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org.apache.spark.sql.catalyst

JavaTypeInference

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object JavaTypeInference

Type-inference utilities for POJOs and Java collections.

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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. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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  6. def deserializerFor(beanClass: Class[_]): Expression

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    Returns an expression that can be used to deserialize an internal row to an object of java bean T with a compatible schema.

    Returns an expression that can be used to deserialize an internal row to an object of java bean T 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.

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

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  8. def equals(arg0: Any): Boolean

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  9. def finalize(): Unit

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

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  11. def getJavaBeanReadableProperties(beanClass: Class[_]): Array[PropertyDescriptor]

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  12. def hashCode(): Int

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

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    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)

  14. final def isInstanceOf[T0]: Boolean

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

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. def serializerFor(beanClass: Class[_]): CreateNamedStruct

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    Returns an expression for serializing an object of the given type to an internal row.

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

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  20. def toString(): String

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  21. final def wait(): Unit

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

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

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