Sophie: postgresql8.2-docs-8.2.14-1mdv2010.0 i586

postgresql8.2-docs-8.2.14-1mdv2010.0.i586.rpm

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>DROP OPERATOR CLASS</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN50982"
></A
><H2
>Name</H2
>DROP OPERATOR CLASS&nbsp;--&nbsp;remove an operator class</DIV
><A
NAME="AEN50985"
></A
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN50987"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>DROP OPERATOR CLASS [ IF EXISTS ] <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> USING <TT
CLASS="REPLACEABLE"
><I
>index_method</I
></TT
> [ CASCADE | RESTRICT ]</PRE
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><A
NAME="AEN50991"
></A
><H2
>Description</H2
><P
>   <TT
CLASS="COMMAND"
>DROP OPERATOR CLASS</TT
> drops an existing operator class.
   To execute this command you must be the owner of the operator class.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN50995"
></A
><H2
>Parameters</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="LITERAL"
>IF EXISTS</TT
></DT
><DD
><P
>      Do not throw an error if the operator class does not exist. A notice is issued 
      in this case.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
></DT
><DD
><P
>      The name (optionally schema-qualified) of an existing operator class.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>index_method</I
></TT
></DT
><DD
><P
>      The name of the index access method the operator class is for.
     </P
></DD
><DT
><TT
CLASS="LITERAL"
>CASCADE</TT
></DT
><DD
><P
>      Automatically drop objects that depend on the operator class.
     </P
></DD
><DT
><TT
CLASS="LITERAL"
>RESTRICT</TT
></DT
><DD
><P
>      Refuse to drop the operator class if any objects depend on it.
      This is the default.
     </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN51023"
></A
><H2
>Examples</H2
><P
>   Remove the B-tree operator class <TT
CLASS="LITERAL"
>widget_ops</TT
>:

</P><PRE
CLASS="PROGRAMLISTING"
>DROP OPERATOR CLASS widget_ops USING btree;</PRE
><P>

   This command will not succeed if there are any existing indexes
   that use the operator class.  Add <TT
CLASS="LITERAL"
>CASCADE</TT
> to drop
   such indexes along with the operator class.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN51029"
></A
><H2
>Compatibility</H2
><P
>   There is no <TT
CLASS="COMMAND"
>DROP OPERATOR CLASS</TT
> statement in the
   SQL standard.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN51033"
></A
><H2
>See Also</H2
><A
HREF="sql-alteropclass.html"
><I
>ALTER OPERATOR CLASS</I
></A
>, <A
HREF="sql-createopclass.html"
><I
>CREATE OPERATOR CLASS</I
></A
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