1999-06-14 09:37:05 +02:00
|
|
|
<refentry id="SQL-SHOW">
|
|
|
|
<refmeta>
|
|
|
|
<refentrytitle>
|
|
|
|
SHOW
|
|
|
|
</refentrytitle>
|
|
|
|
<refmiscinfo>SQL - Language Statements</refmiscinfo>
|
|
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
|
|
<refname>
|
|
|
|
SHOW
|
|
|
|
</refname>
|
|
|
|
<refpurpose>
|
|
|
|
Shows run-time parameters for session
|
|
|
|
</refpurpose>
|
|
|
|
</refnamediv>
|
|
|
|
<refsynopsisdiv>
|
|
|
|
<refsynopsisdivinfo>
|
|
|
|
<date>1998-09-24</date>
|
|
|
|
</refsynopsisdivinfo>
|
|
|
|
<synopsis>
|
1999-07-14 22:32:59 +02:00
|
|
|
SHOW <replaceable class="PARAMETER">keyword</replaceable>
|
1999-06-14 09:37:05 +02:00
|
|
|
</synopsis>
|
1998-09-01 17:53:09 +02:00
|
|
|
|
1999-06-14 09:37:05 +02:00
|
|
|
<refsect2 id="R2-SQL-SHOW-1">
|
|
|
|
<refsect2info>
|
|
|
|
<date>1998-09-24</date>
|
|
|
|
</refsect2info>
|
|
|
|
<title>
|
|
|
|
Inputs
|
|
|
|
</title>
|
1998-12-29 03:24:47 +01:00
|
|
|
|
1999-07-14 22:32:59 +02:00
|
|
|
<para>
|
1999-06-14 09:37:05 +02:00
|
|
|
<variablelist>
|
|
|
|
<varlistentry>
|
1999-07-14 22:32:59 +02:00
|
|
|
<term><replaceable class="PARAMETER">keyword</replaceable></term>
|
1999-06-14 09:37:05 +02:00
|
|
|
<listitem>
|
|
|
|
<para>
|
|
|
|
Refer to <command>SET</command> for more information on available
|
1999-07-14 22:32:59 +02:00
|
|
|
arguments.
|
1999-06-14 09:37:05 +02:00
|
|
|
</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
</para>
|
|
|
|
</refsect2>
|
1998-12-29 03:24:47 +01:00
|
|
|
|
1999-06-14 09:37:05 +02:00
|
|
|
<refsect2 id="R2-SQL-SHOW-2">
|
|
|
|
<refsect2info>
|
|
|
|
<date>1998-09-24</date>
|
|
|
|
</refsect2info>
|
|
|
|
<title>
|
|
|
|
Outputs
|
|
|
|
</title>
|
1998-12-29 03:24:47 +01:00
|
|
|
|
1999-07-14 22:32:59 +02:00
|
|
|
<para>
|
1999-06-14 09:37:05 +02:00
|
|
|
<variablelist>
|
|
|
|
<varlistentry>
|
1999-07-14 22:32:59 +02:00
|
|
|
<term><computeroutput>
|
|
|
|
NOTICE: <replaceable class="PARAMETER">variable</replaceable> is <replaceable>value</replaceable>
|
|
|
|
SHOW VARIABLE
|
|
|
|
</computeroutput></term>
|
1999-06-14 09:37:05 +02:00
|
|
|
<listitem>
|
|
|
|
<para>
|
1999-07-14 22:32:59 +02:00
|
|
|
Message returned if successful.
|
1999-06-14 09:37:05 +02:00
|
|
|
</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
1999-07-14 22:32:59 +02:00
|
|
|
<term><computeroutput>
|
|
|
|
NOTICE: Unrecognized variable <replaceable>value</replaceable>
|
|
|
|
</computeroutput></term>
|
1999-06-14 09:37:05 +02:00
|
|
|
<listitem>
|
|
|
|
<para>
|
|
|
|
Message returned if <returnvalue>value</returnvalue> does not exist.
|
|
|
|
</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
1999-07-14 22:32:59 +02:00
|
|
|
|
1999-06-14 09:37:05 +02:00
|
|
|
<varlistentry>
|
1999-07-14 22:32:59 +02:00
|
|
|
<term><computeroutput>
|
|
|
|
NOTICE: Time zone is unknown
|
|
|
|
SHOW VARIABLE
|
|
|
|
</computeroutput></term>
|
1999-06-14 09:37:05 +02:00
|
|
|
<listitem>
|
|
|
|
<para>
|
1999-07-14 22:32:59 +02:00
|
|
|
If the <envar>TZ</envar> or <envar>PGTZ</envar> environment
|
|
|
|
variable is not set.
