if none columns in window expr are needed, remove the window exprs #2634
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alamb
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May 28, 2022
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Thank you @AssHero -- can you please add a test case to this PR showing that it fixes the issue reported on #2542?
Perhaps you can add the reproducer from @mateuszkj to https://github.com/apache/arrow-datafusion/blob/master/datafusion/core/tests/sql/window.rs?
yes, i can add a test case. |
alamb
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May 29, 2022
My pleasure |
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Which issue does this PR close?
Closes #2542
Rationale for this change
if the columns in window exprs are not referenced by operator, we can remove the window exprs.
What changes are included in this PR?
remove the window exprs in projection_push_down.rs