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Fixed fuzz test #4322

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This commit is contained in:
Alexey Milovidov 2019-02-11 20:26:35 +03:00
parent 49165b1347
commit 2294575693
3 changed files with 8 additions and 0 deletions
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7
dbms/src/Functions/arrayWithConstant.cpp
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@ -12,8 +12,13 @@ namespace DB
namespace ErrorCodes
{
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
extern const int TOO_LARGE_ARRAY_SIZE;
}
/// Reasonable threshold.
static constexpr size_t max_arrays_size_in_block = 1000000000;
/* arrayWithConstant(num, const) - make array of constants with length num.
* arrayWithConstant(3, 'hello') = ['hello', 'hello', 'hello']
* arrayWithConstant(1, 'hello') = ['hello']
@ -55,6 +60,8 @@ public:
for (size_t i = 0; i < num_rows; ++i)
{
offset += col_num->getUInt(i);
if (unlikely(offset > max_arrays_size_in_block))
throw Exception("Too large array size while executing function " + getName(), ErrorCodes::TOO_LARGE_ARRAY_SIZE);
offsets.push_back(offset);
}

0
dbms/tests/queries/0_stateless/00842_array_with_constant_overflow.reference Normal file
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1
dbms/tests/queries/0_stateless/00842_array_with_constant_overflow.sql Normal file
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@ -0,0 +1 @@
SELECT arrayWithConstant(-231.37104, -138); -- { serverError 128 }