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Move pg_settings doc into the right section.

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Bruce Momjian 2002-09-02 05:52:34 +00:00
parent c7be7ffdb0
commit ab5fe2a91f
2 changed files with 56 additions and 63 deletions
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63
doc/src/sgml/catalogs.sgml
View File

@ -1,6 +1,6 @@
<!--
Documentation of the system catalogs, directed toward PostgreSQL developers
$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.57 2002/09/02 05:44:43 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.58 2002/09/02 05:52:34 momjian Exp $
-->
<chapter id="catalogs">
@ -161,11 +161,6 @@
<entry>database users</entry>
</row>
<row>
<entry>pg_settings</entry>
<entry>current session run-time parameters</entry>
</row>
<row>
<entry>pg_statistic</entry>
<entry>optimizer statistics</entry>
@ -2871,62 +2866,6 @@
</sect1>
<sect1 id="catalog-pg-settings">
<title>pg_settings</title>
<para>
<structname>pg_settings</structname> virtual table allows display and update
of current session run-time parameters. There is one entry for each of the
available parameters provided by <command>SHOW ALL</command>. But it is
in a form that allows it to be joined with other relations and have a
selection criteria applied.
</para>
<para>
An <command>UPDATE</command> performed on <structname>pg_settings</structname>
is equivalent to executing the <command>SET</command> command on that named
parameter. The change only affects the value used by the current session. If
an <command>UPDATE</command> is issued within a transaction that is later
aborted, the effects of the <command>UPDATE</command> command disappear when
the transaction is rolled back. Once the surrounding transaction is
committed, the effects will persist until the end of the session, unless
overridden by another <command>UPDATE</command> or <command>SET</command>.
</para>
<table>
<title>pg_settings Columns</title>
<tgroup cols=4>
<thead>
<row>
<entry>Name</entry>
<entry>Type</entry>
<entry>References</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry>name</entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>The name of a current session run-time parameter</entry>
</row>
<row>
<entry>setting</entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>The value of a current session run-time parameter</entry>
</row>
</tbody>
</tgroup>
</table>
</sect1>
<sect1 id="catalog-pg-statistic">
<title>pg_statistic</title>

56
doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.133 2002/09/02 05:42:54 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.134 2002/09/02 05:52:34 momjian Exp $
-->
<Chapter Id="runtime">
@ -554,6 +554,60 @@ env PGOPTIONS='-c geqo=off' psql
settings.
</para>
<sect2 id="catalog-pg-settings">
<title>pg_settings</title>
<para>
<structname>pg_settings</structname> virtual table allows display and update
of current session run-time parameters. There is one entry for each of the
available parameters provided by <command>SHOW ALL</command>. But it is
in a form that allows it to be joined with other relations and have a
selection criteria applied.
</para>
<para>
An <command>UPDATE</command> performed on <structname>pg_settings</structname>
is equivalent to executing the <command>SET</command> command on that named
parameter. The change only affects the value used by the current session. If
an <command>UPDATE</command> is issued within a transaction that is later
aborted, the effects of the <command>UPDATE</command> command disappear when
the transaction is rolled back. Once the surrounding transaction is
committed, the effects will persist until the end of the session, unless
overridden by another <command>UPDATE</command> or <command>SET</command>.
</para>
<table>
<title>pg_settings Columns</title>
<tgroup cols=4>
<thead>
<row>
<entry>Name</entry>
<entry>Type</entry>
<entry>References</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry>name</entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>The name of a current session run-time parameter</entry>
</row>
<row>
<entry>setting</entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>The value of a current session run-time parameter</entry>
</row>
</tbody>
</tgroup>
</sect2>
<sect2 id="runtime-config-optimizer">
<title>Planner and Optimizer Tuning</title>