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-rw-r--r--storage/innobase/include/fil0fil.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/storage/innobase/include/fil0fil.h b/storage/innobase/include/fil0fil.h
index 04c7f4f18d1..ea6d8e235c7 100644
--- a/storage/innobase/include/fil0fil.h
+++ b/storage/innobase/include/fil0fil.h
@@ -31,12 +31,15 @@ Created 10/25/1995 Heikki Tuuri
#ifndef UNIV_INNOCHECKSUM
+#include "hash0hash.h"
#include "log0recv.h"
#include "dict0types.h"
#ifdef UNIV_LINUX
# include <set>
#endif
+/** whether to reduce redo logging during ALTER TABLE */
+extern my_bool innodb_log_optimize_ddl;
// Forward declaration
extern my_bool srv_use_doublewrite_buf;
extern struct buf_dblwr_t* buf_dblwr;