{"kind": "metric", "major": "18", "item": {"slug": "pg_statio_all_tables-tidx_blks_read", "name": "pg_statio_all_tables.tidx_blks_read", "name_zh": "", "category": "pg_statio_all_tables", "summary": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "aliases": ["tidx_blks_read", "pg_statio_all_tables"], "content_hash": "c0c02d768d5926c7411942a6001c83e9e371ef1630f57e3ce54f9efb4b1383a7", "versions": {"10": {"view": "pg_statio_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "tidx_blks_read", "tables": [], "related": 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"source_hash": "cf884834ed32c9ed9446bea488204432defca82b5fccd3075349b7b866653094", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5"}, "body_sha256": "14f4f831cf2ca3d3ba70c5aa8facd95b5d7600a5b8c72b279da19f0b96389af6", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"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": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8be5\u8868\u7684 I/O \u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_statio_all_tables \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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "10", "text_hash": "dfe4d334772e8245b5fd369577fb7d19a5a39bbea9b195eaef29f447b2406d94", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"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": "tidx_blks_read", "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": "14f4f831cf2ca3d3ba70c5aa8facd95b5d7600a5b8c72b279da19f0b96389af6", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8be5\u8868\u7684 I/O \u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_statio_all_tables \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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "32babd321497ca66faed4af17aab99c23c0f83ef3e3508b60d1a6342bcdfe699", "content_hash": "dfe4d334772e8245b5fd369577fb7d19a5a39bbea9b195eaef29f447b2406d94", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "signature": "SELECT tidx_blks_read FROM pg_catalog.pg_statio_all_tables;", "tables_zh": [], "documented": true, "description": ["\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/10/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8be5\u8868\u7684 I/O \u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_statio_all_tables \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 tidx_blks_read FROM pg_catalog.pg_statio_all_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/10/monitoring-stats.html", "method": "same-major semantic node", "sha256": "881c50196a1774b6cbfd40977523b79f34cd079195f91024d1e3c322c763a8b5", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[6]/div[55]/div[1]/table[0]/tbody[2]/tr[9]/td[2]", "#MONITORING-STATS/div[6]/div[7]/div[1]/table[0]/tbody[2]/tr[13]/td[1]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "Number of disk blocks read from this table's TOAST table indexes (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/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_all_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": "One row for each table in the current database, showing statistics about I/O on that specific table. See pg_statio_all_tables for details.", "/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": "6d30eb2dbab062209b3be17bf6b036685a5f161aa21d74be71ea2e767674beeb", "canonical_center_text_hash": "dfe4d334772e8245b5fd369577fb7d19a5a39bbea9b195eaef29f447b2406d94"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "tidx_blks_read", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_all_tables/?v=11", "label": "pg_statio_all_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#PG-STATIO-ALL-TABLES-VIEW", "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": "tidx_blks_read", "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": "a6f9d922bee5f910278845aebab5ec6d192fabe270218e638f1881a8ac8725b9", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"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": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8be5\u8868\u7684 I/O \u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_statio_all_tables \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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "11", "text_hash": "3cdea18468fc63fba107e4dbff32a92e2c192ac1b12ad5245fdb66f4c172e112", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"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": "tidx_blks_read", "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": "a6f9d922bee5f910278845aebab5ec6d192fabe270218e638f1881a8ac8725b9", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8be5\u8868\u7684 I/O \u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_statio_all_tables \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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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view", "/versions/11/related/0/label": "pg_statio_all_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": "One row for each table in the current database, showing statistics about I/O on that specific table. See pg_statio_all_tables for details.", "/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": "3b175cc71eb162de4ae2300155b7c3e24131f33dd64f398917f510e5b830c687", "canonical_center_text_hash": "3cdea18468fc63fba107e4dbff32a92e2c192ac1b12ad5245fdb66f4c172e112"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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"pg_statio_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "12", "text_hash": "4651b7a447ff45d8706d86dd550f6b3b2e9f563efb9b7805cd2436c6d5c43a19", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"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": "tidx_blks_read", "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": "6c5dd7d1f1b94e6b5e5dce8c7f2ee52dd63e6aae857670ea800dd8738e7a21a1", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\u4e00\u884c\uff0c\u663e\u793a\u8be5\u8868\u7684 I/O \u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_statio_all_tables \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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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view", "/versions/12/related/0/label": "pg_statio_all_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": "One row for each table in the current database, showing statistics about I/O on that specific table. See pg_statio_all_tables for