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-rw-r--r--sql/compat56.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/sql/compat56.h b/sql/compat56.h
index bb5e2670f7d..ff887ebf1bb 100644
--- a/sql/compat56.h
+++ b/sql/compat56.h
@@ -19,6 +19,15 @@
/** MySQL56 routines and macros **/
+
+/*
+ Buffer size for a native TIMESTAMP representation, for use with NativBuffer.
+ 4 bytes for seconds
+ 3 bytes for microseconds
+ 1 byte for the trailing '\0' (class Native reserves extra 1 byte for '\0')
+*/
+#define STRING_BUFFER_TIMESTAMP_BINARY_SIZE 8 /* 4 + 3 + 1 */
+
#define MY_PACKED_TIME_GET_INT_PART(x) ((x) >> 24)
#define MY_PACKED_TIME_GET_FRAC_PART(x) ((x) % (1LL << 24))
#define MY_PACKED_TIME_MAKE(i, f) ((((longlong) (i)) << 24) + (f))