Trait

org.apache.spark.sql.sources

ExternalSchemaRelationProvider

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trait ExternalSchemaRelationProvider extends RelationProvider

::DeveloperApi:: Marker interface for data sources that allow for extended schema specification in CREATE TABLE (like constraints in RDBMS databases). The schema string is passed as SnappyExternalCatalog.SCHEMADDL_PROPERTY in the relation provider parameters.

Annotations
@DeveloperApi()
Linear Supertypes
RelationProvider, AnyRef, Any
Known Subclasses
DefaultSource, DefaultSource
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Inherited
  1. ExternalSchemaRelationProvider
  2. RelationProvider
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Abstract Value Members

  1. abstract def createRelation(sqlContext: SQLContext, parameters: Map[String, String]): BaseRelation

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    Definition Classes
    RelationProvider

Concrete Value Members

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

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    AnyRef → Any

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

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    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

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    Any

  5. def clone(): AnyRef

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    protected[java.lang]
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    AnyRef
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    @throws( ... )

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

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    AnyRef

  7. def equals(arg0: Any): Boolean

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    AnyRef → Any

  8. def finalize(): Unit

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    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

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

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    Definition Classes
    AnyRef → Any

  10. def getSchemaString(options: Map[String, String]): Option[String]

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  11. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  12. final def isInstanceOf[T0]: Boolean

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    Any

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

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    AnyRef

  14. final def notify(): Unit

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    AnyRef

  15. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

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

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    AnyRef

  17. def toString(): String

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    AnyRef → Any

  18. final def wait(): Unit

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    @throws( ... )

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

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    @throws( ... )

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

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Inherited from RelationProvider

Inherited from AnyRef

Inherited from Any

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