DROP TYPE
Attention
This page documents an earlier version. Go to the latest (v2.3) version.Synopsis
The DROP TYPE statement removes an existing user-defined data type.
Syntax
Diagram
Grammar
drop_type ::= DROP TYPE [ IF EXISTS ] type_name;
Where
type_nameis an identifier (possibly qualified with a keyspace name).
Semantics
- An error is raised if the specified
type_namedoes not exist unlessIF EXISTSoption is used. - A user-defined
type_namecannot be dropped if it is currently used in a table or another type.
Examples
cqlsh:example> CREATE TYPE person(first_name TEXT, last_name TEXT, email TEXT);
cqlsh:example> DROP TYPE person;