Fokko commented on code in PR #36846:
URL: https://github.com/apache/arrow/pull/36846#discussion_r1274924599
##########
python/pyarrow/types.pxi:
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@@ -1969,6 +1969,33 @@ cpdef KeyValueMetadata ensure_metadata(object meta,
c_bool allow_none=False):
return KeyValueMetadata(meta)
+cdef class FieldMergeOptions(_Weakrefable):
+ """
+ Options controlling how to merge the types of two fields.
+
+ By default, types must match exactly, except the null type can be
+ merged with any other type.
+
+ """
+
+ cdef:
+ CField.CMergeOptions c_options
+
+ __slots__ = ()
+
+ def __init__(self, *):
+ self.c_options = CField.CMergeOptions.Defaults()
+
+ @staticmethod
+ def permissive():
+ """
+ Allow merging generally compatible types (e.g. float64 and int64).
+ """
+ cdef FieldMergeOptions options = FieldMergeOptions()
+ options.c_options = CField.CMergeOptions.Permissive()
+ return options
Review Comment:
That's a great suggestion
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