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-rw-r--r--sql/sql_const.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sql/sql_const.h b/sql/sql_const.h
index cfbf077bd91..de2704a8553 100644
--- a/sql/sql_const.h
+++ b/sql/sql_const.h
@@ -42,8 +42,8 @@
#define MAX_MBWIDTH 3 /* Max multibyte sequence */
#define MAX_FIELD_CHARLENGTH 255
#define MAX_FIELD_VARCHARLENGTH 65535
-#define MAX_FIELD_BLOBLENGTH UINT_MAX32 /* cf field_blob::get_length() */
-#define CONVERT_IF_BIGGER_TO_BLOB 512 /* Used for CREATE ... SELECT */
+#define MAX_FIELD_BLOBLENGTH UINT_MAX32 /* cf field_blob::get_length() */
+#define CONVERT_IF_BIGGER_TO_BLOB 512 /* Threshold *in characters* */
/* Max column width +1 */
#define MAX_FIELD_WIDTH (MAX_FIELD_CHARLENGTH*MAX_MBWIDTH+1)