{"kind": "metric", "major": "18", "item": {"slug": "pg_statio_sys_tables-toast_blks_hit", "name": "pg_statio_sys_tables.toast_blks_hit", "name_zh": "", "category": "pg_statio_sys_tables", "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "aliases": ["toast_blks_hit", "pg_statio_sys_tables"], "content_hash": "aae5faa7758c73d744b245cfbc2c9982cc5ce7b5fa3bc0342bec99deb53494d2", "versions": {"10": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=10", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/10/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "stable", "revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sources": [{"url": "/docs/10/monitoring-stats.html#id-1.6.15.7.6.7.2.2.15.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 10 English manual", "sha256": "8b88457ddc21d8cbc59bc88fb9e07a79090419ef77c3d7f05b03e0f66a2bac3f"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/10/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "cf884834ed32c9ed9446bea488204432defca82b5fccd3075349b7b866653094", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5"}, "body_sha256": "7eb749ed43849a3ece1afd51b4effdcf73eaaff16a957eccbb737609ff4dfa6c", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "10", "text_hash": "018d21f0d270786e0643f86c947f0b39198772da6e1ace387e2ac26c319b66a1", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/10/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "cf884834ed32c9ed9446bea488204432defca82b5fccd3075349b7b866653094", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5"}, "body_sha256": "7eb749ed43849a3ece1afd51b4effdcf73eaaff16a957eccbb737609ff4dfa6c", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/10/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "10", "link_map": {"/zh/docs/10/monitoring-stats.html": "/docs/10/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/10/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "238a04209465e1b46219fee7e445d451a9ee9497eb6f4a9d12d10e99be8f8460", "content_hash": "018d21f0d270786e0643f86c947f0b39198772da6e1ace387e2ac26c319b66a1", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/10/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables 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["#MONITORING-STATS/div[6]/div[55]/div[1]/table[0]/tbody[2]/tr[8]/td[2]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/10/facts/0/label": "View", "/versions/10/facts/1/label": "Field", "/versions/10/facts/2/label": "SQL type", "/versions/10/facts/3/label": "Units named in the field definition", "/versions/10/facts/3/value": "Not specified", "/versions/10/facts/4/label": "Reset observation", "/versions/10/facts/4/value": "No stats_reset field is documented for this view", "/versions/10/related/0/label": "pg_statio_sys_tables columns", "/versions/10/related/1/label": "Statistics collection and reset functions", "/versions/10/sections/0/title": "View semantics", "/versions/10/sections/1/title": "Collection and reset context", "/versions/10/sections/2/title": "Inspect this field", "/versions/10/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/10/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/10/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "3a7b7b74c04fafc1517c748ca32f8a6ef4f806a0647f9068e0eb778114d914e2", "canonical_center_text_hash": "018d21f0d270786e0643f86c947f0b39198772da6e1ace387e2ac26c319b66a1"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/10/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "11": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=11", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/11/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "stable", "revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sources": [{"url": "/docs/11/monitoring-stats.html#id-1.6.15.7.6.7.2.2.15.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 11 English manual", "sha256": "8b7b421aabe5ecaae695cb42a270d7192bfe2bfbd1ac2aa756087c177f734600"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/11/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2bd0ab0ada5d4a95c80dd511d5018532613c2753b6c2debc208355ba0cf80625", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1"}, "body_sha256": "a12a6305cb1f72a8e7fd85829cee3a0821ee2b5fcfca6f0c3b85fc9e9259729b", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "11", "text_hash": "06a024838ce325f06ab896b0ac1af314c0a8613077a663ed95e29ddbb1a3dc48", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/11/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2bd0ab0ada5d4a95c80dd511d5018532613c2753b6c2debc208355ba0cf80625", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1"}, "body_sha256": "a12a6305cb1f72a8e7fd85829cee3a0821ee2b5fcfca6f0c3b85fc9e9259729b", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/11/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "11", "link_map": {"/zh/docs/11/monitoring-stats.html": "/docs/11/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/11/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "4042fb612dca3a67d943a8f728d94d4fc8413fca566d6a65cf4b115538dc8e31", "content_hash": "06a024838ce325f06ab896b0ac1af314c0a8613077a663ed95e29ddbb1a3dc48", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/11/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/11/monitoring-stats.html", "method": "same-major