|
1999-06-14 09:37:05 +02:00
|
|
|
</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
</para>
|
|
|
|
</refsect2>
|
|
|
|
</refsynopsisdiv>
|
1998-12-29 03:24:47 +01:00
|
|
|
|
1999-06-14 09:37:05 +02:00
|
|
|
<refsect1 id="R1-SQL-SHOW-1">
|
|
|
|
<refsect1info>
|
|
|
|
<date>1998-09-24</date>
|
|
|
|
</refsect1info>
|
|
|
|
<title>
|
|
|
|
Description
|
|
|
|
</title>
|
|
|
|
<para>
|
|
|
|
<command>SHOW</command> will display the current
|
|
|
|
configuration parameters for
|
|
|
|
variable during a session.
|
|
|
|
</para>
|
|
|
|
<para>
|
|
|
|
The session can be configured using <command>SET</command> statement,
|
|
|
|
and values
|
|
|
|
can be restored to the defaults using <command>RESET</command> statement.
|
|
|
|
Parameters and values are case-insensitive.
|
|
|
|
</para>
|
1998-12-29 03:24:47 +01:00
|
|
|
|
1999-06-14 09:37:05 +02:00
|
|
|
<refsect2 id="R2-SQL-SHOW-3">
|
|
|
|
<refsect2info>
|
|
|
|
<date>1998-09-24</date>
|
|
|
|
</refsect2info>
|
|
|
|
<title>
|
|
|
|
Notes
|
|
|
|
</title>
|
|
|
|
<para>
|
|
|
|
The <command>SHOW</command> is a <productname>Postgres</productname>
|
|
|
|
language extension.
|
|
|
|
</para>
|
|
|
|
<para>
|
|
|
|
Refer to <command>SET</command>/<command>RESET</command>
|
|
|
|
to set/reset variable values.
|
|
|
|
See also <command>SET TIME ZONE</command>.
|
|
|
|
</para>
|
|
|
|
</refsect2>
|
|
|
|
</refsect1>
|
|
|
|
|
|
|
|
<refsect1 id="R1-SQL-SHOW-2">
|
|
|
|
<title>
|
|
|
|
Usage
|
|
|
|
</title>
|
|
|
|
<para>
|
1999-07-14 22:32:59 +02:00
|
|
|
Show the current <literal>DateStyle</literal> setting:
|
|
|
|
|
1999-06-14 09:37:05 +02:00
|
|
|
<programlisting>
|
|
|
|
SHOW DateStyle;
|
|
|
|
NOTICE:DateStyle is Postgres with US (NonEuropean) conventions
|
1999-07-14 22:32:59 +02:00
|
|
|
</programlisting>
|
|
|
|
</para>
|
1999-06-14 09:37:05 +02:00
|
|
|
|
1999-07-14 22:32:59 +02:00
|
|
|
<para>
|
|
|
|
Show the current genetic optimizer (<literal>geqo</literal>) setting:
|
|
|
|
<programlisting>
|
1999-06-14 09:37:05 +02:00
|
|
|
SHOW GEQO;
|
|
|
|
NOTICE:GEQO is ON
|
|
|
|
</programlisting>
|
|
|
|
</para>
|
|
|
|
</refsect1>
|
|
|
|
|
|
|
|
<refsect1 id="R1-SQL-SHOW-3">
|
|
|
|
<title>
|
|
|
|
Compatibility
|
|
|
|
</title>
|
|
|
|
<para>
|
|
|
|
</para>
|
|
|
|
|
|
|
|
<refsect2 id="R2-SQL-SHOW-4">
|
|
|
|
<refsect2info>
|
|
|
|
<date>1998-09-24</date>
|
|
|
|
</refsect2info>
|
|
|
|
<title>
|
|
|
|
SQL92
|
|
|
|
</title>
|
|
|
|
<para>
|
|
|
|
There is no <command>SHOW</command> defined in <acronym>SQL92</acronym>.
|
|
|
|
</para>
|
|
|
|
</refsect2>
|
|
|
|
</refsect1>
|
|
|
|
</refentry>
|
|
|
|
|
|
|
|
<!-- Keep this comment at the end of the file
|
|
|
|
Local variables:
|
|
|
|
mode: sgml
|
|
|
|
sgml-omittag:nil
|
|
|
|
sgml-shorttag:t
|
|
|
|
sgml-minimize-attributes:nil
|
|
|
|
sgml-always-quote-attributes:t
|
|
|
|
sgml-indent-step:1
|
|
|
|
sgml-indent-data:t
|
|
|
|
sgml-parent-document:nil
|
|
|
|
sgml-default-dtd-file:"../reference.ced"
|
|
|
|
sgml-exposed-tags:nil
|
1999-07-14 22:32:59 +02:00
|
|
|
sgml-local-catalogs:"/usr/lib/sgml/catalog"
|
1999-06-14 09:37:05 +02:00
|
|
|
sgml-local-ecat-files:nil
|
|
|
|
End:
|
|
|
|
-->
|