details.", "/versions/12/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u662f\u88ab\u8fc7\u6ee4\u5f97\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "13", "text_hash": "4e6b940c06f74885479cc57ccba8be31150b8402165183b8842ea80a1a1ae24d", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4"}, "body_sha256": "a1d64fe8a27c2c83df450af85f5ed0a32cc8927ef7b5db99befa9d74dc43612b", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u662f\u88ab\u8fc7\u6ee4\u5f97\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "a5b157e899cf8eab7d417517853df90696764bfa5b03792be27385aad5eee88d", "content_hash": "4e6b940c06f74885479cc57ccba8be31150b8402165183b8842ea80a1a1ae24d", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "SELECT tidx_blks_read FROM pg_catalog.pg_statio_all_tables;", "tables_zh": [], "documented": true, "description": ["\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/13/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u662f\u88ab\u8fc7\u6ee4\u5f97\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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[9]/td[0]/p[1]", "#MONITORING-STATS/div[19]/p[2]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Number of disk blocks read from this table's TOAST table indexes (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/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_all_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": "The pg_statio_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about I/O on that specific table. The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/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": "540bd86d7f7b9fef8181cdf5eb851e1faedfdc2834c6ed3dbc83fd004ca704a6", "canonical_center_text_hash": "4e6b940c06f74885479cc57ccba8be31150b8402165183b8842ea80a1a1ae24d"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "tidx_blks_read", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_all_tables/?v=14", "label": "pg_statio_all_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#PG-STATIO-ALL-TABLES-VIEW", "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": "tidx_blks_read", 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "14", "text_hash": "6dcf650233a8dc26cd6bac08cd0d61b2a810845e0b63260baf67637432fb3f8e", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "48e256843364caeb6027da48a11b003aa9a2a0f5402f4a1560dc9c6db13b5ccc", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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\u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "69f34b68035c9887261927dc868617672750a8dedf07f59123287a5236d41ea6", "content_hash": "6dcf650233a8dc26cd6bac08cd0d61b2a810845e0b63260baf67637432fb3f8e", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "SELECT tidx_blks_read FROM pg_catalog.pg_statio_all_tables;", "tables_zh": [], "documented": true, "description": ["\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/14/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": 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"Number of disk blocks read from this table's TOAST table indexes (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/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_all_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": "The pg_statio_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about I/O on that specific table. The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/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": "daa1cc7106b700fd6467c921ecf1dd095d58128c6733a9ca84ae536dd45cb62a", "canonical_center_text_hash": "6dcf650233a8dc26cd6bac08cd0d61b2a810845e0b63260baf67637432fb3f8e"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "tidx_blks_read", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_all_tables/?v=15", "label": "pg_statio_all_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#PG-STATIO-ALL-TABLES-VIEW", "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": "tidx_blks_read", 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "15", "text_hash": "e2e692b3a3ded074e89503f5ae84150866e82555fe24893dfca3358249699f26", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad"}, "body_sha256": "b6f39f2a5343ab8c8a986697cf7ea3ff1ea19fdaf4396aabaa5f6ea3183abae9", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/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": "df8858a879db75caec5ef2ca9e93f0860a0e17ed74b4a72dea3c41ccf301a2fd", "canonical_center_text_hash": "e2e692b3a3ded074e89503f5ae84150866e82555fe24893dfca3358249699f26"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "16", "text_hash": "d79e1edf4a6b5c998711000ebad2fc7809ee73dd0e9d2dcdfb71ccc83c4278dc", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b"}, "body_sha256": "292bb230749755319c5f5b3ad3d5d57f7753519bc22c25fc9aee801bfa980402", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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"Number of disk blocks read from this table's TOAST table indexes (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/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_all_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": "The pg_statio_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about I/O on that specific table. The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/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": "92f9645de2c8fec0fc503644098434d87fe76e24a198df27b9d75f7826805ff9", "canonical_center_text_hash": "d79e1edf4a6b5c998711000ebad2fc7809ee73dd0e9d2dcdfb71ccc83c4278dc"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "tidx_blks_read", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_all_tables/?v=17", "label": "pg_statio_all_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#PG-STATIO-ALL-TABLES-VIEW", "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": "tidx_blks_read", 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "17", "text_hash": "880e3e901befadd4d3b5d69bbf7c5ddfc7b390866c10a6e4e5ab341a80b1900a", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd"}, "body_sha256": "24d920c9dad1db6b5f4484f99a82f0db67530ecf204866dc87f26965f3675b3d", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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"Number of disk blocks read from this table's TOAST table indexes (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/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_all_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": "The pg_statio_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about I/O on that specific