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Support selection pruning #15

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Jefffrey opened this issue Nov 3, 2023 · 1 comment

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enhancement medium

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Jefffrey commented Nov 3, 2023 •

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Make use of file statistics, stripe statistics, column statistics, row group indexes, and bloom filters

Need way to expose this functionality so users (like datafusion) can utilize to efficiently query large ORC files, e.g. via predicate pushdown

Jefffrey changed the title ~~Support predicate pushdown~~

waynexia mentioned this issue

Short-term roadmap for this implementation #7

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Jefffrey added enhancement medium labels

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Jefffrey commented Apr 1, 2024

Take inspiration from how parquet handles exposing the necessary information/behaviour: https://docs.rs/parquet/latest/parquet/arrow/arrow_reader/type.ParquetRecordBatchReaderBuilder.html

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