org.apache.spark.sql

Encoders

object Encoders

:: Experimental :: Methods for creating an Encoder.

Annotations
@Experimental()
Source
Encoder.scala
Since

1.6.0

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

    Definition Classes
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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

    Definition Classes
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  6. def BOOLEAN: Encoder[Boolean]

    An encoder for nullable boolean type.

    An encoder for nullable boolean type.

    Since

    1.6.0

  7. def BYTE: Encoder[Byte]

    An encoder for nullable byte type.

    An encoder for nullable byte type.

    Since

    1.6.0

  8. def DATE: Encoder[Date]

    An encoder for nullable date type.

    An encoder for nullable date type.

    Since

    1.6.0

  9. def DECIMAL: Encoder[BigDecimal]

    An encoder for nullable decimal type.

    An encoder for nullable decimal type.

    Since

    1.6.0

  10. def DOUBLE: Encoder[Double]

    An encoder for nullable double type.

    An encoder for nullable double type.

    Since

    1.6.0

  11. def FLOAT: Encoder[Float]

    An encoder for nullable float type.

    An encoder for nullable float type.

    Since

    1.6.0

  12. def INT: Encoder[Integer]

    An encoder for nullable int type.

    An encoder for nullable int type.

    Since

    1.6.0

  13. def LONG: Encoder[Long]

    An encoder for nullable long type.

    An encoder for nullable long type.

    Since

    1.6.0

  14. def SHORT: Encoder[Short]

    An encoder for nullable short type.

    An encoder for nullable short type.

    Since

    1.6.0

  15. def STRING: Encoder[String]

    An encoder for nullable string type.

    An encoder for nullable string type.

    Since

    1.6.0

  16. def TIMESTAMP: Encoder[Timestamp]

    An encoder for nullable timestamp type.

    An encoder for nullable timestamp type.

    Since

    1.6.0

  17. final def asInstanceOf[T0]: T0

    Definition Classes
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  18. def bean[T](beanClass: Class[T]): Encoder[T]

    Creates an encoder for Java Bean of type T.

    Creates an encoder for Java Bean of type T.

    T must be publicly accessible.

    supported types for java bean field:

    • primitive types: boolean, int, double, etc.
    • boxed types: Boolean, Integer, Double, etc.
    • String
    • java.math.BigDecimal
    • time related: java.sql.Date, java.sql.Timestamp
    • collection types: only array and java.util.List currently, map support is in progress
    • nested java bean.
    Since

    1.6.0

  19. def clone(): AnyRef

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    protected[java.lang]
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  20. final def eq(arg0: AnyRef): Boolean

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  21. def equals(arg0: Any): Boolean

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  22. def finalize(): Unit

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

    Definition Classes
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  24. def hashCode(): Int

    Definition Classes
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  25. final def isInstanceOf[T0]: Boolean

    Definition Classes
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  26. def javaSerialization[T](clazz: Class[T]): Encoder[T]

    Creates an encoder that serializes objects of type T using generic Java serialization.

    Creates an encoder that serializes objects of type T using generic Java serialization. This encoder maps T into a single byte array (binary) field.

    Note that this is extremely inefficient and should only be used as the last resort.

    T must be publicly accessible.

    Since

    1.6.0

  27. def javaSerialization[T](implicit arg0: ClassTag[T]): Encoder[T]

    (Scala-specific) Creates an encoder that serializes objects of type T using generic Java serialization.

    (Scala-specific) Creates an encoder that serializes objects of type T using generic Java serialization. This encoder maps T into a single byte array (binary) field.

    Note that this is extremely inefficient and should only be used as the last resort.

    T must be publicly accessible.

    Since

    1.6.0

  28. def kryo[T](clazz: Class[T]): Encoder[T]

    Creates an encoder that serializes objects of type T using Kryo.

    Creates an encoder that serializes objects of type T using Kryo. This encoder maps T into a single byte array (binary) field.

    T must be publicly accessible.

    Since

    1.6.0

  29. def kryo[T](implicit arg0: ClassTag[T]): Encoder[T]

    (Scala-specific) Creates an encoder that serializes objects of type T using Kryo.

    (Scala-specific) Creates an encoder that serializes objects of type T using Kryo. This encoder maps T into a single byte array (binary) field.

    T must be publicly accessible.

    Since

    1.6.0

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

    Definition Classes
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  31. final def notify(): Unit

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  32. final def notifyAll(): Unit

    Definition Classes
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  33. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
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  34. def toString(): String

    Definition Classes
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  35. def tuple[T1, T2, T3, T4, T5](e1: Encoder[T1], e2: Encoder[T2], e3: Encoder[T3], e4: Encoder[T4], e5: Encoder[T5]): Encoder[(T1, T2, T3, T4, T5)]

    An encoder for 5-ary tuples.

    An encoder for 5-ary tuples.

    Since

    1.6.0

  36. def tuple[T1, T2, T3, T4](e1: Encoder[T1], e2: Encoder[T2], e3: Encoder[T3], e4: Encoder[T4]): Encoder[(T1, T2, T3, T4)]

    An encoder for 4-ary tuples.

    An encoder for 4-ary tuples.

    Since

    1.6.0

  37. def tuple[T1, T2, T3](e1: Encoder[T1], e2: Encoder[T2], e3: Encoder[T3]): Encoder[(T1, T2, T3)]

    An encoder for 3-ary tuples.

    An encoder for 3-ary tuples.

    Since

    1.6.0

  38. def tuple[T1, T2](e1: Encoder[T1], e2: Encoder[T2]): Encoder[(T1, T2)]

    An encoder for 2-ary tuples.

    An encoder for 2-ary tuples.

    Since

    1.6.0

  39. final def wait(): Unit

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

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

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