Trait

com.datastax.spark.connector

ColumnRef

Related Doc: package connector

Permalink

sealed trait ColumnRef extends AnyRef

A column that can be selected from CQL results set by name.

Linear Supertypes
AnyRef, Any
Known Subclasses
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. ColumnRef
  2. AnyRef
  3. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Abstract Value Members

  1. abstract def columnName: String

    Permalink

    Returns the column name which this selection bases on.

    Returns the column name which this selection bases on. In case of a function, such as ttl or writetime, it returns the column name passed to that function.

  2. abstract def cql: String

    Permalink

    Returns a CQL phrase which has to be passed to the SELECT clause with appropriate quotation marks.

  3. abstract def cqlValueName: String

    Permalink

    Returns a name of the value of this column in the CQL result set.

    Returns a name of the value of this column in the CQL result set. Used when retrieving values form the CQL result set.

  4. abstract def selectedAs: String

    Permalink

    Returns the name of the column to be used by the user in the RDD item object.

    Returns the name of the column to be used by the user in the RDD item object. If the column is selected into a CassandraRow, this name should be used to get the column value. Also this name will be matched to an object property by column mappers.

Concrete Value Members

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

    Permalink
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

    Permalink
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

    Permalink
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0

    Permalink
    Definition Classes
    Any
  5. def clone(): AnyRef

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

    Permalink
    Definition Classes
    AnyRef
  7. def equals(arg0: Any): Boolean

    Permalink
    Definition Classes
    AnyRef → Any
  8. def finalize(): Unit

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]

    Permalink
    Definition Classes
    AnyRef → Any
  10. def hashCode(): Int

    Permalink
    Definition Classes
    AnyRef → Any
  11. final def isInstanceOf[T0]: Boolean

    Permalink
    Definition Classes
    Any
  12. final def ne(arg0: AnyRef): Boolean

    Permalink
    Definition Classes
    AnyRef
  13. final def notify(): Unit

    Permalink
    Definition Classes
    AnyRef
  14. final def notifyAll(): Unit

    Permalink
    Definition Classes
    AnyRef
  15. final def synchronized[T0](arg0: ⇒ T0): T0

    Permalink
    Definition Classes
    AnyRef
  16. def toString(): String

    Permalink
    Definition Classes
    AnyRef → Any
  17. final def wait(): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  18. final def wait(arg0: Long, arg1: Int): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  19. final def wait(arg0: Long): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from AnyRef

Inherited from Any

Ungrouped