Class

net.heartsavior.spark.sql.state.migration

FlatMapGroupsWithStateMigrator

Related Doc: package migration

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class FlatMapGroupsWithStateMigrator extends Logging

This class enables migration functionality for query using (flat)MapGroupsWithState.

Source
FlatMapGroupsWithStateMigrator.scala
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Instance Constructors

  1. new FlatMapGroupsWithStateMigrator(spark: SparkSession)

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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. def convertVersion1To2(checkpointRoot: Path, newCheckpointRoot: Path, keySchema: StructType, valueSchema: StructType): Unit

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    Migrate state being written as format version 1 to format version 2.

    Migrate state being written as format version 1 to format version 2.

    checkpointRoot

    the root path of existing checkpoint

    newCheckpointRoot

    the root path savepoint with migrated state will be stored

    keySchema

    key schema of existing state

    valueSchema

    value schema of existing state

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

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  8. def equals(arg0: Any): Boolean

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  9. def finalize(): Unit

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

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  11. def hashCode(): Int

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  12. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean

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  13. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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  14. final def isInstanceOf[T0]: Boolean

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  15. def isTraceEnabled(): Boolean

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  16. def log: Logger

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  17. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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  18. def logDebug(msg: ⇒ String): Unit

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  19. def logError(msg: ⇒ String, throwable: Throwable): Unit

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  20. def logError(msg: ⇒ String): Unit

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  21. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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  22. def logInfo(msg: ⇒ String): Unit

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  23. def logName: String

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  24. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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  25. def logTrace(msg: ⇒ String): Unit

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  26. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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  27. def logWarning(msg: ⇒ String): Unit

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

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  29. final def notify(): Unit

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  30. final def notifyAll(): Unit

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

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  32. def toString(): String

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  33. final def wait(): Unit

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

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

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