DROP TYPE
Removes a data type.
Synopsis
DROP TYPE [IF EXISTS] <name> [, ...] [CASCADE | RESTRICT]Description
DROP TYPE removes a user-defined data type.
Only the owner of a type can remove it.
Parameters
| Parameter | Description |
|---|---|
IF EXISTS |
Do not throw an error if the type does not exist. A notice is issued in this case |
name |
The name (optionally schema-qualified) of the data type to remove |
CASCADE |
Automatically drop objects that depend on the type (such as table columns, functions, operators) |
RESTRICT |
Refuse to drop the type if any objects depend on it. This is the default |
Examples
Remove the box data type:
DROP TYPE box;Compatibility
This command is similar to the corresponding command in the SQL standard, apart from the IF EXISTS option, which is a Greengage DB extension.
But note that much of the CREATE TYPE command and the data type extension mechanisms in Greengage DB differ from the SQL standard.