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FUNCTIONS / JSON FUNCTIONS AND OPERATORS

jsonb_array_length

Read PG 18 manual ↗

Returns the number of elements in the top-level JSON array.

Signatures & examples

jsonb_array_length ( jsonb ) → integer
Returns the number of elements in the top-level JSON array.
json_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]') → 5
jsonb_array_length('[]') → 0
Version history 2
  1. PG 12 → 13changed
  2. PG 9.3 → 9.4added

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