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Fix UBSan report in TransformDateTime64

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This commit is contained in:
Alexey Milovidov 2021-03-24 02:49:17 +03:00
parent 4de5afed4e
commit 47b00ad11b
3 changed files with 8 additions and 1 deletions
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5
src/Functions/TransformDateTime64.h
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@ -49,8 +49,11 @@ public:
{}
template <typename ... Args>
inline auto execute(const DateTime64 & t, Args && ... args) const
inline auto NO_SANITIZE_UNDEFINED execute(const DateTime64 & t, Args && ... args) const
{
/// Type conversion from float to integer may be required.
/// We are Ok with implementation specific result for out of range and denormals conversion.
if constexpr (TransformHasExecuteOverload_v<DateTime64, decltype(scale_multiplier), Args...>)
{
return wrapped_transform.execute(t, scale_multiplier, std::forward<Args>(args)...);

2
tests/queries/0_stateless/01773_datetime64_add_ubsan.reference Normal file
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@ -0,0 +1,2 @@
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2
tests/queries/0_stateless/01773_datetime64_add_ubsan.sql Normal file
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@ -0,0 +1,2 @@
-- The result is unspecified but UBSan should not argue.
SELECT ignore(addHours(now64(3), inf)) FROM numbers(2);