{"Entry":{"collection":"metric","key":"pg_stat_progress_cluster-heap_blks_scanned","name":"pg_stat_progress_cluster.heap_blks_scanned","aliases":["heap_blks_scanned","pg_stat_progress_cluster"],"metadata":{"aliases":["heap_blks_scanned","pg_stat_progress_cluster"],"category":"pg_stat_progress_cluster","content_hash":"f0297b886ed94d2e44c512b7895d53dd12ea4db94832836a5cbba6b1a7378674","imported_at":"2026-09-30T00:40:45.812791+08:00","name":"pg_stat_progress_cluster.heap_blks_scanned","name_zh":"","slug":"pg_stat_progress_cluster-heap_blks_scanned","summary":"Number of heap blocks scanned. This counter only advances when the phase is seq scanning heap."}},"Definition":{"Collection":"metric","Key":"pg_stat_progress_cluster-heap_blks_scanned","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_progress_cluster-heap_blks_scanned","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"heap_blks_scanned","sql_type":"bigint","units_mentioned":["blocks"],"view":"pg_stat_progress_cluster"},"comparison_hash":"86bc78571f7fcc0e60d28ad46589ec99a748186d571ad5a120e9ecae6d1eb115","description":["Number of heap blocks scanned. This counter only advances when the phase is seq scanning heap."],"documented":true,"facts":[{"label":"View","value":"pg_stat_progress_cluster"},{"label":"Field","value":"heap_blks_scanned"},{"label":"SQL type","value":"bigint"},{"label":"Units named in the field definition","value":"blocks"},{"label":"Reset observation","value":"No stats_reset field is documented for this view"}],"field":"heap_blks_scanned","manual_html":"","manual_path":"/docs/18/progress-reporting.html","related":[{"label":"pg_stat_progress_cluster columns","url":"/wiki/catalog/pg_stat_progress_cluster/?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":["Whenever CLUSTER or VACUUM FULL is running, the pg_stat_progress_cluster view will contain a row for each backend that is currently running either command. The tables below describe the information that will be reported and provide information about how to interpret it."],"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 heap_blks_scanned FROM pg_catalog.pg_stat_progress_cluster;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"signature":"SELECT heap_blks_scanned FROM pg_catalog.pg_stat_progress_cluster;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"progress-reporting.html","sha256":"a1f46d2b670502bfe75f1cf5192050ef2ef68202a8f928c4915abea0f4f71ae6","url":"/docs/18/progress-reporting.html#PG-STAT-PROGRESS-CLUSTER-VIEW"}],"sql_type":"bigint","tables":[],"units_mentioned":["blocks"],"view":"pg_stat_progress_cluster"},"ManualEvidence":{"manual_path":"/docs/18/progress-reporting.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"},"sources":[{"label":"PostgreSQL 18 English manual","path":"progress-reporting.html","sha256":"a1f46d2b670502bfe75f1cf5192050ef2ef68202a8f928c4915abea0f4f71ae6","url":"/docs/18/progress-reporting.html#PG-STAT-PROGRESS-CLUSTER-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_progress_cluster-heap_blks_scanned","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_progress_cluster.heap_blks_scanned","Summary":"Number of heap blocks scanned. This counter only advances when the phase is seq scanning heap.","BodyHTML":"\u003cp\u003eNumber of heap blocks scanned. This counter only advances when the phase is seq scanning heap.\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"882d6bbb3824633f9b88e535ba6cc5995168781ce4de08e19609f2e3e0fae32c","Payload":{"description":["Number of heap blocks scanned. This counter only advances when the phase is seq scanning heap."],"manual_html":"","related":[{"label":"pg_stat_progress_cluster columns","url":"/wiki/catalog/pg_stat_progress_cluster/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"sections":[{"paragraphs":["Whenever CLUSTER or VACUUM FULL is running, the pg_stat_progress_cluster view will contain a row for each backend that is currently running either command. The tables below describe the information that will be reported and provide information about how to interpret it."],"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 heap_blks_scanned FROM pg_catalog.pg_stat_progress_cluster;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["12","13","14","15","16","17","18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}
