pitrou commented on a change in pull request #11918:
URL: https://github.com/apache/arrow/pull/11918#discussion_r786139689
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File path: python/pyarrow/_compute.pyx
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@@ -2019,6 +2019,25 @@ cdef class Expression(_Weakrefable):
return (<Expression> expr)
return (<Expression> Expression._scalar(expr))
+ @staticmethod
+ def _call_function(str function_name, arguments,
+ FunctionOptions options=None):
+ cdef:
+ vector[CExpression] c_arguments
+ shared_ptr[CFunctionOptions] c_options=(
+ <shared_ptr[CFunctionOptions]> nullptr)
+
+ for argument in arguments:
+ if not isinstance(argument, Expression):
+ raise TypeError("only other expressions allowed as arguments")
+ c_arguments.push_back((<Expression> argument).expr)
+
+ # if options is not None:
+ # c_options = make_shared[CFunctionOptions](options.get_options())
Review comment:
You should probably replace the `unique_ptr` in the FunctionOptions
declaration with a `shared_ptr`.
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