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First files for reference pages.
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Thomas G. Lockhart
202
doc/src/sgml/ref/drop_function.sgml
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202
doc/src/sgml/ref/drop_function.sgml
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<REFENTRY ID="SQL-DROPFUNCTION-1">
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<REFMETA>
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<REFENTRYTITLE>
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DROP FUNCTION
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</REFENTRYTITLE>
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<REFMISCINFO>SQL - Language Statements</REFMISCINFO>
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</REFMETA>
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<REFNAMEDIV>
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<REFNAME>
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DROP FUNCTION
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</REFNAME>
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<REFPURPOSE>
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Removes a user-defined C function
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</REFPURPOSE>
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<REFSYNOPSISDIV>
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<REFSYNOPSISDIVINFO>
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<DATE>1998-04-15</DATE>
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</REFSYNOPSISDIVINFO>
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<SYNOPSIS>
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DROP FUNCTION <replaceable class="parameter">name</replaceable> ( [<replaceable class="parameter">type</replaceable> [, ...]] )
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</SYNOPSIS>
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<REFSECT2 ID="R2-SQL-DROPFUNCTION-1">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Inputs
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</TITLE>
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<PARA>
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</PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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</TERM>
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<LISTITEM>
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<PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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<replaceable class="parameter"> name</replaceable>
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</TERM>
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<LISTITEM>
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<PARA>
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The name of an existing function.
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</PARA>
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</LISTITEM>
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</VARLISTENTRY>
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<VARLISTENTRY>
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<TERM>
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<replaceable class="parameter">type</replaceable>
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</TERM>
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<LISTITEM>
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<PARA>
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The type of function parameters.
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</PARA>
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</LISTITEM>
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</VARLISTENTRY>
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</variablelist>
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</LISTITEM>
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</VARLISTENTRY>
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</VARIABLELIST>
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</REFSECT2>
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<REFSECT2 ID="R2-SQL-DROPFUNCTION-2">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Outputs
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</TITLE>
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<PARA>
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</PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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</TERM>
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<LISTITEM>
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<PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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<ReturnValue>DROP</ReturnValue>
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</TERM>
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<LISTITEM>
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<PARA>
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Message returned if the command completes successfully.
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</PARA>
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</LISTITEM>
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</VARLISTENTRY>
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<VARLISTENTRY>
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<TERM>
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<ReturnValue>
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WARN RemoveFunction: Function "<replaceable class="parameter">name</replaceable>" ("<replaceable class="parameter">types</replaceable>") does not exist</ReturnValue>
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</TERM>
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<LISTITEM>
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<PARA>
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This message is given if the function specified does not
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exist into database.
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</PARA>
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</LISTITEM>
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</VARLISTENTRY>
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</variablelist>
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</LISTITEM>
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</VARLISTENTRY>
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</VARIABLELIST>
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</REFSECT2>
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</REFSYNOPSISDIV>
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<REFSECT1 ID="R1-SQL-DROPFUNCTION-1">
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<REFSECT1INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT1INFO>
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<TITLE>
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Description
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</TITLE>
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<PARA>
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DROP FUNCTION will remove references to an existing C
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function. To execute this command the user must be the
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owner of the function. The input argument types to the
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function must be specified, as only the function with the
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given name and argument types will be removed.
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</PARA>
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<REFSECT2 ID="R2-SQL-DROPFUNCTION-3">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Notes
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</TITLE>
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<PARA>
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Refer to the <citerefentry>
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<refentrytitle>
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CREATE FUNCTION</refentrytitle>
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</citerefentry>
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statement to create aggregate functions.
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</PARA>
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</REFSECT2>
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<REFSECT1 ID="R1-SQL-DROPFUNCTION-2">
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<TITLE>
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Usage
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</TITLE>
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<PARA>
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This command removes the square root function:
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</PARA>
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<ProgramListing>
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DROP FUNCTION sqrt(int4);
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</ProgramListing>
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</REFSECT1>
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<REFSECT1 ID="R1-SQL-DROPFUNCTION-3">
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<TITLE>
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Bugs
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</TITLE>
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<PARA>
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No checks are made to ensure that types, operators or access
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methods that rely on the function have been removed first.
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</PARA>
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</REFSECT1>
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<REFSECT1 ID="R1-SQL-DROPFUNCTION-4">
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<TITLE>
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Compatibility
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</TITLE>
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<PARA
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>DROP FUNCTION statement is a PostgreSQL language extension.
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</PARA>
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<REFSECT2 ID="R2-SQL-DROPFUNCTION-4">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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SQL/PSM
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</TITLE>
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<PARA>
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The SQL/PSM DROP FUNCTION statement has the following syntax:
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<programlisting>
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DROP [ SPECIFIC ] FUNCTION <replaceable class="parameter">name</replaceable> { RESTRICT | CASCADE }</programlisting>
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</PARA>
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</refsect2>
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</refsect1>
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</REFENTRY>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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sgml-parent-document:nil
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sgml-default-dtd-file:"../reference.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:"/usr/lib/sgml/catalog"
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sgml-local-ecat-files:nil
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End:
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-->
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