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Posted to github@datafusion.apache.org by "andygrove (via GitHub)" <gi...@apache.org> on 2024/09/05 22:17:33 UTC
[I] Parquest pushdown not enabled unless prefetch is enabled [datafusion-comet]
andygrove opened a new issue, #918:
URL: https://github.com/apache/datafusion-comet/issues/918
### Describe the bug
In `org.apache.comet.parquet.CometParquetPartitionReaderFactory#createColumnarReader` we only call `buildCometReader` if prefetch is enabled, and prefetch is disabled by default. This means that we never push down the Parquet filter by default.
### Steps to reproduce
_No response_
### Expected behavior
_No response_
### Additional context
_No response_
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Re: [I] Parquet pushdown not enabled unless prefetch is enabled [datafusion-comet]
Posted by "andygrove (via GitHub)" <gi...@apache.org>.
andygrove commented on issue #918:
URL: https://github.com/apache/datafusion-comet/issues/918#issuecomment-2334913121
I was mistaken. The code is complex to follow but it does always call buildCometReader eventually
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Re: [I] Parquet pushdown not enabled unless prefetch is enabled [datafusion-comet]
Posted by "andygrove (via GitHub)" <gi...@apache.org>.
andygrove closed issue #918: Parquet pushdown not enabled unless prefetch is enabled
URL: https://github.com/apache/datafusion-comet/issues/918
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