{"Entry":{"collection":"metric","key":"pg_stat_all_indexes-idx_tup_read","name":"pg_stat_all_indexes.idx_tup_read","aliases":["idx_tup_read","pg_stat_all_indexes"],"metadata":{"aliases":["idx_tup_read","pg_stat_all_indexes"],"category":"pg_stat_all_indexes","content_hash":"b1c2eaa430aa387b3c81f50220c944b34fb0877d823397acae4b790275b661a7","imported_at":"2026-09-30T00:40:45.317249+08:00","name":"pg_stat_all_indexes.idx_tup_read","name_zh":"","slug":"pg_stat_all_indexes-idx_tup_read","summary":"Number of index entries returned by scans on this index"}},"Definition":{"Collection":"metric","Key":"pg_stat_all_indexes-idx_tup_read","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_all_indexes-idx_tup_read","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"idx_tup_read","sql_type":"bigint","units_mentioned":[],"view":"pg_stat_all_indexes"},"comparison_hash":"0af98e09a747a5b750981e4e234dd8c05ced051268030b77bb159e8a78215fcc","description":["Number of index entries returned by scans on this index"],"documented":true,"facts":[{"label":"View","value":"pg_stat_all_indexes"},{"label":"Field","value":"idx_tup_read"},{"label":"SQL type","value":"bigint"},{"label":"Units named in the field definition","value":"Not specified"},{"label":"Reset observation","value":"No stats_reset field is documented for this view"}],"field":"idx_tup_read","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_all_indexes columns","url":"/wiki/catalog/pg_stat_all_indexes/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[{"paragraphs":["The pg_stat_all_indexes view will contain one row for each index in the current database, showing statistics about accesses to that specific index. 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The pg_stat_user_indexes and pg_stat_sys_indexes views contain the same information, but filtered to only show user and system indexes respectively."],"title":"View semantics"},{"paragraphs":["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."],"title":"Collection and reset context"},{"code":"SELECT idx_tup_read FROM pg_catalog.pg_stat_all_indexes;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}