{"kind": "metric", "major": "18", "item": {"slug": "pg_stat_database-checksum_failures", "name": "pg_stat_database.checksum_failures", "name_zh": "", "category": "pg_stat_database", "summary": "\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\uff0c\u5982\u679c\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u5219\u4e3a NULL\u3002", "aliases": ["checksum_failures", "pg_stat_database"], "content_hash": "dcf68dcdd73abe038279a62eb7b89981a5f6341041cfc8a0839ae657ddb4fe01", "versions": {"12": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=12", "label": "pg_stat_database \u5b57\u6bb5"}, {"url": "/docs/12/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "stable", "revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "https://pg.center/docs/12/monitoring-stats.html#PG-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 12 English manual", "sha256": "3a764eaa784efc0eed1081cdfc2bf313c91bd17122d66dd16055d8b640320699", "language": "en", "original_url": "/docs/12/monitoring-stats.html#PG-STAT-DATABASE-VIEW"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u6bcf\u4e2a\u6570\u636e\u5e93\u4e00\u884c\uff0c\u663e\u793a\u6574\u4e2a\u6570\u636e\u5e93\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_database \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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\uff0c\u5982\u679c\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u5219\u4e3a NULL\u3002"], "manual_html": "", "manual_path": "/docs/12/monitoring-stats.html", "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/12/monitoring-stats.html", "method": "same-major semantic node", "sha256": "d9fccd3a149dcb1b042346f59f216885cbd5a1cef552dae403a74da45af66cd0", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[6]/div[45]/div[1]/table[0]/tbody[2]/tr[16]/td[2]", "#MONITORING-STATS/div[6]/div[8]/div[1]/table[0]/tbody[2]/tr[2]/td[1]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are not enabled.", "/versions/12/facts/0/label": "View", "/versions/12/facts/1/label": "Field", "/versions/12/facts/2/label": "SQL type", "/versions/12/facts/3/label": "Units named in the field definition", "/versions/12/facts/3/value": "Not specified", "/versions/12/facts/4/label": "Reset observation", "/versions/12/facts/4/value": "Time at which these statistics were last reset", "/versions/12/related/0/label": "pg_stat_database 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 per database, showing database-wide statistics. See pg_stat_database for details.", "/versions/12/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/12/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "27b0979ff325bc25e1d08f708570f745ba933817e5500ae52fecf5b48fe638ea"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}, "13": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=13", "label": "pg_stat_database \u5b57\u6bb5"}, {"url": "/docs/13/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "stable", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "https://pg.center/docs/13/monitoring-stats.html#PG-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 13 English manual", "sha256": "a8ec0d199d592259f260a41ccb2821e582cd6dae1014a784e1e86203740afcb0", "language": "en", "original_url": "/docs/13/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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\uff0c\u5982\u679c\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u5219\u4e3a NULL\u3002"], "manual_html": "", "manual_path": "/docs/13/monitoring-stats.html", "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[15]/div[3]/div[1]/table[0]/tbody[2]/tr[16]/td[0]/p[1]", "#MONITORING-STATS/div[15]/p[2]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are not enabled.", "/versions/13/facts/0/label": "View", "/versions/13/facts/1/label": "Field", "/versions/13/facts/2/label": "SQL type", "/versions/13/facts/3/label": "Units named in the field definition", "/versions/13/facts/3/value": "Not specified", "/versions/13/facts/4/label": "Reset observation", "/versions/13/facts/4/value": "Time at which these statistics were last reset", "/versions/13/related/0/label": "pg_stat_database 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_stat_database view will contain one row for each database in the cluster, plus one for shared objects, showing database-wide statistics.", "/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": "78af4944be82933f7ce7f9820ef5f498e8cd89089234be59b946364a566fefb4"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}, "14": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=14", "label": "pg_stat_database \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": "https://pg.center/docs/14/monitoring-stats.html#PG-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 14 English manual", "sha256": "1852c6205d68e465d08dd8f75e3b6bfdd4a475ee8d79886e2dcff6bff8e2d243", "language": "en", "original_url": "/docs/14/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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\uff0c\u5982\u679c\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u5219\u4e3a NULL\u3002"], "manual_html": "", "manual_path": "/docs/14/monitoring-stats.html", "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/14/monitoring-stats.html", "method": "same-major semantic node", "sha256": "a622383556aa74bc5f0e402d9cb6c1e6ce1d111286c0f4e45f55b81e34d57922", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[17]/div[3]/div[1]/table[0]/tbody[2]/tr[16]/td[0]/p[1]", "#MONITORING-STATS/div[17]/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are not