[spark] branch branch-3.0 updated: [SPARK-32635][SQL][FOLLOW-UP] Add a new test case in catalyst module

[dongjoon]

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The following commit(s) were added to refs/heads/branch-3.0 by this push:
     new 7746c20  [SPARK-32635][SQL][FOLLOW-UP] Add a new test case in catalyst 
module
7746c20 is described below

commit 7746c20ce73887876f19d66d48077608c1cf2575
Author: Peter Toth <peter.t...@gmail.com>
AuthorDate: Fri Sep 18 13:56:19 2020 -0700

    [SPARK-32635][SQL][FOLLOW-UP] Add a new test case in catalyst module
    
    ### What changes were proposed in this pull request?
    This is a follow-up PR to https://github.com/apache/spark/pull/29771 and 
just adds a new test case.
    
    ### Why are the changes needed?
    To have better test coverage.
    
    ### Does this PR introduce _any_ user-facing change?
    No.
    
    ### How was this patch tested?
    New UT.
    
    Closes #29802 from peter-toth/SPARK-32635-fix-foldable-propagation-followup.
    
    Authored-by: Peter Toth <peter.t...@gmail.com>
    Signed-off-by: Dongjoon Hyun <dh...@apple.com>
    (cherry picked from commit 3309a2be071f2d3f6122f3634aea998d6fa53876)
    Signed-off-by: Dongjoon Hyun <dh...@apple.com>
---
 .../sql/catalyst/optimizer/FoldablePropagationSuite.scala    | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git 
a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FoldablePropagationSuite.scala
 
b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FoldablePropagationSuite.scala
index 0d48ecb..59dfd3a 100644
--- 
a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FoldablePropagationSuite.scala
+++ 
b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FoldablePropagationSuite.scala
@@ -180,4 +180,16 @@ class FoldablePropagationSuite extends PlanTest {
       .select((Literal(1) + 3).as('res)).analyze
     comparePlans(optimized, correctAnswer)
   }
+
+  test("SPARK-32635: Replace references with foldables coming only from the 
node's children") {
+    val leftExpression = 'a.int
+    val left = LocalRelation(leftExpression).select('a)
+    val rightExpression = Alias(Literal(2), "a")(leftExpression.exprId)
+    val right = LocalRelation('b.int).select('b, rightExpression).select('b)
+    val join = left.join(right, joinType = LeftOuter, condition = Some('b === 
'a))
+
+    val query = join.analyze
+    val optimized = Optimize.execute(query)
+    comparePlans(optimized, query)
+  }
 }


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