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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 290998 $ -->
<chapter xml:id="mysqlnd.notes" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title>Notes</title>
<para>
This section provides a collection of miscellaneous notes on MySQL
Native Driver usage.
</para>
<itemizedlist>
<listitem>
<para>
In the case where you pass a statement to
<function>mysqli_query</function> that is longer than
<literal>max_allowed_packet</literal> of the server, the returned
error codes are different depending on whether you are using MySQL
Native Driver (<literal>mysqlnd</literal>) or MySQL Client Library
(<literal>libmysql</literal>). The behavior is as follows:
</para>
<itemizedlist>
<listitem>
<para>
<literal>mysqlnd</literal> on Linux returns an error code of 1153.
The error message means <quote>got a packet bigger than
<literal>max_allowed_packet</literal> bytes</quote>.
</para>
</listitem>
<listitem>
<para>
<literal>mysqlnd</literal> on Windows returns an error code 2006.
This error message means <quote>server has gone away</quote>.
</para>
</listitem>
<listitem>
<para>
<literal>libmysql</literal> on all platforms returns an error code
2006. This error message means <quote>server has gone
away</quote>.
</para>
</listitem>
</itemizedlist>
<para>
The same thing happens with
<function>mysqli_stmt_prepare</function>.
</para>
</listitem>
</itemizedlist>
</chapter>
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