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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": "13048979deca6d35c92a535875e8045b2173aa65c9f4515c1f44c0871c09afd3"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_last_failure", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "79e362115b0e25001503df748e6e79b317d4b6958b1df68b6506aa13069e8e69", "units_mentioned": []}}}, "snapshot": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_last_failure"}, {"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": "checksum_last_failure", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=18", "label": "pg_stat_database \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-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 18 English manual", "sha256": "aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722", "language": "en", "original_url": "/docs/18/monitoring-stats.html#PG-STAT-DATABASE-VIEW"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_database \u89c6\u56fe\u5c06\u5305\u542b\u4e00\u884c\u7528\u4e8e\u96c6\u7c07\u4e2d\u7684\u6bcf\u4e2a\u6570\u636e\u5e93\uff0c\u52a0\u4e00\u884c\u7528\u4e8e\u5171\u4eab\u5bf9\u8c61\uff0c\u663e\u793a\u6570\u636e\u5e93\u8303\u56f4\u7684\u7edf\u8ba1\u4fe1\u606f\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 checksum_last_failure FROM pg_catalog.pg_stat_database;", "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", "signature": "SELECT checksum_last_failure FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u6700\u540e\u4e00\u6b21\u68c0\u6d4b\u5230\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u7684\u65f6\u95f4\uff0c\u5982\u679c\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u5219\u4e3a NULL\u3002"], "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[21]/div[3]/div[1]/table[0]/tbody[2]/tr[17]/td[0]/p[1]", "#MONITORING-STATS/div[21]/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Time at which the last data page checksum failure was detected in this database (or on a shared object), or NULL if data checksums are disabled.", "/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": "Time at which these statistics were last reset", "/versions/18/related/0/label": "pg_stat_database 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_stat_database view will contain one row for each database in the cluster, plus one for shared objects, showing database-wide statistics.", "/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": "b9fa05655a0a2cc43c697e9afd1d774c7b5b95c06dcaa33b9df33e6ff32a4e62"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_last_failure", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "79e362115b0e25001503df748e6e79b317d4b6958b1df68b6506aa13069e8e69", "units_mentioned": []}, "comparison": {"left": "11", "right": "12", "status": "added", "diff": "--- PostgreSQL 11\n+++ PostgreSQL 12\n@@ -1 +1,6 @@\n-\u8be5\u7248\u672a\u6536\u5f55\n+{\n+  \"field\": \"checksum_last_failure\",\n+  \"sql_type\": \"timestamp with time zone\",\n+  \"units_mentioned\": [],\n+  \"view\": \"pg_stat_database\"\n+}"}}