Index: branches/5.2.x/core/kernel/db/db_load_balancer.php
===================================================================
diff -u -N -r15240 -r15242
--- branches/5.2.x/core/kernel/db/db_load_balancer.php	(.../db_load_balancer.php)	(revision 15240)
+++ branches/5.2.x/core/kernel/db/db_load_balancer.php	(.../db_load_balancer.php)	(revision 15242)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_load_balancer.php 15240 2012-03-26 18:11:54Z alex $
+* @version	$Id: db_load_balancer.php 15242 2012-03-27 10:09:34Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2011 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -518,6 +518,22 @@
 	}
 
 	/**
+	 * Returns iterator for 1st column of a recordset or false in case of error.
+	 * Optional parameter $key_field can be used to set field name to be used
+	 * as resulting array key.
+	 *
+	 * @param string $sql
+	 * @param string $key_field
+	 * @return bool|kMySQLQueryCol
+	 */
+	public function GetColIterator($sql, $key_field = null)
+	{
+		$conn =& $this->chooseConnection($sql);
+
+		return $conn->GetColIterator($sql, $key_field);
+	}
+
+	/**
 	 * Queries db with $sql query supplied and returns rows selected if any, false
 	 * otherwise. Optional parameter $key_field allows to set one of the query fields
 	 * value as key in string array.