PostgreSQL 9.4.26 Documentation
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# 48.14. `pg_conversion`

The catalog `pg_conversion` describes encoding conversion procedures. See CREATE CONVERSION for more information.

Table 48-14. `pg_conversion` Columns

Name | Type | References | Description
--- | --- | --- | ---
`oid` | `oid` |  | Row identifier (hidden attribute; must be explicitly selected)
`conname` | `name` |  | Conversion name (unique within a namespace)
`connamespace` | `oid` | ``pg_namespace`.oid` | The OID of the namespace that contains this conversion
`conowner` | `oid` | ``pg_authid`.oid` | Owner of the conversion
`conforencoding` | `int4` |  | Source encoding ID
`contoencoding` | `int4` |  | Destination encoding ID
`conproc` | `regproc` | ``pg_proc`.oid` | Conversion procedure
`condefault` | `bool` |  | True if this is the default conversion

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