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org.apache.spark.sql.execution.streaming.state

FlatMapGroupsWithStateExecHelper

object FlatMapGroupsWithStateExecHelper

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  1. case class StateData(keyRow: UnsafeRow = null, stateRow: UnsafeRow = null, stateObj: Any = null, timeoutTimestamp: Long = -1) extends Product with Serializable

    Class to capture deserialized state and timestamp return by the state manager.

    Class to capture deserialized state and timestamp return by the state manager. This is intended for reuse.

  2. sealed trait StateManager extends Serializable

    Interface for interacting with state data of FlatMapGroupsWithState

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  6. def createStateManager(stateEncoder: ExpressionEncoder[Any], shouldStoreTimestamp: Boolean, stateFormatVersion: Int): StateManager
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