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[SPARK-41630][SQL] Support implicit lateral column alias resolution on Project #38776

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anchovYu wants to merge 18 commits into from
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[SPARK-41630][SQL] Support implicit lateral column alias resolution on Project #38776

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04959c2
refactor analyzer adding a new object
anchovYu Nov 23, 2022
6f44c85
lca code
anchovYu Nov 23, 2022
725e5ac
add tests, refine logic
anchovYu Nov 28, 2022
660e1d2
move lca rule to a new file
anchovYu Nov 28, 2022
fd06094
rename conf
anchovYu Nov 28, 2022
7d4f80f
test failure
anchovYu Nov 29, 2022
b9704d5
small fix
anchovYu Nov 29, 2022
97ee293
Merge remote-tracking branch 'apache/master' into SPARK-27561-refactor
anchovYu Dec 1, 2022
5785943
make changes to accomodate the recent refactor
anchovYu Dec 2, 2022
757cffb
introduce leaf exp in Project as well
anchovYu Dec 5, 2022
29de892
handle a corner case
anchovYu Dec 5, 2022
72991c6
add more tests; add check rule
anchovYu Dec 6, 2022
d45fe31
uplift the necessity to resolve expression in second phase; add more …
anchovYu Dec 8, 2022
1f55f73
address comments to add tests for LCA off
anchovYu Dec 8, 2022
f753529
revert the refactor, split LCA into two rules
anchovYu Dec 9, 2022
b9f706f
better refactor
anchovYu Dec 9, 2022
94d5c9e
address comments
anchovYu Dec 9, 2022
8d20986
address comments
anchovYu Dec 13, 2022
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test failure
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@anchovYu
anchovYu committed Nov 29, 2022
commit 7d4f80f4c74a77dfceb77b4d86d36cd83d63d9c5
4 changes: 2 additions & 2 deletions ...yst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveLateralColumnAlias.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -102,9 +102,9 @@ object ResolveLateralColumnAlias extends Rule[LogicalPlan] {
if (referencedAliases.isEmpty) {
p
} else {
val outerProjectList = projectList.to[collection.mutable.Seq]
val outerProjectList = collection.mutable.Seq(projectList: _*)
val innerProjectList =
child.output.map(_.asInstanceOf[NamedExpression]).to[collection.mutable.ArrayBuffer]
collection.mutable.ArrayBuffer(child.output.map(_.asInstanceOf[NamedExpression]): _*)
referencedAliases.foreach { case AliasEntry(alias: Alias, idx) =>
outerProjectList.update(idx, alias.toAttribute)
innerProjectList += alias
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