🚧 Add an example read a parquet file with highly selective filter using the next-gen parquet reader #19469
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https://github.com/mhaseeb123/cudf into fea/materialize-hybrid-scan-columns
https://github.com/mhaseeb123/cudf into fea/materialize-hybrid-scan-columns
https://github.com/mhaseeb123/cudf into fea/materialize-hybrid-scan-columns
…put-nullmasks-for-pruned-pages' into fea/materialize-hybrid-scan-columns
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…mns' into fea/hybrid-scan-example
Signed-off-by: Muhammad Haseeb <14217455+mhaseeb123@users.noreply.github.com>
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mhaseeb123
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Jul 29, 2025
| out_columns.emplace_back(make_column(_output_buffers[i], &col_name, metadata, _stream)); | ||
| } else { | ||
| out_columns.emplace_back(make_column(_output_buffers[i], nullptr, metadata, _stream)); | ||
| } | ||
| } | ||
|
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| out_columns = |
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Copy pasted this stuff from the same function in reader_impl.cpp to sync both versions. I believe this adds optimizations for structs.
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Description
🚧 This PR adds an example for reading a parquet file subject to highly selective string point lookup filter using the new next-gen (hybrid scan) reader. The file is also read using the legacy parquet reader and the timings are compared.
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