Hi all,

I have seen that arrow compute functions (c++) accepts an ExecContext for
each method. If I am using compute methods multiple times, is it a good
practice to use its default value (nullptr) or should I create an
ExecContext in the user code and pass it?
AFAIS default ExecContext doesn't seem to act as a singleton.
https://github.com/apache/arrow/blob/ea4a405e1e988746632150167b936f8b17557e44/cpp/src/arrow/compute/exec.cc#L921

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Niranda Perera
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