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Add a few more xrefs, where they seemed appropriate: for example, refer

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to the discussion of planner statistics in the documentation for the
default_statistics_target GUC var.
This commit is contained in:
Neil Conway 2004-03-01 17:58:39 +00:00
parent 4a43b24cec
commit 1a6a27650d
3 changed files with 18 additions and 10 deletions
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7
doc/src/sgml/ref/alter_table.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.64 2003/12/01 22:07:58 momjian Exp $ $PostgreSQL: pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.65 2004/03/01 17:58:39 neilc Exp $
PostgreSQL documentation PostgreSQL documentation
--> -->
@ -114,7 +114,10 @@ ALTER TABLE <replaceable class="PARAMETER">name</replaceable>
sets the per-column statistics-gathering target for subsequent sets the per-column statistics-gathering target for subsequent
<xref linkend="sql-analyze" endterm="sql-analyze-title"> operations. <xref linkend="sql-analyze" endterm="sql-analyze-title"> operations.
The target can be set in the range 0 to 1000; alternatively, set it The target can be set in the range 0 to 1000; alternatively, set it
to -1 to revert to using the system default statistics target. to -1 to revert to using the system default statistics
target. For more information on the use of statistics by the
<productname>PostgreSQL</productname> query planner, refer to
<xref linkend="planner-stats">.
</para> </para>
</listitem> </listitem>
</varlistentry> </varlistentry>

7
doc/src/sgml/ref/create_table.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_table.sgml,v 1.77 2003/12/01 22:07:58 momjian Exp $ $PostgreSQL: pgsql/doc/src/sgml/ref/create_table.sgml,v 1.78 2004/03/01 17:58:39 neilc Exp $
PostgreSQL documentation PostgreSQL documentation
--> -->
@ -151,7 +151,10 @@ and <replaceable class="PARAMETER">table_constraint</replaceable> is:
<term><replaceable class="PARAMETER">data_type</replaceable></term> <term><replaceable class="PARAMETER">data_type</replaceable></term>
<listitem> <listitem>
<para> <para>
The data type of the column. This may include array specifiers. The data type of the column. This may include array
specifiers. For more information on the data types included with
<productname>PostgreSQL</productname>, refer to <xref
linkend="datatype">.
</para> </para>
</listitem> </listitem>
</varlistentry> </varlistentry>

14
doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.242 2004/02/23 20:45:58 tgl Exp $ $PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.243 2004/03/01 17:58:39 neilc Exp $
--> -->
<Chapter Id="runtime"> <Chapter Id="runtime">
@ -1562,11 +1562,13 @@ SET ENABLE_SEQSCAN TO OFF;
<term><varname>default_statistics_target</varname> (<type>integer</type>)</term> <term><varname>default_statistics_target</varname> (<type>integer</type>)</term>
<listitem> <listitem>
<para> <para>
Sets the default statistics target for table columns that have not Sets the default statistics target for table columns that have
had a column-specific target set via <command>ALTER TABLE SET not had a column-specific target set via <command>ALTER TABLE
STATISTICS</>. Larger values increase the time needed to do SET STATISTICS</>. Larger values increase the time needed to
<command>ANALYZE</>, but may improve the quality of the planner's do <command>ANALYZE</>, but may improve the quality of the
estimates. The default is 10. planner's estimates. The default is 10. For more information
on the use of statistics by the <productname>PostgreSQL</>
query planner, refer to <xref linkend="planner-stats">.
</para> </para>
</listitem> </listitem>
</varlistentry> </varlistentry>