↑↓ select ↵ open ⌫ change scope Open full search

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

FUNCTIONS / SYSTEM ADMINISTRATION FUNCTIONS

pg_total_relation_size

Read PG 18 manual ↗

Computes the total disk space used by the specified table, including all indexes and TOAST data.

Signatures & examples

pg_total_relation_size ( regclass ) → bigint
Computes the total disk space used by the specified table, including all indexes and TOAST data. The result is equivalent to pg_table_size + pg_indexes_size.
Version history 2
  1. PG 12 → 13changed
  2. PG 9.0 → 9.1changed

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