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Posted to commits@hudi.apache.org by "xushiyan (via GitHub)" <gi...@apache.org> on 2024/11/30 21:38:49 UTC
[I] Integrate with datafusion to support projection pushdown from SQL [hudi-rs]
xushiyan opened a new issue, #206:
URL: https://github.com/apache/hudi-rs/issues/206
Similar to #160 , support projection pushdown
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Re: [I] Integrate with datafusion to support projection pushdown from SQL [hudi-rs]
Posted by "jonathanc-n (via GitHub)" <gi...@apache.org>.
jonathanc-n commented on issue #206:
URL: https://github.com/apache/hudi-rs/issues/206#issuecomment-2530204485
@xushiyan What will this one entail? Projections in hudi are a little different due to being group partitioned versus file partitioning. Should we do a schema projection here?
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Re: [I] Integrate with datafusion to support projection pushdown from SQL [hudi-rs]
Posted by "xushiyan (via GitHub)" <gi...@apache.org>.
xushiyan commented on issue #206:
URL: https://github.com/apache/hudi-rs/issues/206#issuecomment-2629037998
@jonathanc-n so there is FileGroupReader for reading file slices. this is about passing projection to file group reader such that i only extract needed columns.
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Re: [I] Integrate with datafusion to support projection pushdown from SQL [hudi-rs]
Posted by "xushiyan (via GitHub)" <gi...@apache.org>.
xushiyan closed issue #206: Integrate with datafusion to support projection pushdown from SQL
URL: https://github.com/apache/hudi-rs/issues/206
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