FUNCTIONS / ARRAY FUNCTIONS AND OPERATORS

array_length

Returns the length of the requested array dimension.

Signatures & examples

array_length ( anyarray, integer ) → integer

Returns the length of the requested array dimension. (Produces NULL instead of 0 for empty or missing array dimensions.)

array_length(array[1,2,3], 1) → 3

array_length(array[]::int[], 1) → NULL

array_length(array['text'], 2) → NULL

Version history 1

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