{"Entry":{"collection":"func","key":"pg-control-system","name":"pg_control_system","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"9.5","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"9.6"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"},{"descriptions_changed":true,"doc_overhaul":false,"from":"13","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"14"},{"descriptions_changed":true,"doc_overhaul":false,"from":"14","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"15"},{"descriptions_changed":true,"doc_overhaul":false,"from":"15","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"16"},{"descriptions_changed":true,"doc_overhaul":false,"from":"16","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"17"},{"descriptions_changed":true,"doc_overhaul":false,"from":"17","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"18"},{"descriptions_changed":true,"doc_overhaul":false,"from":"18","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"19"}],"content_hash":"83659aef05e1fa3c5327a1191528274b31bd50922f0ee60f53a04785c9ce8766","first_version":"9.6","group":"info","group_label":"System 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title=\"表 9.90. pg_control_system 输出列\"\u003e表 9.90\u003c/a\u003e所展示。","signatures":[{"description_zh":"返回有关当前控制文件状态的信息，如表 9.90所展示。","description_zh_html":"返回有关当前控制文件状态的信息，如\u003ca href=\"/docs/18/functions-info.html#FUNCTIONS-PG-CONTROL-SYSTEM\" title=\"表 9.90. pg_control_system 输出列\"\u003e表 9.90\u003c/a\u003e所展示。","returns":"record","text":"pg_control_system () → record","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"3f3c7f531165ce5683843e27f1d6414545baaf1571e8e5b756827d2b7a429f99","Text":"pg_control_system () → record","Returns":"record","Payload":{"description":"Returns information about current control file state, as shown in Table 9.90.","description_html":"Returns information about current control file state, as shown in \u003ca href=\"/docs/18/functions-info.html#FUNCTIONS-PG-CONTROL-SYSTEM\" 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