1 files changed, 4 insertions, 0 deletions
diff --git a/sql/field.h b/sql/field.h
index d83980c2a29..208f1e381f5 100644
--- a/sql/field.h
+++ b/sql/field.h
@@ -2217,6 +2217,10 @@ public:
   {
     return (flags & (BINCMP_FLAG | BINARY_FLAG)) != 0;
   }
+  uint virtual_col_expr_maxlen()
+  {
+    return 255 - FRM_VCOL_HEADER_SIZE(interval != NULL);
+  }
 };