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The same-version manual describes this view but does not enumerate this column; the exact SQL expression is retained below.", "/versions/12/facts/0/label": "View", "/versions/12/facts/1/label": "Field", "/versions/12/facts/2/label": "Field evidence", "/versions/12/facts/2/value": "Source declaration; not individually enumerated by the manual", "/versions/12/facts/3/label": "Expression declared in", "/versions/12/related/0/label": "pg_stat_xact_user_tables columns", "/versions/12/sections/0/title": "View semantics", "/versions/12/sections/1/title": "Collection and transaction context", "/versions/12/sections/2/title": "Exact source expression", "/versions/12/sections/3/title": "Complete source view definition", "/versions/12/sections/4/title": "Source projection", "/versions/12/sections/0/paragraphs/0": "Same as pg_stat_xact_all_tables, except that only user tables are shown.", "/versions/12/sections/0/paragraphs/1": "Similar to pg_stat_all_tables, but counts actions taken so far within the current transaction (which are not yet included in pg_stat_all_tables and related views). 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sum(pg_stat_get_xact_tuples_fetched(I.indexrelid))::bigint +\n            pg_stat_get_xact_tuples_fetched(C.oid) AS idx_tup_fetch,\n            pg_stat_get_xact_tuples_inserted(C.oid) AS n_tup_ins,\n            pg_stat_get_xact_tuples_updated(C.oid) AS n_tup_upd,\n            pg_stat_get_xact_tuples_deleted(C.oid) AS n_tup_del,\n            pg_stat_get_xact_tuples_hot_updated(C.oid) AS n_tup_hot_upd\n    FROM pg_class C LEFT JOIN\n         pg_index I ON C.oid = I.indrelid\n         LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)\n    WHERE C.relkind IN ('r', 't', 'm', 'p')\n    GROUP BY C.oid, N.nspname, C.relname;", "title": "\u6e90\u7801\u4e2d\u7684\u6295\u5f71\u8868\u8fbe\u5f0f", "paragraphs": ["\u6b64\u89c6\u56fe\u901a\u8fc7 SELECT * \u67e5\u8be2 pg_stat_xact_all_tables\uff1b\u6240\u663e\u793a\u8868\u8fbe\u5f0f\u7531\u540c\u7248\u672c\u7684\u6e90\u89c6\u56fe\u58f0\u660e\u3002"]}], "sql_type": "", "signature": "SELECT seq_scan FROM pg_catalog.pg_stat_xact_user_tables;", 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The same-version manual describes this view but does not enumerate this column; the exact SQL expression is retained below.", "/versions/14/facts/0/label": "View", "/versions/14/facts/1/label": "Field", "/versions/14/facts/2/label": "Field evidence", "/versions/14/facts/2/value": "Source declaration; not individually enumerated by the manual", "/versions/14/facts/3/label": "Expression declared in", "/versions/14/related/0/label": "pg_stat_xact_user_tables columns", "/versions/14/sections/0/title": "View semantics", "/versions/14/sections/1/title": "Collection and transaction context", "/versions/14/sections/2/title": "Exact source expression", "/versions/14/sections/3/title": "Complete source view definition", "/versions/14/sections/4/title": "Source projection", "/versions/14/sections/0/paragraphs/0": "Same as pg_stat_xact_all_tables, except that only user tables are shown.", "/versions/14/sections/0/paragraphs/1": "Similar to pg_stat_all_tables, but counts actions taken so far within the current transaction (which are not yet included in pg_stat_all_tables and related views). 