↑↓ select ↵ open ⌫ change scope Open full search

PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

FUNCTIONS / MATHEMATICAL FUNCTIONS AND OPERATORS

sign

Read PG 18 manual ↗

Sign of the argument (-1, 0, or +1)

Signatures & examples

sign ( numeric ) → numeric
Sign of the argument (-1, 0, or +1)
sign(-8.4) → -1
sign ( double precision ) → double precision
Sign of the argument (-1, 0, or +1)
sign(-8.4) → -1
Version history 1
  1. PG 12 → 13changed

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