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Fix handling of NULL values in decimal fields in FORMAT(). (Bug #13361)

Browse source 
mysql-test/r/func_str.result:
  Add new results
mysql-test/t/func_str.test:
  Add new regression test
sql/item_strfunc.cc:
  Handle NULL decimal fields in FORMAT().
This commit is contained in:
unknown 2005-09-22 11:40:22 -07:00
commit 0f0f72c74f
3 changed files with 18 additions and 0 deletions
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2
sql/item_strfunc.cc
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@ -1733,6 +1733,8 @@ String *Item_func_format::val_str(String *str)
{
my_decimal dec_val, rnd_dec, *res;
res= args[0]->val_decimal(&dec_val);
if ((null_value=args[0]->null_value))
return 0; /* purecov: inspected */
my_decimal_round(E_DEC_FATAL_ERROR, res, decimals, false, &rnd_dec);
my_decimal2string(E_DEC_FATAL_ERROR, &rnd_dec, 0, 0, 0, str);
str_length= str->length();