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FUNCTIONS / STRING FUNCTIONS AND OPERATORS

concat_ws

Read PG 18 manual ↗

Concatenates all but the first argument, with separators.

Signatures & examples

concat_ws ( sep text, val1 "any" [, val2 "any" [, ...] ] ) → text
Concatenates all but the first argument, with separators. The first argument is used as the separator string, and should not be NULL. Other NULL arguments are ignored.
concat_ws(',', 'abcde', 2, NULL, 22) → abcde,2,22
Version history 3
  1. PG 12 → 13changed
  2. PG 9.2 → 9.3changed
  3. PG 9.0 → 9.1added

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