Module removal 

DROP DOMAIN, DROP TYPE and ALTER TYPE name binding, namespace privileges, owner and required-type diagnostics.

Structs

RowTypeRelation

A relation that owns a composite row type, described for dependency diagnostics.

TypeObjectBinding

Enums

BoundTypeDrop

Traits

TypeObjectAuthority

TypeObjectCatalog

Functions

resolve_alter_enum

Resolve the enum named by ALTER TYPE ... ADD VALUE | RENAME VALUE with PostgreSQL’s checkEnumOwner order: missing type, then a non-enum type, then ownership.

resolve_drop_domain

resolve_drop_type

DROP TYPE removes domains, enums and composite types. Built-in, generated array and relation row types are required by other objects and fail after the owner check, as in PostgreSQL.