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Functions / Comparison Functions And Operators

num_nulls

Read the PG 18 manual

Returns the number of null arguments.

Reading PG 18current·documented in 12 of 27 versions, 9.6 to 20

7.17.27.37.48.08.18.28.38.49.09.19.29.39.49.59.61011121314151617181920

Signatures & examples

num_nulls ( VARIADIC "any" ) → integer
Returns the number of null arguments.
num_nulls(1, NULL, 2) → 1
Version history 2
  1. 12 → 13 changed
  2. 9.5 → 9.6 added

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