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 opera
tor 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 exten
sion.
Refer to CREATE OPERATOR [create_operator(l)] for informa
tion on how to create operators.
ods and operator classes that rely on the deleted opera
tor.
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.
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