semantic node", "sha256": "0f94440120a340dbcbbfec4d9fd6ea8ad93b9671f759fe80a4f373ba248c864e", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[6]/div[55]/div[1]/table[0]/tbody[2]/tr[8]/td[2]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/11/facts/0/label": "View", "/versions/11/facts/1/label": "Field", "/versions/11/facts/2/label": "SQL type", "/versions/11/facts/3/label": "Units named in the field definition", "/versions/11/facts/3/value": "Not specified", "/versions/11/facts/4/label": "Reset observation", "/versions/11/facts/4/value": "No stats_reset field is documented for this view", "/versions/11/related/0/label": "pg_statio_sys_tables columns", "/versions/11/related/1/label": "Statistics collection and reset functions", "/versions/11/sections/0/title": "View semantics", "/versions/11/sections/1/title": "Collection and reset context", "/versions/11/sections/2/title": "Inspect this field", "/versions/11/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/11/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/11/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "886349aa8965a3c9c72655a79dc3a6832ef63ce66f1f7f526354682c5ea46c60", "canonical_center_text_hash": "06a024838ce325f06ab896b0ac1af314c0a8613077a663ed95e29ddbb1a3dc48"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/11/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "12": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=12", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/12/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "stable", "revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "/docs/12/monitoring-stats.html#id-1.6.14.7.6.8.2.2.15.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 12 English manual", "sha256": "3a764eaa784efc0eed1081cdfc2bf313c91bd17122d66dd16055d8b640320699"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/12/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": 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[{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "12", "text_hash": "9d7367b10c38eef08ea5c77fd9e30917f302c4289091c012674f0de8812fef4e", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/12/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "1807d9852353a1af2b64d546fb3be93143b4831734c8d432737488e3037ac9f1", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49"}, "body_sha256": "11f3b6fd39cf4cae7e9780fba3a81061f6ee277f94a73e4b5ea6535801f62394", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/12/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "12", "link_map": {"/zh/docs/12/monitoring-stats.html": "/docs/12/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/12/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "b9423139b8336d2a188e9baaa28d2f107f6680f814903c14da0327ad9980be67", "content_hash": "9d7367b10c38eef08ea5c77fd9e30917f302c4289091c012674f0de8812fef4e", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/12/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/12/monitoring-stats.html", "method": "same-major semantic node", "sha256": "d9fccd3a149dcb1b042346f59f216885cbd5a1cef552dae403a74da45af66cd0", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[6]/div[59]/div[1]/table[0]/tbody[2]/tr[8]/td[2]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/12/facts/0/label": "View", "/versions/12/facts/1/label": "Field", "/versions/12/facts/2/label": "SQL type", "/versions/12/facts/3/label": "Units named in the field definition", "/versions/12/facts/3/value": "Not specified", "/versions/12/facts/4/label": "Reset observation", "/versions/12/facts/4/value": "No stats_reset field is documented for this view", "/versions/12/related/0/label": "pg_statio_sys_tables columns", "/versions/12/related/1/label": "Statistics collection and reset functions", "/versions/12/sections/0/title": "View semantics", "/versions/12/sections/1/title": "Collection and reset context", "/versions/12/sections/2/title": "Inspect this field", "/versions/12/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/12/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/12/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "547e6292884371d52545b7c43282ced37dd87d1d460ce436a4e2334e4d9d9f43", "canonical_center_text_hash": "9d7367b10c38eef08ea5c77fd9e30917f302c4289091c012674f0de8812fef4e"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/12/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "13": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=13", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/13/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "stable", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "/docs/13/monitoring-stats.html#id-1.6.14.7.6.8.2.2.15.