org.apache.spark.sql.catalyst

JavaTypeInference

object JavaTypeInference

Type-inference utilities for POJOs and Java collections.

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  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. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  8. def constructorFor(beanClass: Class[_]): Expression

    Returns an expression that can be used to construct an object of java bean T given an input row with a compatible schema.

    Returns an expression that can be used to construct an object of java bean T given an input row with a compatible schema. Fields of the row will be extracted using UnresolvedAttributes of the same name as the constructor arguments. Nested classes will have their fields accessed using UnresolvedExtractValue.

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

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  10. def equals(arg0: Any): Boolean

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  11. def extractorsFor(beanClass: Class[_]): CreateNamedStruct

    Returns expressions for extracting all the fields from the given type.

  12. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  13. final def getClass(): Class[_]

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  14. def hashCode(): Int

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  15. def inferDataType(beanClass: Class[_]): (DataType, Boolean)

    Infers the corresponding SQL data type of a JavaBean class.

    Infers the corresponding SQL data type of a JavaBean class.

    beanClass

    Java type

    returns

    (SQL data type, nullable)

  16. final def isInstanceOf[T0]: Boolean

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

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  18. final def notify(): Unit

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  19. final def notifyAll(): Unit

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

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  21. def toString(): String

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  22. final def wait(): Unit

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

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

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