table. The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/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": "40691d7f7d04e63519103e7f1411775ed0f53a0a653f5b070aa11717abae9c07", "canonical_center_text_hash": "880e3e901befadd4d3b5d69bbf7c5ddfc7b390866c10a6e4e5ab341a80b1900a"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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"\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "18", "text_hash": "67802e7c22761a37dbbc37c0434c9470f7a9a7d45ddb1c2da7d021faf7722ba2", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "ded8cc4cb06e9f87ad99bcbcf611d464e47f91bc0b7849fc963f45347a3da53c", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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_all_tables.tidx_blks_read 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"description": ["\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": 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"Number of disk blocks read from this table's TOAST table indexes (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/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_all_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": "The pg_statio_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about I/O on that specific table. The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/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": "1fe113cfd715005317c8b70cda870036b3b84869681ad5bacb4601869f2107ea", "canonical_center_text_hash": "67802e7c22761a37dbbc37c0434c9470f7a9a7d45ddb1c2da7d021faf7722ba2"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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\u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "tidx_blks_read", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_all_tables/?v=19", "label": "pg_statio_all_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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"source-derived-structured-summary", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</code></dd><dt>SQL 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\u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/19/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": 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The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/19/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/19/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "b02ed1ba727c0bf0c6a8f5e2bda95bdabc72e495a2f41c3e458213482cd7f651", "canonical_center_text_hash": "b0c5216d0b4c70495dc1d7108c1784b892847a5e4f0f235a29174529d87d8ab8"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read 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TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", 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\u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": 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The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/versions/20/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. 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\u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": 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"sources": [{"url": "/docs/18/monitoring-stats.html#PG-STATIO-ALL-TABLES-VIEW", "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": "tidx_blks_read", "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": "ded8cc4cb06e9f87ad99bcbcf611d464e47f91bc0b7849fc963f45347a3da53c", "runtime_rerun": false, "authored_translation": 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\u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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_all_tables.tidx_blks_read", "locale": "zh-Hans", "source": {"key": "pg_statio_all_tables-tidx_blks_read", "locale": "zh-Hans", "version": "18", "text_hash": "67802e7c22761a37dbbc37c0434c9470f7a9a7d45ddb1c2da7d021faf7722ba2", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_read"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"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": "tidx_blks_read", "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": "ded8cc4cb06e9f87ad99bcbcf611d464e47f91bc0b7849fc963f45347a3da53c", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\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 tidx_blks_read FROM pg_catalog.pg_statio_all_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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": "d11cc4cbc8fdd33b01f61e3b5781127a3498f1c1509355d620d503d4c0a2843a", "content_hash": "67802e7c22761a37dbbc37c0434c9470f7a9a7d45ddb1c2da7d021faf7722ba2", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT tidx_blks_read FROM pg_catalog.pg_statio_all_tables;", "tables_zh": [], "documented": true, "description": ["\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_statio_all_tables \u89c6\u56fe\u5c06\u4e3a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e2a\u8868\uff08\u5305\u62ec TOAST \u8868\uff09\u5305\u542b\u4e00\u884c\uff0c\u8be5\u884c\u663e\u793a\u6307\u5b9a\u8868\u4e0a\u6709\u5173 I/O \u7684\u7edf\u8ba1\u4fe1\u606f\u3002 pg_statio_user_tables \u548c pg_statio_sys_tables \u89c6\u56fe\u5305\u542b\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u4f46\u7ecf\u8fc7\u8fc7\u6ee4\uff0c\u5206\u522b\u53ea\u663e\u793a\u7528\u6237\u8868\u548c\u7cfb\u7edf\u8868\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": 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"Number of disk blocks read from this table's TOAST table indexes (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/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_all_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": "The pg_statio_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about I/O on that specific table. The pg_statio_user_tables and pg_statio_sys_tables views contain the same information, but filtered to only show user and system tables respectively.", "/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": "1fe113cfd715005317c8b70cda870036b3b84869681ad5bacb4601869f2107ea", "canonical_center_text_hash": "67802e7c22761a37dbbc37c0434c9470f7a9a7d45ddb1c2da7d021faf7722ba2"}, "description_zh": "\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09", "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_read", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "6ab6d65d6d00cdf8175f97c6fc0006bb7bf2d00e498283349cf8a066bd6bab9c", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_statio_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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_all_tables.tidx_blks_read \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_statio_all_tables</code></dd><dt>\u5b57\u6bb5</dt><dd><code>tidx_blks_read</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>\u4ece\u8fd9\u4e2a\u8868\u7684 TOAST \u8868\u7d22\u5f15\u4e2d\u8bfb\u53d6\u7684\u78c1\u76d8\u5757\u7684\u6570\u91cf\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": ""}}