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-rw-r--r--sql/unireg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/unireg.h b/sql/unireg.h
index 18c3ab16f6a..6f9c44d98f9 100644
--- a/sql/unireg.h
+++ b/sql/unireg.h
@@ -63,6 +63,7 @@
#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 */
/* Max column width +1 */