pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "version": "16", "link_map": {"/zh/docs/16/monitoring-stats.html": "/docs/16/monitoring-stats.html"}, "body_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "f909b0c2317cde11a3e63ed8284371a242d988e8e9097515c7bf6f2f91e634b2", "content_hash": "14727bbd6afcb24d53f05b234a0621fc47ba3b636dd1a057ecd56496965d9081", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "SELECT last_idx_scan FROM pg_catalog.pg_stat_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4"], "manual_html": "", "manual_path": "/docs/16/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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[22]/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "The time of the last index scan on this table, based on the most recent transaction stop time", "/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_stat_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_stat_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": "632f0d18fd73a5616945ae21cc71ddc7515fc9f76d8d2a960782d3868b36681f", "canonical_center_text_hash": "14727bbd6afcb24d53f05b234a0621fc47ba3b636dd1a057ecd56496965d9081"}, "description_zh": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "comparison_data": {"view": "pg_stat_sys_tables", "field": "last_idx_scan", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "7dba110ed0cac6a13b82c0bc5f10ae6be467fede09a275da05d3ffa1d711822f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "17": {"view": "pg_stat_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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": "last_idx_scan", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_sys_tables/?v=17", "label": "pg_stat_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-1.6.14.7.6.8.2.2.12.1.2", "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": "last_idx_scan", "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": "31b259eaf271422d3d83053545e07b6d347adac5d3216c7c87bf59218258562a", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "timestamp with time zone", "center_zh": {"title": "pg_stat_sys_tables.last_idx_scan", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_idx_scan", "locale": "zh-Hans", "version": "17", "text_hash": "ef3c7651b40f34e1985dab362d911070486fa3b6b9895ee8b4cc708bb0071d7d", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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": "last_idx_scan", "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": "31b259eaf271422d3d83053545e07b6d347adac5d3216c7c87bf59218258562a", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "version": "17", "link_map": {"/zh/docs/17/monitoring-stats.html": "/docs/17/monitoring-stats.html"}, "body_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "346f05e45f0ee633d1b9f07d4e642cdf98b2c51f85b98fe93df4f9df0b040a6d", "content_hash": "ef3c7651b40f34e1985dab362d911070486fa3b6b9895ee8b4cc708bb0071d7d", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "SELECT last_idx_scan FROM pg_catalog.pg_stat_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4"], "manual_html": "", "manual_path": "/docs/17/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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[23]/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "The time of the last index scan on this table, based on the most recent transaction stop time", "/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_stat_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_stat_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": "0c22d5074ba40883285fcb7f1bfd1f0dfa5e03df0f7c4199d0a1c9aa77b962b2", "canonical_center_text_hash": "ef3c7651b40f34e1985dab362d911070486fa3b6b9895ee8b4cc708bb0071d7d"}, "description_zh": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "comparison_data": {"view": "pg_stat_sys_tables", "field": "last_idx_scan", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "7dba110ed0cac6a13b82c0bc5f10ae6be467fede09a275da05d3ffa1d711822f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "18": {"view": "pg_stat_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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": "last_idx_scan", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_sys_tables/?v=18", "label": "pg_stat_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-1.6.14.7.6.8.2.2.12.1.2", "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": "last_idx_scan", "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": "17bfe8a60a35c82a8944cf80be4b5996f4b4f316419d67c0ea7538d0b48f96cf", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "timestamp with time zone", "center_zh": {"title": "pg_stat_sys_tables.last_idx_scan", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_idx_scan", "locale": "zh-Hans", "version": "18", "text_hash": "94c10901e8333effe051e3717636e9993ab0a037ce2af2b309e3a5583a465d68", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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": "last_idx_scan", "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": "17bfe8a60a35c82a8944cf80be4b5996f4b4f316419d67c0ea7538d0b48f96cf", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html": "/docs/18/monitoring-stats.html"}, "body_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "64494381a8497e067363b225d518c2676ac79f5c1999d8c1290a410cbf7e332d", "content_hash": "94c10901e8333effe051e3717636e9993ab0a037ce2af2b309e3a5583a465d68", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT last_idx_scan FROM pg_catalog.pg_stat_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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[23]/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "The