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[SPARK-33884][SQL] Simplify CaseWhenclauses with (true and false) and (false and true) #30898

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wangyum wants to merge 9 commits into from
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[SPARK-33884][SQL] Simplify CaseWhenclauses with (true and false) and (false and true) #30898

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c78882a
simplify CaseWhen when one clause is null and another is boolean
wangyum Dec 23, 2020
44733f8
Add test to PushFoldableIntoBranchesSuite
wangyum Dec 23, 2020
15c74ca
Merge remote-tracking branch 'upstream/master' into SPARK-33884
wangyum Dec 24, 2020
afbded1
Merge remote-tracking branch 'upstream/master' into SPARK-33884
wangyum Dec 24, 2020
91ec8b2
fix
wangyum Dec 25, 2020
871d29f
fix
wangyum Dec 25, 2020
ae3b284
fix
wangyum Dec 28, 2020
186a3d5
Merge remote-tracking branch 'upstream/master' into SPARK-33884
wangyum Dec 29, 2020
d3b072e
fix
wangyum Dec 29, 2020
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fix
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@wangyum
wangyum committed Dec 25, 2020
commit 871d29fa5bf5fb557483ac07c1f0a3cb660c40dc
8 changes: 3 additions & 5 deletions ...rc/test/scala/org/apache/spark/sql/catalyst/optimizer/PushFoldableIntoBranchesSuite.scala
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Expand Up @@ -68,8 +68,7 @@ class PushFoldableIntoBranchesSuite
assert(!nonDeterministic.deterministic)
assertEquivalent(EqualTo(nonDeterministic, Literal(2)),
GreaterThanOrEqual(Rand(1), Literal(0.5)))
assertEquivalent(EqualTo(nonDeterministic, Literal(3)),
If(LessThan(Rand(1), Literal(0.5)), FalseLiteral, FalseLiteral))
assertEquivalent(EqualTo(nonDeterministic, Literal(3)), FalseLiteral)

// Handle Null values.
assertEquivalent(
Expand Down Expand Up @@ -141,9 +140,8 @@ class PushFoldableIntoBranchesSuite
CaseWhen(Seq((LessThan(Rand(1), Literal(0.5)), Literal(1))), Some(Literal(2)))
assert(!nonDeterministic.deterministic)
assertEquivalent(EqualTo(nonDeterministic, Literal(2)),
CaseWhen(Seq((LessThan(Rand(1), Literal(0.5)), FalseLiteral)), Some(TrueLiteral)))
assertEquivalent(EqualTo(nonDeterministic, Literal(3)),
CaseWhen(Seq((LessThan(Rand(1), Literal(0.5)), FalseLiteral)), Some(FalseLiteral)))
GreaterThanOrEqual(Rand(1), Literal(0.5)))
assertEquivalent(EqualTo(nonDeterministic, Literal(3)), FalseLiteral)

// Handle Null values.
assertEquivalent(
Expand Down