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Functions / Range/Multirange Functions And Operators

isempty

Read the PG 18 manual

Is the range empty?

Reading PG 18current·documented in 16 of 27 versions, 9.2 to 20

7.17.27.37.48.08.18.28.38.49.09.19.29.39.49.59.61011121314151617181920

Signatures & examples

isempty ( anyrange ) → boolean
Is the range empty?
isempty(numrange(1.1,2.2)) → f
isempty ( anymultirange ) → boolean
Is the multirange empty?
isempty('{[1.1,2.2)}'::nummultirange) → f
Version history 3
  1. 13 → 14 changed
  2. 12 → 13 changed
  3. 9.1 → 9.2 added

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