Index: branches/5.2.x/core/kernel/utility/temp_handler.php
===================================================================
--- branches/5.2.x/core/kernel/utility/temp_handler.php
+++ branches/5.2.x/core/kernel/utility/temp_handler.php
@@ -152,7 +152,7 @@
 
 	function CreateTempTable($table)
 	{
-		$sql = 'CREATE TABLE ' . $this->GetTempName($table) . '
+		$sql = 'CREATE TABLE ' . $this->GetTempName($table) . ' ENGINE = ' . $this->getTableEngine($table) . '
 				SELECT *
 				FROM ' . $table . '
 				WHERE 0';
@@ -160,6 +160,31 @@
 		$this->Conn->Query($sql);
 	}
 
+	/**
+	 * Returns an engine of a given table.
+	 *
+	 * @param string $table Table.
+	 *
+	 * @return string
+	 */
+	protected function getTableEngine($table)
+	{
+		static $cache;
+
+		if ( $cache === null ) {
+			$sql = 'SHOW TABLE STATUS WHERE `Name` LIKE ' . $this->Conn->qstr(TABLE_PREFIX . '%');
+			$table_statuses = $this->Conn->GetIterator($sql, 'Name');
+
+			$cache = array();
+
+			foreach ( $table_statuses as $table_status_name => $table_status_data ) {
+				$cache[$table_status_name] = $table_status_data['Engine'];
+			}
+		}
+
+		return isset($cache[$table]) ? $cache[$table] : null;
+	}
+
 	function BuildTables($prefix, $ids)
 	{
 		$this->WindowID = $this->Application->GetVar('m_wid');