ARROW-8070: [C++] Cast segfaults on unsupported cast from list<binary> to utf8 #6738
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kszucs
commented
Mar 27, 2020
| @@ -1503,19 +1503,18 @@ Status GetCastFunction(const DataType& in_type, std::shared_ptr<DataType> out_ty | |||
| CAST_FUNCTION_CASE(LargeStringType); | |||
| CAST_FUNCTION_CASE(DictionaryType); | |||
| case Type::NA: | |||
| cast_kernel.reset(new FromNullCastKernel(std::move(out_type))); | |||
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Removed move because of the validation below dereferences out_type.
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Return with ArrowInvalid for
list<...> => not listcasts.The
list(binary()) => utf8()could make sense, but as aconcatoperation.