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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')\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": "", "center_zh": {"title": "pg_stat_xact_sys_tables.idx_scan", "locale": "zh-Hans", "source": {"key": "pg_stat_xact_sys_tables-idx_scan", "locale": "zh-Hans", "version": "12", "text_hash": "a6f6aaa2f9c25aaf1f512819343aa51fd920dbe522c323baded3adb57980bdd1", "collection": 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["\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_sys_tables AS\nSELECT * FROM pg_stat_xact_all_tables\n WHERE schemaname IN ('pg_catalog', 'information_schema') OR\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 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')\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"]}], "description_zh": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002", "description_zh_html": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_xact_sys_tablesidx_scan\u8be5\u5b57\u6bb5\u7531\u672c\u7248\u672c system_views.sql \u4e2d\u7684\u4e8b\u52a1\u5c40\u90e8\u7edf\u8ba1\u89c6\u56fe\u5b9a\u4e49\uff1b\u4ee5\u4e0b\u4e3a\u6e90\u7801\u8868\u8fbe\u5f0f\uff0c\u672a\u628a\u5b83\u89e3\u91ca\u6210\u5168\u5c40\u7d2f\u8ba1\u7edf\u8ba1\u6216\u8fd0\u884c\u6d4b\u91cf\u3002
sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint\nPostgreSQL \u7684\u7edf\u8ba1\u6536\u96c6\u5668\u662f\u4e00\u4e2a\u652f\u6301\u6536\u96c6\u548c\u62a5\u544a\u670d\u52a1\u5668\u6d3b\u52a8\u4fe1\u606f\u7684\u5b50\u7cfb\u7edf\u3002\u76ee\u524d\uff0c\u5bf9\u8868\u548c\u7d22\u5f15\u7684\u8bbf\u95ee\u4f1a\u6309\u78c1\u76d8\u5757\u548c\u884c\u4e24\u79cd\u53e3\u5f84\u8ba1\u6570\u3002\u6bcf\u4e2a\u8868\u4e2d\u7684\u603b\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8868\u7684\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u7684\u4fe1\u606f\u4e5f\u88ab\u8ba1\u6570\u3002\u5b83\u8fd8\u53ef\u4ee5\u7edf\u8ba1\u5bf9\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u7684\u8c03\u7528\u548c\u6bcf\u4e2a\u51fd\u6570\u4e2d\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u3002\n
\nPostgreSQL \u4e5f\u652f\u6301\u62a5\u544a\u5173\u4e8e\u7cfb\u7edf\u5f53\u524d\u6b63\u5728\u53d1\u751f\u7684\u60c5\u51b5\u7684\u52a8\u6001\u4fe1\u606f\uff0c\u4f8b\u5982\u5176\u4ed6\u670d\u52a1\u5668\u8fdb\u7a0b\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u786e\u5207\u547d\u4ee4\uff0c\u4ee5\u53ca\u7cfb\u7edf\u4e2d\u5b58\u5728\u54ea\u4e9b\u5176\u4ed6\u8fde\u63a5\u3002\u6b64\u529f\u80fd\u72ec\u7acb\u4e8e\u6536\u96c6\u5668\u8fdb\u7a0b\u3002\n
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"}, "summary": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002", "version": "12", "link_map": {"/zh/docs/12/monitoring-stats.html#id-1.6.14.7.6.8.2.2.9.1.2": "/docs/12/monitoring-stats.html#id-1.6.14.7.6.8.2.2.9.1.2"}, "body_html": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
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sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint\nPostgreSQL \u7684\u7edf\u8ba1\u6536\u96c6\u5668\u662f\u4e00\u4e2a\u652f\u6301\u6536\u96c6\u548c\u62a5\u544a\u670d\u52a1\u5668\u6d3b\u52a8\u4fe1\u606f\u7684\u5b50\u7cfb\u7edf\u3002\u76ee\u524d\uff0c\u5bf9\u8868\u548c\u7d22\u5f15\u7684\u8bbf\u95ee\u4f1a\u6309\u78c1\u76d8\u5757\u548c\u884c\u4e24\u79cd\u53e3\u5f84\u8ba1\u6570\u3002\u6bcf\u4e2a\u8868\u4e2d\u7684\u603b\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8868\u7684\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u7684\u4fe1\u606f\u4e5f\u88ab\u8ba1\u6570\u3002\u5b83\u8fd8\u53ef\u4ee5\u7edf\u8ba1\u5bf9\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u7684\u8c03\u7528\u548c\u6bcf\u4e2a\u51fd\u6570\u4e2d\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u3002\n
