Интерактивная система просмотра системных руководств (man-ов)
drop_operator (7)
>> drop_operator (7) ( Linux man: Макропакеты и соглашения )
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 bigint:
DROP OPERATOR ! (bigint, none);
COMPATIBILITY
There is no DROP OPERATOR statement in the SQL standard.
SEE ALSO
CREATE OPERATOR [create_operator(7)], ALTER OPERATOR [alter_operator(l)]
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- PARAMETERS
-
- EXAMPLES
-
- COMPATIBILITY
-
- SEE ALSO
-
