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Documentation update for previously committed changes: read-only GUC variables 

and pg_settings view.
This commit is contained in:
Joe Conway 2003-12-06 23:10:23 +00:00
parent 79273cc7d2
commit f0943278c1
2 changed files with 95 additions and 2 deletions
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20
doc/src/sgml/catalogs.sgml
View File

@ -1,6 +1,6 @@
<!--
Documentation of the system catalogs, directed toward PostgreSQL developers
$PostgreSQL: pgsql/doc/src/sgml/catalogs.sgml,v 2.80 2003/11/29 19:51:36 pgsql Exp $
$PostgreSQL: pgsql/doc/src/sgml/catalogs.sgml,v 2.81 2003/12/06 23:10:21 joe Exp $
-->
<chapter id="catalogs">
@ -4050,6 +4050,24 @@
<entry></entry>
<entry>current value of the parameter</entry>
</row>
<row>
<entry><structfield>category</structfield></entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>logical group of the parameter</entry>
</row>
<row>
<entry><structfield>short_desc</structfield></entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>a brief description of the parameter</entry>
</row>
<row>
<entry><structfield>extra_desc</structfield></entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>additional, more detailed, information about the parameter</entry>
</row>
<row>
<entry><structfield>context</structfield></entry>
<entry><type>text</type></entry>

77
doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.225 2003/12/04 21:24:56 petere Exp $
$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.226 2003/12/06 23:10:23 joe Exp $
-->
<Chapter Id="runtime">
@ -2517,6 +2517,81 @@ dynamic_library_path = '/usr/local/lib/postgresql:/home/my_project/lib:$libdir'
</sect3>
</sect2>
<sect2 id="runtime-config-compiler">
<title>Compiled-in Options</title>
<para>
The following options are available read-only, and are determined
at source code compile time. As such, they have been excluded from the
sample <filename>postgresql.conf</> file. They determine various aspects
of <productname>PostgreSQL</productname> behavior that may be of interest
to certain applications, particularly administrative front-ends.
</para>
<variablelist>
<varlistentry>
<term><varname>block_size</varname> (<type>integer</type>)</term>
<listitem>
<para>
Shows the size of a disk block. It is determined by the value
of <literal>BLCKSZ</> when building the server. The default
value is 8192 bytes. The <varname>shared_buffers</varname> setting is
influenced by <varname>block_size</varname>. See
<xref linkend="runtime-config-resource"> for information.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>integer_datetimes</varname> (<type>boolean</type>)</term>
<listitem>
<para>
Shows <literal>on</literal> if <productname>PostgreSQL</productname>
was built with support for 64-bit integer dates and times. It is
set by configuring with <literal>--enable-integer-datetimes</literal>.
The default value is <literal>off</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>max_function_args</varname> (<type>integer</type>)</term>
<listitem>
<para>
Shows the maximum number of function arguments. It is determined by
the value of <literal>FUNC_MAX_ARGS</> when building the server. The
default value is 32.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>max_identifier_length</varname> (<type>integer</type>)</term>
<listitem>
<para>
Shows the maximum identifier length. It is determined as one less than
the value of <literal>NAMEDATALEN</> when building the server. The
default value of NAMEDATALEN is 64; therefore the default
<varname>max_identifier_length</varname> is 63.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>max_index_keys</varname> (<type>integer</type>)</term>
<listitem>
<para>
Shows the maximum number of index keys. It is determined by
the value of <literal>INDEX_MAX_KEYS</> when building the server. The
default value is 32.
</para>
</listitem>
</varlistentry>
</variablelist>
</sect2>
<sect2 id="runtime-config-developer">
<title>Developer Options</title>