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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": "a6d43a725d6414f3cdd448283f4bc0c82d1536080eefad903082693a681acd18"}, "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "5e7809296342460f91bd3a72c892b23fcb26805481007e7d7ded8a0f01f48a78", "units_mentioned": []}}}, "snapshot": {"view": "pg_statio_all_tables", "facts": [{"label": "\u89c6\u56fe", "value": "pg_statio_all_tables"}, {"label": "\u5b57\u6bb5", "value": "tidx_blks_hit"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "tidx_blks_hit", "tables": [], "related": [{"url": "/wiki/catalog/pg_statio_all_tables/?v=18", "label": "pg_statio_all_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": "https://pg.center/docs/18/monitoring-stats.html#PG-STATIO-ALL-TABLES-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 18 English manual", "sha256": "aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722", "language": "en", "original_url": "/docs/18/monitoring-stats.html#PG-STATIO-ALL-TABLES-VIEW"}], "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_hit 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", "signature": "SELECT tidx_blks_hit FROM pg_catalog.pg_statio_all_tables;", "documented": true, "description": ["\u8fd9\u4e2a\u8868\u7684TOAST\u8868\u7d22\u5f15\u4e2d\u7684\u7f13\u51b2\u533a\u547d\u4e2d\u6570\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/18/monitoring-stats.html", "method": "same-major semantic node", "sha256": "ff0b10c5fb4b75c247e38b7ad0e8a50fa0b6ebaa25e68c8c67a1ca972bda40b1", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[25]/div[3]/div[1]/table[0]/tbody[2]/tr[10]/td[0]/p[1]", "#MONITORING-STATS/div[25]/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Number of buffer hits in 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/3/value": "Not specified", "/versions/18/facts/4/label": "Reset observation", "/versions/18/facts/4/value": "No stats_reset field is documented for this view", "/versions/18/related/0/label": "pg_statio_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": "591c1b89d7c9b37d2c83e3977a2b0bc8295f3f025cf02ef2e4f9567c33432e40"}, "comparison_data": {"view": "pg_statio_all_tables", "field": "tidx_blks_hit", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "5e7809296342460f91bd3a72c892b23fcb26805481007e7d7ded8a0f01f48a78", "units_mentioned": []}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}