postgresql/doc/src/sgml/ref/reset.sgml

<REFENTRY ID="SQL-RESET">
<REFMETA>
<REFENTRYTITLE>
RESET
</REFENTRYTITLE>
<REFMISCINFO>SQL - Language Statements</REFMISCINFO>
</REFMETA>
<REFNAMEDIV>
<REFNAME>
RESET
</REFNAME>
<REFPURPOSE>
Restores run-time parameters for session to default values
</REFPURPOSE>

<REFSYNOPSISDIV>
<REFSYNOPSISDIVINFO>
<DATE>1998-09-24</DATE>
</REFSYNOPSISDIVINFO>
<SYNOPSIS>
RESET <REPLACEABLE CLASS="PARAMETER">variable</REPLACEABLE>
</SYNOPSIS>

<REFSECT2 ID="R2-SQL-RESET-1">
<REFSECT2INFO>
<DATE>1998-09-24</DATE>
</REFSECT2INFO>
<TITLE>
Inputs
</TITLE>
<PARA>

<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<REPLACEABLE CLASS="PARAMETER">variable</REPLACEABLE>
</TERM>
<LISTITEM>
<PARA>
          Refer to the SET statement for more information on available
          variables.
</variablelist>

</REFSECT2>

<REFSECT2 ID="R2-SQL-RESET-2">
<REFSECT2INFO>
<DATE>1998-09-24</DATE>
</REFSECT2INFO>
<TITLE>
Outputs
</TITLE>
<PARA>

<VARIABLELIST>
<VARLISTENTRY>
<TERM>
RESET VARIABLE
</TERM>
<LISTITEM>
<PARA>
          Message returned if 
<REPLACEABLE CLASS="PARAMETER">variable</REPLACEABLE> is successfully reset
to its default value..

</VARIABLELIST>

</REFSECT2>
</REFSYNOPSISDIV>

<REFSECT1 ID="R1-SQL-RESET-1">
<REFSECT1INFO>
<DATE>1998-09-24</DATE>
</REFSECT1INFO>
<TITLE>
Description
</TITLE>
<PARA>
 <command>RESET</command> restores variables to the
 default values.
Refer to the <command>SET</command> command for details on
 allowed values and defaults.
<command>RESET</command> is an alternate form for
<synopsis>
<command>SET <replaceable class="parameter">variable</replaceable> = DEFAULT</command>
</synopsis>

<REFSECT2 ID="R2-SQL-RESET-3">
<REFSECT2INFO>
<DATE>1998-09-24</DATE>
</REFSECT2INFO>
<TITLE>
Notes
</TITLE>
<PARA>
The RESET statement is a <productname>Postgres</productname> language extension.
<para>
   Refer to SET/SHOW statements to set/show variable values.

</REFSECT2>
</refsect1>

<REFSECT1 ID="R1-SQL-RESET-2">
<TITLE>
Usage
</TITLE>
<PARA>
<ProgramListing>
-- reset DateStyle to its default;
RESET DateStyle;
</programlisting>
<programlisting>   
-- reset Geqo to its default;
RESET GEQO;
</ProgramListing>

</REFSECT1>

<REFSECT1 ID="R1-SQL-RESET-3">
<TITLE>
Compatibility
</TITLE>
<PARA>

<REFSECT2 ID="R2-SQL-RESET-4">
<REFSECT2INFO>
<DATE>1998-09-24</DATE>
</REFSECT2INFO>
<TITLE>
SQL92
</TITLE>
<PARA>
   There is no <command>RESET</command> in <acronym>SQL92</acronym>.

</REFENTRY>