": "983a4ea09bfa8027758ed9cedc92800cf7184cdc81613e36349c045fc658882d", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Add variable quote_all_identifiers to force the quoting of all identifiers in EXPLAIN and in system catalog functions like pg_get_viewdef() (Robert Haas) This makes exporting schemas to tools and other databases with different quoting rules easier.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/094", "db_id": "c7d5d42c841e0ae8a59b0dc6ab030d0f", "patch_ids": [], "statement_hash": "9e962c1fe569799073b2fe0b7da5abc4d77dae4d6b04fe5ba2187af222551a74", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-62102d33c2b1d134", "migration": false}, {"id": "9.1.0-f5ba28d6e0ba68ef", "cves": [], "html": "

\u4e3a information_schema.sequences \u7cfb\u7edf\u89c6\u56fe\u65b0\u589e\u5217\uff08Peter Eisentraut\uff09

\n

\u6b64\u524d\u867d\u7136\u89c6\u56fe\u5b58\u5728\uff0c\u4f46\u5173\u4e8e\u5e8f\u5217\u53c2\u6570\u7684\u5217\u672a\u5b9e\u73b0\u3002

", "text": "\u4e3a information_schema.sequences \u7cfb\u7edf\u89c6\u56fe\u65b0\u589e\u5217\uff08Peter Eisentraut\uff09 \u6b64\u524d\u867d\u7136\u89c6\u56fe\u5b58\u5728\uff0c\u4f46\u5173\u4e8e\u5e8f\u5217\u53c2\u6570\u7684\u5217\u672a\u5b9e\u73b0\u3002", "title": "\u4e3a information_schema.sequences \u7cfb\u7edf\u89c6\u56fe\u65b0\u589e\u5217", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.9.3", "source_hash": "040d550616eac1837ae506a4fd98245cf99d3137835d1ca59de7d400e3fa5357", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Add columns to the information_schema.sequences system view (Peter Eisentraut) Previously, though the view existed, the columns about the sequence parameters were unimplemented.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/095", "db_id": "698f126bea4ae8b0bc1eab99727cae2e", "patch_ids": [], "statement_hash": "3e47cbab0c90dd2ac2de0c5c6ec595dcb137f9de0886d7f5734367aabbe6ecc9", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-f5ba28d6e0ba68ef", "migration": false}, {"id": "9.1.0-7637695bd70d97b6", "cves": [], "html": "

\u5141\u8bb8\u5728 has_table_privilege() \u53ca\u76f8\u5173\u51fd\u6570\u4e2d\u4f7f\u7528 public \u4f5c\u4e3a\u4f2a\u89d2\u8272\u540d\uff08Alvaro Herrera\uff09

\n

\u8fd9\u5141\u8bb8\u68c0\u67e5\u516c\u5171\u6743\u9650\u3002

", "text": "\u5141\u8bb8\u5728 has_table_privilege() \u53ca\u76f8\u5173\u51fd\u6570\u4e2d\u4f7f\u7528 public \u4f5c\u4e3a\u4f2a\u89d2\u8272\u540d\uff08Alvaro Herrera\uff09 \u8fd9\u5141\u8bb8\u68c0\u67e5\u516c\u5171\u6743\u9650\u3002", "title": "\u5141\u8bb8\u5728 has_table_privilege() \u53ca\u76f8\u5173\u51fd\u6570\u4e2d\u4f7f\u7528 public \u4f5c\u4e3a\u4f2a\u89d2\u8272\u540d", "commits": [], "section": "\u51fd\u6570 / \u5bf9\u8c61\u4fe1\u606f\u51fd\u6570", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.9.3", "source_hash": "0dc410aa27e86074d23ae6de6c7eb711743a8be17ae35015daea4c227160c4a3", "section_path": ["\u51fd\u6570", "\u5bf9\u8c61\u4fe1\u606f\u51fd\u6570"], "commit_groups": [], "identity_text": "Allow public as a pseudo-role name in has_table_privilege() and related functions (Alvaro Herrera) This allows checking for public permissions.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/096", "db_id": "7cc1531ba3756e724e570eba814a6965", "patch_ids": [], "statement_hash": "a6a8aa5e796de1df74bdb54e7e227942848ce21c43ccea774bf0d623cb39a77f", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-7637695bd70d97b6", "migration": false}, {"id": "9.1.0-f29f05ea39259642", "cves": [], "html": "

\u652f\u6301\u89c6\u56fe\u4e0a\u7684 INSTEAD OF \u89e6\u53d1\u5668\uff08Dean Rasheed\uff09

\n

\u6b64\u7279\u6027\u53ef\u7528\u4e8e\u5b9e\u73b0\u5b8c\u5168\u53ef\u66f4\u65b0\u7684\u89c6\u56fe\u3002