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 13 English manual", "sha256": "a8ec0d199d592259f260a41ccb2821e582cd6dae1014a784e1e86203740afcb0"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/13/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "57373e7034db8002ff131250ff4fe83a8251455fad5580597598b0863a245ece", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4"}, "body_sha256": "619e39b8e280f7f01044b2f2e9731b654ff60b150c37f734d54f8f6c49f58e94", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "13", "text_hash": "a19f0db2ac45b112e1932472cdba4cba7e0cd38a20179219fdb7f3260c3e90bc", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/13/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "57373e7034db8002ff131250ff4fe83a8251455fad5580597598b0863a245ece", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4"}, "body_sha256": "619e39b8e280f7f01044b2f2e9731b654ff60b150c37f734d54f8f6c49f58e94", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/13/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "13", "link_map": {"/zh/docs/13/monitoring-stats.html": "/docs/13/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/13/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "50b34206b2bb4627e6f75303b15203202a2a9c61f6a39bb539d262aef041d173", "content_hash": "a19f0db2ac45b112e1932472cdba4cba7e0cd38a20179219fdb7f3260c3e90bc", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/13/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/13/monitoring-stats.html", "method": "same-major semantic node", "sha256": "1afff4ad1a4bc0c7e04a62d13adebcc1d39c30aca969618fab0cca8d0a115a96", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[19]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/13/facts/0/label": "View", "/versions/13/facts/1/label": "Field", "/versions/13/facts/2/label": "SQL type", "/versions/13/facts/3/label": "Units named in the field definition", "/versions/13/facts/3/value": "Not specified", "/versions/13/facts/4/label": "Reset observation", "/versions/13/facts/4/value": "No stats_reset field is documented for this view", "/versions/13/related/0/label": "pg_statio_sys_tables columns", "/versions/13/related/1/label": "Statistics collection and reset functions", "/versions/13/sections/0/title": "View semantics", "/versions/13/sections/1/title": "Collection and reset context", "/versions/13/sections/2/title": "Inspect this field", "/versions/13/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/13/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/13/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "493eaf8e5184562436c38e0424de029bf2c950779d717493960fab0457876e2d", "canonical_center_text_hash": "a19f0db2ac45b112e1932472cdba4cba7e0cd38a20179219fdb7f3260c3e90bc"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/13/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "14": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=14", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/14/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "/docs/14/monitoring-stats.html#id-1.6.15.7.6.8.2.2.16.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 14 English manual", "sha256": "1852c6205d68e465d08dd8f75e3b6bfdd4a475ee8d79886e2dcff6bff8e2d243"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/14/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "5d0b3feda6ee0197d76fdc68b8b0b9837def8844a3463bc79c380c92ca629dbb", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "79f1049151f108523c4a06b32049966c51424cad66cb00254c1ac46ac163fb38", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "14", "text_hash": "ae69510261e3db31ef6caf6b55b0e81acc3ca269f15b6ad7a357f5f393419bf7", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/14/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "5d0b3feda6ee0197d76fdc68b8b0b9837def8844a3463bc79c380c92ca629dbb", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "79f1049151f108523c4a06b32049966c51424cad66cb00254c1ac46ac163fb38", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/14/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "14", "link_map": {"/zh/docs/14/monitoring-stats.html": "/docs/14/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/14/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "dddd36dbb538c77f2d056b0ddcd2f4fc3b181bb49b48cb8e5409142c7f4ac362", "content_hash": "ae69510261e3db31ef6caf6b55b0e81acc3ca269f15b6ad7a357f5f393419bf7", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/14/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/14/monitoring-stats.html", "method": "same-major semantic node", "sha256": "a622383556aa74bc5f0e402d9cb6c1e6ce1d111286c0f4e45f55b81e34d57922", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[21]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/14/facts/0/label": "View", "/versions/14/facts/1/label": "Field", "/versions/14/facts/2/label": "SQL type", "/versions/14/facts/3/label": "Units named in the field definition", "/versions/14/facts/3/value": "Not specified", "/versions/14/facts/4/label": "Reset observation", "/versions/14/facts/4/value": "No stats_reset field is documented for this view", "/versions/14/related/0/label": "pg_statio_sys_tables columns", "/versions/14/related/1/label": "Statistics collection and reset functions", "/versions/14/sections/0/title": "View semantics", "/versions/14/sections/1/title": "Collection and reset context", "/versions/14/sections/2/title": "Inspect this field", "/versions/14/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/14/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/14/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "cf819382be0a33fb1546d395383e294e218a3e0c7f3f37a58b865baadafa71ac", "canonical_center_text_hash": "ae69510261e3db31ef6caf6b55b0e81acc3ca269f15b6ad7a357f5f393419bf7"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/14/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "15": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=15", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/15/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": "/docs/15/monitoring-stats.html#id-1.6.15.7.6.8.2.2.16.