{"Entry":{"collection":"func","key":"pg-get-multixact-stats","name":"pg_get_multixact_stats","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"18","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"19"}],"content_hash":"f3dbab05bd8878c2b3428b73d49e8d068f18407e009b54e5da92458c966bf07f","first_version":"19","group":"info","group_label":"System Information Functions And Operators","groups":["info"],"imported_at":"2026-09-27T17:57:29.195776+08:00","last_version":"20","name":"pg_get_multixact_stats","name_key":"pg_get_multixact_stats","position":28065,"present_in":["19","20"],"signature":"pg_get_multixact_stats () → record ( num_mxids integer, num_members bigint, members_size bigint, oldest_multixact xid )","signature_count":1,"slug":"pg-get-multixact-stats","source_rev":"b7bd9cda","summary":"Returns statistics about current multixact usage: num_mxids is the total number of multixact IDs currently 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in use.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003epg_get_multixact_stats\u003c/code\u003e () → \u003ccode class=\"returnvalue\"\u003erecord\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003enum_mxids\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003einteger\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003enum_members\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emembers_size\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eoldest_multixact\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003exid\u003c/code\u003e )","returns":"record","text":"pg_get_multixact_stats () → record ( num_mxids integer, num_members bigint, members_size bigint, oldest_multixact xid )","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-PG-SNAPSHOT","file":"functions-info.html","slug":"devel"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"pg-get-multixact-stats","SourceDatabase":"pgweb","Version":"20","Locale":"zh-Hans","Title":"pg_get_multixact_stats","Summary":"返回当前多事务使用情况的统计信息：num_mxids 是系统中当前存在的多事务 ID 总数，num_members 是系统中当前存在的多事务成员条目总数，members_size 是 pg_multixact/members 目录中 num_members 占用的存储空间，oldest_multixact 是仍在使用的最旧多事务 ID。","BodyHTML":"返回当前多事务使用情况的统计信息：\u003ccode\u003enum_mxids\u003c/code\u003e 是系统中当前存在的多事务 ID 总数，\u003ccode\u003enum_members\u003c/code\u003e 是系统中当前存在的多事务成员条目总数，\u003ccode\u003emembers_size\u003c/code\u003e 是 \u003ccode\u003epg_multixact/members\u003c/code\u003e 目录中 \u003ccode\u003enum_members\u003c/code\u003e 占用的存储空间，\u003ccode\u003eoldest_multixact\u003c/code\u003e 是仍在使用的最旧多事务 ID。\u003cpre\u003epg_get_multixact_stats () → record ( num_mxids integer, num_members bigint, members_size bigint, oldest_multixact xid )\u003c/pre\u003e返回当前多事务使用情况的统计信息：\u003ccode\u003enum_mxids\u003c/code\u003e 是系统中当前存在的多事务 ID 总数，\u003ccode\u003enum_members\u003c/code\u003e 是系统中当前存在的多事务成员条目总数，\u003ccode\u003emembers_size\u003c/code\u003e 是 \u003ccode\u003epg_multixact/members\u003c/code\u003e 目录中 \u003ccode\u003enum_members\u003c/code\u003e 占用的存储空间，\u003ccode\u003eoldest_multixact\u003c/code\u003e 是仍在使用的最旧多事务 ID。","SourceRevision":"ca936764","ContentHash":"0e55cd437415256f9f50efeead2ea2d661a19b38517669bfd6c9c14d7079ab04","Payload":{"description_zh":"返回当前多事务使用情况的统计信息：num_mxids 是系统中当前存在的多事务 ID 总数，num_members 是系统中当前存在的多事务成员条目总数，members_size 是 pg_multixact/members 目录中 num_members 占用的存储空间，oldest_multixact 是仍在使用的最旧多事务 ID。","description_zh_html":"返回当前多事务使用情况的统计信息：\u003ccode class=\"literal\"\u003enum_mxids\u003c/code\u003e 是系统中当前存在的多事务 ID 总数，\u003ccode class=\"literal\"\u003enum_members\u003c/code\u003e 是系统中当前存在的多事务成员条目总数，\u003ccode class=\"literal\"\u003emembers_size\u003c/code\u003e 是 \u003ccode 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integer, num_members bigint, members_size bigint, oldest_multixact xid )","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["19","20"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"20","Ordinal":0,"Hash":"d581eddb445b62df1cb2e7027a64d1e24ab83c54b9c30a5c54d9736b1b4c54e4","Text":"pg_get_multixact_stats () → record ( num_mxids integer, num_members bigint, members_size bigint, oldest_multixact xid )","Returns":"record","Payload":{"description":"Returns statistics about current multixact usage: num_mxids is the total number of multixact IDs currently present in the system, num_members is the total number of multixact member entries currently present in the system, members_size is the storage occupied by num_members in the pg_multixact/members directory, oldest_multixact is the oldest multixact ID still in use.","description_html":"Returns statistics about current multixact usage: \u003ccode class=\"literal\"\u003enum_mxids\u003c/code\u003e 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