DROP OPERATOR
Removes an operator.
Synopsis
DROP OPERATOR [IF EXISTS] name ( {lefttype | NONE} , {righttype | NONE} ) [CASCADE | RESTRICT]
Description
DROP OPERATOR drops an existing operator from the database system. To execute this command you must be the owner of the operator.
Parameters
- IF EXISTS
- Do not throw an error if the operator does not exist. A notice is issued in this case.
- name
- The name (optionally schema-qualified) of an existing operator.
- lefttype
- The data type of the operator's left operand; write NONE if the operator has no left operand.
- righttype
- The data type of the operator's right operand; write NONE if the operator has no right operand.
- CASCADE
- Automatically drop objects that depend on the operator.
- RESTRICT
- Refuse to drop the operator if any objects depend on it. This is the default.
Examples
Remove the power operator a^b for type integer:
DROP OPERATOR ^ (integer, integer);
Remove the left unary bitwise complement operator ~b for type bit:
DROP OPERATOR ~ (none, bit);
Remove the right unary factorial operator x! for type bigint:
DROP OPERATOR ! (bigint, none);
Compatibility
There is no DROP OPERATOR statement in the SQL standard.