{"Entry":{"collection":"func","key":"pg-walfile-name","name":"pg_walfile_name","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"9.6","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"10"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"ef7ecebcecaaaa27e7a310e6223a23ddbdce14445bd55bfd99295a3cd2dc0852","first_version":"10","group":"admin","group_label":"System Administration Functions","groups":["admin"],"imported_at":"2026-09-27T17:57:29.713618+08:00","last_version":"20","name":"pg_walfile_name","name_key":"pg_walfile_name","position":29116,"present_in":["10","11","12","13","14","15","16","17","18","19","20"],"signature":"pg_walfile_name ( lsn pg_lsn ) → text","signature_count":1,"slug":"pg-walfile-name","source_rev":"b7bd9cda","summary":"Converts a write-ahead log location to the name of the WAL file holding that location.","summary_zh":""}},"Definition":{"Collection":"func","Key":"pg-walfile-name","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"pg-walfile-name","SourceRevision":"b7bd9cda","Facts":{"description":"Converts a write-ahead log location to the name of the WAL file holding that location.","description_html":"Converts a write-ahead log location to the name of the WAL file holding that location.","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-ADMIN-BACKUP-TABLE","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":"Converts a write-ahead log location to the name of the WAL file holding that location.","description_html":"Converts a write-ahead log location to the name of the WAL file holding that location.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003epg_walfile_name\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003elsn\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003epg_lsn\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"pg_walfile_name ( lsn pg_lsn ) → text","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-ADMIN-BACKUP-TABLE","file":"functions-admin.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"pg-walfile-name","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"pg_walfile_name","Summary":"将预写式日志位置转换为包含该位置的 WAL 文件的名称。","BodyHTML":"将预写式日志位置转换为包含该位置的 WAL 文件的名称。\u003cpre\u003epg_walfile_name ( lsn pg_lsn ) → text\u003c/pre\u003e将预写式日志位置转换为包含该位置的 WAL 文件的名称。","SourceRevision":"ca936764","ContentHash":"dcf70e926ad4aa514f69a8f00540484e9b1b167efdb8b83f2a8e4cb6888d2c96","Payload":{"description_zh":"将预写式日志位置转换为包含该位置的 WAL 文件的名称。","description_zh_html":"将预写式日志位置转换为包含该位置的 WAL 文件的名称。","signatures":[{"description_zh":"将预写式日志位置转换为包含该位置的 WAL 文件的名称。","description_zh_html":"将预写式日志位置转换为包含该位置的 WAL 文件的名称。","returns":"text","text":"pg_walfile_name ( lsn pg_lsn ) → text","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"cb1f56578b04501e5885a1dc188f4f175837ccf5cc9cfb6b2f319f0026b972e9","Text":"pg_walfile_name ( lsn pg_lsn ) → text","Returns":"text","Payload":{"description":"Converts a write-ahead log location to the name of the WAL file holding that location.","description_html":"Converts a write-ahead log location to the name of the WAL file holding that location.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003epg_walfile_name\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003elsn\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003epg_lsn\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"pg_walfile_name ( lsn pg_lsn ) → text","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}