diff options
Diffstat (limited to 'sql/item_cmpfunc.h')
| -rw-r--r-- | sql/item_cmpfunc.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h index f18728c554b..80115549336 100644 --- a/sql/item_cmpfunc.h +++ b/sql/item_cmpfunc.h @@ -731,7 +731,16 @@ public: class in_longlong :public in_vector { - longlong tmp; + /* + Here we declare a temporary variable (tmp) of the same type as the + elements of this vector. tmp is used in finding if a given value is in + the list. + */ + struct packed_longlong + { + longlong val; + longlong unsigned_flag; // Use longlong, not bool, to preserve alignment + } tmp; public: in_longlong(uint elements); void set(uint pos,Item *item); @@ -747,8 +756,12 @@ public: } void value_to_item(uint pos, Item *item) { - ((Item_int*)item)->value= ((longlong*)base)[pos]; + ((Item_int*) item)->value= ((packed_longlong*) base)[pos].val; + ((Item_int*) item)->unsigned_flag= + ((packed_longlong*) base)[pos].unsigned_flag; } + + friend int cmp_longlong(void *cmp_arg, packed_longlong *a,packed_longlong *b); }; class in_double :public in_vector |