mirror of
https://git.postgresql.org/git/postgresql.git
synced 2025-02-23 19:39:53 +08:00
Fix mistakes in SGML markup. From David Fetter.
This commit is contained in:
parent
251d3f75d0
commit
9abced035d
@ -1,4 +1,4 @@
|
||||
<!-- $PostgreSQL: pgsql/doc/src/sgml/charset.sgml,v 2.67 2005/03/14 03:59:22 momjian Exp $ -->
|
||||
<!-- $PostgreSQL: pgsql/doc/src/sgml/charset.sgml,v 2.68 2005/03/14 06:49:48 neilc Exp $ -->
|
||||
|
||||
<chapter id="charset">
|
||||
<title>Localization</>
|
||||
@ -1053,7 +1053,6 @@ RESET client_encoding;
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<variablelist>
|
||||
<varlistentry>
|
||||
<term><ulink url="ftp://ftp.ora.com/pub/examples/nutshell/ujip/doc/cjk.inf"></ulink></term>
|
||||
|
||||
|
@ -1,5 +1,5 @@
|
||||
<!--
|
||||
$PostgreSQL: pgsql/doc/src/sgml/planstats.sgml,v 1.2 2005/02/27 01:17:34 momjian Exp $
|
||||
$PostgreSQL: pgsql/doc/src/sgml/planstats.sgml,v 1.3 2005/03/14 06:49:48 neilc Exp $
|
||||
-->
|
||||
|
||||
<chapter id="planner-stats-details">
|
||||
@ -57,10 +57,10 @@ SELECT reltuples, relpages FROM pg_class WHERE relname = 'tenk1';
|
||||
----------+-----------
|
||||
345 | 10000
|
||||
</programlisting>
|
||||
The planner will check the <structfield>relpages<structfield> estimate
|
||||
(this is a cheap operation) and if incorrect may scale
|
||||
<structfield>reltuples<structfield> to obtain a row estimate. In this case it
|
||||
does not, thus:
|
||||
The planner will check the <structfield>relpages</structfield>
|
||||
estimate (this is a cheap operation) and if incorrect may scale
|
||||
<structfield>reltuples</structfield> to obtain a row estimate. In this
|
||||
case it does not, thus:
|
||||
|
||||
<programlisting>
|
||||
rows = 10000
|
||||
@ -297,7 +297,7 @@ t2.unique2 = t1.unique2
|
||||
|
||||
This is due to the join method being nested-loop, with
|
||||
<classname>tenk1</classname> being in the outer loop. The operator is just
|
||||
our familiar <literal>=<literal>, however the restriction function is
|
||||
our familiar <literal>=</literal>, however the restriction function is
|
||||
obtained from the <structfield>oprjoin</structfield> column of
|
||||
<classname>pg_operator</classname> - and is <function>eqjoinsel</function>.
|
||||
Additionally we use the statistical information for both
|
||||
|
@ -1,5 +1,5 @@
|
||||
<!--
|
||||
$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.308 2005/03/13 09:36:30 neilc Exp $
|
||||
$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.309 2005/03/14 06:49:48 neilc Exp $
|
||||
-->
|
||||
|
||||
<chapter Id="runtime">
|
||||
@ -4500,7 +4500,7 @@ option SEMMAP=256
|
||||
<prompt>$</prompt> <userinput>sysctl -w kernel.shmall=2097152</userinput>
|
||||
</screen>
|
||||
In addition these settings can be saved between reboots in
|
||||
<filename>/etc/sysctl.conf.
|
||||
<filename>/etc/sysctl.conf</filename>.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
|
Loading…
Reference in New Issue
Block a user