pg_conversion
The catalog pg_conversion describes encoding conversion functions.
Table pg_conversion Columns
| Column Type Description | 
|---|
| 
 Row identifier | 
| 
 Conversion name (unique within a namespace) | 
| 
 The OID of the namespace that contains this conversion | 
| 
 Owner of the conversion | 
| 
 Source encoding ID | 
| 
 Destination encoding ID | 
| 
 Conversion function | 
| 
 True if this is the default conversion |