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Add explanation of the various *_min_messages elog() values.

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Bruce Momjian 2002-07-05 01:17:20 +00:00
parent 0a4e3577f4
commit 37e37daa03
1 changed files with 81 additions and 5 deletions
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80
doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.119 2002/06/16 00:09:11 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.120 2002/07/05 01:17:20 momjian Exp $
-->
<Chapter Id="runtime">
@ -801,6 +801,81 @@ env PGOPTIONS='-c geqo=off' psql
detail to the logs. <literal>LOG</> has a different precedence
here than in <literal>CLIENT_MIN_MESSAGES</>.
</para>
<para>
Here is a summary of the various message types:
<variablelist>
<varlistentry>
<term><varname>DEBUG[1-5]</varname></term>
<listitem>
<para>
This provides information for use by developers.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>INFO</varname></term>
<listitem>
<para>
This provides information requested by the user, e.g.
<command>SET</>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>NOTICE</varname></term>
<listitem>
<para>
This provides information that may be helpful to users, e.g.
truncation of long identifiers, sequence creation as part of
<command>SERIAL</>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>WARNING</varname></term>
<listitem>
<para>
This provides warnings to the user, e.g. <command>COMMIT</>
outside a transaction.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>ERROR</varname></term>
<listitem>
<para>
Reports the error that caused the transaction to abort.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>LOG</varname></term>
<listitem>
<para>
This reports information of interest to administrators, e.g.
checkpoint activity.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>FATAL</varname></term>
<listitem>
<para>
This reports why the backend session terminated.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>PANIC</varname></term>
<listitem>
<para>
This reports why all backends restarted.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</listitem>
</varlistentry>
@ -815,7 +890,8 @@ env PGOPTIONS='-c geqo=off' psql
<literal>NOTICE</>, <literal>WARNING</>, and <literal>ERROR</>.
Later values send less information to the user. <literal>LOG</>
has a different precedence here than in
<literal>SERVER_MIN_MESSAGES</>.
<literal>SERVER_MIN_MESSAGES</>. Also see that section for an
explanation of the various values.
</para>
</listitem>
</varlistentry>