Commit eed75b05 authored by ramil@mysql.com's avatar ramil@mysql.com

a fix (bug #10599: Numeric function 'abs' make server crash).

parent 1edd387d
......@@ -885,3 +885,9 @@ SELECT GRADE FROM t1 WHERE GRADE= 151;
GRADE
151
DROP TABLE t1;
select abs(10/0);
abs(10/0)
NULL
select abs(NULL);
abs(NULL)
NULL
......@@ -916,3 +916,10 @@ INSERT INTO t1 (GRADE) VALUES (151),(252),(343);
SELECT GRADE FROM t1 WHERE GRADE > 160 AND GRADE < 300;
SELECT GRADE FROM t1 WHERE GRADE= 151;
DROP TABLE t1;
#
# Bug #10599: problem with NULL
#
select abs(10/0);
select abs(NULL);
......@@ -1063,11 +1063,11 @@ my_decimal *Item_func_plus::decimal_op(my_decimal *decimal_value)
if ((null_value= args[0]->null_value))
return 0;
val2= args[1]->val_decimal(&value2);
if ((null_value= (args[1]->null_value ||
my_decimal_add(E_DEC_FATAL_ERROR, decimal_value, val1,
val2) > 1)))
return 0;
return decimal_value;
if (!(null_value= (args[1]->null_value ||
my_decimal_add(E_DEC_FATAL_ERROR, decimal_value, val1,
val2) > 1)))
return decimal_value;
return 0;
}
/*
......@@ -1136,11 +1136,11 @@ my_decimal *Item_func_minus::decimal_op(my_decimal *decimal_value)
if ((null_value= args[0]->null_value))
return 0;
val2= args[1]->val_decimal(&value2);
if ((null_value= (args[1]->null_value ||
my_decimal_sub(E_DEC_FATAL_ERROR, decimal_value, val1,
val2) > 1)))
return 0;
return decimal_value;
if (!(null_value= (args[1]->null_value ||
my_decimal_sub(E_DEC_FATAL_ERROR, decimal_value, val1,
val2) > 1)))
return decimal_value;
return 0;
}
......@@ -1174,11 +1174,11 @@ my_decimal *Item_func_mul::decimal_op(my_decimal *decimal_value)
if ((null_value= args[0]->null_value))
return 0;
val2= args[1]->val_decimal(&value2);
if ((null_value= (args[1]->null_value ||
my_decimal_mul(E_DEC_FATAL_ERROR, decimal_value, val1,
val2) > 1)))
return 0;
return decimal_value;
if (!(null_value= (args[1]->null_value ||
my_decimal_mul(E_DEC_FATAL_ERROR, decimal_value, val1,
val2) > 1)))
return decimal_value;
return 0;
}
......@@ -1396,8 +1396,9 @@ my_decimal *Item_func_neg::decimal_op(my_decimal *decimal_value)
{
my_decimal2decimal(value, decimal_value);
my_decimal_neg(decimal_value);
return decimal_value;
}
return decimal_value;
return 0;
}
......@@ -1460,8 +1461,9 @@ my_decimal *Item_func_abs::decimal_op(my_decimal *decimal_value)
my_decimal2decimal(value, decimal_value);
if (decimal_value->sign())
my_decimal_neg(decimal_value);
return decimal_value;
}
return decimal_value;
return 0;
}
......@@ -1761,11 +1763,11 @@ double Item_func_ceiling::real_op()
my_decimal *Item_func_ceiling::decimal_op(my_decimal *decimal_value)
{
my_decimal val, *value= args[0]->val_decimal(&val);
if ((null_value= (args[0]->null_value ||
my_decimal_ceiling(E_DEC_FATAL_ERROR, value,
decimal_value) > 1)))
return 0;
return decimal_value;
if (!(null_value= (args[0]->null_value ||
my_decimal_ceiling(E_DEC_FATAL_ERROR, value,
decimal_value) > 1)))
return decimal_value;
return 0;
}
......@@ -1808,11 +1810,11 @@ double Item_func_floor::real_op()
my_decimal *Item_func_floor::decimal_op(my_decimal *decimal_value)
{
my_decimal val, *value= args[0]->val_decimal(&val);
if ((null_value= (args[0]->null_value ||
my_decimal_floor(E_DEC_FATAL_ERROR, value,
decimal_value) > 1)))
return 0;
return decimal_value;
if (!(null_value= (args[0]->null_value ||
my_decimal_floor(E_DEC_FATAL_ERROR, value,
decimal_value) > 1)))
return decimal_value;
return 0;
}
......@@ -1955,11 +1957,11 @@ my_decimal *Item_func_round::decimal_op(my_decimal *decimal_value)
{
decimals= min(dec, DECIMAL_MAX_SCALE); // to get correct output
}
if ((null_value= (args[0]->null_value || args[1]->null_value ||
my_decimal_round(E_DEC_FATAL_ERROR, value, dec, truncate,
decimal_value) > 1)))
return 0;
return decimal_value;
if (!(null_value= (args[0]->null_value || args[1]->null_value ||
my_decimal_round(E_DEC_FATAL_ERROR, value, dec, truncate,
decimal_value) > 1)))
return decimal_value;
return 0;
}
......
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