H2OSchemaUtils

Value Members

1. final def !=(arg0: AnyRef): Boolean

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2. final def !=(arg0: Any): Boolean

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3. final def ##(): Int

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4. final def ==(arg0: AnyRef): Boolean

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5. final def ==(arg0: Any): Boolean

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6. val ARRAY_TYPE: Byte

7. val NORMAL_TYPE: Byte

8. val VEC_TYPE: Byte

9. final def asInstanceOf[T0]: T0

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10. def clone(): AnyRef

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    protected[java.lang]

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11. def collectArrayLikeTypes(fields: Seq[StructField], path: Seq[Int] = Seq()): Seq[Seq[Int]]

12. def collectStringTypesIndx(fields: Seq[StructField], path: Seq[Int] = Seq()): Seq[Seq[Int]]

    Collect all StringType indexes in give list representing schema

13. def collectTypeIndx(fields: Seq[StructField], path: Seq[Int] = Seq()): Seq[Seq[Int]]

14. def collectVectorLikeTypes(fields: Seq[StructField], path: Seq[Int] = Seq()): Seq[Seq[Int]]

15. def createSchema(f: H2OFrame): StructType

16. def dataTypeToVecType(dt: DataType): Byte

    Method translating SQL types into Sparkling Water types

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

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18. def equals(arg0: Any): Boolean

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19. def expandedSchema(sc: SparkContext, srdd: DataFrame): Seq[(Seq[Int], StructField, Byte)]

    Returns expanded schema

    Returns expanded schema

    • schema is represented as list of types and its position inside row
    • all arrays are expanded into columns based on the longest one
    • all vectors are expanded into columns

    sc

    actual Spark context

    srdd

    schema-based RDD

    returns

    list of types with their positions

20. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )

21. def flatSchema(s: StructType, typeName: Option[String] = None, nullable: Boolean = false): Seq[StructField]

    Return flattenized type - recursively transforms StrucType into Seq of encapsulated types.

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

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23. def hashCode(): Int

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24. final def isInstanceOf[T0]: Boolean

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

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26. final def notify(): Unit

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27. final def notifyAll(): Unit

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28. def numericVecTypeToDataType(v: Vec): DataType

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

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30. def toString(): String

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31. def vecTypeToDataType(v: Vec): DataType

    Return catalyst structural type for given H2O vector.

    Return catalyst structural type for given H2O vector.

    The mapping of type is flat, if type is unrecognized IllegalArgumentException is thrown.

    v

    H2O vector

    returns

    catalyst data type

32. final def wait(): Unit

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

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

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