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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
<!-- Include general documentation entities -->
<!ENTITY % docentities SYSTEM "../../../docbook/entities.xml">
%docentities;
]>
<!-- Module User's Guide -->
<chapter>
<title>&adminguide;</title>
<section>
<title>Overview</title>
<para>The module is an implementation of the internal DB API v1 and v2
connector for PostgreSQL server. It has support for reconnecting
when the connection is broken.</para>
</section>
<section>
<title>Dependencies</title>
<section>
<title>&kamailio; Modules</title>
<para>
The following modules must be loaded before this module:
<itemizedlist>
<listitem>
<para>
<emphasis>No dependencies on other &kamailio; modules</emphasis>.
</para>
</listitem>
</itemizedlist>
</para>
</section>
<section>
<title>External Libraries or Applications</title>
<para>
The following libraries or applications must be installed before running
&kamailio; with this module loaded:
<itemizedlist>
<listitem>
<para>
<emphasis>PostgreSQL library</emphasis> - e.g., libpq5.
</para>
</listitem>
<listitem>
<para>
<emphasis>PostgreSQL devel library</emphasis> - to compile
the module (e.g., libpq-dev).
</para>
</listitem>
</itemizedlist>
</para>
</section>
</section>
<section>
<title>Parameters</title>
<section>
<title><varname>retries</varname> (integer)</title>
<para>
How many retries to attept to reconnect if connection to Postgres
server becomes broken.
</para>
<para>
<emphasis>
Default value is 2 (that means three attepts to submit the query,
first will triger the connection error and two more (the value
of this parameter) after resetting the connection).
</emphasis>
</para>
<example>
<title>Set <varname>retries</varname> parameter</title>
<programlisting format="linespecific">
...
modparam("db_postgres", "retries", 3)
...
</programlisting>
</example>
</section>
</section>
<section>
<title>Functions</title>
<para>
NONE
</para>
</section>
</chapter>
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