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 15 English manual", "sha256": "034c0a2e99e6707e637bf4d6cfd819d39eddc1b4b7c1ec2a00f0b4f0fdb0a078"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/15/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "a1f491ce4744d3b72b0eced7fad7c91762a4a8ba5ce0d61094b0616668450592", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad"}, "body_sha256": "b082ba61ded5f8a0d55fb667ad99da57895eb8d5b8a68fe1471d2d2d2a1a24b8", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "15", "text_hash": "56025bdc88829e71057b4d161b642d26daa81337f6b8c8f1416bdb2679426177", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/15/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "a1f491ce4744d3b72b0eced7fad7c91762a4a8ba5ce0d61094b0616668450592", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad"}, "body_sha256": "b082ba61ded5f8a0d55fb667ad99da57895eb8d5b8a68fe1471d2d2d2a1a24b8", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/15/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "15", "link_map": {"/zh/docs/15/monitoring-stats.html": "/docs/15/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/15/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "15ff14ebf5d5be89360a73358ba88846ef76d8c392f53ac2d8c017d2367463b1", "content_hash": "56025bdc88829e71057b4d161b642d26daa81337f6b8c8f1416bdb2679426177", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/15/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/15/monitoring-stats.html", "method": "same-major semantic node", "sha256": "373028581d43d13a3f098f997d5912fca6c8c1bf42a129d9336834c119bcaf6b", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[23]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/15/facts/0/label": "View", "/versions/15/facts/1/label": "Field", "/versions/15/facts/2/label": "SQL type", "/versions/15/facts/3/label": "Units named in the field definition", "/versions/15/facts/3/value": "Not specified", "/versions/15/facts/4/label": "Reset observation", "/versions/15/facts/4/value": "No stats_reset field is documented for this view", "/versions/15/related/0/label": "pg_statio_sys_tables columns", "/versions/15/related/1/label": "Statistics collection and reset functions", "/versions/15/sections/0/title": "View semantics", "/versions/15/sections/1/title": "Collection and reset context", "/versions/15/sections/2/title": "Inspect this field", "/versions/15/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/15/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/15/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "2a7f7f8bbc091a70d9a9a0d954619625398542705e4ee35eb5eb63c5017784de", "canonical_center_text_hash": "56025bdc88829e71057b4d161b642d26daa81337f6b8c8f1416bdb2679426177"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/15/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "16": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=16", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/16/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "/docs/16/monitoring-stats.html#id-1.6.15.7.6.8.2.2.22.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 16 English manual", "sha256": "a4c274defe8a41ff2895040cd542b5499063b844669ff3336de1a1317c3fe086"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/16/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "bc7073c776c27e13a8c84203c68f4913e8ee7601c38364f2b4e397c4851c8e08", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b"}, "body_sha256": "24799485b85df013e20888141884f5f7339f5465c92cd64aa4a3c8c64d5e5a7a", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "16", "text_hash": "69f7f8f508f013ee131e46d353fd63856203ee20ee81e7d8625f6d1d33de2e8b", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/16/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "bc7073c776c27e13a8c84203c68f4913e8ee7601c38364f2b4e397c4851c8e08", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b"}, "body_sha256": "24799485b85df013e20888141884f5f7339f5465c92cd64aa4a3c8c64d5e5a7a", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/16/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "16", "link_map": {"/zh/docs/16/monitoring-stats.html": "/docs/16/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/16/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "a1afd7ab1defd2690e90fd3cabde73ca993efb52d826f1949b8ce153da9d7e4a", "content_hash": "69f7f8f508f013ee131e46d353fd63856203ee20ee81e7d8625f6d1d33de2e8b", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/16/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/16/monitoring-stats.html", "method": "same-major