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["\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_sys_tables AS\nSELECT * FROM pg_stat_xact_all_tables\n WHERE schemaname IN ('pg_catalog', 'information_schema') OR\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 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')\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"]}], "description_zh": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002", "description_zh_html": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_xact_sys_tablesidx_scan\u8be5\u5b57\u6bb5\u7531\u672c\u7248\u672c system_views.sql \u4e2d\u7684\u4e8b\u52a1\u5c40\u90e8\u7edf\u8ba1\u89c6\u56fe\u5b9a\u4e49\uff1b\u4ee5\u4e0b\u4e3a\u6e90\u7801\u8868\u8fbe\u5f0f\uff0c\u672a\u628a\u5b83\u89e3\u91ca\u6210\u5168\u5c40\u7d2f\u8ba1\u7edf\u8ba1\u6216\u8fd0\u884c\u6d4b\u91cf\u3002
sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint\nPostgreSQL \u7684\u7edf\u8ba1\u6536\u96c6\u5668\u662f\u4e00\u4e2a\u652f\u6301\u6536\u96c6\u548c\u62a5\u544a\u670d\u52a1\u5668\u6d3b\u52a8\u4fe1\u606f\u7684\u5b50\u7cfb\u7edf\u3002\u76ee\u524d\uff0c\u5bf9\u8868\u548c\u7d22\u5f15\u7684\u8bbf\u95ee\u4f1a\u6309\u78c1\u76d8\u5757\u548c\u884c\u4e24\u79cd\u53e3\u5f84\u8ba1\u6570\u3002\u6bcf\u4e2a\u8868\u4e2d\u7684\u603b\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8868\u7684\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u7684\u4fe1\u606f\u4e5f\u88ab\u8ba1\u6570\u3002\u5b83\u8fd8\u53ef\u4ee5\u7edf\u8ba1\u5bf9\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u7684\u8c03\u7528\u548c\u6bcf\u4e2a\u51fd\u6570\u4e2d\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u3002\n
\nPostgreSQL \u4e5f\u652f\u6301\u62a5\u544a\u5173\u4e8e\u7cfb\u7edf\u5f53\u524d\u6b63\u5728\u53d1\u751f\u7684\u60c5\u51b5\u7684\u52a8\u6001\u4fe1\u606f\uff0c\u4f8b\u5982\u5176\u4ed6\u670d\u52a1\u5668\u8fdb\u7a0b\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u786e\u5207\u547d\u4ee4\uff0c\u4ee5\u53ca\u7cfb\u7edf\u4e2d\u5b58\u5728\u54ea\u4e9b\u5176\u4ed6\u8fde\u63a5\u3002\u6b64\u529f\u80fd\u72ec\u7acb\u4e8e\u6536\u96c6\u5668\u8fdb\u7a0b\u3002\n
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"}, "summary": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002", "version": "13", "link_map": {"/zh/docs/13/monitoring-stats.html#id-1.6.14.7.6.8.2.2.9.1.2": "/docs/13/monitoring-stats.html#id-1.6.14.7.6.8.2.2.9.1.2"}, "body_html": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
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sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint\nPostgreSQL \u7684\u7edf\u8ba1\u6536\u96c6\u5668\u662f\u4e00\u4e2a\u652f\u6301\u6536\u96c6\u548c\u62a5\u544a\u670d\u52a1\u5668\u6d3b\u52a8\u4fe1\u606f\u7684\u5b50\u7cfb\u7edf\u3002\u76ee\u524d\uff0c\u5bf9\u8868\u548c\u7d22\u5f15\u7684\u8bbf\u95ee\u4f1a\u6309\u78c1\u76d8\u5757\u548c\u884c\u4e24\u79cd\u53e3\u5f84\u8ba1\u6570\u3002\u6bcf\u4e2a\u8868\u4e2d\u7684\u603b\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8868\u7684\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u7684\u4fe1\u606f\u4e5f\u88ab\u8ba1\u6570\u3002\u5b83\u8fd8\u53ef\u4ee5\u7edf\u8ba1\u5bf9\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u7684\u8c03\u7528\u548c\u6bcf\u4e2a\u51fd\u6570\u4e2d\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u3002\n
