diff options
Diffstat (limited to 'sql/item_buff.cc')
| -rw-r--r-- | sql/item_buff.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sql/item_buff.cc b/sql/item_buff.cc index 1559cfe958e..2324205eb65 100644 --- a/sql/item_buff.cc +++ b/sql/item_buff.cc @@ -23,13 +23,13 @@ ** Create right type of item_buffer for an item */ -Item_buff *new_Item_buff(Item *item) +Item_buff *new_Item_buff(THD *thd, Item *item) { if (item->type() == Item::FIELD_ITEM && !(((Item_field *) item)->field->flags & BLOB_FLAG)) return new Item_field_buff((Item_field *) item); if (item->result_type() == STRING_RESULT) - return new Item_str_buff((Item_field *) item); + return new Item_str_buff(thd, (Item_field *) item); if (item->result_type() == INT_RESULT) return new Item_int_buff((Item_field *) item); return new Item_real_buff(item); @@ -42,12 +42,17 @@ Item_buff::~Item_buff() {} ** Return true if values have changed */ +Item_str_buff::Item_str_buff(THD *thd, Item *arg) + :item(arg), value(min(arg->max_length, thd->variables. max_sort_length)) +{} + bool Item_str_buff::cmp(void) { String *res; bool tmp; res=item->val_str(&tmp_value); + res->length(min(res->length(), value.alloced_length())); if (null_value != item->null_value) { if ((null_value= item->null_value)) |