function amr_csvlines_to_csvbatch($lines)
{
    // convert array to csv separated stuff
    $csvlines = array();
    foreach ($lines as $k => $line) {
        $csvlines[]['csvcontent'] = amr_cells_to_csv($line);
    }
    $c = new adb_cache();
    //	$rptid = amr_rptid( (int) ($_REQUEST['ulist']));   // not working - wait till new query functionality
    //	$headinglines = $c->get_column_headings($rptid);
    //	array_unshift( $csvlines, $headinglines[1]);
    return $csvlines;
}
 function cache_batch_lines($reportid, $start, $lines)
 {
     // cache  a batch
     global $wpdb;
     $wpdb->show_errors();
     $sql = "INSERT INTO " . $this->table_name . " ( reportid, line, csvcontent ) " . "VALUES ";
     $sep = ',';
     $row = $start;
     $args = array();
     foreach ($lines as $i => $line) {
         $csv = amr_cells_to_csv($line);
         if (!($row === $start)) {
             $sql .= $sep;
         }
         $sql .= "(%s,%d,%s)";
         $args[] = $reportid;
         $args[] = $row;
         $args[] = $csv;
         // for any csv a doublequote must be represented by two double quotes ***
         // not ideal for other purposes, but until we redo the data 'warehouse' method this is it
         //$sql .=	"('" . $reportid . "','" . $row. "','" . $csv . "')";
         $row = $row + 1;
     }
     $sql = $wpdb->prepare($sql, $args);
     //esc_sql($sql);
     $results = $wpdb->query($sql);
     if (is_wp_error($results)) {
         echo __('Error inserting - maybe clashing with a background run?', 'amr-users') . $results->get_error_message();
         die(__('Killing myself.. please check log and status and try again later.', 'amr-users'));
     }
     return $results;
 }