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      <h1>PHP notice</h1>
      <p class="message">
        Undefined offset: 1 </p>
      <div class="source">
        <p class="file">/mnt/data/shnoulle/nginx/www/3LTS/application/helpers/export_helper.php(692)</p>
        <div class="code"><pre><span class="ln">680</span> * @param mixed $Query  The table query to build from
    <span class="ln">681</span> * @param string $tagname  If the XML tag of the resulting question should be named differently than the table name set it here
    <span class="ln">682</span> * @param string[] $excludes array of columnames not to include in export
    <span class="ln">683</span> */
    <span class="ln">684</span> function buildXMLFromQuery($xmlwriter, $Query, $tagname = &#039;&#039;, $excludes = array())
    <span class="ln">685</span> {
    <span class="ln">686</span>     $iChunkSize = 3000; // This works even for very large result sets and leaves a minimal memory footprint
    <span class="ln">687</span> 
    <span class="ln">688</span>     preg_match(&#039;/\bfrom\b\s*{{(\w+)}}/i&#039;, $Query, $MatchResults);