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Bug #17043: Casting trimmed string to decimal loses precision

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Results of string functions were being converted to decimals by first
  being converted to integers, resulting in a loss of precision.


mysql-test/r/func_str.result:
  Add new results
mysql-test/t/func_str.test:
  Add new regression test
sql/item_strfunc.cc:
  Convert string function results to decimal using string-to-decimal conversion
sql/item_strfunc.h:
  Add Item_str_func::val_decimal()
This commit is contained in:
unknown 2006-03-14 02:04:43 -08:00
commit d48cfa8ac7
4 changed files with 33 additions and 1 deletions
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1
sql/item_strfunc.h
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@ -33,6 +33,7 @@ public:
Item_str_func(List<Item> &list) :Item_func(list) {decimals=NOT_FIXED_DEC; }
longlong val_int();
double val_real();
my_decimal *val_decimal(my_decimal *);
enum Item_result result_type () const { return STRING_RESULT; }
void left_right_max_length();
String *check_well_formed_result(String *str);