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Deriving Item_bool_func from Item_bool_func2.

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This commit is contained in:
Alexander Barkov 2014-11-20 12:56:47 +04:00
commit 52b3d95f2a
1 changed files with 3 additions and 5 deletions
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8
sql/item_cmpfunc.h
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@ -364,7 +364,7 @@ public:
virtual bool l_op() const { return 1; }
};
class Item_bool_func2 :public Item_int_func
class Item_bool_func2 :public Item_bool_func
{ /* Bool with 2 string args */
protected:
Arg_comparator cmp;
@ -372,7 +372,7 @@ protected:
public:
Item_bool_func2(Item *a,Item *b)
:Item_int_func(a,b), cmp(tmp_arg, tmp_arg+1),
:Item_bool_func(a,b), cmp(tmp_arg, tmp_arg+1),
abort_on_null(FALSE) { sargable= TRUE; }
void fix_length_and_dec();
int set_cmp_func()
@ -389,14 +389,12 @@ public:
}
bool is_null() { return MY_TEST(args[0]->is_null() || args[1]->is_null()); }
bool is_bool_func() { return 1; }
CHARSET_INFO *compare_collation() { return cmp.cmp_collation.collation; }
uint decimal_precision() const { return 1; }
void top_level_item() { abort_on_null= TRUE; }
Arg_comparator *get_comparator() { return &cmp; }
void cleanup()
{
Item_int_func::cleanup();
Item_bool_func::cleanup();
cmp.cleanup();
}