bkietz commented on a change in pull request #8311:
URL: https://github.com/apache/arrow/pull/8311#discussion_r498953710
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File path: cpp/src/arrow/dataset/file_parquet.cc
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@@ -171,6 +170,15 @@ static std::shared_ptr<StructScalar>
ColumnChunkStatisticsAsStructScalar(
return nullptr;
}
+ auto maybe_min = min->CastTo(field->type());
+ auto maybe_max = max->CastTo(field->type());
Review comment:
`StatisticsAsScalars` returns scalars whose types are the correct
*physical type*, so even if the column was `dictionary(string)` min and max
would be just `string` before this cast
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