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FUNCTIONS / JSON FUNCTIONS AND OPERATORS

json_object_keys

Read PG 18 manual ↗

Returns the set of keys in the top-level JSON object.

Signatures & examples

json_object_keys ( json ) → setof text
Returns the set of keys in the top-level JSON object.
select * from json_object_keys('{"f1":"abc","f2":{"f3":"a", "f4":"b"}}') →  json_object_keys
------------------
 f1
 f2
Version history 3
  1. PG 12 → 13changed
  2. PG 9.3 → 9.4changed
  3. PG 9.2 → 9.3added

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source