FUNCTIONS / SYSTEM ADMINISTRATION FUNCTIONS

pg_column_compression

Shows the compression algorithm that was used to compress an individual variable-length value.

Signatures & examples

pg_column_compression ( "any" ) → text

Shows the compression algorithm that was used to compress an individual variable-length value. Returns NULL if the value is not compressed.

Version history 1

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