Index: branches/unlabeled/unlabeled-1.8.2/core/units/general/helpers/multilanguage.php
===================================================================
diff -u -r6146 -r6908
--- branches/unlabeled/unlabeled-1.8.2/core/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 6146)
+++ branches/unlabeled/unlabeled-1.8.2/core/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 6908)
@@ -204,6 +204,8 @@
 			}
 
 			$ret = ' ';
+			$ml_field = preg_replace('/l(.*)_(.*?) (.*)/', '\\2', $field_mask);
+			
 			$i_count = $start_index + $create_count;
 			while ($start_index < $i_count) {
 				list($prev_field,$type) = explode(' ', sprintf($field_mask, $start_index - 1) );
@@ -226,7 +228,10 @@
 				if ($this->curIndexCount < 32 && ($start_index == $this->Application->GetDefaultLanguageId() || !$single_lang)) {
 					// create index for primary language column + for all others (if multiple languages installed)
 					list($field_name, $field_params) = explode(' ', $field_expression, 2);
-					$ret .= 'ADD INDEX (`'.$field_name.'` (5) ), ';
+					
+					$index_type = isset($this->curFields[$ml_field]['index_type']) ? $this->curFields[$prev_field]['index_type'] : 'string';
+					
+					$ret .= $index_type == 'string' ? 'ADD INDEX (`'.$field_name.'` (5) ), ' : 'ADD INDEX (`'.$field_name.'`), ';
 					$this->curIndexCount++;
 				}