enabled.", "/versions/14/facts/0/label": "View", "/versions/14/facts/1/label": "Field", "/versions/14/facts/2/label": "SQL type", "/versions/14/facts/3/label": "Units named in the field definition", "/versions/14/facts/3/value": "Not specified", "/versions/14/facts/4/label": "Reset observation", "/versions/14/facts/4/value": "Time at which these statistics were last reset", "/versions/14/related/0/label": "pg_stat_database 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_stat_database view will contain one row for each database in the cluster, plus one for shared objects, showing database-wide statistics.", "/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": "e2abb058722fc06fd4634cda7010b02965d78fcd63ca01fb8b3381094948f038"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}, "15": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=15", "label": "pg_stat_database \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": "https://pg.center/docs/15/monitoring-stats.html#PG-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 15 English manual", "sha256": "034c0a2e99e6707e637bf4d6cfd819d39eddc1b4b7c1ec2a00f0b4f0fdb0a078", "language": "en", "original_url": "/docs/15/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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\uff0c\u5982\u679c\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u5219\u4e3a NULL\u3002"], "manual_html": "", "manual_path": "/docs/15/monitoring-stats.html", "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/15/monitoring-stats.html", "method": "same-major semantic node", "sha256": "373028581d43d13a3f098f997d5912fca6c8c1bf42a129d9336834c119bcaf6b", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[19]/div[3]/div[1]/table[0]/tbody[2]/tr[16]/td[0]/p[1]", "#MONITORING-STATS/div[19]/p[2]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are not enabled.", "/versions/15/facts/0/label": "View", "/versions/15/facts/1/label": "Field", "/versions/15/facts/2/label": "SQL type", "/versions/15/facts/3/label": "Units named in the field definition", "/versions/15/facts/3/value": "Not specified", "/versions/15/facts/4/label": "Reset observation", "/versions/15/facts/4/value": "Time at which these statistics were last reset", "/versions/15/related/0/label": "pg_stat_database columns", "/versions/15/related/1/label": "Statistics collection and reset functions", "/versions/15/sections/0/title": "View semantics", "/versions/15/sections/1/title": "Collection and reset context", "/versions/15/sections/2/title": "Inspect this field", "/versions/15/sections/0/paragraphs/0": "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/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": "a56d46be5dc495de3af3ef0d78e70d74ebae0d9a951669b3e61e40c2fca27f79"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}, "16": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=16", "label": "pg_stat_database \u5b57\u6bb5"}, {"url": "/docs/16/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "https://pg.center/docs/16/monitoring-stats.html#PG-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 16 English manual", "sha256": "a4c274defe8a41ff2895040cd542b5499063b844669ff3336de1a1317c3fe086", "language": "en", "original_url": "/docs/16/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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\uff0c\u5982\u679c\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u5219\u4e3a NULL\u3002"], "manual_html": "", "manual_path": "/docs/16/monitoring-stats.html", "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[20]/div[3]/div[1]/table[0]/tbody[2]/tr[16]/td[0]/p[1]", "#MONITORING-STATS/div[20]/p[2]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are not enabled.", "/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": "Time at which these statistics were last reset", "/versions/16/related/0/label": "pg_stat_database 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_stat_database view will contain one row for each database in the cluster, plus one for shared objects, showing database-wide statistics.", "/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": "1406c08327a6190846a7cb50023e5d16a4c939e4a3c359d446ce3b6a1d118d12"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}, "17": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=17", "label": "pg_stat_database \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": "https://pg.center/docs/17/monitoring-stats.html#PG-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 17 English manual", "sha256": "007af6e8ab39b925963273ec3ba7f06f8ee6fbfaad821f07a1dc78383dbb9b99", "language": "en", "original_url": "/docs/17/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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\uff0c\u5982\u679c\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u5219\u4e3a NULL\u3002"], "manual_html": "", "manual_path": "/docs/17/monitoring-stats.html", "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[21]/div[3]/div[1]/table[0]/tbody[2]/tr[16]/td[0]/p[1]", "#MONITORING-STATS/div[21]/p[2]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are not enabled.", "/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": "Time at which these statistics were last reset", "/versions/17/related/0/label": "pg_stat_database 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_stat_database view will contain one row for each database in the cluster, plus one for shared objects, showing database-wide