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The same-version manual describes this view but does not enumerate this column; the exact SQL expression is retained below.", "/versions/15/facts/0/label": "View", "/versions/15/facts/1/label": "Field", "/versions/15/facts/2/label": "Field evidence", "/versions/15/facts/2/value": "Source declaration; not individually enumerated by the manual", "/versions/15/facts/3/label": "Expression declared in", "/versions/15/related/0/label": "pg_stat_xact_user_tables columns", "/versions/15/sections/0/title": "View semantics", "/versions/15/sections/1/title": "Collection and transaction context", "/versions/15/sections/2/title": "Exact source expression", "/versions/15/sections/3/title": "Complete source view definition", "/versions/15/sections/4/title": "Source projection", "/versions/15/sections/0/paragraphs/0": "Same as pg_stat_xact_all_tables, except that only user tables are shown.", "/versions/15/sections/0/paragraphs/1": "Similar to pg_stat_all_tables, but counts actions taken so far within the current transaction (which are not yet included in pg_stat_all_tables and related views). 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The same-version manual describes this view but does not enumerate this column; the exact SQL expression is retained below.", "/versions/16/facts/0/label": "View", "/versions/16/facts/1/label": "Field", "/versions/16/facts/2/label": "Field evidence", "/versions/16/facts/2/value": "Source declaration; not individually enumerated by the manual", "/versions/16/facts/3/label": "Expression declared in", "/versions/16/related/0/label": "pg_stat_xact_user_tables columns", "/versions/16/sections/0/title": "View semantics", "/versions/16/sections/1/title": "Collection and transaction context", "/versions/16/sections/2/title": "Exact source expression", "/versions/16/sections/3/title": "Complete source view definition", "/versions/16/sections/4/title": "Source projection", "/versions/16/sections/0/paragraphs/0": "Same as pg_stat_xact_all_tables, except that only user tables are shown.", "/versions/16/sections/0/paragraphs/1": "Similar to pg_stat_all_tables, but counts actions taken so far within the current transaction (which are not yet included in pg_stat_all_tables and related views). 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The same-version manual describes this view but does not enumerate this column; the exact SQL expression is retained below.", "/versions/18/facts/0/label": "View", "/versions/18/facts/1/label": "Field", "/versions/18/facts/2/label": "Field evidence", "/versions/18/facts/2/value": "Source declaration; not individually enumerated by the manual", "/versions/18/facts/3/label": "Expression declared in", "/versions/18/related/0/label": "pg_stat_xact_user_tables columns", "/versions/18/sections/0/title": "View semantics", "/versions/18/sections/1/title": "Collection and transaction context", "/versions/18/sections/2/title": "Exact source expression", "/versions/18/sections/3/title": "Complete source view definition", "/versions/18/sections/4/title": "Source projection", "/versions/18/sections/0/paragraphs/0": "Same as pg_stat_xact_all_tables, except that only user tables are shown.", "/versions/18/sections/0/paragraphs/1": "Similar to pg_stat_all_tables, but counts actions taken so far within the current transaction (which are not yet included in pg_stat_all_tables and related views). 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pg_stat_all_tables\uff0c\u4f46\u7edf\u8ba1\u5f53\u524d\u4e8b\u52a1\u622a\u81f3\u76ee\u524d\u53d1\u751f\u7684\u64cd\u4f5c\uff08\u5c1a\u672a\u8ba1\u5165 pg_stat_all_tables \u53ca\u76f8\u5173\u89c6\u56fe\uff09\u3002\u6b64\u89c6\u56fe\u4e0d\u5305\u542b\u6d3b\u884c\u6570\u3001\u6b7b\u884c\u6570\u4ee5\u53ca\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u76f8\u5173\u7684\u5217\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u4e8b\u52a1\u8bed\u4e49", "paragraphs": ["\u4e8b\u52a1\u8fd8\u53ef\u4ee5\u5728\u89c6\u56fe pg_stat_xact_all_tables \u3001 pg_stat_xact_sys_tables \u3001 pg_stat_xact_user_tables \u548c pg_stat_xact_user_functions \u4e2d\u770b\u5230\u81ea\u5df1\u7684\u7edf\u8ba1\u4fe1\u606f\uff08\u5c1a\u672a\u5237\u65b0\u5230\u5171\u4eab\u5185\u5b58\u7edf\u8ba1\u4fe1\u606f\uff09\u3002\u8fd9\u4e9b\u6570\u5b57\u4e0d\u50cf\u4e0a\u9762\u6240\u8ff0\u90a3\u6837\u8d77\u4f5c\u7528\uff1b\u76f8\u53cd\uff0c\u5b83\u4eec\u5728\u4e8b\u52a1\u671f\u95f4\u6301\u7eed\u66f4\u65b0\u3002"]}, {"code": "pg_stat_get_xact_numscans(C.oid)", "title": "\u6e90\u7801\u4e2d\u7684\u539f\u59cb\u8868\u8fbe\u5f0f", "paragraphs": ["\u4e0d\u6839\u636e\u6b64\u8868\u8fbe\u5f0f\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u5b9a\u4e49\u3001\u5b9e\u9645 SQL \u7c7b\u578b\u3001\u5355\u4f4d\u6216\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "CREATE VIEW pg_stat_xact_user_tables AS\nSELECT * FROM pg_stat_xact_all_tables\n    WHERE schemaname NOT IN ('pg_catalog', 'information_schema') AND\n          schemaname !~ '^pg_toast';", "title": "\u6e90\u7801\u4e2d\u7684\u5b8c\u6574\u89c6\u56fe\u5b9a\u4e49", "paragraphs": []}, {"code": "CREATE VIEW pg_stat_xact_all_tables AS\nSELECT\n            C.oid AS relid,\n            N.nspname AS schemaname,\n            C.relname AS relname,\n            pg_stat_get_xact_numscans(C.oid) AS seq_scan,\n            pg_stat_get_xact_tuples_returned(C.oid) AS seq_tup_read,\n            sum(pg_stat_get_xact_idx_numscans(I.indexrelid))::bigint AS idx_scan,\n            sum(pg_stat_get_xact_idx_tuples_fetched(I.indexrelid))::bigint +\n            pg_stat_get_xact_tuples_fetched(C.oid) AS idx_tup_fetch,\n            pg_stat_get_xact_tuples_inserted(C.oid) AS n_tup_ins,\n            pg_stat_get_xact_tuples_updated(C.oid) AS n_tup_upd,\n            pg_stat_get_xact_tuples_deleted(C.oid) AS n_tup_del,\n            pg_stat_get_xact_tuples_hot_updated(C.oid) AS n_tup_hot_upd,\n            pg_stat_get_xact_tuples_newpage_updated(C.oid) AS n_tup_newpage_upd\n    FROM pg_class C LEFT JOIN\n         pg_index I ON C.oid = I.indrelid\n         LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)\n    WHERE C.relkind IN ('r', 't', 'm', 'p')\n    GROUP BY C.oid, N.nspname, C.relname;", "title": "\u6e90\u7801\u4e2d\u7684\u6295\u5f71\u8868\u8fbe\u5f0f", "paragraphs": ["\u6b64\u89c6\u56fe\u901a\u8fc7 SELECT * \u67e5\u8be2 pg_stat_xact_all_tables\uff1b\u6240\u663e\u793a\u8868\u8fbe\u5f0f\u7531\u540c\u7248\u672c\u7684\u6e90\u89c6\u56fe\u58f0\u660e\u3002"]}], "sql_type": 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The same-version manual describes this view but does not enumerate this column; the exact SQL expression is retained below.", "/versions/20/description/0": "Source-defined field pg_stat_xact_user_tables.seq_scan. The same-version manual describes this view but does not enumerate this column; the exact SQL expression is retained below.", "/versions/20/facts/0/label": "View", "/versions/20/facts/1/label": "Field", "/versions/20/facts/2/label": "Field evidence", "/versions/20/facts/2/value": "Source declaration; not individually enumerated by the manual", "/versions/20/facts/3/label": "Expression declared in", "/versions/20/related/0/label": "pg_stat_xact_user_tables columns", "/versions/20/sections/0/title": "View semantics", "/versions/20/sections/1/title": "Collection and transaction context", "/versions/20/sections/2/title": "Exact source expression", "/versions/20/sections/3/title": "Complete source view definition", "/versions/20/sections/4/title": "Source projection", "/versions/20/sections/0/paragraphs/0": "Same as pg_stat_xact_all_tables, except that only user tables are shown.", "/versions/20/sections/0/paragraphs/1": "Similar to pg_stat_all_tables, but counts actions taken so far within the current transaction (which are not yet included in pg_stat_all_tables and related views). 