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Merge mhansson@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

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into  dl145s.mysql.com:/users/mhansson/mysql/autopush/my50-bug28250
This commit is contained in:
mhansson@dl145s.mysql.com 2007-05-30 14:43:59 +02:00
commit d20a1977b5
2 changed files with 9 additions and 1 deletions
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8
mysql-test/t/cast.test
View file

@ -10,7 +10,13 @@ select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
select ~5, cast(~5 as signed); select ~5, cast(~5 as signed);
explain extended select ~5, cast(~5 as signed); explain extended select ~5, cast(~5 as signed);
select cast(5 as unsigned) -6.0; select cast(5 as unsigned) -6.0;
select cast(NULL as signed), cast(1/0 as signed); select cast(NULL as signed), cast(1/0 as signed);
#
# Bug #28250: Run-Time Check Failure #3 - The variable 'value' is being used
# without being def
#
# The following line causes Run-Time Check Failure on
# binaries built with Visual C++ 2005
select cast(NULL as unsigned), cast(1/0 as unsigned); select cast(NULL as unsigned), cast(1/0 as unsigned);
select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A"; select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME); select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);

2
sql/item_func.cc
View file

@ -996,6 +996,8 @@ longlong Item_func_unsigned::val_int()
my_decimal tmp, *dec= args[0]->val_decimal(&tmp); my_decimal tmp, *dec= args[0]->val_decimal(&tmp);
if (!(null_value= args[0]->null_value)) if (!(null_value= args[0]->null_value))
my_decimal2int(E_DEC_FATAL_ERROR, dec, 1, &value); my_decimal2int(E_DEC_FATAL_ERROR, dec, 1, &value);
else
value= 0;
return value; return value;
} }
else if (args[0]->cast_to_int_type() != STRING_RESULT || else if (args[0]->cast_to_int_type() != STRING_RESULT ||