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Posted to github@datafusion.apache.org by "andygrove (via GitHub)" <gi...@apache.org> on 2026/04/20 19:42:52 UTC
[I] Enable windowed aggregates and fix correctness issues [datafusion-comet]
andygrove opened a new issue, #4007:
URL: https://github.com/apache/datafusion-comet/issues/4007
### What is the problem the feature request solves?
Windowed aggregates are disabled by default. This hurts performance in TPC-DS.
I had an earlier PR to start addressing this but it could closed due to becoming stale: https://github.com/apache/datafusion-comet/pull/3397
### Describe the potential solution
_No response_
### Additional context
_No response_
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Re: [I] Enable windowed aggregates and fix correctness issues [datafusion-comet]
Posted by "comphead (via GitHub)" <gi...@apache.org>.
comphead commented on issue #4007:
URL: https://github.com/apache/datafusion-comet/issues/4007#issuecomment-4314566716
I'll take this as working on windows
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Re: [I] Enable windowed aggregates and fix correctness issues [datafusion-comet]
Posted by "comphead (via GitHub)" <gi...@apache.org>.
comphead closed issue #4007: Enable windowed aggregates and fix correctness issues
URL: https://github.com/apache/datafusion-comet/issues/4007
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Re: [I] Enable windowed aggregates and fix correctness issues [datafusion-comet]
Posted by "coderfender (via GitHub)" <gi...@apache.org>.
coderfender commented on issue #4007:
URL: https://github.com/apache/datafusion-comet/issues/4007#issuecomment-4390613987
https://github.com/apache/datafusion-comet/issues/858
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Re: [I] Enable windowed aggregates and fix correctness issues [datafusion-comet]
Posted by "comphead (via GitHub)" <gi...@apache.org>.
comphead commented on issue #4007:
URL: https://github.com/apache/datafusion-comet/issues/4007#issuecomment-4410553003
Default value is ColumnExpr not supported for LAG/LEAD https://github.com/apache/datafusion-comet/issues/4268
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Re: [I] Enable windowed aggregates and fix correctness issues [datafusion-comet]
Posted by "comphead (via GitHub)" <gi...@apache.org>.
comphead commented on issue #4007:
URL: https://github.com/apache/datafusion-comet/issues/4007#issuecomment-4392956952
NTILE bug https://github.com/apache/datafusion/issues/22049
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