diff options
Diffstat (limited to 'sql/item_strfunc.h')
-rw-r--r-- | sql/item_strfunc.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h index 4cdad9e3f1f..b5aa804e17b 100644 --- a/sql/item_strfunc.h +++ b/sql/item_strfunc.h @@ -706,9 +706,10 @@ public: String *val_str(String *); void fix_length_and_dec() { - ulonglong max_result_length= (ulonglong) args[0]->max_length * 2 + 2; - max_length= (uint32) min(max_result_length, MAX_BLOB_WIDTH); collation.set(args[0]->collation); + ulonglong max_result_length= (ulonglong) args[0]->max_length * 2 + + 2 * collation.collation->mbmaxlen; + max_length= (uint32) min(max_result_length, MAX_BLOB_WIDTH); } }; |