Packages

c

org.apache.spark.sql.catalyst.plans.physical

ClusteredDistribution

case class ClusteredDistribution(clustering: Seq[Expression], requireAllClusterKeys: Boolean = SQLConf.get.getConf( SQLConf.REQUIRE_ALL_CLUSTER_KEYS_FOR_DISTRIBUTION), requiredNumPartitions: Option[Int] = None) extends Distribution with Product with Serializable

Represents data where tuples that share the same values for the clustering Expressions will be co-located in the same partition.

requireAllClusterKeys

When true, Partitioning which satisfies this distribution, must match all clustering expressions in the same ordering.

Linear Supertypes
Serializable, Product, Equals, Distribution, AnyRef, Any
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Inherited
  1. ClusteredDistribution
  2. Serializable
  3. Product
  4. Equals
  5. Distribution
  6. AnyRef
  7. Any
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Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new ClusteredDistribution(clustering: Seq[Expression], requireAllClusterKeys: Boolean = SQLConf.get.getConf( SQLConf.REQUIRE_ALL_CLUSTER_KEYS_FOR_DISTRIBUTION), requiredNumPartitions: Option[Int] = None)

    requireAllClusterKeys

    When true, Partitioning which satisfies this distribution, must match all clustering expressions in the same ordering.

Value Members

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

    Checks if expressions match all clustering expressions in the same ordering.

    Checks if expressions match all clustering expressions in the same ordering.

    Partitioning should call this to check its expressions when requireAllClusterKeys is set to true.

  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  7. val clustering: Seq[Expression]
  8. def createPartitioning(numPartitions: Int): Partitioning

    Creates a default partitioning for this distribution, which can satisfy this distribution while matching the given number of partitions.

    Creates a default partitioning for this distribution, which can satisfy this distribution while matching the given number of partitions.

    Definition Classes
    ClusteredDistribution → Distribution
  9. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  10. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable])
  11. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  12. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  13. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  14. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  15. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  16. def productElementNames: Iterator[String]
    Definition Classes
    Product
  17. val requireAllClusterKeys: Boolean
  18. val requiredNumPartitions: Option[Int]

    The required number of partitions for this distribution.

    The required number of partitions for this distribution. If it's None, then any number of partitions is allowed for this distribution.

    Definition Classes
    ClusteredDistribution → Distribution
  19. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  20. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  21. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  22. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from Distribution

Inherited from AnyRef

Inherited from Any

Ungrouped