sahil1105 commented on code in PR #43661:
URL: https://github.com/apache/arrow/pull/43661#discussion_r1715317034
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cpp/src/arrow/dataset/file_parquet.cc:
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@@ -555,6 +562,57 @@ Future<std::shared_ptr<parquet::arrow::FileReader>>
ParquetFileFormat::GetReader
});
}
+struct CastingGenerator {
Review Comment:
You're probably right and it likely does perform some casts during the read.
However, it doesn't seem to be doing it for certain cases like String to
LargeString.
Could you point me to where the Parquet Reader should be performing this
cast? I'm happy to add it there.
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