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[SPARK-23917][SQL] Add array_max function #21024

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mgaido91 wants to merge 10 commits into from
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[SPARK-23917][SQL] Add array_max function #21024

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93c5b8a
[SPARK-23917][SQL] Add array_max function
mgaido91 Apr 10, 2018
a296bc0
fix scalastyle
mgaido91 Apr 10, 2018
c8c1d03
add missing space
mgaido91 Apr 10, 2018
d017ccf
add orderable type check
mgaido91 Apr 10, 2018
e082f00
fix indentation
mgaido91 Apr 10, 2018
a4fd616
address comment
mgaido91 Apr 12, 2018
a78c752
Merge branch 'master' of github.com:apache/spark into SPARK-23917
mgaido91 Apr 12, 2018
8dfd263
update after codegen changes
mgaido91 Apr 12, 2018
e739a0a
fix nullable
mgaido91 Apr 12, 2018
1cde795
address comment
mgaido91 Apr 13, 2018
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fix nullable
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@mgaido91
mgaido91 authored Apr 12, 2018
commit e739a0a247bc3782ee4348246eff921c86f83e13
3 changes: 1 addition & 2 deletions ...alyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
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Expand Up @@ -301,8 +301,7 @@ case class ArrayContains(left: Expression, right: Expression)
""", since = "2.4.0")
case class ArrayMax(child: Expression) extends UnaryExpression with ImplicitCastInputTypes {

override def nullable: Boolean =
child.nullable || child.dataType.asInstanceOf[ArrayType].containsNull
override def nullable: Boolean = true

override def inputTypes: Seq[AbstractDataType] = Seq(ArrayType)

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