{"Entry":{"collection":"func","key":"json-object-keys","name":"json_object_keys","aliases":[],"metadata":{"changed_in":["9.4"],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"9.2","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"9.3"},{"descriptions_changed":true,"doc_overhaul":false,"from":"9.3","group_changed":null,"signatures":{"added":["json_object_keys ( json ) → setof text"],"removed":["json_object_keys ( json ) → SETOF text"]},"status":"changed","to":"9.4"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"7275d53c69df08aa237d0bf31fdeeef1ad31c4164d51c831670538b6fc491f2d","first_version":"9.3","group":"json","group_label":"Json Functions And Operators","groups":["json"],"imported_at":"2026-09-14T21:49:48.79032+08:00","last_version":"20","name":"json_object_keys","name_key":"json_object_keys","position":16014,"present_in":["9.3","9.4","9.5","9.6","10","11","12","13","14","15","16","17","18","19","20"],"signature":"json_object_keys ( json ) → setof text","signature_count":1,"slug":"json-object-keys","source_rev":"2026-09-14T13:14:25.684213+00:00@99e6866c","summary":"Returns the set of keys in the top-level JSON object.","summary_zh":""}},"Definition":{"Collection":"func","Key":"json-object-keys","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"json-object-keys","SourceRevision":"2026-09-14T13:14:25.684213+00:00@99e6866c","Facts":{"description":"Returns the set of keys in the top-level JSON object.","description_html":"Returns the set of keys in the top-level JSON object.","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-JSON-PROCESSING-TABLE","file":"functions-json.html","slug":"18"},"group":"json","group_label":"Json Functions And Operators","lang":"en","layout":"table-new","pages":["functions-json.html"],"prose_only":false,"signatures":[{"description":"Returns the set of keys in the top-level JSON object.","description_html":"Returns the set of keys in the top-level JSON object.","description_zh":"","description_zh_html":"","examples":[{"expr":"select * from json_object_keys('{\"f1\":\"abc\",\"f2\":{\"f3\":\"a\", \"f4\":\"b\"}}')","result":" json_object_keys\n------------------\n f1\n f2"}],"html":"\u003ccode class=\"function\"\u003ejson_object_keys\u003c/code\u003e ( \u003ccode class=\"type\"\u003ejson\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003esetof text\u003c/code\u003e","returns":"setof text","text":"json_object_keys ( json ) → setof text","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-JSON-PROCESSING-TABLE","file":"functions-json.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"json-object-keys","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"json_object_keys","Summary":"返回顶级JSON对象中的键集合。","BodyHTML":"返回顶级JSON对象中的键集合。\u003cpre\u003ejson_object_keys ( json ) → setof text\u003c/pre\u003e返回顶级JSON对象中的键集合。","SourceRevision":"ca936764","ContentHash":"056f60075e9b440f729f048ffdee8ab8409efdff26a3a06a96cef357bbb45ac6","Payload":{"description_zh":"返回顶级JSON对象中的键集合。","description_zh_html":"返回顶级JSON对象中的键集合。","signatures":[{"description_zh":"返回顶级JSON对象中的键集合。","description_zh_html":"返回顶级JSON对象中的键集合。","returns":"setof text","text":"json_object_keys ( json ) → setof text","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","9.3","9.4","9.5","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"c377bf5cd330d818e44e0a1ab1ce10a83d59d06b38a29363b02381aa681bbf03","Text":"json_object_keys ( json ) → setof text","Returns":"setof text","Payload":{"description":"Returns the set of keys in the top-level JSON object.","description_html":"Returns the set of keys in the top-level JSON object.","description_zh":"","description_zh_html":"","examples":[{"expr":"select * from json_object_keys('{\"f1\":\"abc\",\"f2\":{\"f3\":\"a\", \"f4\":\"b\"}}')","result":" json_object_keys\n------------------\n f1\n f2"}],"html":"\u003ccode class=\"function\"\u003ejson_object_keys\u003c/code\u003e ( \u003ccode class=\"type\"\u003ejson\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003esetof text\u003c/code\u003e","returns":"setof text","text":"json_object_keys ( json ) → setof text","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}