diff -ruN a/sql/handler.h b/sql/handler.h
--- a/sql/handler.h 2010-11-03 07:01:14.000000000 +0900
+++ b/sql/handler.h 2010-12-03 13:51:04.727293058 +0900
-@@ -197,6 +197,8 @@
+@@ -203,6 +203,8 @@
#define HA_INPLACE_DROP_UNIQUE_INDEX_NO_WRITE (1L << 9)
#define HA_INPLACE_ADD_PK_INDEX_NO_WRITE (1L << 10)
#define HA_INPLACE_DROP_PK_INDEX_NO_WRITE (1L << 11)
diff -ruN a/sql/sys_vars.cc b/sql/sys_vars.cc
--- a/sql/sys_vars.cc 2010-12-02 21:23:05.569356468 +0900
+++ b/sql/sys_vars.cc 2010-12-03 14:05:28.857356603 +0900
-@@ -2140,6 +2140,13 @@
+@@ -2150,6 +2150,13 @@
GLOBAL_VAR(opt_optimizer_fix),
NO_CMD_LINE, DEFAULT(TRUE));