Merge from mysql-5.1 to mysql-5.5

storage/innobase/row/row0sel.c

 /*****************************************************************************
 
-Copyright (c) 1997, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1997, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, Google Inc.
 
 Portions of this file contain modifications contributed and copyrighted by
@@ -57,6 +57,8 @@ Created 12/19/1997 Heikki Tuuri
 #include "read0read.h"
 #include "buf0lru.h"
 #include "ha_prototypes.h"
+#include "m_string.h" /* for my_sys.h */
+#include "my_sys.h" /* DEBUG_SYNC_C */
 
 /* Maximum number of rows to prefetch; MySQL interface has another parameter */
 #define SEL_MAX_N_PREFETCH	16
@@ -3918,7 +3920,9 @@ wait_table_again:
 	}
 
 rec_loop:
+	DEBUG_SYNC_C("row_search_rec_loop");
 	if (trx_is_interrupted(trx)) {
+		btr_pcur_store_position(pcur, &mtr);
 		err = DB_INTERRUPTED;
 		goto normal_return;
 	}