spark-reviews mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From cloud-fan <...@git.apache.org>
Subject [GitHub] spark pull request #21028: [SPARK-23922][SQL] Add arrays_overlap function
Date Thu, 26 Apr 2018 11:11:44 GMT
Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/21028#discussion_r184351841
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
---
    @@ -288,6 +288,114 @@ case class ArrayContains(left: Expression, right: Expression)
       override def prettyName: String = "array_contains"
     }
     
    +/**
    + * Checks if the two arrays contain at least one common element.
    + */
    +@ExpressionDescription(
    +  usage = "_FUNC_(a1, a2) - Returns true if a1 contains at least an element present also
in a2.",
    +  examples = """
    +    Examples:
    +      > SELECT _FUNC_(array(1, 2, 3), array(3, 4, 5));
    +       true
    +  """, since = "2.4.0")
    +case class ArraysOverlap(left: Expression, right: Expression)
    +  extends BinaryExpression with ImplicitCastInputTypes {
    +
    +  private lazy val elementType = inputTypes.head.asInstanceOf[ArrayType].elementType
    +
    +  override def dataType: DataType = BooleanType
    +
    +  override def inputTypes: Seq[AbstractDataType] = left.dataType match {
    --- End diff --
    
    yea if implicit type cast is not allowed for these functions.


---

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscribe@spark.apache.org
For additional commands, e-mail: reviews-help@spark.apache.org


Mime
View raw message