Computes the disk space used by one “fork” of the specified relation. (Note that for most purposes it is more convenient to use the higher-level functions pg_total_relation_size or pg_table_size, which sum the sizes of all forks.) With one argument, this returns the size of the main data fork of the relation. The second argument can be provided to specify which fork to examine:
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pg_total_relation_size or pg_table_size, which sum the sizes of all forks.) With one argument, this returns the size of the main data fork of the relation. The second argument can be provided to specify which fork to examine:pg_relation_size ( relation regclass [, fork text] ) → bigint → bigintComputes the disk space used by one “fork” of the specified relation. (Note that for most purposes it is more convenient to use the higher-level functions
pg_total_relation_size or pg_table_size, which sum the sizes of all forks.) With one argument, this returns the size of the main data fork of the relation. The second argument can be provided to specify which fork to examine:{"inputs":[{"file":"functions-admin.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"885561d57facd49c33b44a50e320a002197d700d118784cc87d6410efadbd1f6","version":"18.7"},{"file":"functions-admin.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"830e894d29fec30b7c350c915fcaed4a63b24d57f2c96150bf25fa07fb43849c","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"}Full definition and evidence JSON
center · PostgreSQL 18 · wiki-repair-20261023:2cd139bb78eaf699f7e3b7f29265a1f8efd039490d59ce694eff45b7d7fee370
Text language: en · wiki-repair-20261023:2cd139bb78eaf699f7e3b7f29265a1f8efd039490d59ce694eff45b7d7fee370