## 52.14. `pg_conversion`
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The catalog `pg_conversion` describes encoding conversion functions. See [CREATE CONVERSION](sql-createconversion.html) for more information.
**Table 52.14. `pg_conversion` Columns**
| Column Type
Description |
|----------------------------------------------------------------------------------------------------------------------------------------------------|
| `oid` `oid`
Row identifier |
| `conname` `name`
Conversion name (unique within a namespace) |
|`connamespace` `oid` (references [`pg_namespace`](catalog-pg-namespace.html).`oid`)
The OID of the namespace that contains this conversion|
| `conowner` `oid` (references [`pg_authid`](catalog-pg-authid.html).`oid`)
Owner of the conversion |
| `conforencoding` `int4`
Source encoding ID |
| `contoencoding` `int4`
Destination encoding ID |
| `conproc` `regproc` (references [`pg_proc`](catalog-pg-proc.html).`oid`)
Conversion function |
| `condefault` `bool`
True if this is the default conversion |