[SPARK-24066][SQL]Add new optimization rule to eliminate unnecessary sort by exchanged adjacent Window expressions #22945
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What changes were proposed in this pull request?
Currently, when two adjacent window functions have the same partition and the same intersection of order,
There will be two sorted after shuffling, which is not necessary. This PR adds a new optimization rule to eliminate unnecessary sort by exchanged adjacent Window expressions.
For example:
Before this PR:
After this PR:
How was this patch tested?
add new unit tested