{"Entry":{"collection":"metric","key":"pg_stat_ssl-compression","name":"pg_stat_ssl.compression","aliases":["compression","pg_stat_ssl"],"metadata":{"aliases":["compression","pg_stat_ssl"],"category":"pg_stat_ssl","content_hash":"09e9c06be341c744c86129980d3c156b45a4d62c1e3587678573b8b4b32ff94d","imported_at":"2026-09-30T00:40:46.171728+08:00","name":"pg_stat_ssl.compression","name_zh":"","slug":"pg_stat_ssl-compression","summary":"True if SSL compression is in use, false if not, or NULL if SSL is not in use on this connection"}},"Definition":{"Collection":"metric","Key":"pg_stat_ssl-compression","SourceDatabase":"center","Version":"13","SourceTable":"statistics_metric","SourceKey":"pg_stat_ssl-compression","SourceRevision":"6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6","Facts":{"comparison_data":{"field":"compression","sql_type":"boolean","units_mentioned":[],"view":"pg_stat_ssl"},"comparison_hash":"e99eff1d26ea19a05b84642e85522f29b8d9977e88efeeeb6dc47a3241653b1d","description":["True if SSL compression is in use, false if not, or NULL if SSL is not in use on this connection"],"documented":true,"facts":[{"label":"View","value":"pg_stat_ssl"},{"label":"Field","value":"compression"},{"label":"SQL type","value":"boolean"},{"label":"Units named in the field definition","value":"Not specified"},{"label":"Reset observation","value":"No stats_reset field is documented for this view"}],"field":"compression","manual_html":"","manual_path":"/docs/13/monitoring-stats.html","related":[{"label":"pg_stat_ssl columns","url":"/wiki/catalog/pg_stat_ssl/?v=13"},{"label":"Statistics collection and reset functions","url":"/docs/13/monitoring-stats.html"}],"release":{"channel":"stable","label":"13.23","major":"13","ref":"https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2","revision":"6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"},"sections":[{"paragraphs":["The pg_stat_ssl view will contain one row per backend or WAL sender process, showing statistics about SSL usage on this connection. It can be joined to pg_stat_activity or pg_stat_replication on the pid column to get more details about the connection."],"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 compression FROM pg_catalog.pg_stat_ssl;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"signature":"SELECT compression FROM pg_catalog.pg_stat_ssl;","source_only":false,"sources":[{"label":"PostgreSQL 13 English manual","path":"monitoring-stats.html","sha256":"a8ec0d199d592259f260a41ccb2821e582cd6dae1014a784e1e86203740afcb0","url":"/docs/13/monitoring-stats.html#PG-STAT-SSL-VIEW"}],"sql_type":"boolean","tables":[],"units_mentioned":[],"view":"pg_stat_ssl"},"ManualEvidence":{"manual_path":"/docs/13/monitoring-stats.html","release":{"channel":"stable","label":"13.23","major":"13","ref":"https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2","revision":"6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"},"sources":[{"label":"PostgreSQL 13 English manual","path":"monitoring-stats.html","sha256":"a8ec0d199d592259f260a41ccb2821e582cd6dae1014a784e1e86203740afcb0","url":"/docs/13/monitoring-stats.html#PG-STAT-SSL-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_ssl-compression","SourceDatabase":"center","Version":"13","Locale":"en","Title":"pg_stat_ssl.compression","Summary":"True if SSL compression is in use, false if not, or NULL if SSL is not in use on this connection","BodyHTML":"\u003cp\u003eTrue if SSL compression is in use, false if not, or NULL if SSL is not in use on this connection\u003c/p\u003e","SourceRevision":"6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6","ContentHash":"45e186e18253f577ff87fb7284749e455bedd6f15d795c280c87cdfee69fadd9","Payload":{"description":["True if SSL compression is in use, false if not, or NULL if SSL is not in use on this connection"],"manual_html":"","related":[{"label":"pg_stat_ssl columns","url":"/wiki/catalog/pg_stat_ssl/?v=13"},{"label":"Statistics collection and reset functions","url":"/docs/13/monitoring-stats.html"}],"sections":[{"paragraphs":["The pg_stat_ssl view will contain one row per backend or WAL sender process, showing statistics about SSL usage on this connection. It can be joined to pg_stat_activity or pg_stat_replication on the pid column to get more details about the connection."],"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 compression FROM pg_catalog.pg_stat_ssl;","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"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}