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Updated on 2025-08-19 GMT+08:00
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PG_CONVERSION

PG_CONVERSION describes encoding conversion information.

Table 1 PG_CONVERSION columns

Name

Type

Reference

Description

oid

oid

-

Row identifier (hidden attribute, which must be specified)

conname

name

-

Conversion name (unique within a namespace)

connamespace

oid

OID in PG_NAMESPACE

OID of the namespace that contains this conversion

conowner

oid

OID in PG_AUTHID

Owner of the conversion

conforencoding

integer

-

Source encoding ID

contoencoding

integer

-

Destination encoding ID

conproc

regproc

proname in PG_PROC

Conversion procedure

condefault

boolean

-

If this is the default conversion, the value is true. Otherwise, the value is false.
Parent topic: Other System Catalogs