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FUNCTIONS / WINDOW FUNCTIONS

first_value

Read PG 18 manual ↗

Returns value evaluated at the row that is the first row of the window frame.

Signatures & examples

first_value ( value anyelement ) → anyelement
Returns value evaluated at the row that is the first row of the window frame.
Version history 2
  1. PG 18 → 19changed
  2. PG 12 → 13changed

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