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><TITLE
>   DROP TYPE
  </TITLE
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><H1
>DROP TYPE</H1
><DIV
CLASS="REFNAMEDIV"
><H2
>Name</H2
>   DROP TYPE
   &#8212;    Removes a user-defined type from the system catalogs
  </DIV
><DIV
CLASS="REFSYNOPSISDIV"
><PRE
CLASS="SYNOPSIS"
>DROP TYPE <TT
CLASS="REPLACEABLE"
><I
>typename</I
></TT
>
  </PRE
><DIV
CLASS="REFSECT2"
><H3
>    Inputs
   </H3
><P
>   </P
><P
></P
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>typename</I
></TT
></DT
><DD
><P
>	   The name of an existing type.
	  </P
></DD
></DL
></DIV
><DIV
CLASS="REFSECT2"
><H3
>    Outputs
   </H3
><P
>       <P
></P
></P><DL
><DT
><SPAN
CLASS="RETURNVALUE"
>DROP</SPAN
></DT
><DD
><P
>	   The message returned if the command is successful.
	  </P
></DD
><DT
><SPAN
CLASS="RETURNVALUE"
>ERROR:  RemoveType: type '<TT
CLASS="REPLACEABLE"
><I
>typename</I
></TT
>' does not exist</SPAN
></DT
><DD
><P
>           This message occurs if the specified type is not found.

   </P
></DD
></DL
><P>
  </P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><H2
>   Description
  </H2
><P
>   <B
CLASS="COMMAND"
>DROP TYPE</B
> will remove a user type from the
   system catalogs.
  </P
><P
>   Only the owner of a type can remove it.
  </P
><DIV
CLASS="REFSECT2"
><H3
>    Notes
   </H3
><P
>    DROP TYPE statement is a <SPAN
CLASS="PRODUCTNAME"
>Postgres</SPAN
>
 language extension.
   </P
><P
>    Refer to <B
CLASS="COMMAND"
>CREATE TYPE</B
> for
    inforamation on how to create types.
   </P
><P
>    It is the user's responsibility to remove any operators,
    functions, aggregates, access methods, subtypes, and classes
    that use a deleted type.
   </P
></DIV
><DIV
CLASS="REFSECT2"
><H3
>    Bugs
   </H3
><P
>    If a built-in type is removed, the behavior of the backend
    is unpredictable.
   </P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><H2
>   Usage
  </H2
><P
>   To remove the <TT
CLASS="LITERAL"
>box</TT
> type:
  </P
><PRE
CLASS="PROGRAMLISTING"
>DROP TYPE box
  </PRE
></DIV
><DIV
CLASS="REFSECT1"
><H2
>   Compatibility
  </H2
><P
>  </P
><DIV
CLASS="REFSECT2"
><H3
>    SQL3
   </H3
><P
>   DROP TYPE is a <SPAN
CLASS="ACRONYM"
>SQL3</SPAN
> statement.
   </P
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