time of the last index scan on this table, based on the most recent transaction stop time", "/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_stat_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_stat_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": "681b21091144d792d08a26deea69ca5281df48d1161a8edcf7c1f161c2833b66", "canonical_center_text_hash": "94c10901e8333effe051e3717636e9993ab0a037ce2af2b309e3a5583a465d68"}, "description_zh": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "comparison_data": {"view": "pg_stat_sys_tables", "field": "last_idx_scan", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "7dba110ed0cac6a13b82c0bc5f10ae6be467fede09a275da05d3ffa1d711822f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "center_zh_rendered": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "19": {"view": "pg_stat_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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": "last_idx_scan", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_sys_tables/?v=19", "label": "pg_stat_sys_tables \u5b57\u6bb5"}, {"url": "/docs/19/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "19rc1", "major": "19", "channel": "preview", "revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "source_sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "manual_fingerprint": "63afc6091780ed5e52920ff9ef5adb6aa7dfcc82f8f413ed36ad46095788488d", "catalog_fingerprint": "da7a8a4e03b72cd120b91ffdff4265e065ccad9eab9964fc3eb1279a58464eb8"}, "sources": [{"url": "/docs/19/monitoring-stats.html#id-1.6.14.7.6.8.2.2.13.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 19 English manual", "sha256": "26e1b6632bdf05ebe081987cb60ab4ded526eec7db73e41316fbd69466c494fe"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/19/monitoring-stats.html#", "anchor": "", "column": "last_idx_scan", "locale": "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": "e2c7326c1f28f4500f850cd338292ed55da1a118fcd465ea7bea2722e9aec6d5", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "timestamp with time zone", "center_zh": {"title": "pg_stat_sys_tables.last_idx_scan", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_idx_scan", "locale": "zh-Hans", "version": "19", "text_hash": "69995fddf09c7c6f8690b49926a0a70f5edb8de2a2a2e5735b92ec589ebfed2f", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/19/monitoring-stats.html#", "anchor": "", "column": "last_idx_scan", "locale": "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": "e2c7326c1f28f4500f850cd338292ed55da1a118fcd465ea7bea2722e9aec6d5", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "version": "19", "link_map": {"/zh/docs/19/monitoring-stats.html": "/docs/19/monitoring-stats.html"}, "body_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "f3b7ef64112e15608c343279af9132059a75924500f742585dab607a6c2ffd27", "content_hash": "69995fddf09c7c6f8690b49926a0a70f5edb8de2a2a2e5735b92ec589ebfed2f", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "SELECT last_idx_scan FROM pg_catalog.pg_stat_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4"], "manual_html": "", "manual_path": "/docs/19/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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/19/monitoring-stats.html", "method": "same-major semantic node", "sha256": "024434288428f15560d48c78af2e836ca669a4217589cfaeb2f16b72123b501a", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[25]/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "The time of the last index scan on this table, based on the most recent transaction stop time", "/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_stat_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_stat_all_tables, except that only system tables are shown.", "/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": "8bdd6165192d69c59a9c9a2d2a0a79863b2639b407430c096ffdfeaac7bb019c", "canonical_center_text_hash": "69995fddf09c7c6f8690b49926a0a70f5edb8de2a2a2e5735b92ec589ebfed2f"}, "description_zh": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "comparison_data": {"view": "pg_stat_sys_tables", "field": "last_idx_scan", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "7dba110ed0cac6a13b82c0bc5f10ae6be467fede09a275da05d3ffa1d711822f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "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": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "previous_source_revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}}, "20": {"view": "pg_stat_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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": "last_idx_scan", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_sys_tables/?v=20", "label": "pg_stat_sys_tables \u5b57\u6bb5"}, {"url": "/docs/devel/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "source_sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "manual_fingerprint": "4afd3a8e29953000e176877e161458a2febaeaac5a5e16986595d3acc2418c7d", "catalog_fingerprint": "e519e6916a731ce8fb9bca3edb12410227f73e01ccd43fb6f5fb98276f08985f"}, "sources": [{"url": "/docs/devel/monitoring-stats.html#id-1.6.14.7.6.8.2.2.14.1.2", "path": "monitoring-stats.html", "label": "PostgreSQL 20 English manual", "sha256": "dfc27a108b70bdf88f310801ae3db011a8f608befd927722e5f3e9bdcc070251"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/devel/monitoring-stats.html#", "anchor": "", "column": "last_idx_scan", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2c8d45a2fe11aec2ee727b94ac68e60b7a0523a1aa2d43629f9368d42f544d40", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235"}, "body_sha256": "c6f787de11703c63264247cd64c81cbcc72f4d7bcbb63851f46c3b0e12ede15e", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "timestamp