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Updated on 2023-10-23 GMT+08:00
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PG_COLLATION

PG_COLLATION describes available collations, which are essentially mappings from an SQL name to operating system locale categories.

Table 1 PG_COLLATION columns

Name

Type

Reference

Description

oid

oid

-

Row identifier (hidden attribute, which must be specified)

collname

name

-

Collation name (unique per namespace and encoding)

collnamespace

oid

OID in PG_NAMESPACE

OID of the namespace that contains this collation

collowner

oid

OID in PG_AUTHID

Owner of the collation

collencoding

integer

-

Encoding in which the collation is applicable, or –1 if it works for any encoding. It is compatible with PostgreSQL.

collcollate

name

-

LC_COLLATE for this collation object

collctype

name

-

LC_CTYPE for this collation object
Parent topic: System Catalogs