Class

org.apache.spark.sql.execution.streaming.FlatMapGroupsWithStateExec

StateStoreUpdater

Related Doc: package FlatMapGroupsWithStateExec

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class StateStoreUpdater extends AnyRef

Helper class to update the state store

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Instance Constructors

  1. new StateStoreUpdater(store: StateStore)

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Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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  9. final def getClass(): Class[_]

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  10. def getStateObj(stateRowOption: Option[UnsafeRow]): Option[Any]

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    Returns the state as Java object if defined

  11. def getStateRow(obj: Any): UnsafeRow

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    Returns the row for an updated state

  12. def getTimeoutTimestamp(stateRow: UnsafeRow): Long

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    Returns the timeout timestamp of a state row is set

  13. def hashCode(): Int

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  14. final def isInstanceOf[T0]: Boolean

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  15. final def ne(arg0: AnyRef): Boolean

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. def setTimeoutTimestamp(stateRow: UnsafeRow, timeoutTimestamps: Long): Unit

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    Set the timestamp in a state row

  19. final def synchronized[T0](arg0: ⇒ T0): T0

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  20. def toString(): String

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  21. def updateStateForKeysWithData(dataIter: Iterator[InternalRow]): Iterator[InternalRow]

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    For every group, get the key, values and corresponding state and call the function, and return an iterator of rows

  22. def updateStateForTimedOutKeys(): Iterator[InternalRow]

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    Find the groups that have timeout set and are timing out right now, and call the function

  23. final def wait(): Unit

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  24. final def wait(arg0: Long, arg1: Int): Unit

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  25. final def wait(arg0: Long): Unit

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