semantic node", "sha256": "602e708943074767e7aad252e93938422e388dae22bd99fc583e93f7689395ba", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[24]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/16/facts/0/label": "View", "/versions/16/facts/1/label": "Field", "/versions/16/facts/2/label": "SQL type", "/versions/16/facts/3/label": "Units named in the field definition", "/versions/16/facts/3/value": "Not specified", "/versions/16/facts/4/label": "Reset observation", "/versions/16/facts/4/value": "No stats_reset field is documented for this view", "/versions/16/related/0/label": "pg_statio_sys_tables columns", "/versions/16/related/1/label": "Statistics collection and reset functions", "/versions/16/sections/0/title": "View semantics", "/versions/16/sections/1/title": "Collection and reset context", "/versions/16/sections/2/title": "Inspect this field", "/versions/16/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/16/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/16/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "d5132a0dc16362a96fa97cb1ee472a084f008bc9d9fb79ca527b51528062e2c3", "canonical_center_text_hash": "69f7f8f508f013ee131e46d353fd63856203ee20ee81e7d8625f6d1d33de2e8b"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/16/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "17": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=17", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/17/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": "/docs/17/monitoring-stats.html#id-1.6.14.7.6.8.2.2.23.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 17 English manual", "sha256": "007af6e8ab39b925963273ec3ba7f06f8ee6fbfaad821f07a1dc78383dbb9b99"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/17/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "ad63a74417862b28cba663bd779186633505e5da37845bce5f2e4bf62ee55c2b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd"}, "body_sha256": "c73ef6cd24879da2b3729377c9db068d054c63dcd363e845a66d33f8c200b23d", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "17", "text_hash": "fb45f42b303bcdbb151fb05a816ca0050edefdef3e0c56a2dd53288ffd93577a", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/17/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "ad63a74417862b28cba663bd779186633505e5da37845bce5f2e4bf62ee55c2b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd"}, "body_sha256": "c73ef6cd24879da2b3729377c9db068d054c63dcd363e845a66d33f8c200b23d", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/17/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "17", "link_map": {"/zh/docs/17/monitoring-stats.html": "/docs/17/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/17/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "e9fe8d3c2c45707a8c037ed72ef7f9a032dae7397df28995ffddd6193f4ce048", "content_hash": "fb45f42b303bcdbb151fb05a816ca0050edefdef3e0c56a2dd53288ffd93577a", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/17/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/17/monitoring-stats.html", "method": "same-major semantic node", "sha256": "5cd346cc373a5a006b07664d9969d4c630c8ea55dea33b8f3211f061ce43e54f", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[25]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/17/facts/0/label": "View", "/versions/17/facts/1/label": "Field", "/versions/17/facts/2/label": "SQL type", "/versions/17/facts/3/label": "Units named in the field definition", "/versions/17/facts/3/value": "Not specified", "/versions/17/facts/4/label": "Reset observation", "/versions/17/facts/4/value": "No stats_reset field is documented for this view", "/versions/17/related/0/label": "pg_statio_sys_tables columns", "/versions/17/related/1/label": "Statistics collection and reset functions", "/versions/17/sections/0/title": "View semantics", "/versions/17/sections/1/title": "Collection and reset context", "/versions/17/sections/2/title": "Inspect this field", "/versions/17/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/17/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/17/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "9eb01242d9ae88abc8920788759cb9608eacca22038adceca31531866e017237", "canonical_center_text_hash": "fb45f42b303bcdbb151fb05a816ca0050edefdef3e0c56a2dd53288ffd93577a"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/17/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "18": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=18", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/18/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/monitoring-stats.html#id-1.6.14.7.6.8.2.2.23.