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pg_stat_all_tables\uff0c\u4f46\u7edf\u8ba1\u5f53\u524d\u4e8b\u52a1\u622a\u81f3\u76ee\u524d\u53d1\u751f\u7684\u64cd\u4f5c\uff08\u5c1a\u672a\u8ba1\u5165 pg_stat_all_tables \u53ca\u76f8\u5173\u89c6\u56fe\uff09\u3002\u6b64\u89c6\u56fe\u4e0d\u5305\u542b\u6d3b\u884c\u6570\u3001\u6b7b\u884c\u6570\u4ee5\u53ca\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u76f8\u5173\u7684\u5217\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u4e8b\u52a1\u8bed\u4e49", "paragraphs": ["\u4e8b\u52a1\u8fd8\u53ef\u4ee5\u5728\u89c6\u56fe pg_stat_xact_all_tables \u3001 pg_stat_xact_sys_tables \u3001 pg_stat_xact_user_tables \u548c pg_stat_xact_user_functions \u4e2d\u770b\u5230\u81ea\u5df1\u7684\u7edf\u8ba1\u4fe1\u606f\uff08\u5c1a\u672a\u5237\u65b0\u5230\u5171\u4eab\u5185\u5b58\u7edf\u8ba1\u4fe1\u606f\uff09\u3002\u8fd9\u4e9b\u6570\u5b57\u4e0d\u50cf\u4e0a\u9762\u6240\u8ff0\u90a3\u6837\u8d77\u4f5c\u7528\uff1b\u76f8\u53cd\uff0c\u5b83\u4eec\u5728\u4e8b\u52a1\u671f\u95f4\u6301\u7eed\u66f4\u65b0\u3002"]}, {"code": "pg_stat_get_xact_numscans(C.oid)", "title": "\u6e90\u7801\u4e2d\u7684\u539f\u59cb\u8868\u8fbe\u5f0f", "paragraphs": ["\u4e0d\u6839\u636e\u6b64\u8868\u8fbe\u5f0f\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u5b9a\u4e49\u3001\u5b9e\u9645 SQL \u7c7b\u578b\u3001\u5355\u4f4d\u6216\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "CREATE VIEW pg_stat_xact_user_tables AS\nSELECT * FROM pg_stat_xact_all_tables\n    WHERE schemaname NOT IN ('pg_catalog', 'information_schema') AND\n          schemaname !~ '^pg_toast';", "title": "\u6e90\u7801\u4e2d\u7684\u5b8c\u6574\u89c6\u56fe\u5b9a\u4e49", "paragraphs": []}, {"code": "CREATE VIEW pg_stat_xact_all_tables AS\nSELECT\n            C.oid AS relid,\n            N.nspname AS schemaname,\n            C.relname AS relname,\n            pg_stat_get_xact_numscans(C.oid) AS seq_scan,\n            pg_stat_get_xact_tuples_returned(C.oid) AS seq_tup_read,\n            sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint AS idx_scan,\n            sum(pg_stat_get_xact_tuples_fetched(I.indexrelid))::bigint +\n            pg_stat_get_xact_tuples_fetched(C.oid) AS idx_tup_fetch,\n            pg_stat_get_xact_tuples_inserted(C.oid) AS n_tup_ins,\n            pg_stat_get_xact_tuples_updated(C.oid) AS n_tup_upd,\n            pg_stat_get_xact_tuples_deleted(C.oid) AS n_tup_del,\n            pg_stat_get_xact_tuples_hot_updated(C.oid) AS n_tup_hot_upd,\n            pg_stat_get_xact_tuples_newpage_updated(C.oid) AS n_tup_newpage_upd\n    FROM pg_class C LEFT JOIN\n         pg_index I ON C.oid = I.indrelid\n         LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)\n    WHERE C.relkind IN ('r', 't', 'm', 'p')\n    GROUP BY C.oid, N.nspname, C.relname;", "title": "\u6e90\u7801\u4e2d\u7684\u6295\u5f71\u8868\u8fbe\u5f0f", "paragraphs": ["\u6b64\u89c6\u56fe\u901a\u8fc7 SELECT * \u67e5\u8be2 pg_stat_xact_all_tables\uff1b\u6240\u663e\u793a\u8868\u8fbe\u5f0f\u7531\u540c\u7248\u672c\u7684\u6e90\u89c6\u56fe\u58f0\u660e\u3002"]}], "sql_type": "", 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The same-version manual describes this view but does not enumerate this column; the exact SQL expression is retained below.", "/versions/18/facts/0/label": "View", "/versions/18/facts/1/label": "Field", "/versions/18/facts/2/label": "Field evidence", "/versions/18/facts/2/value": "Source declaration; not individually enumerated by the manual", "/versions/18/facts/3/label": "Expression declared in", "/versions/18/related/0/label": "pg_stat_xact_user_tables columns", "/versions/18/sections/0/title": "View semantics", "/versions/18/sections/1/title": "Collection and transaction context", "/versions/18/sections/2/title": "Exact source expression", "/versions/18/sections/3/title": "Complete source view definition", "/versions/18/sections/4/title": "Source projection", "/versions/18/sections/0/paragraphs/0": "Same as pg_stat_xact_all_tables, except that only user tables are shown.", "/versions/18/sections/0/paragraphs/1": "Similar to pg_stat_all_tables, but counts actions taken so far within the current transaction (which are not yet included in pg_stat_all_tables and related views). 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