118 lines
2.8 KiB
Plaintext
118 lines
2.8 KiB
Plaintext
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$PostgreSQL: pgsql/doc/src/sgml/ref/reset.sgml,v 1.26 2003/12/14 00:15:03 neilc Exp $
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PostgreSQL documentation
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-->
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<refentry id="SQL-RESET">
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<refmeta>
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<refentrytitle id="SQL-RESET-TITLE">RESET</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>RESET</refname>
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<refpurpose>restore the value of a run-time parameter to the default value</refpurpose>
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</refnamediv>
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<indexterm zone="sql-reset">
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<primary>RESET</primary>
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</indexterm>
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<refsynopsisdiv>
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<synopsis>
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RESET <replaceable class="PARAMETER">name</replaceable>
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RESET 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>RESET</command> restores run-time parameters to their
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default values. <command>RESET</command> is an alternative
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spelling for
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<synopsis>
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SET <replaceable class="parameter">parameter</replaceable> TO DEFAULT
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</synopsis>
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Refer to <xref linkend="sql-set" endterm="sql-set-title"> for
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details.
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</para>
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<para>
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The default value is defined as the value that the parameter would
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have had, had no <command>SET</> ever been issued for it in the
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current session. The actual source of this value might be a
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compiled-in default, the configuration file, command-line options,
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or per-database or per-user default settings. See <xref
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linkend="runtime-config"> for details.
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</para>
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<para>
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See the <command>SET</> reference page for details on the
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transaction behavior of <command>RESET</>.
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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><replaceable class="PARAMETER">name</replaceable></term>
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<listitem>
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<para>
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The name of a run-time parameter. See <xref linkend="sql-set"
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endterm="sql-set-title"> for a list.
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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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Resets all settable run-time parameters to default values.
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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>Examples</title>
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<para>
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Set the <varname>geqo</> configuration variable to its default value:
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<screen>
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RESET geqo;
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</screen>
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</para>
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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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<command>RESET</command> is a <productname>PostgreSQL</productname> extension.
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</para>
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</refsect1>
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</refentry>
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