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[SPARK-20636] Add new optimization rule to transpose adjacent Window expressions. #17899

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ptkool wants to merge 12 commits into from
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[SPARK-20636] Add new optimization rule to transpose adjacent Window expressions. #17899

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f444b2c
Add new optimization rule to flip adjacent Window expressions.
ptkool May 8, 2017
6f8c036
Changes based on feedback.
ptkool May 9, 2017
b7793cd
Resolve Scala style errors.
ptkool May 9, 2017
f183b78
Resolve more Scala style issues.
ptkool May 9, 2017
1f21841
Small tweak to rule.
ptkool May 9, 2017
9a28535
Changes based on feedback.
ptkool May 20, 2017
76f1721
New test case.
ptkool Jul 12, 2017
f840c69
Fix scalastyle errors
ptkool Oct 29, 2017
e9f6928
Fix another scalastyle error
ptkool Oct 29, 2017
72a4b3a
Resolve conflicts
ptkool Jan 18, 2018
94e8115
Resolve conflicts
ptkool Sep 6, 2018
4328831
Remove style changes
ptkool Sep 7, 2018
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Fix another scalastyle error
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@ptkool
ptkool committed Oct 29, 2017
commit e9f6928bb60e7c4de25324e5572f105a30d16cd5
2 changes: 1 addition & 1 deletion sql/core/src/test/scala/org/apache/spark/sql/DataFrameWindowFunctionsSuite.scala
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Expand Up @@ -468,7 +468,7 @@ class DataFrameWindowFunctionsSuite extends QueryTest with SharedSQLContext {
spark.read.schema(sampleSchema).json(input.toDS()).select(c0, c1).foreach { _ => () }
}
}

test("window functions in multiple selects") {
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@hvanhovell hvanhovell May 16, 2017

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Why this test? It does not really add anything new.

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@ptkool ptkool May 18, 2017 •
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Agreed. I'll remove it.

val df = Seq(
("S1", "P1", 100),
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