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org.apache.spark.sql

Encoders

object Encoders

:: Experimental :: Methods for creating an Encoder.

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@Experimental() @Evolving()
Since

1.6.0

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  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
    Definition Classes
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  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def BINARY: Encoder[Array[Byte]]

    An encoder for arrays of bytes.

    An encoder for arrays of bytes.

    Since

    1.6.1

  5. def BOOLEAN: Encoder[Boolean]

    An encoder for nullable boolean type.

    An encoder for nullable boolean type. The Scala primitive encoder is available as scalaBoolean.

    Since

    1.6.0

  6. def BYTE: Encoder[Byte]

    An encoder for nullable byte type.

    An encoder for nullable byte type. The Scala primitive encoder is available as scalaByte.

    Since

    1.6.0

  7. def DATE: Encoder[Date]

    An encoder for nullable date type.

    An encoder for nullable date type.

    Since

    1.6.0

  8. def DECIMAL: Encoder[BigDecimal]

    An encoder for nullable decimal type.

    An encoder for nullable decimal type.

    Since

    1.6.0

  9. def DOUBLE: Encoder[Double]

    An encoder for nullable double type.

    An encoder for nullable double type. The Scala primitive encoder is available as scalaDouble.

    Since

    1.6.0

  10. def FLOAT: Encoder[Float]

    An encoder for nullable float type.

    An encoder for nullable float type. The Scala primitive encoder is available as scalaFloat.

    Since

    1.6.0

  11. def INT: Encoder[Integer]

    An encoder for nullable int type.

    An encoder for nullable int type. The Scala primitive encoder is available as scalaInt.

    Since

    1.6.0

  12. def LONG: Encoder[Long]

    An encoder for nullable long type.

    An encoder for nullable long type. The Scala primitive encoder is available as scalaLong.

    Since

    1.6.0

  13. def SHORT: Encoder[Short]

    An encoder for nullable short type.

    An encoder for nullable short type. The Scala primitive encoder is available as scalaShort.

    Since

    1.6.0

  14. def STRING: Encoder[String]

    An encoder for nullable string type.

    An encoder for nullable string type.

    Since

    1.6.0

  15. def TIMESTAMP: Encoder[Timestamp]

    An encoder for nullable timestamp type.

    An encoder for nullable timestamp type.

    Since

    1.6.0

  16. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  17. 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, java.math.BigInteger
    • 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

  18. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )
  19. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  20. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  21. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
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    Annotations
    @throws( classOf[java.lang.Throwable] )
  22. final def getClass(): Class[_]
    Definition Classes
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    Annotations
    @native()
  23. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  24. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  25. 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.

    T must be publicly accessible.

    Since

    1.6.0

    Note

    This is extremely inefficient and should only be used as the last resort.

  26. 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.

    T must be publicly accessible.

    Since

    1.6.0

    Note

    This is extremely inefficient and should only be used as the last resort.

  27. 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

  28. 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

  29. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  30. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  31. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  32. def product[T <: Product](implicit arg0: scala.reflect.api.JavaUniverse.TypeTag[T]): Encoder[T]

    An encoder for Scala's product type (tuples, case classes, etc).

    An encoder for Scala's product type (tuples, case classes, etc).

    Since

    2.0.0

  33. def scalaBoolean: Encoder[Boolean]

    An encoder for Scala's primitive boolean type.

    An encoder for Scala's primitive boolean type.

    Since

    2.0.0

  34. def scalaByte: Encoder[Byte]

    An encoder for Scala's primitive byte type.

    An encoder for Scala's primitive byte type.

    Since

    2.0.0

  35. def scalaDouble: Encoder[Double]

    An encoder for Scala's primitive double type.

    An encoder for Scala's primitive double type.

    Since

    2.0.0

  36. def scalaFloat: Encoder[Float]

    An encoder for Scala's primitive float type.

    An encoder for Scala's primitive float type.

    Since

    2.0.0

  37. def scalaInt: Encoder[Int]

    An encoder for Scala's primitive int type.

    An encoder for Scala's primitive int type.

    Since

    2.0.0

  38. def scalaLong: Encoder[Long]

    An encoder for Scala's primitive long type.

    An encoder for Scala's primitive long type.

    Since

    2.0.0

  39. def scalaShort: Encoder[Short]

    An encoder for Scala's primitive short type.

    An encoder for Scala's primitive short type.

    Since

    2.0.0

  40. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  41. def toString(): String
    Definition Classes
    AnyRef → Any
  42. 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

  43. 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

  44. 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

  45. 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

  46. final def wait(): Unit
    Definition Classes
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    @throws( ... )
  47. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws( ... )
  48. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
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    @native() @throws( ... )

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