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 18 English manual", "sha256": "aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "bc4137c365d342832aaeeca6f21cb35a2776b1058e336a0b2e582467ebdc7ce1", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "18", "text_hash": "633a4827107d9a8de241ed6b6f9383683b07cbab1cb2102102eb91c7a8741811", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "bc4137c365d342832aaeeca6f21cb35a2776b1058e336a0b2e582467ebdc7ce1", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html": "/docs/18/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "ab260da88009117e5b698e4cbc274dea20ea0ee868b55635a3369b2c294399a5", "content_hash": "633a4827107d9a8de241ed6b6f9383683b07cbab1cb2102102eb91c7a8741811", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/18/monitoring-stats.html", "method": "same-major semantic node", "sha256": "ff0b10c5fb4b75c247e38b7ad0e8a50fa0b6ebaa25e68c8c67a1ca972bda40b1", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[25]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/18/facts/0/label": "View", "/versions/18/facts/1/label": "Field", "/versions/18/facts/2/label": "SQL type", "/versions/18/facts/3/label": "Units named in the field definition", "/versions/18/facts/3/value": "Not specified", "/versions/18/facts/4/label": "Reset observation", "/versions/18/facts/4/value": "No stats_reset field is documented for this view", "/versions/18/related/0/label": "pg_statio_sys_tables columns", "/versions/18/related/1/label": "Statistics collection and reset functions", "/versions/18/sections/0/title": "View semantics", "/versions/18/sections/1/title": "Collection and reset context", "/versions/18/sections/2/title": "Inspect this field", "/versions/18/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/18/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/18/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "a2d52f14c53cec5d7e2fb9c8c621e0246c2385dbb9477e8ea8258f4ccfb0f607", "canonical_center_text_hash": "633a4827107d9a8de241ed6b6f9383683b07cbab1cb2102102eb91c7a8741811"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/docs/18/monitoring-stats.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "19": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=19", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/19/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": 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"extraction": "exact-catalog-field", "source_hash": "38f7e14f495b50d93ec5fe73e5630957512a3cbd01aa83c8d7dd33abfeedbb62", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c"}, "body_sha256": "ffc0752c2571785ce8a9faaa7a079dec47c076222b524b124328647f14519021", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": 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"zh-Hans", "version": "19", "build_id": 109, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "38f7e14f495b50d93ec5fe73e5630957512a3cbd01aa83c8d7dd33abfeedbb62", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c"}, "body_sha256": "ffc0752c2571785ce8a9faaa7a079dec47c076222b524b124328647f14519021", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/19/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "19", "link_map": {"/zh/docs/19/monitoring-stats.html": "/docs/19/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/19/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "ebed512182daf4486a70bd29f6d37d724caaa0b6bdd47213e5866c60b2932d98", "content_hash": "29967f342a950a19eae566bdbcdfcc9a1993e5a055f9923bbe1afa5221637f88", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/19/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables 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["#MONITORING-STATS/div[28]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/19/facts/0/label": "View", "/versions/19/facts/1/label": "Field", "/versions/19/facts/2/label": "SQL type", "/versions/19/facts/3/label": "Units named in the field definition", "/versions/19/facts/3/value": "Not specified", "/versions/19/facts/4/label": "Reset observation", "/versions/19/facts/4/value": "Time at which these statistics were last reset", "/versions/19/related/0/label": "pg_statio_sys_tables columns", "/versions/19/related/1/label": "Statistics collection and reset functions", "/versions/19/sections/0/title": "View semantics", "/versions/19/sections/1/title": "Collection and reset context", "/versions/19/sections/2/title": "Inspect this field", "/versions/19/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are 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"sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235"}, "body_sha256": "3823bc189b1e538e67ccd4da38dd68830aed510c86c977afe00b42306053e32f", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/devel/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "20", "link_map": {"/zh/docs/devel/monitoring-stats.html": "/docs/devel/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/devel/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "05744ab2137b18d7e63a795dbc01914ae9c155262b7ac26989e04ed81a4b7229", "content_hash": "8b4b541fa2e541da76ef77985457ab9e0bd0498347619bbac677a08dc2d30c2f", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/devel/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/devel/monitoring-stats.html", "method": "same-major semantic node", "sha256": "1d9a086fb4c6fdd9a56d3a7a28e8c164354ef0bf50c402f06ebe174538f96a4f", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[29]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/summary": "Number