<?xml version="1.0" encoding="utf-8"?>
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<chapter xml:id="mysqlnd.incompatibilities" xmlns="http://docbook.org/ns/docbook">
 <title>Incompatibilities</title>
 <para>
  MySQL Native Driver is in most cases compatible with MySQL Client Library
  (<literal>libmysql</literal>). This section documents incompatibilities
  between these libraries.
 </para>
 <itemizedlist>
  <listitem>
   <para>
    Values of <literal>bit</literal> data type are returned as binary strings
    (e.g. "\0" or "\x1F") with <literal>libmysql</literal> and as decimal
    strings (e.g. "0" or "31") with <literal>mysqlnd</literal>. If you want the
    code to be compatible with both libraries then always return bit fields as
    numbers from MySQL with a query like this:
    <literal>SELECT bit + 0 FROM table</literal>.
   </para>
  </listitem>
 </itemizedlist>
</chapter>

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