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ALTER OPERATOR

ALTER OPERATOR — change the definition of an operator

Synopsis

ALTER OPERATORname ( {left_type | NONE } , {right_type | NONE } )    OWNER TO {new_owner | CURRENT_USER | SESSION_USER }ALTER OPERATORname ( {left_type | NONE } , {right_type | NONE } )    SET SCHEMAnew_schemaALTER OPERATORname ( {left_type | NONE } , {right_type | NONE } )    SET ( {  RESTRICT = {res_proc | NONE }           | JOIN = {join_proc | NONE }         } [, ... ] )

Description

ALTER OPERATOR changes the definition of an operator.

You must own the operator to useALTER OPERATOR. To alter the owner, you must also be a direct or indirect member of the new owning role, and that role must haveCREATE privilege on the operator's schema. (These restrictions enforce that altering the owner doesn't do anything you couldn't do by dropping and recreating the operator. However, a superuser can alter ownership of any operator anyway.)

Parameters

Examples

Change the owner of a custom operatora @@ b for typetext:

ALTER OPERATOR @@ (text, text) OWNER TO joe;

Change the restriction and join selectivity estimator functions of a custom operatora && b for typeint[]:

ALTER OPERATOR && (_int4, _int4) SET (RESTRICT = _int_contsel, JOIN = _int_contjoinsel);

Compatibility

There is noALTER OPERATOR statement in the SQL standard.

See Also