of buffer hits in this table's TOAST table (if any)", "/versions/20/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/20/facts/0/label": "View", "/versions/20/facts/1/label": "Field", "/versions/20/facts/2/label": "SQL type", "/versions/20/facts/3/label": "Units named in the field definition", "/versions/20/facts/3/value": "Not specified", "/versions/20/facts/4/label": "Reset observation", "/versions/20/facts/4/value": "Time at which these statistics were last reset", "/versions/20/related/0/label": "pg_statio_sys_tables columns", "/versions/20/related/1/label": "Statistics collection and reset functions", "/versions/20/sections/0/title": "View semantics", "/versions/20/sections/1/title": "Collection and reset context", "/versions/20/sections/2/title": "Inspect this field", "/versions/20/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/20/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/20/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "5fb6e5cfa872964d0ef225af7189676b1073472652af43cf469be10b7ec1c2c2", "canonical_center_text_hash": "8b4b541fa2e541da76ef77985457ab9e0bd0498347619bbac677a08dc2d30c2f"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/devel/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "documented field type and description, source-only view expressions", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "previous_source_revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}}}}, "snapshot": {"view": "pg_statio_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "toast_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_sys_tables/?v=18", "label": "pg_statio_sys_tables \u5b57\u6bb5"}, {"url": "/docs/18/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/monitoring-stats.html#id-1.6.14.7.6.8.2.2.23.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 18 English manual", "sha256": "aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "bc4137c365d342832aaeeca6f21cb35a2776b1058e336a0b2e582467ebdc7ce1", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_statio_sys_tables.toast_blks_hit", "locale": "zh-Hans", "source": {"key": "pg_statio_sys_tables-toast_blks_hit", "locale": "zh-Hans", "version": "18", "text_hash": "633a4827107d9a8de241ed6b6f9383683b07cbab1cb2102102eb91c7a8741811", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "toast_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "toast_blks_hit", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "bc4137c365d342832aaeeca6f21cb35a2776b1058e336a0b2e582467ebdc7ce1", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html": "/docs/18/monitoring-stats.html"}, "body_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "ab260da88009117e5b698e4cbc274dea20ea0ee868b55635a3369b2c294399a5", "content_hash": "633a4827107d9a8de241ed6b6f9383683b07cbab1cb2102102eb91c7a8741811", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_statio_all_tables \u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT toast_blks_hit FROM pg_catalog.pg_statio_sys_tables;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/18/monitoring-stats.html", "method": "same-major semantic node", "sha256": "ff0b10c5fb4b75c247e38b7ad0e8a50fa0b6ebaa25e68c8c67a1ca972bda40b1", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[25]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Number of buffer hits in this table's TOAST table (if any)", "/versions/18/facts/0/label": "View", "/versions/18/facts/1/label": "Field", "/versions/18/facts/2/label": "SQL type", "/versions/18/facts/3/label": "Units named in the field definition", "/versions/18/facts/3/value": "Not specified", "/versions/18/facts/4/label": "Reset observation", "/versions/18/facts/4/value": "No stats_reset field is documented for this view", "/versions/18/related/0/label": "pg_statio_sys_tables columns", "/versions/18/related/1/label": "Statistics collection and reset functions", "/versions/18/sections/0/title": "View semantics", "/versions/18/sections/1/title": "Collection and reset context", "/versions/18/sections/2/title": "Inspect this field", "/versions/18/sections/0/paragraphs/0": "Same as pg_statio_all_tables, except that only system tables are shown.", "/versions/18/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/18/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "a2d52f14c53cec5d7e2fb9c8c621e0246c2385dbb9477e8ea8258f4ccfb0f607", "canonical_center_text_hash": "633a4827107d9a8de241ed6b6f9383683b07cbab1cb2102102eb91c7a8741811"}, "description_zh": "\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_sys_tables", "field": "toast_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "500a6047c20cb79eb13baf5936d5ce4a57c9bf5c5983a6932439da3c1f19bcc8", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>pg_statio_sys_tables.toast_blks_hit \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_sys_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>toast_blks_hit</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09</p><p><a href=\"/docs/18/monitoring-stats.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}