DROP OPERATOR
SQL - Language Statements
DROP OPERATOR
Removes an operator from the database
1998-09-22
DROP OPERATOR id ( type | NONE [,...] )
1998-09-22
Inputs
id
The identifier of an existing operator.
type
The type of function parameters.
1998-09-22
Outputs
DROP
The message returned if the command is successful.
ERROR: RemoveOperator: binary operator 'oper' taking 'type' and 'type2' does not exist
This message occurs if the specified binary operator does not exist.
ERROR: RemoveOperator: left unary operator 'oper' taking 'type' does not exist
This message occurs if the specified left unary operator
specified does not exist.
ERROR: RemoveOperator: right unary operator 'oper' taking 'type' does not exist
This message occurs if the specified right unary operator
specified does not exist.
1998-09-22
Description
DROP OPERATOR drops an existing operator from the
database.
To execute this command you must be the owner of the operator.
The left or right type of a left or right unary
operator, respectively, may be specified as NONE.
1998-09-22
Notes
The DROP OPERATOR statement is a
Postgres
language extension.
Refer to CREATE OPERATOR for
information on how to create operators.
It is the user's responsibility to remove any access methods and
operator classes that rely on the deleted operator.
Usage
Remove power operator a^n for int4:
DROP OPERATOR ^ (int4, int4);
Remove left unary negation operator (b !) for booleans:
DROP OPERATOR ! (none, bool);
Remove right unary factorial operator (! i) for
int4:
DROP OPERATOR ! (int4, none);
Compatibility
1998-09-22
SQL92
There is no DROP OPERATOR in SQL92.