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subqueries made printable

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new EXPLAIN parameter to show real query as it was interpreted
(SCRUM) (WL#1274)
This commit is contained in:
bell@sanja.is.com.ua
2003-10-16 15:54:47 +03:00
parent ddf4d1e529
commit a7bdd19707
18 changed files with 735 additions and 181 deletions
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6
sql/item_cmpfunc.h
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@ -160,10 +160,14 @@ class Item_func_not_all :public Item_func_not
{
bool abort_on_null;
public:
Item_func_not_all(Item *a) :Item_func_not(a), abort_on_null(0) {}
bool show;
Item_func_not_all(Item *a) :Item_func_not(a), abort_on_null(0), show(0) {}
virtual void top_level_item() { abort_on_null= 1; }
bool top_level() { return abort_on_null; }
longlong val_int();
const char *func_name() const { return "<not>"; }
void print(String *str);
};
class Item_func_eq :public Item_bool_rowready_func2