feat: [comet-parquet-exec] Use Datafusion based record batch reader for use in iceberg reads#1174
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andygrove merged 10 commits intoapache:comet-parquet-execfrom Dec 17, 2024
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LGTM. Once this merges I'll work on getting in sync with main.
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Replaces the arrow native reader with DataFusion's ParquetExec (at the expense of several TODO's). This implementation passes more unit tests and is equal in speed to the full native reader.