{"Entry":{"collection":"func","key":"pg-export-snapshot","name":"pg_export_snapshot","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"9.1","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"9.2"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"8d580682905ceabddaabfde042b4ba02d8ed4ac285f858e0e2e3d12c04d2353f","first_version":"9.2","group":"admin","group_label":"System Administration Functions","groups":["admin"],"imported_at":"2026-09-27T17:57:29.508171+08:00","last_version":"20","name":"pg_export_snapshot","name_key":"pg_export_snapshot","position":29039,"present_in":["9.2","9.3","9.4","9.5","9.6","10","11","12","13","14","15","16","17","18","19","20"],"signature":"pg_export_snapshot () → text","signature_count":1,"slug":"pg-export-snapshot","source_rev":"b7bd9cda","summary":"Saves the transaction's current snapshot and returns a text string identifying the snapshot.","summary_zh":""}},"Definition":{"Collection":"func","Key":"pg-export-snapshot","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"pg-export-snapshot","SourceRevision":"b7bd9cda","Facts":{"description":"Saves the transaction's current snapshot and returns a text string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.","description_html":"Saves the transaction's current snapshot and returns a \u003ccode class=\"type\"\u003etext\u003c/code\u003e string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-SNAPSHOT-SYNCHRONIZATION-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":"Saves the transaction's current snapshot and returns a text string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.","description_html":"Saves the transaction's current snapshot and returns a \u003ccode class=\"type\"\u003etext\u003c/code\u003e string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003epg_export_snapshot\u003c/code\u003e () → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"pg_export_snapshot () → text","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-SNAPSHOT-SYNCHRONIZATION-TABLE","file":"functions-admin.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"pg-export-snapshot","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"pg_export_snapshot","Summary":"保存事务的当前快照并返回text字符串以标识该快照。必须将此字符串传递（在数据库之外）给希望导入快照的客户端。快照仅在导出它的事务结束之前才可用于导入。","BodyHTML":"保存事务的当前快照并返回\u003ccode\u003etext\u003c/code\u003e字符串以标识该快照。必须将此字符串传递（在数据库之外）给希望导入快照的客户端。快照仅在导出它的事务结束之前才可用于导入。\u003cpre\u003epg_export_snapshot () → text\u003c/pre\u003e保存事务的当前快照并返回\u003ccode\u003etext\u003c/code\u003e字符串以标识该快照。必须将此字符串传递（在数据库之外）给希望导入快照的客户端。快照仅在导出它的事务结束之前才可用于导入。","SourceRevision":"ca936764","ContentHash":"79a7482ff7fda4a401c195128f9ad4218cb76893bfea831a616311ceab144740","Payload":{"description_zh":"保存事务的当前快照并返回text字符串以标识该快照。必须将此字符串传递（在数据库之外）给希望导入快照的客户端。快照仅在导出它的事务结束之前才可用于导入。","description_zh_html":"保存事务的当前快照并返回\u003ccode class=\"type\"\u003etext\u003c/code\u003e字符串以标识该快照。必须将此字符串传递（在数据库之外）给希望导入快照的客户端。快照仅在导出它的事务结束之前才可用于导入。","signatures":[{"description_zh":"保存事务的当前快照并返回text字符串以标识该快照。必须将此字符串传递（在数据库之外）给希望导入快照的客户端。快照仅在导出它的事务结束之前才可用于导入。","description_zh_html":"保存事务的当前快照并返回\u003ccode class=\"type\"\u003etext\u003c/code\u003e字符串以标识该快照。必须将此字符串传递（在数据库之外）给希望导入快照的客户端。快照仅在导出它的事务结束之前才可用于导入。","returns":"text","text":"pg_export_snapshot () → text","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","9.2","9.3","9.4","9.5","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"ec71d7062b3538b2bac821d12237486086df5b901683a64b3a5944eb352e6222","Text":"pg_export_snapshot () → text","Returns":"text","Payload":{"description":"Saves the transaction's current snapshot and returns a text string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.","description_html":"Saves the transaction's current snapshot and returns a \u003ccode class=\"type\"\u003etext\u003c/code\u003e string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003epg_export_snapshot\u003c/code\u003e () → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"pg_export_snapshot () → text","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}