nealrichardson commented on a change in pull request #7623:
URL: https://github.com/apache/arrow/pull/7623#discussion_r451810399
##########
File path: python/pyarrow/_dataset.pyx
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@@ -881,10 +881,15 @@ cdef class RowGroupInfo:
name = frombytes(c_statistics.type.get().field(i).get().name())
c_minmax = <CStructScalar*> c_statistics.value[i].get()
- statistics[name] = {
- 'min': pyarrow_wrap_scalar(c_minmax.value[0]).as_py(),
- 'max': pyarrow_wrap_scalar(c_minmax.value[1]).as_py(),
- }
+ try:
+ statistics[name] = {
+ 'min': pyarrow_wrap_scalar(c_minmax.value[0]).as_py(),
+ 'max': pyarrow_wrap_scalar(c_minmax.value[1]).as_py(),
+ }
+ except ValueError:
+ # Don't treat failure to parse/convert a single Scalar as a
+ # failure. The min/max will simply be missing for this field.
Review comment:
We should support Scalars of all types, so it should not be possible for
this to error, and if it does, it's a bug. IMO we should remove the try/except
and move on.
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