{"Entry":{"collection":"metric","key":"pg_stat_activity-client_hostname","name":"pg_stat_activity.client_hostname","aliases":["client_hostname","pg_stat_activity"],"metadata":{"aliases":["client_hostname","pg_stat_activity"],"category":"pg_stat_activity","content_hash":"52000e2119df608c1853297cf8556b27c38798072d08933a665cb4bdb8e88298","imported_at":"2026-09-30T00:40:45.26224+08:00","name":"pg_stat_activity.client_hostname","name_zh":"","slug":"pg_stat_activity-client_hostname","summary":"Host name of the connected client, as reported by a reverse DNS lookup of client_addr. This field will only be non-null for IP connections, and only when log_hostname is enabled."}},"Definition":{"Collection":"metric","Key":"pg_stat_activity-client_hostname","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_activity-client_hostname","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"client_hostname","sql_type":"text","units_mentioned":[],"view":"pg_stat_activity"},"comparison_hash":"dac0dfcc0c7eec2177e2ddbfccfcc833c623cd1d0d5f067ffdf16973dc698ee2","description":["Host name of the connected client, as reported by a reverse DNS lookup of client_addr. This field will only be non-null for IP connections, and only when log_hostname is enabled."],"documented":true,"facts":[{"label":"View","value":"pg_stat_activity"},{"label":"Field","value":"client_hostname"},{"label":"SQL type","value":"text"},{"label":"Units named in the field definition","value":"Not specified"},{"label":"Reset observation","value":"No stats_reset field is documented for this view"}],"field":"client_hostname","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_activity columns","url":"/wiki/catalog/pg_stat_activity/?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_activity view will have one row per server process, showing information related to the current activity of that process."],"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 client_hostname FROM pg_catalog.pg_stat_activity;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"signature":"SELECT client_hostname FROM pg_catalog.pg_stat_activity;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-ACTIVITY-VIEW"}],"sql_type":"text","tables":[],"units_mentioned":[],"view":"pg_stat_activity"},"ManualEvidence":{"manual_path":"/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"},"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-ACTIVITY-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_activity-client_hostname","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_activity.client_hostname","Summary":"Host name of the connected client, as reported by a reverse DNS lookup of client_addr. This field will only be non-null for IP connections, and only when log_hostname is enabled.","BodyHTML":"\u003cp\u003eHost name of the connected client, as reported by a reverse DNS lookup of client_addr. This field will only be non-null for IP connections, and only when log_hostname is enabled.\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"d0befbe53b9aa00978f8713e2c812d4315177c1b88292deb120892fa22fbc3ef","Payload":{"description":["Host name of the connected client, as reported by a reverse DNS lookup of client_addr. This field will only be non-null for IP connections, and only when log_hostname is enabled."],"manual_html":"","related":[{"label":"pg_stat_activity columns","url":"/wiki/catalog/pg_stat_activity/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"sections":[{"paragraphs":["The pg_stat_activity view will have one row per server process, showing information related to the current activity of that process."],"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 client_hostname FROM pg_catalog.pg_stat_activity;","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}