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Add new USERLIMIT GUC source level so certain options can be disabled

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or increased only by super-users.

This fixes problems caused by making certain variables SUSET for
security reasons.
This commit is contained in:
Bruce Momjian
2003-07-09 06:47:34 +00:00
parent 6896bfa86c
commit bf889e649a
4 changed files with 169 additions and 47 deletions
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12
doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.190 2003/07/04 16:41:21 tgl Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.191 2003/07/09 06:47:34 momjian Exp $
-->
<Chapter Id="runtime">
@ -1541,6 +1541,7 @@ SET ENABLE_SEQSCAN TO OFF;
to the log. The default is <literal>NOTICE</>. Note that
<literal>LOG</> has a different rank here than in
<literal>CLIENT_MIN_MESSAGES</>.
Only superusers can increase this option.
</para>
</listitem>
</varlistentry>
@ -1576,6 +1577,7 @@ SET ENABLE_SEQSCAN TO OFF;
SQL statements causing errors, fatal errors, or panics will be
logged. Enabling this option can be helpful in tracking down
the source of any errors that appear in the server log.
Only superusers can increase this option.
</para>
</listitem>
</varlistentry>
@ -1593,6 +1595,8 @@ SET ENABLE_SEQSCAN TO OFF;
than 250ms will be logged. Enabling this
option can be useful in tracking down unoptimized queries in
your applications.
Only superusers can increase this option if it is set to
non-zero by the administrator.
</para>
</listitem>
</varlistentry>
@ -1743,6 +1747,8 @@ SET ENABLE_SEQSCAN TO OFF;
To use this option, enable <varname>LOG_STATEMENT</> and
<varname>LOG_PID</> so you can link the statement to the
duration using the process ID.
Only superusers can turn off this option if it is enabled by
the administrator.
</para>
</listitem>
</varlistentry>
@ -1765,6 +1771,8 @@ SET ENABLE_SEQSCAN TO OFF;
<listitem>
<para>
Causes each SQL statement to be logged.
Only superusers can turn off this option if it is enabled by
the administrator.
</para>
</listitem>
</varlistentry>
@ -1826,6 +1834,8 @@ SET ENABLE_SEQSCAN TO OFF;
For each query, write performance statistics of the respective
module to the server log. This is a crude profiling
instrument.
Only superusers can turn off this option if it is enabled by
the administrator.
</para>
</listitem>
</varlistentry>