{"Entry":{"collection":"func","key":"pg-database-collation-actual-version","name":"pg_database_collation_actual_version","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"14","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"15"}],"content_hash":"45c9f1c50ec8ebb6dd203c03a78f254e607b659abb80e343700b04095ebd9caf","first_version":"15","group":"admin","group_label":"System Administration Functions","groups":["admin"],"imported_at":"2026-09-27T17:57:29.496373+08:00","last_version":"20","name":"pg_database_collation_actual_version","name_key":"pg_database_collation_actual_version","position":29034,"present_in":["15","16","17","18","19","20"],"signature":"pg_database_collation_actual_version ( oid ) → text","signature_count":1,"slug":"pg-database-collation-actual-version","source_rev":"b7bd9cda","summary":"Returns the actual version of the database's collation as it is currently installed in the operating system.","summary_zh":""}},"Definition":{"Collection":"func","Key":"pg-database-collation-actual-version","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"pg-database-collation-actual-version","SourceRevision":"b7bd9cda","Facts":{"description":"Returns the actual version of the database's collation as it is currently installed in the operating system. 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See also \u003ca href=\"/docs/18/sql-alterdatabase.html\" title=\"ALTER DATABASE\"\u003e\u003cspan class=\"refentrytitle\"\u003eALTER DATABASE\u003c/span\u003e\u003c/a\u003e.","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-ADMIN-COLLATION","file":"functions-admin.html","slug":"18"},"group":"admin","group_label":"System Administration Functions","lang":"en","layout":"table-new","pages":["functions-admin.html"],"prose_only":false,"signatures":[{"description":"Returns the actual version of the database's collation as it is currently installed in the operating system. If this is different from the value in pg_database.datcollversion, then objects depending on the collation might need to be rebuilt. See also ALTER DATABASE.","description_html":"Returns the actual version of the database's collation as it is currently installed in the operating system. If this is different from the value in \u003ccode class=\"structname\"\u003epg_database\u003c/code\u003e.\u003ccode class=\"structfield\"\u003edatcollversion\u003c/code\u003e, then objects depending on the collation might need to be rebuilt. See also \u003ca href=\"/docs/18/sql-alterdatabase.html\" title=\"ALTER DATABASE\"\u003e\u003cspan class=\"refentrytitle\"\u003eALTER DATABASE\u003c/span\u003e\u003c/a\u003e.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003epg_database_collation_actual_version\u003c/code\u003e ( \u003ccode class=\"type\"\u003eoid\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"pg_database_collation_actual_version ( oid ) → text","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-ADMIN-COLLATION","file":"functions-admin.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"pg-database-collation-actual-version","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"pg_database_collation_actual_version","Summary":"返回数据库当前在操作系统中安装的排序规则的实际版本。如果这与pg_database.datcollversion中的值不同，则依赖于排序规则的对象可能需要重新构建。参见ALTER DATABASE。","BodyHTML":"返回数据库当前在操作系统中安装的排序规则的实际版本。如果这与\u003ccode\u003epg_database\u003c/code\u003e.\u003ccode\u003edatcollversion\u003c/code\u003e中的值不同，则依赖于排序规则的对象可能需要重新构建。参见\u003ca href=\"/docs/18/sql-alterdatabase.html\" title=\"ALTER DATABASE\" rel=\"nofollow\"\u003e\u003cspan\u003eALTER DATABASE\u003c/span\u003e\u003c/a\u003e。\u003cpre\u003epg_database_collation_actual_version ( oid ) → text\u003c/pre\u003e返回数据库当前在操作系统中安装的排序规则的实际版本。如果这与\u003ccode\u003epg_database\u003c/code\u003e.\u003ccode\u003edatcollversion\u003c/code\u003e中的值不同，则依赖于排序规则的对象可能需要重新构建。参见\u003ca href=\"/docs/18/sql-alterdatabase.html\" title=\"ALTER DATABASE\" rel=\"nofollow\"\u003e\u003cspan\u003eALTER DATABASE\u003c/span\u003e\u003c/a\u003e。","SourceRevision":"ca936764","ContentHash":"4cd4e46af2fb2f00ef7b4ecb8a4c33a7c9980a6b8ce0408b4c225c7e7d995496","Payload":{"description_zh":"返回数据库当前在操作系统中安装的排序规则的实际版本。如果这与pg_database.datcollversion中的值不同，则依赖于排序规则的对象可能需要重新构建。参见ALTER DATABASE。","description_zh_html":"返回数据库当前在操作系统中安装的排序规则的实际版本。如果这与\u003ccode class=\"structname\"\u003epg_database\u003c/code\u003e.\u003ccode class=\"structfield\"\u003edatcollversion\u003c/code\u003e中的值不同，则依赖于排序规则的对象可能需要重新构建。参见\u003ca href=\"/docs/18/sql-alterdatabase.html\" title=\"ALTER DATABASE\"\u003e\u003cspan class=\"refentrytitle\"\u003eALTER DATABASE\u003c/span\u003e\u003c/a\u003e。","signatures":[{"description_zh":"返回数据库当前在操作系统中安装的排序规则的实际版本。如果这与pg_database.datcollversion中的值不同，则依赖于排序规则的对象可能需要重新构建。参见ALTER DATABASE。","description_zh_html":"返回数据库当前在操作系统中安装的排序规则的实际版本。如果这与\u003ccode class=\"structname\"\u003epg_database\u003c/code\u003e.\u003ccode class=\"structfield\"\u003edatcollversion\u003c/code\u003e中的值不同，则依赖于排序规则的对象可能需要重新构建。参见\u003ca href=\"/docs/18/sql-alterdatabase.html\" title=\"ALTER DATABASE\"\u003e\u003cspan class=\"refentrytitle\"\u003eALTER DATABASE\u003c/span\u003e\u003c/a\u003e。","returns":"text","text":"pg_database_collation_actual_version ( oid ) → text","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"702b9900f5cdf587021b9410aaf124862ac72961ae3ac18eb9da90d0b0537983","Text":"pg_database_collation_actual_version ( oid ) → text","Returns":"text","Payload":{"description":"Returns the actual version of the database's collation as it is currently installed in the operating system. 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