Index: branches/5.2.x/core/units/helpers/backup_helper.php
===================================================================
diff -u -N -r14707 -r14870
--- branches/5.2.x/core/units/helpers/backup_helper.php	(.../backup_helper.php)	(revision 14707)
+++ branches/5.2.x/core/units/helpers/backup_helper.php	(.../backup_helper.php)	(revision 14870)
@@ -357,13 +357,13 @@
 	}
 
 	/**
-	 * Run given schema sqls and return error, if any
+	 * Adds table prefix to given sql set
 	 *
-	 * @param $sql
-	 * @return string
+	 * @param string $sql
+	 * @return void
 	 * @access protected
 	 */
-	protected function runSchemaText($sql)
+	protected function addTablePrefix(&$sql)
 	{
 		$table_prefix = 'restore' . TABLE_PREFIX;
 
@@ -377,7 +377,19 @@
 
 		$sql = str_replace('CREATE TABLE ', 'CREATE TABLE IF NOT EXISTS ' . $table_prefix, $sql);
 		$sql = str_replace('DROP TABLE ', 'DROP TABLE IF EXISTS ' . $table_prefix, $sql);
+	}
 
+	/**
+	 * Run given schema sqls and return error, if any
+	 *
+	 * @param $sql
+	 * @return string
+	 * @access protected
+	 */
+	protected function runSchemaText($sql)
+	{
+		$this->addTablePrefix($sql);
+
 		$commands = explode("# --------------------------------------------------------", $sql);
 
 		if ( count($commands) > 0 ) {
@@ -412,18 +424,7 @@
 			$sql = $all_sqls[$line];
 
 			if ( strlen(trim($sql)) > 0 && substr($sql, 0, 1) != "#" ) {
-				$table_prefix = 'restore' . TABLE_PREFIX;
-
-				if ( strlen($table_prefix) > 0 ) {
-					$replacements = Array ('INSERT INTO ', 'UPDATE ', 'ALTER TABLE ', 'DELETE FROM ', 'REPLACE INTO ');
-
-					foreach ($replacements as $replacement) {
-						$sql = str_replace($replacement, $replacement . $table_prefix, $sql);
-					}
-				}
-
-				$sql = str_replace('CREATE TABLE ', 'CREATE TABLE IF NOT EXISTS ' . $table_prefix, $sql);
-				$sql = str_replace('DROP TABLE ', 'DROP TABLE IF EXISTS ' . $table_prefix, $sql);
+				$this->addTablePrefix($sql);
 				$sql = trim($sql);
 
 				if ( strlen($sql) > 0 ) {