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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 * 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pg_stat_xact_sys_tablesidx_scan\u8be5\u5b57\u6bb5\u7531\u672c\u7248\u672c system_views.sql \u4e2d\u7684\u4e8b\u52a1\u5c40\u90e8\u7edf\u8ba1\u89c6\u56fe\u5b9a\u4e49\uff1b\u4ee5\u4e0b\u4e3a\u6e90\u7801\u8868\u8fbe\u5f0f\uff0c\u672a\u628a\u5b83\u89e3\u91ca\u6210\u5168\u5c40\u7d2f\u8ba1\u7edf\u8ba1\u6216\u8fd0\u884c\u6d4b\u91cf\u3002
sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint\nPostgreSQL \u7684\u7d2f\u79ef\u7edf\u8ba1\u7cfb\u7edf\u652f\u6301\u6536\u96c6\u548c\u62a5\u544a\u6709\u5173\u670d\u52a1\u5668\u6d3b\u52a8\u7684\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u5bf9\u8868\u548c\u7d22\u5f15\u7684\u8bbf\u95ee\u4f1a\u6309\u78c1\u76d8\u5757\u548c\u884c\u4e24\u79cd\u53e3\u5f84\u8ba1\u6570\u3002\u6bcf\u4e2a\u8868\u4e2d\u7684\u603b\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8868\u7684\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u7684\u4fe1\u606f\u4e5f\u88ab\u8ba1\u6570\u3002\u5982\u679c\u542f\u7528\uff0c\u5bf9\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u7684\u8c03\u7528\u548c\u6bcf\u4e2a\u51fd\u6570\u4e2d\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u4e5f\u4f1a\u88ab\u8ba1\u6570\u3002\n
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\u76f8\u540c\uff0c\u4f46\u4ec5\u663e\u793a\u7cfb\u7edf\u8868\u3002", "\u7c7b\u4f3c\u4e8e 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": "sum(pg_stat_get_xact_idx_numscans(I.indexrelid))::bigint", "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_sys_tables AS\nSELECT * FROM pg_stat_xact_all_tables\n WHERE schemaname IN ('pg_catalog', 'information_schema') OR\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"]}], "description_zh": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002", "description_zh_html": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
pg_stat_xact_sys_tablesidx_scan\u8be5\u5b57\u6bb5\u7531\u672c\u7248\u672c system_views.sql \u4e2d\u7684\u4e8b\u52a1\u5c40\u90e8\u7edf\u8ba1\u89c6\u56fe\u5b9a\u4e49\uff1b\u4ee5\u4e0b\u4e3a\u6e90\u7801\u8868\u8fbe\u5f0f\uff0c\u672a\u628a\u5b83\u89e3\u91ca\u6210\u5168\u5c40\u7d2f\u8ba1\u7edf\u8ba1\u6216\u8fd0\u884c\u6d4b\u91cf\u3002
sum(pg_stat_get_xact_idx_numscans(I.indexrelid))::bigint\nPostgreSQL \u7684\u7d2f\u79ef\u7edf\u8ba1\u7cfb\u7edf\u652f\u6301\u6536\u96c6\u548c\u62a5\u544a\u6709\u5173\u670d\u52a1\u5668\u6d3b\u52a8\u7684\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u5bf9\u8868\u548c\u7d22\u5f15\u7684\u8bbf\u95ee\u4f1a\u6309\u78c1\u76d8\u5757\u548c\u884c\u4e24\u79cd\u53e3\u5f84\u8ba1\u6570\u3002\u6bcf\u4e2a\u8868\u4e2d\u7684\u603b\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8868\u7684\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u7684\u4fe1\u606f\u4e5f\u88ab\u8ba1\u6570\u3002\u5982\u679c\u542f\u7528\uff0c\u5bf9\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u7684\u8c03\u7528\u548c\u6bcf\u4e2a\u51fd\u6570\u4e2d\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u4e5f\u4f1a\u88ab\u8ba1\u6570\u3002\n
