pg_total_relation_size

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.

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

Reading PG 18·Select a recorded version

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group: admin
group label: 系统管理函数
lang: en
layout: table-new
pages: functions-admin.html
prose only: false

Definition PG 18

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.

Signatures and overloads

pg_total_relation_size ( regclass ) → bigint → 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.

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Complete source facts

documentation revision

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Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:71143489d386a070f1dd1d956e6f37ff452fab8b3cbf9c6cde71d8492026e482

Text language: en · wiki-repair-20261023:71143489d386a070f1dd1d956e6f37ff452fab8b3cbf9c6cde71d8492026e482