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PolarDB:pg_conversion

Last Updated:Mar 28, 2026

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

ColumnTypeDescription
oidoidRow identifier.
connamenameConversion name (unique within a namespace).
connamespaceoidThe OID of the namespace that contains this conversion (references pg_namespace.oid).
conowneroidOwner of the conversion (references pg_authid.oid).
conforencodingint4Source encoding ID. Use pg_encoding_to_char() to translate this number to the encoding name.
contoencodingint4Destination encoding ID. Use pg_encoding_to_char() to translate this number to the encoding name.
conprocregprocConversion function (references pg_proc.oid).
condefaultboolTrue if this is the default conversion.