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DROP OPERATOR CLASS(7)		 SQL Commands		DROP OPERATOR CLASS(7)

NAME
       DROP OPERATOR CLASS - remove an operator class

SYNOPSIS
       DROP OPERATOR CLASS [ IF EXISTS ] name USING index_method [ CASCADE | RESTRICT ]

DESCRIPTION
       DROP  OPERATOR CLASS drops an existing operator class.  To execute this
       command you must be the owner of the operator class.

       DROP OPERATOR CLASS does not drop any of	 the  operators	 or  functions
       referenced  by  the  class.  If	there are any indexes depending on the
       operator class, you will need to specify CASCADE for the drop  to  com‐
       plete.

PARAMETERS
       IF EXISTS
	      Do  not  throw  an error if the operator class does not exist. A
	      notice is issued in this case.

       name   The name (optionally schema-qualified) of an  existing  operator
	      class.

       index_method
	      The name of the index access method the operator class is for.

       CASCADE
	      Automatically drop objects that depend on the operator class.

       RESTRICT
	      Refuse  to  drop the operator class if any objects depend on it.
	      This is the default.

NOTES
       DROP OPERATOR CLASS will not drop the operator  family  containing  the
       class, even if there is nothing else left in the family (in particular,
       in the case where the family was implicitly created by CREATE  OPERATOR
       CLASS). An empty operator family is harmless, but for the sake of tidi‐
       ness you might wish to remove the family with DROP OPERATOR FAMILY;  or
       perhaps better, use DROP OPERATOR FAMILY in the first place.

EXAMPLES
       Remove the B-tree operator class widget_ops:

       DROP OPERATOR CLASS widget_ops USING btree;

       This  command  will  not succeed if there are any existing indexes that
       use the operator class. Add CASCADE to drop such indexes along with the
       operator class.

COMPATIBILITY
       There is no DROP OPERATOR CLASS statement in the SQL standard.

SEE ALSO
       ALTER  OPERATOR	CLASS [alter_operator_class(7)], CREATE OPERATOR CLASS
       [create_operator_class(7)], DROP	 OPERATOR  FAMILY  [drop_operator_fam‐
       ily(7)]

SQL - Language Statements	  2013-04-02		DROP OPERATOR CLASS(7)
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