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-rw-r--r--sql/item.h21
1 files changed, 18 insertions, 3 deletions
diff --git a/sql/item.h b/sql/item.h
index 5a1cf193806..f0ffb160553 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -767,6 +767,15 @@ public:
};
+bool agg_item_collations(DTCollation &c, const char *name,
+ Item **items, uint nitems, uint flags= 0);
+bool agg_item_collations_for_comparison(DTCollation &c, const char *name,
+ Item **items, uint nitems,
+ uint flags= 0);
+bool agg_item_charsets(DTCollation &c, const char *name,
+ Item **items, uint nitems, uint flags= 0);
+
+
class Item_num: public Item
{
public:
@@ -1141,7 +1150,7 @@ class Item_uint :public Item_int
{
public:
Item_uint(const char *str_arg, uint length);
- Item_uint(uint32 i) :Item_int((ulonglong) i, 10) {}
+ Item_uint(ulonglong i) :Item_int((ulonglong) i, 10) {}
Item_uint(const char *str_arg, longlong i, uint length);
double val_real()
{ DBUG_ASSERT(fixed == 1); return ulonglong2double((ulonglong)value); }
@@ -1464,7 +1473,13 @@ public:
void save_org_in_field(Field *field) { (*ref)->save_org_in_field(field); }
enum Item_result result_type () const { return (*ref)->result_type(); }
enum_field_types field_type() const { return (*ref)->field_type(); }
- Field *get_tmp_table_field() { return result_field; }
+ Field *get_tmp_table_field()
+ { return result_field ? result_field : (*ref)->get_tmp_table_field(); }
+ Item *get_tmp_table_item(THD *thd)
+ {
+ return (result_field ? new Item_field(result_field) :
+ (*ref)->get_tmp_table_item(thd));
+ }
table_map used_tables() const
{
return depended_from ? OUTER_REF_TABLE_BIT : (*ref)->used_tables();
@@ -1702,7 +1717,7 @@ class Cached_item_field :public Cached_item
public:
Cached_item_field(Item_field *item)
{
- field=item->field;
+ field= item->field;
buff= (char*) sql_calloc(length=field->pack_length());
}
bool cmp(void);