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DROP
OPERATOR
Name
DROP OPERATOR -- remove an operator
Synopsis
DROP OPERATOR 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
- 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 integer:
DROP OPERATOR ! (integer, none);
Compatibility
There is no DROP OPERATOR statement
in the SQL standard.