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FUNCTIONS / SYSTEM ADMINISTRATION FUNCTIONS

pg_walfile_name

Read PG 18 manual ↗

Converts a write-ahead log location to the name of the WAL file holding that location.

Signatures & examples

pg_walfile_name ( lsn pg_lsn ) → text
Converts a write-ahead log location to the name of the WAL file holding that location.
Version history 2
  1. PG 12 → 13changed
  2. PG 9.6 → 10added

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