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org.apache.spark.sql.delta.actions

TableFeatureProtocolUtils

object TableFeatureProtocolUtils

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  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. val DEFAULT_FEATURE_PROP_PREFIX: String

    Prop prefix in Spark sessions configs.

  5. val FEATURE_PROP_PREFIX: String

    Prop prefix in table properties.

  6. val FEATURE_PROP_SUPPORTED: String

    The string constant "supported" for uses in table properties.

  7. val TABLE_FEATURES_MIN_READER_VERSION: Int

    Min reader version that supports reader features.

  8. val TABLE_FEATURES_MIN_WRITER_VERSION: Int

    Min reader version that supports writer features.

  9. final def asInstanceOf[T0]: T0
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  10. def clone(): AnyRef
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    protected[lang]
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    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  11. def defaultPropertyKey(featureName: String): String

    Get the session default config key for the featureName.

  12. def defaultPropertyKey(feature: TableFeature): String

    Get the session default config key for the feature.

  13. final def eq(arg0: AnyRef): Boolean
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  14. def equals(arg0: AnyRef): Boolean
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  15. def finalize(): Unit
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  16. final def getClass(): Class[_ <: AnyRef]
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    @native()
  17. def getSupportedFeaturesFromTableConfigs(configs: Map[String, String]): Set[TableFeature]

    Get a set of TableFeatures representing supported features set in a table properties map.

  18. def hashCode(): Int
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  19. final def isInstanceOf[T0]: Boolean
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  20. def isTableProtocolProperty(key: String): Boolean

    Checks if the the given table property key is a Table Protocol property, i.e., delta.minReaderVersion, delta.minWriterVersion, delta.ignoreProtocolDefaults, or anything that starts with delta.feature.

  21. def minimumRequiredVersions(features: Seq[TableFeature]): (Int, Int)

    Returns the minimum reader/writer versions required to support all provided features.

  22. final def ne(arg0: AnyRef): Boolean
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  23. final def notify(): Unit
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  24. final def notifyAll(): Unit
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  25. def propertyKey(featureName: String): String

    Get the table property config key for the featureName.

  26. def propertyKey(feature: TableFeature): String

    Get the table property config key for the feature.

  27. def supportsReaderFeatures(readerVersion: Int): Boolean

    Determine whether a Protocol with the given reader protocol version is capable of adding features into its readerFeatures field.

  28. def supportsWriterFeatures(writerVersion: Int): Boolean

    Determine whether a Protocol with the given writer protocol version is capable of adding features into its writerFeatures field.

  29. final def synchronized[T0](arg0: => T0): T0
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  30. def toString(): String
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  31. final def wait(): Unit
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  32. final def wait(arg0: Long, arg1: Int): Unit
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  33. final def wait(arg0: Long): Unit
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Deprecated Value Members

  1. val FEATURE_PROP_ENABLED: String

    The string constant "enabled" for uses in table properties.

    The string constant "enabled" for uses in table properties.

    Deprecated

    This value is deprecated to avoid confusion with features that are actually enabled by table metadata. Use FEATURE_PROP_SUPPORTED instead.

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