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\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": "sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint", "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_sys_tables AS\nSELECT * FROM pg_stat_xact_all_tables\n WHERE schemaname IN ('pg_catalog', 'information_schema') OR\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 * 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pg_stat_xact_sys_tablesidx_scan\u8be5\u5b57\u6bb5\u7531\u672c\u7248\u672c system_views.sql \u4e2d\u7684\u4e8b\u52a1\u5c40\u90e8\u7edf\u8ba1\u89c6\u56fe\u5b9a\u4e49\uff1b\u4ee5\u4e0b\u4e3a\u6e90\u7801\u8868\u8fbe\u5f0f\uff0c\u672a\u628a\u5b83\u89e3\u91ca\u6210\u5168\u5c40\u7d2f\u8ba1\u7edf\u8ba1\u6216\u8fd0\u884c\u6d4b\u91cf\u3002
sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint\nPostgreSQL \u7684\u7d2f\u79ef\u7edf\u8ba1\u7cfb\u7edf\u652f\u6301\u6536\u96c6\u548c\u62a5\u544a\u6709\u5173\u670d\u52a1\u5668\u6d3b\u52a8\u7684\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u5bf9\u8868\u548c\u7d22\u5f15\u7684\u8bbf\u95ee\u4f1a\u6309\u78c1\u76d8\u5757\u548c\u884c\u4e24\u79cd\u53e3\u5f84\u8ba1\u6570\u3002\u6bcf\u4e2a\u8868\u4e2d\u7684\u603b\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8868\u7684\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u7684\u4fe1\u606f\u4e5f\u88ab\u8ba1\u6570\u3002\u5982\u679c\u542f\u7528\uff0c\u5bf9\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u7684\u8c03\u7528\u548c\u6bcf\u4e2a\u51fd\u6570\u4e2d\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u4e5f\u4f1a\u88ab\u8ba1\u6570\u3002\n
\nPostgreSQL \u4e5f\u652f\u6301\u62a5\u544a\u5173\u4e8e\u7cfb\u7edf\u5f53\u524d\u6b63\u5728\u53d1\u751f\u7684\u60c5\u51b5\u7684\u52a8\u6001\u4fe1\u606f\uff0c\u4f8b\u5982\u5176\u4ed6\u670d\u52a1\u5668\u8fdb\u7a0b\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u786e\u5207\u547d\u4ee4\uff0c\u4ee5\u53ca\u7cfb\u7edf\u4e2d\u5b58\u5728\u54ea\u4e9b\u5176\u4ed6\u8fde\u63a5\u3002\u6b64\u529f\u80fd\u72ec\u7acb\u4e8e\u7d2f\u79ef\u7edf\u8ba1\u7cfb\u7edf\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html#id-1.6.14.7.6.8.2.2.15.1.2": "/docs/18/monitoring-stats.html#id-1.6.14.7.6.8.2.2.15.1.2"}, "body_html": "pg_stat_xact_sys_tables.idx_scan \u7edf\u8ba1\u5b57\u6bb5\u3002
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sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint\nPostgreSQL \u7684\u7d2f\u79ef\u7edf\u8ba1\u7cfb\u7edf\u652f\u6301\u6536\u96c6\u548c\u62a5\u544a\u6709\u5173\u670d\u52a1\u5668\u6d3b\u52a8\u7684\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u5bf9\u8868\u548c\u7d22\u5f15\u7684\u8bbf\u95ee\u4f1a\u6309\u78c1\u76d8\u5757\u548c\u884c\u4e24\u79cd\u53e3\u5f84\u8ba1\u6570\u3002\u6bcf\u4e2a\u8868\u4e2d\u7684\u603b\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8868\u7684\u6e05\u7406\u548c\u5206\u6790\u64cd\u4f5c\u7684\u4fe1\u606f\u4e5f\u88ab\u8ba1\u6570\u3002\u5982\u679c\u542f\u7528\uff0c\u5bf9\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u7684\u8c03\u7528\u548c\u6bcf\u4e2a\u51fd\u6570\u4e2d\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u4e5f\u4f1a\u88ab\u8ba1\u6570\u3002\n
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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_sys_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 system 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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