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-rw-r--r--sql/unireg.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/sql/unireg.h b/sql/unireg.h
index cd459dfc783..4bbfa8b0fae 100644
--- a/sql/unireg.h
+++ b/sql/unireg.h
@@ -141,10 +141,13 @@
*/
#define MIN_TURBOBM_PATTERN_LEN 3
-/* Defines for binary logging */
-
-#define BIN_LOG_HEADER_SIZE 4
+/*
+ Defines for binary logging.
+ Do not decrease the value of BIN_LOG_HEADER_SIZE.
+ Do not even increase it before checking code.
+*/
+#define BIN_LOG_HEADER_SIZE 4
#define FLOATING_POINT_BUFFER 331
/* Include prototypes for unireg */