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>DROP OPERATOR</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN74040"
></A
><H2
>Name</H2
>DROP OPERATOR -- remove an operator</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN74045"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>DROP OPERATOR [ IF EXISTS ] <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> ( { <TT
CLASS="REPLACEABLE"
><I
>left_type</I
></TT
> | NONE } , { <TT
CLASS="REPLACEABLE"
><I
>right_type</I
></TT
> | NONE } ) [ CASCADE | RESTRICT ]</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74050"
></A
><H2
>Description</H2
><P
> <TT
CLASS="COMMAND"
>DROP OPERATOR</TT
> drops an existing operator from
the database system. To execute this command you must be the owner
of the operator.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74054"
></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 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.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>left_type</I
></TT
></DT
><DD
><P
> The data type of the operator's left operand; write
<TT
CLASS="LITERAL"
>NONE</TT
> if the operator has no left operand.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>right_type</I
></TT
></DT
><DD
><P
> The data type of the operator's right operand; write
<TT
CLASS="LITERAL"
>NONE</TT
> if the operator has no right operand.
</P
></DD
><DT
><TT
CLASS="LITERAL"
>CASCADE</TT
></DT
><DD
><P
> Automatically drop objects that depend on the operator.
</P
></DD
><DT
><TT
CLASS="LITERAL"
>RESTRICT</TT
></DT
><DD
><P
> Refuse to drop the operator if any objects depend on it. This
is the default.
</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74089"
></A
><H2
>Examples</H2
><P
> Remove the power operator <TT
CLASS="LITERAL"
>a^b</TT
> for type <TT
CLASS="TYPE"
>integer</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>DROP OPERATOR ^ (integer, integer);</PRE
><P>
</P
><P
> Remove the left unary bitwise complement operator
<TT
CLASS="LITERAL"
>~b</TT
> for type <TT
CLASS="TYPE"
>bit</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>DROP OPERATOR ~ (none, bit);</PRE
><P>
</P
><P
> Remove the right unary factorial operator <TT
CLASS="LITERAL"
>x!</TT
>
for type <TT
CLASS="TYPE"
>bigint</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>DROP OPERATOR ! (bigint, none);</PRE
><P></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74103"
></A
><H2
>Compatibility</H2
><P
> There is no <TT
CLASS="COMMAND"
>DROP OPERATOR</TT
> statement in the SQL standard.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74107"
></A
><H2
>See Also</H2
><A
HREF="sql-createoperator.html"
>CREATE OPERATOR</A
>, <A
HREF="sql-alteroperator.html"
>ALTER OPERATOR</A
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