", "text": "\u652f\u6301\u89c6\u56fe\u4e0a\u7684 INSTEAD OF \u89e6\u53d1\u5668\uff08Dean Rasheed\uff09 \u6b64\u7279\u6027\u53ef\u7528\u4e8e\u5b9e\u73b0\u5b8c\u5168\u53ef\u66f4\u65b0\u7684\u89c6\u56fe\u3002", "title": "\u652f\u6301\u89c6\u56fe\u4e0a\u7684 INSTEAD OF \u89e6\u53d1\u5668", "commits": [], "section": "\u51fd\u6570 / \u51fd\u6570\u548c\u89e6\u53d1\u5668\u521b\u5efa", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.9.4", "source_hash": "19335af76d00caee04bba7b3586cd94fb7c2f9b2c3ffc57e016614d002e3c89e", "section_path": ["\u51fd\u6570", "\u51fd\u6570\u548c\u89e6\u53d1\u5668\u521b\u5efa"], "commit_groups": [], "identity_text": "Support INSTEAD OF triggers on views (Dean Rasheed) This feature can be used to implement fully updatable views.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/097", "db_id": "d552d2b953cb9c3c26d495c86069571d", "patch_ids": [], "statement_hash": "18851bda8fefd1006e5eaac95044adbf025e01df528dde82682ae847f6fe2dad", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-f29f05ea39259642", "migration": false}, {"id": "9.1.0-173f32519f1ba1f9", "cves": [], "html": "

\u4e3a PL/pgSQL \u65b0\u589e FOREACH IN ARRAY\uff08Pavel Stehule\uff09

\n

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", "text": "\u4e3a PL/pgSQL \u65b0\u589e FOREACH IN ARRAY\uff08Pavel Stehule\uff09 \u8fd9\u6bd4\u6b64\u524d\u904d\u5386\u6570\u7ec4\u503c\u5143\u7d20\u7684\u65b9\u6cd5\u66f4\u9ad8\u6548\u4e5f\u66f4\u6613\u8bfb\u3002", "title": "\u4e3a PL/pgSQL \u65b0\u589e FOREACH IN ARRAY", "commits": [], "section": "\u670d\u52a1\u5668\u7aef\u8bed\u8a00 / PL/pgSQL Server-Side Language", "category": "feature", "source_url": "/docs/release/9.1.0/#id-1.11.6.29.5.10.2", "source_hash": "f5a9ae918a5257030e8a3e3e407c7d804f7465c4cebc2a175e9098019500be64", "section_path": ["\u670d\u52a1\u5668\u7aef\u8bed\u8a00", "PL/pgSQL Server-Side Language"], "commit_groups": [], "identity_text": "Add FOREACH IN ARRAY to PL/pgSQL (Pavel Stehule) This is more efficient and readable than previous methods of iterating through the elements of an array value.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.1.0/changes/098", "db_id": "b8e61cc1057fd3248b3982c36b94e724", "patch_ids": [], "statement_hash": "c2bd472b3daa72ad0bce592d37f9de237989ccb11568c687cb597443e2b61d2a", "relations": [], "category_label": "\u65b0\u529f\u80fd", "url": "/docs/compare/?release=9.1.0#9.1.0-173f32519f1ba1f9", "migration": false}, {"id": "9.1.0-8ac8bf030c600943", "cves": [], "html": "

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\n

PostgreSQL \u6b64\u524d\u5df2\u5141\u8bb8\u670d\u52a1\u5668\u5728\u901a\u8fc7 Unix \u57df\u5957\u63a5\u5b57\u8fde\u63a5\u65f6\u68c0\u67e5\u5ba2\u6237\u7aef\u7528\u6237\u540d\u3002

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\n

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\u6539\u8fdb\u7684\u5e76\u884c make \u652f\u6301\uff08Peter Eisentraut\uff09

\n

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\u7531\u4e8e\u5e76\u884c make \u7684\u6539\u8fdb\uff0c\u8fd9\u662f\u5fc5\u8981\u7684\u3002

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\u65b0\u589e make maintainer-check \u76ee\u6807\uff08Peter Eisentraut\uff09

\n

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\n

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\n

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\n

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\u65b0\u589e contrib \u6a21\u5757 auth_delay\uff08KaiGai Kohei\uff09

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\u65b0\u589e dummy_seclabel contrib \u6a21\u5757\uff08KaiGai Kohei\uff09

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\u4e3a contrib/pg_trgm \u65b0\u589e LIKE \u548c ILIKE \u7d22\u5f15\u641c\u7d22\u652f\u6301\uff08Alexander Korotkov\uff09

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