statistics.", "/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": "888ad66c79533e3ab792e6fccec86efadefdeed200cb38d23bdee7a672394136"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}, "18": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\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[16]/td[0]/p[1]", "#MONITORING-STATS/div[21]/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Number of data page checksum failures 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": "afa8819a1a00548419a7eca24fd540ac34d7d499ec5266dd4e26864884a6097b"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}, "19": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=19", "label": "pg_stat_database \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/v19beta4/postgresql-19beta4.tar.bz2", "label": "19beta4", "major": "19", "channel": "preview", "revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "sources": [{"url": "https://pg.center/docs/19/monitoring-stats.html#PG-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 19 English manual", "sha256": "26e1b6632bdf05ebe081987cb60ab4ded526eec7db73e41316fbd69466c494fe", "language": "en", "original_url": "/docs/19/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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\uff1b\u5982\u679c\u7981\u7528\u4e86\u6570\u636e\u6821\u9a8c\u548c\uff0c\u5219\u4e3a NULL\u3002"], "manual_html": "", "manual_path": "/docs/19/monitoring-stats.html", "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[23]/div[3]/div[1]/table[0]/tbody[2]/tr[16]/td[0]/p[1]", "#MONITORING-STATS/div[23]/p[2]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are disabled.", "/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_database 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": "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/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": "fb06ad0f1c8199243b709c12ce4df33109bab1d4af4cce60975070c7a1826954"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}, "20": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_database/?v=20", "label": "pg_stat_database \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": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, "sources": [{"url": "https://pg.center/docs/devel/monitoring-stats.html#PG-STAT-DATABASE-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 20 English manual", "sha256": "dfc27a108b70bdf88f310801ae3db011a8f608befd927722e5f3e9bdcc070251", "language": "en", "original_url": "/docs/devel/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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\u4e2d\uff08\u6216\u5171\u4eab\u5bf9\u8c61\u4e0a\uff09\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\u3002\u66f4\u6539 data_checksums \u8bbe\u7f6e\u4e0d\u4f1a\u91cd\u7f6e\u5df2\u68c0\u6d4b\u5230\u7684\u5931\u8d25\u6b21\u6570\u3002\u521d\u59cb\u5316\u65f6\u672a\u542f\u7528\u6570\u636e\u6821\u9a8c\u548c\u7684\u96c6\u7fa4\u5c06\u6b64\u503c\u663e\u793a\u4e3a 0\u3002\u5728 PostgreSQL 18 \u53ca\u66f4\u65e9\u7248\u672c\u4e2d\uff0c\u7981\u7528\u6570\u636e\u6821\u9a8c\u548c\u7684\u96c6\u7fa4\u5c06\u6b64\u503c\u8bbe\u4e3a NULL\u3002"], "manual_html": "", "manual_path": "/docs/devel/monitoring-stats.html", "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[24]/p[2]"]}], "language": "zh", "original_text": {"/summary": "Number of data page checksum failures detected in this database (or on a shared object). Detected failures are not reset if the data_checksums setting changes. Clusters which are initialized without data checksums will show this as 0. In PostgreSQL version 18 and earlier, this was set to NULL for clusters with data checksums disabled.", "/versions/20/description/0": "Number of data page checksum failures detected in this database (or on a shared object). Detected failures are not reset if the data_checksums setting changes. Clusters which are initialized without data checksums will show this as 0. In PostgreSQL version 18 and earlier, this was set to NULL for clusters with data checksums disabled.", "/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_database 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": "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/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": "2c4d245f21084b90d53022d180b18f10ef6c32b85a0b4a8b75055e6c5b19a84e"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "units_mentioned": []}}}, "snapshot": {"view": "pg_stat_database", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_database"}, {"label": "\u5b57\u6bb5", "value": "checksum_failures"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "checksum_failures", "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_failures 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": "bigint", "signature": "SELECT checksum_failures FROM pg_catalog.pg_stat_database;", "documented": true, "description": ["\u5728\u6b64\u6570\u636e\u5e93\uff08\u6216\u5171\u4eab\u5bf9\u8c61\uff09\u4e2d\u68c0\u6d4b\u5230\u7684\u6570\u636e\u9875\u6821\u9a8c\u548c\u5931\u8d25\u6b21\u6570\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[16]/td[0]/p[1]", "#MONITORING-STATS/div[21]/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Number of data page checksum failures 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": "afa8819a1a00548419a7eca24fd540ac34d7d499ec5266dd4e26864884a6097b"}, "comparison_data": {"view": "pg_stat_database", "field": "checksum_failures", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b", "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_failures\",\n+  \"sql_type\": \"bigint\",\n+  \"units_mentioned\": [],\n+  \"view\": \"pg_stat_database\"\n+}"}}