Fokko commented on code in PR #36846:
URL: https://github.com/apache/arrow/pull/36846#discussion_r1307193186
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python/pyarrow/types.pxi:
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@@ -2014,6 +2014,48 @@ 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()
Review Comment:
I don't know if anyone would use the fine-grained options. Keep in mind that
the `concat_tables` will try to match the schema of the first table, so a user
could also cast the columns there. For PyIceberg I'll project the requested
schema with an empty table, and then concatenate all the tables with data.
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