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><H1
><A
NAME="SQL-DROPTYPE"
>DROP TYPE</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN43349"
></A
><H2
>Name</H2
> DROP TYPE
-- remove a user-defined data type
</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN43352"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>DROP TYPE <TT
CLASS="REPLACEABLE"
><I
>typename</I
></TT
> [, ...] [ CASCADE | RESTRICT ]
</PRE
><DIV
CLASS="REFSECT2"
><A
NAME="R2-SQL-DROPTYPE-1"
></A
><H3
> Inputs
</H3
><P
> <P
></P
></P><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>typename</I
></TT
></DT
><DD
><P
> The name (optionally schema-qualified) of an existing type.
</P
></DD
><DT
>CASCADE</DT
><DD
><P
> Automatically drop objects that depend on the type
(such as table columns, functions, operators, etc).
</P
></DD
><DT
>RESTRICT</DT
><DD
><P
> Refuse to drop the type if there are any dependent objects.
This is the default.
</P
></DD
></DL
></DIV
><P>
</P
></DIV
><DIV
CLASS="REFSECT2"
><A
NAME="R2-SQL-DROPTYPE-2"
></A
><H3
> Outputs
</H3
><P
> <P
></P
></P><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="COMPUTEROUTPUT"
>DROP TYPE
</TT
></DT
><DD
><P
> The message returned if the command is successful.
</P
></DD
><DT
><TT
CLASS="COMPUTEROUTPUT"
>ERROR: RemoveType: type '<TT
CLASS="REPLACEABLE"
><I
>typename</I
></TT
>' does not exist
</TT
></DT
><DD
><P
> This message occurs if the specified type is not found.
</P
></DD
></DL
></DIV
><P>
</P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="R1-SQL-DROPTYPE-1"
></A
><H2
> Description
</H2
><P
> <TT
CLASS="COMMAND"
>DROP TYPE</TT
> will remove a user type from the
system catalogs.
</P
><P
> Only the owner of a type can remove it.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="SQL-DROPTYPE-EXAMPLES"
></A
><H2
>Examples</H2
><P
> To remove the <TT
CLASS="TYPE"
>box</TT
> type:
</P><PRE
CLASS="PROGRAMLISTING"
>DROP TYPE box;</PRE
><P>
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="SQL-DROPTYPE-COMPATIBILITY"
></A
><H2
>Compatibility</H2
><P
> Note that the <TT
CLASS="COMMAND"
>CREATE TYPE</TT
> command and the data
type extension mechanisms in <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>
differ from SQL99.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="SQL-DROPTYPE-SEE-ALSO"
></A
><H2
>See Also</H2
><A
HREF="sql-createtype.html"
><I
>CREATE TYPE</I
></A
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