class StreamSidePartitioner extends JoinPartitioner
Join partitioner for the stream side of a large join.
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- JoinPartitioner
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Instance Constructors
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new
StreamSidePartitioner(numPartitions: Int, emptyBuildPartitions: BitSet, iter: Iterator[ColumnarBatch], streamTypes: Array[DataType], boundStreamKeys: Seq[Expression], metrics: Map[String, GpuMetric])
- numPartitions
number of partitions being used in the join
- emptyBuildPartitions
BitSet indicating which build side partitions are empty
- iter
iterator of stream side batches
- streamTypes
schema of the stream side batches
- boundStreamKeys
bound join key expressions for the stream side
- metrics
metrics to update
Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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def
addPartition(partIndex: Int, ct: ContiguousTable): Unit
Adds a batch associated with a partition.
Adds a batch associated with a partition.
- partIndex
index of the partition
- ct
contiguous table to add to the specified partition
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- StreamSidePartitioner → JoinPartitioner
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final
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asInstanceOf[T0]: T0
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clone(): AnyRef
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def
close(): Unit
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- StreamSidePartitioner → JoinPartitioner → AutoCloseable
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final
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eq(arg0: AnyRef): Boolean
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equals(arg0: Any): Boolean
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finalize(): Unit
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- def hasInputBatches: Boolean
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final
def
notifyAll(): Unit
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val
opTime: GpuMetric
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- JoinPartitioner
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def
partitionBatch(inputBatch: ColumnarBatch): Unit
Hash partitions a batch in preparation for performing a sub-join.
Hash partitions a batch in preparation for performing a sub-join. The input batch will be closed by this method.
- Attributes
- protected
- Definition Classes
- JoinPartitioner
- def partitionNextBatch(): Unit
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val
partitions: Array[JoinPartition]
- Attributes
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- Definition Classes
- JoinPartitioner
- def releasePartitions(partIndices: BitSet): Array[SpillableColumnarBatch]
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