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object GpuHashJoin extends Serializable

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  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. def anyNullableStructChild(expressions: Seq[Expression]): Boolean

    Given sequence of expressions, detect whether there exists any StructType expressions who contains nullable child columns.

    Given sequence of expressions, detect whether there exists any StructType expressions who contains nullable child columns. Since cuDF can not match nullable children as Spark during join, we detect them before join to apply some walking around strategies. For some details, please refer the issue: https://github.com/NVIDIA/spark-rapids/issues/2126.

    NOTE that this does not work for arrays of Structs or Maps that are not supported as join keys yet.

  5. final def asInstanceOf[T0]: T0
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  6. def canBuildLeft(joinType: JoinType): Boolean

    Determine if this type of join supports using the left side of the join as the build side.

  7. def canBuildRight(joinType: JoinType): Boolean

    Determine if this type of join supports using the right side of the join as the build side.

  8. def canRewriteAsLongType(keys: Seq[Expression]): Boolean

    The function is copied from Spark 3.2: https://github.com/apache/spark/blob/v3.2.2/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashJoin.scala#L709-L713

    The function is copied from Spark 3.2: https://github.com/apache/spark/blob/v3.2.2/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashJoin.scala#L709-L713

    Returns whether the keys can be rewritten as a packed long. If they can, we can assume that they are packed when we extract them out.

  9. def clone(): AnyRef
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  10. final def eq(arg0: AnyRef): Boolean
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  11. def equals(arg0: Any): Boolean
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  12. def extractTopLevelAttributes(exprs: Seq[Expression], includeAlias: Boolean): Seq[Option[Attribute]]
  13. def filterNullsWithRetryAndClose(sb: SpillableColumnarBatch, boundKeys: Seq[Expression]): ColumnarBatch

    Filter rows from the batch where any of the keys are null.

  14. def finalize(): Unit
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  15. final def getClass(): Class[_]
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  16. def hashCode(): Int
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  17. final def isInstanceOf[T0]: Boolean
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  18. final def ne(arg0: AnyRef): Boolean
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  19. final def notify(): Unit
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  20. final def notifyAll(): Unit
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  21. final def synchronized[T0](arg0: ⇒ T0): T0
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  22. def tagJoin(meta: SparkPlanMeta[_], joinType: JoinType, buildSide: GpuBuildSide, leftKeys: Seq[Expression], rightKeys: Seq[Expression], conditionMeta: Option[BaseExprMeta[_]]): Unit
  23. def toString(): String
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  24. final def wait(): Unit
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  25. final def wait(arg0: Long, arg1: Int): Unit
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  26. final def wait(arg0: Long): Unit
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