pg_compression

pg_compression

The pg_compression system catalog table describes the compression methods available..

Table 1. pg_catalog.pg_compression
column type modifers storage description
compname name not null plain Name of the compression
compconstructor regproc not null plain Name of compression constructor
compdestructor regproc not null plain Name of compression destructor
compcompressor regproc not null plain Name of the compressor
compdecompressor regproc not null plain Name of the decompressor
compvalidator regproc not null plain Name of the compression validator
compowner oid not null plain oid from pg_authid