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FUNCTIONS / ARRAY FUNCTIONS AND OPERATORS

cardinality

Read PG 18 manual ↗

Returns the total number of elements in the array, or 0 if the array is empty.

Signatures & examples

cardinality ( anyarray ) → integer
Returns the total number of elements in the array, or 0 if the array is empty.
cardinality(ARRAY[[1,2],[3,4]]) → 4
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