Tobias Zagorni created ARROW-16659:
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Summary: [C++] Remove ambiguous constructor for VectorKernel
Key: ARROW-16659
URL: https://issues.apache.org/jira/browse/ARROW-16659
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Tobias Zagorni
Assignee: Tobias Zagorni
The VectorKernel class currently has two constructors for kernels that only a
KernelSignature and an ArrayKernelExec - one with just the two arugments, and
one with default argument values.
Trying to use them results in an ambiguous call error like this:
{{/home/zagto/Code/arrow/cpp/src/arrow/compute/kernels/vector_run_length_encode.cc:
In function 'void arrow::compute::internal::Register}}
{{VectorRunLengthEncode(arrow::compute::FunctionRegistry*)': }}
{{/home/zagto/Code/arrow/cpp/src/arrow/compute/kernels/vector_run_length_encode.cc:137:34:
error: call of overloaded 'VectorKernel(std::}}
{{shared_ptr<arrow::compute::KernelSignature>&,
std::function<arrow::Status(arrow::compute::KernelContext*, const
arrow::compute::ExecBa}}
{{tch&, arrow::Datum*)>&)' is ambiguous }}
{{ 137 | VectorKernel kernel(sig, exec); }}
{{ | ^ }}
{{In file included from
/home/zagto/Code/arrow/cpp/src/arrow/compute/function.h:27, }}
{{ from
/home/zagto/Code/arrow/cpp/src/arrow/compute/api_vector.h:23, }}
{{ from
/home/zagto/Code/arrow/cpp/src/arrow/compute/kernels/vector_run_length_encode.cc:1:
}}
{{/home/zagto/Code/arrow/cpp/src/arrow/compute/kernel.h:616:3: note: candidate:
'arrow::compute::VectorKernel::VectorKernel(std::shared_}}
{{ptr<arrow::compute::KernelSignature>, arrow::compute::ArrayKernelExec,
arrow::compute::KernelInit, arrow::compute::VectorFinalize)' }}
{{ 616 | VectorKernel(std::shared_ptr<KernelSignature> sig, ArrayKernelExec
exec, }}
{{ | ^~~~~~~~~~~~ }}
{{/home/zagto/Code/arrow/cpp/src/arrow/compute/kernel.h:607:3: note: candidate:
'arrow::compute::VectorKernel::VectorKernel(std::shared_}}
{{ptr<arrow::compute::KernelSignature>, arrow::compute::ArrayKernelExec)' }}
{{ 607 | VectorKernel(std::shared_ptr<KernelSignature> sig, ArrayKernelExec
exec) }}
{{ | ^~~~~~~~~~~~}}
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