99 lines
2.1 KiB
Plaintext
99 lines
2.1 KiB
Plaintext
<!--
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doc/src/sgml/ref/deallocate.sgml
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PostgreSQL documentation
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-->
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<refentry id="sql-deallocate">
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<indexterm zone="sql-deallocate">
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<primary>DEALLOCATE</primary>
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</indexterm>
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<indexterm zone="sql-deallocate">
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<primary>prepared statements</primary>
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<secondary>removing</secondary>
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</indexterm>
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<refmeta>
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<refentrytitle>DEALLOCATE</refentrytitle>
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<manvolnum>7</manvolnum>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>DEALLOCATE</refname>
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<refpurpose>deallocate a prepared statement</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<synopsis>
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DEALLOCATE [ PREPARE ] { <replaceable class="parameter">name</replaceable> | ALL }
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</synopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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<command>DEALLOCATE</command> is used to deallocate a previously
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prepared SQL statement. If you do not explicitly deallocate a
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prepared statement, it is deallocated when the session ends.
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</para>
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<para>
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For more information on prepared statements, see <xref
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linkend="sql-prepare"/>.
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</para>
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</refsect1>
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<refsect1>
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<title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><literal>PREPARE</literal></term>
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<listitem>
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<para>
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This key word is ignored.
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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><replaceable class="parameter">name</replaceable></term>
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<listitem>
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<para>
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The name of the prepared statement to deallocate.
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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><literal>ALL</literal></term>
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<listitem>
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<para>
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Deallocate all prepared statements.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Compatibility</title>
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<para>
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The SQL standard includes a <command>DEALLOCATE</command>
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statement, but it is only for use in embedded SQL.
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</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<simplelist type="inline">
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<member><xref linkend="sql-execute"/></member>
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<member><xref linkend="sql-prepare"/></member>
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</simplelist>
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</refsect1>
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</refentry>
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