pg_compression
The pg_compression system catalog table describes the compression methods available.
| Column | Type | Modifiers | 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 |
|