diff options
Diffstat (limited to 'sql/item_strfunc.h')
| -rw-r--r-- | sql/item_strfunc.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h index 60547d00a5c..778ea6e9496 100644 --- a/sql/item_strfunc.h +++ b/sql/item_strfunc.h @@ -605,7 +605,11 @@ class Item_func_unhex :public Item_str_func { String tmp_value; public: - Item_func_unhex(Item *a) :Item_str_func(a) {} + Item_func_unhex(Item *a) :Item_str_func(a) + { + /* there can be bad hex strings */ + maybe_null= 1; + } const char *func_name() const { return "unhex"; } String *val_str(String *); void fix_length_and_dec() |