Module collations 

Built-in collation identities shared by declarations and OID alias input/output.

Modules

declarations

Declaration collation selection and retained attribute identities.

expression

Collation-clause identity and type validation shared by expression analysis and catalog encoding.

Constants

DEFAULT_COLLATION_OID

The database-default collation’s predefined PostgreSQL catalog identity.

Functions

builtin_collation_name

The name of a built-in collation selected by its catalog OID.

builtin_collation_oid

The pg_collation OID of a built-in collation name.