DROP OPERATOR() SQL Commands DROP OPERATOR()NAME
DROP OPERATOR - Removes an operator from the database
SYNOPSIS
DROP OPERATOR id ( lefttype | NONE , righttype | NONE )
INPUTS
id The identifier of an existing operator.
lefttype
The type of the operator's left argument; write NONE if the
operator has no left argument.
righttype
The type of the operator's right argument; write NONE if the
operator has no right argument.
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 left unary operator specified does
not exist.
ERROR: RemoveOperator: right unary operator 'oper' taking 'type' does
not exist
This message occurs if the right unary operator specified does
not exist.
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,
must be specified as NONE.
NOTES
The DROP OPERATOR statement is a Postgres language extension.
Refer to CREATE OPERATOR [create_operator(l)] for information on how to
create operators.
It is the user's responsibility to remove any access methods and opera‐
tor 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
SQL92
There is no DROP OPERATOR in SQL92.
SQL - Language Statements 29 March 2001 DROP OPERATOR()
