Packages

t

org.apache.spark.sql.delta

SnapshotStateManager

trait SnapshotStateManager extends DeltaLogging

A helper class that manages the SnapshotState for a given snapshot. Will generate it only when necessary.

Self Type
Snapshot
Linear Supertypes
DeltaLogging, DatabricksLogging, DeltaProgressReporter, Logging, AnyRef, Any
Known Subclasses
InitialSnapshot, Snapshot
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. SnapshotStateManager
  2. DeltaLogging
  3. DatabricksLogging
  4. DeltaProgressReporter
  5. Logging
  6. AnyRef
  7. Any
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Visibility
  1. Public
  2. Protected

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 aggregationsToComputeState: Map[String, Column]

    A Map of alias to aggregations which needs to be done to calculate the computedState

    A Map of alias to aggregations which needs to be done to calculate the computedState

    Attributes
    protected
  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. lazy val computedState: SnapshotState

    Compute the SnapshotState of a table.

    Compute the SnapshotState of a table. Uses the stateDF from the Snapshot to extract the necessary stats.

    Attributes
    protected
  8. def deltaAssert(check: => Boolean, name: String, msg: String, deltaLog: DeltaLog = null, data: AnyRef = null, path: Option[Path] = None): Unit

    Helper method to check invariants in Delta code.

    Helper method to check invariants in Delta code. Fails when running in tests, records a delta assertion event and logs a warning otherwise.

    Attributes
    protected
    Definition Classes
    DeltaLogging
  9. def domainMetadata: Seq[DomainMetadata]
  10. def domainMetadatasIfKnown: Option[Seq[DomainMetadata]]
    Attributes
    protected[delta]
  11. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  12. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  13. def extractComputedState(stateDF: DataFrame): SnapshotState

    Extract the SnapshotState from the provided dataframe of actions.

    Extract the SnapshotState from the provided dataframe of actions. Requires that the dataframe has already been deduplicated (either through logReplay or some other method).

    Attributes
    protected
  14. def fileSizeHistogram: Option[FileSizeHistogram]
  15. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable])
  16. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  17. def getCommonTags(deltaLog: DeltaLog, tahoeId: String): Map[TagDefinition, String]
    Definition Classes
    DeltaLogging
  18. def getErrorData(e: Throwable): Map[String, Any]
    Definition Classes
    DeltaLogging
  19. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  20. def initialState(metadata: Metadata): SnapshotState

    Generate a default SnapshotState of a new table, given the table metadata

    Generate a default SnapshotState of a new table, given the table metadata

    Attributes
    protected
  21. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  22. def initializeLogIfNecessary(isInterpreter: Boolean): Unit
    Attributes
    protected
    Definition Classes
    Logging
  23. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  24. def isTraceEnabled(): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  25. def log: Logger
    Attributes
    protected
    Definition Classes
    Logging
  26. def logConsole(line: String): Unit
    Definition Classes
    DatabricksLogging
  27. def logDebug(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  28. def logDebug(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  29. def logError(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  30. def logError(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  31. def logInfo(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  32. def logInfo(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  33. def logName: String
    Attributes
    protected
    Definition Classes
    Logging
  34. def logTrace(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  35. def logTrace(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  36. def logWarning(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  37. def logWarning(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  38. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  39. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  40. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  41. def numOfFiles: Long
  42. def numOfFilesIfKnown: Option[Long]
    Attributes
    protected[delta]
  43. def numOfMetadata: Long
  44. def numOfProtocol: Long
  45. def numOfRemoves: Long
  46. def numOfSetTransactions: Long
  47. def recordDeltaEvent(deltaLog: DeltaLog, opType: String, tags: Map[TagDefinition, String] = Map.empty, data: AnyRef = null, path: Option[Path] = None): Unit

    Used to record the occurrence of a single event or report detailed, operation specific statistics.

    Used to record the occurrence of a single event or report detailed, operation specific statistics.

    path

    Used to log the path of the delta table when deltaLog is null.

    Attributes
    protected
    Definition Classes
    DeltaLogging
  48. def recordDeltaOperation[A](deltaLog: DeltaLog, opType: String, tags: Map[TagDefinition, String] = Map.empty)(thunk: => A): A

    Used to report the duration as well as the success or failure of an operation on a deltaLog.

    Used to report the duration as well as the success or failure of an operation on a deltaLog.

    Attributes
    protected
    Definition Classes
    DeltaLogging
  49. def recordDeltaOperationForTablePath[A](tablePath: String, opType: String, tags: Map[TagDefinition, String] = Map.empty)(thunk: => A): A

    Used to report the duration as well as the success or failure of an operation on a tahoePath.

    Used to report the duration as well as the success or failure of an operation on a tahoePath.

    Attributes
    protected
    Definition Classes
    DeltaLogging
  50. def recordEvent(metric: MetricDefinition, additionalTags: Map[TagDefinition, String] = Map.empty, blob: String = null, trimBlob: Boolean = true): Unit
    Definition Classes
    DatabricksLogging
  51. def recordFrameProfile[T](group: String, name: String)(thunk: => T): T
    Attributes
    protected
    Definition Classes
    DeltaLogging
  52. def recordOperation[S](opType: OpType, opTarget: String = null, extraTags: Map[TagDefinition, String], isSynchronous: Boolean = true, alwaysRecordStats: Boolean = false, allowAuthTags: Boolean = false, killJvmIfStuck: Boolean = false, outputMetric: MetricDefinition = METRIC_OPERATION_DURATION, silent: Boolean = true)(thunk: => S): S
    Definition Classes
    DatabricksLogging
  53. def recordProductEvent(metric: MetricDefinition with CentralizableMetric, additionalTags: Map[TagDefinition, String] = Map.empty, blob: String = null, trimBlob: Boolean = true): Unit
    Definition Classes
    DatabricksLogging
  54. def recordProductUsage(metric: MetricDefinition with CentralizableMetric, quantity: Double, additionalTags: Map[TagDefinition, String] = Map.empty, blob: String = null, forceSample: Boolean = false, trimBlob: Boolean = true, silent: Boolean = false): Unit
    Definition Classes
    DatabricksLogging
  55. def recordUsage(metric: MetricDefinition, quantity: Double, additionalTags: Map[TagDefinition, String] = Map.empty, blob: String = null, forceSample: Boolean = false, trimBlob: Boolean = true, silent: Boolean = false): Unit
    Definition Classes
    DatabricksLogging
  56. def setTransactions: Seq[SetTransaction]
  57. def setTransactionsIfKnown: Option[Seq[SetTransaction]]
    Attributes
    protected[delta]
  58. def sizeInBytes: Long

    The following is a list of convenience methods for accessing the computedState.

  59. def sizeInBytesIfKnown: Option[Long]
    Attributes
    protected[delta]
  60. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  61. def toString(): String
    Definition Classes
    AnyRef → Any
  62. lazy val transactions: Map[String, Long]

    A map to look up transaction version by appId.

  63. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  64. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  65. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  66. def withStatusCode[T](statusCode: String, defaultMessage: String, data: Map[String, Any] = Map.empty)(body: => T): T

    Report a log to indicate some command is running.

    Report a log to indicate some command is running.

    Definition Classes
    DeltaProgressReporter

Inherited from DeltaLogging

Inherited from DatabricksLogging

Inherited from DeltaProgressReporter

Inherited from Logging

Inherited from AnyRef

Inherited from Any

Ungrouped