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c

org.apache.spark.sql.delta

DeltaIdentityColumnStatsTracker

class DeltaIdentityColumnStatsTracker extends DeltaJobStatisticsTracker

Stats tracker for IDENTITY column high water marks. The only difference between this class and DeltaJobStatisticsTracker is how the stats are aggregated on the driver.

Linear Supertypes
DeltaJobStatisticsTracker, WriteJobStatsTracker, Serializable, Serializable, AnyRef, Any
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Inherited
  1. DeltaIdentityColumnStatsTracker
  2. DeltaJobStatisticsTracker
  3. WriteJobStatsTracker
  4. Serializable
  5. Serializable
  6. AnyRef
  7. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new DeltaIdentityColumnStatsTracker(hadoopConf: Configuration, path: Path, dataCols: Seq[Attribute], statsColExpr: Expression, identityColumnInfo: Seq[(String, Boolean)])

    hadoopConf

    The Hadoop configuration object to use on an executor.

    path

    Root Reservoir path

    dataCols

    Resolved data (i.e. non-partitionBy) columns of the dataframe to be written.

    statsColExpr

    The expression to collect high water marks.

    identityColumnInfo

    Information of IDENTITY columns. It contains a pair of column name and whether it has a positive step for each IDENTITY column.

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. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  6. val dataCols: Seq[Attribute]
    Definition Classes
    DeltaJobStatisticsTracker
  7. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  8. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  9. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  11. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  12. var highWaterMarks: Map[String, Long]
  13. val identityColumnInfo: Seq[(String, Boolean)]
  14. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  15. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  16. def newTaskInstance(): WriteTaskStatsTracker
    Definition Classes
    DeltaJobStatisticsTracker → WriteJobStatsTracker
  17. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  18. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  19. val path: Path
    Definition Classes
    DeltaJobStatisticsTracker
  20. def processStats(stats: Seq[WriteTaskStats], jobCommitTime: Long): Unit
    Definition Classes
    DeltaIdentityColumnStatsTrackerDeltaJobStatisticsTracker → WriteJobStatsTracker
  21. var recordedStats: Map[String, String]
    Definition Classes
    DeltaJobStatisticsTracker
  22. val statsColExpr: Expression
    Definition Classes
    DeltaJobStatisticsTracker
  23. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  24. def toString(): String
    Definition Classes
    AnyRef → Any
  25. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  26. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  27. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()

Inherited from DeltaJobStatisticsTracker

Inherited from WriteJobStatsTracker

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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