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

Table 49-14. 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