with time zone", "center_zh": {"title": "pg_stat_sys_tables.last_idx_scan", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_idx_scan", "locale": "zh-Hans", "version": "20", "text_hash": "4598db2858d17eb07c9240f118dfc9b12a876a34c3c12ecb069a705ea8335e97", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/devel/monitoring-stats.html#", "anchor": "", "column": "last_idx_scan", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2c8d45a2fe11aec2ee727b94ac68e60b7a0523a1aa2d43629f9368d42f544d40", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235"}, "body_sha256": "c6f787de11703c63264247cd64c81cbcc72f4d7bcbb63851f46c3b0e12ede15e", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "version": "20", "link_map": {"/zh/docs/devel/monitoring-stats.html": "/docs/devel/monitoring-stats.html"}, "body_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "831a25527b3a039ffaa661dc6ec504f62f6a79b8202dbc5953e185d39c4cd8e2", "content_hash": "4598db2858d17eb07c9240f118dfc9b12a876a34c3c12ecb069a705ea8335e97", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "SELECT last_idx_scan FROM pg_catalog.pg_stat_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4"], "manual_html": "", "manual_path": "/docs/devel/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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[26]/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/summary": "The time of the last index scan on this table, based on the most recent transaction stop time", "/versions/20/description/0": "The time of the last index scan on this table, based on the most recent transaction stop time", "/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_stat_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_stat_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": "89c34335668ac0b2c4e9289a8cae3b1cd39ba889bd1af6c1da2c101706d20feb", "canonical_center_text_hash": "4598db2858d17eb07c9240f118dfc9b12a876a34c3c12ecb069a705ea8335e97"}, "description_zh": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "comparison_data": {"view": "pg_stat_sys_tables", "field": "last_idx_scan", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "7dba110ed0cac6a13b82c0bc5f10ae6be467fede09a275da05d3ffa1d711822f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "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_stat_sys_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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": "last_idx_scan", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_sys_tables/?v=18", "label": "pg_stat_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-1.6.14.7.6.8.2.2.12.1.2", "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": "last_idx_scan", "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": "17bfe8a60a35c82a8944cf80be4b5996f4b4f316419d67c0ea7538d0b48f96cf", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "timestamp with time zone", "center_zh": {"title": "pg_stat_sys_tables.last_idx_scan", "locale": "zh-Hans", "source": {"key": "pg_stat_sys_tables-last_idx_scan", "locale": "zh-Hans", "version": "18", "text_hash": "94c10901e8333effe051e3717636e9993ab0a037ce2af2b309e3a5583a465d68", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_sys_tables"}, {"label": "\u5b57\u6bb5", "value": "last_idx_scan"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"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": "last_idx_scan", "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": "17bfe8a60a35c82a8944cf80be4b5996f4b4f316419d67c0ea7538d0b48f96cf", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html": "/docs/18/monitoring-stats.html"}, "body_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "64494381a8497e067363b225d518c2676ac79f5c1999d8c1290a410cbf7e332d", "content_hash": "94c10901e8333effe051e3717636e9993ab0a037ce2af2b309e3a5583a465d68", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT last_idx_scan FROM pg_catalog.pg_stat_sys_tables;", "tables_zh": [], "documented": true, "description": ["\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u4e0e pg_stat_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 last_idx_scan FROM pg_catalog.pg_stat_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[23]/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "The time of the last index scan on this table, based on the most recent transaction stop time", "/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_stat_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_stat_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": "681b21091144d792d08a26deea69ca5281df48d1161a8edcf7c1f161c2833b66", "canonical_center_text_hash": "94c10901e8333effe051e3717636e9993ab0a037ce2af2b309e3a5583a465d68"}, "description_zh": "\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4", "comparison_data": {"view": "pg_stat_sys_tables", "field": "last_idx_scan", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "7dba110ed0cac6a13b82c0bc5f10ae6be467fede09a275da05d3ffa1d711822f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "center_zh_rendered": "pg_stat_sys_tables.last_idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_sys_tableslast_idx_scantimestamp with time zone\u6b64\u8868\u4e0a\u6700\u540e\u4e00\u6b21\u7d22\u5f15\u626b\u63cf\u7684\u65f6\u95f4\uff0c\u57fa\u4e8e\u6700\u8fd1\u7684\u4e8b\u52a1\u505c\u6b62\u65f6\u95f4
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}