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Additional fix for the bug#27759: Wrong DATE/DATETIME comparison in LEAST()/GREATEST() functions.

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mysql-test/t/type_datetime.test:
  Additional test case for the bug#27759.
sql/item_func.h:
  Bug#27759: Wrong DATE/DATETIME comparison in LEAST()/GREATEST() functions.
  Now the Item_func_min_max::result_as_longlong() returns TRUE when LEAST()
  compares DATE/DATETIME values. This allows caller to obtain correct integer
  values through the val_int() function.
This commit is contained in:
unknown 2007-05-08 00:08:00 +04:00
commit dd3f1be837
2 changed files with 3 additions and 0 deletions
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sql/item_func.h
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@ -703,6 +703,7 @@ public:
my_decimal *val_decimal(my_decimal *);
void fix_length_and_dec();
enum Item_result result_type () const { return cmp_type; }
bool result_as_longlong() { return compare_as_dates; };
uint cmp_datetimes(ulonglong *value);
};