Type Members

1.  trait Expression extends AnyRef

   Base class of the public logical expression API.

   Base class of the public logical expression API.

   Annotations

   @Evolving()

   Since

   3.0.0

2.  class Expressions extends AnyRef

   Helper methods to create logical transforms to pass into Spark.

   Helper methods to create logical transforms to pass into Spark.

   Annotations

   @Evolving()

   Since

   3.0.0

3.  trait Literal[T] extends Expression

   Represents a constant literal value in the public expression API.

   Represents a constant literal value in the public expression API.

   The JVM type of the value held by a literal must be the type used by Spark's InternalRow API for the literal's SQL data type.

   Annotations

   @Evolving()

   Since

   3.0.0

4.  trait NamedReference extends Expression

   Represents a field or column reference in the public logical expression API.

   Represents a field or column reference in the public logical expression API.

   Annotations

   @Evolving()

   Since

   3.0.0

5.  sealed abstract final class NullOrdering extends Enum[NullOrdering]

   A null order used in sorting expressions.

   A null order used in sorting expressions.

   Annotations

   @Experimental()

   Since

   3.2.0

6.  sealed abstract final class SortDirection extends Enum[SortDirection]

   A sort direction used in sorting expressions.

   A sort direction used in sorting expressions.

   Each direction has a default null ordering that is implied if no null ordering is specified explicitly.

   Annotations

   @Experimental()

   Since

   3.2.0

7.  trait SortOrder extends Expression

   Represents a sort order in the public expression API.

   Represents a sort order in the public expression API.

   Annotations

   @Experimental()

   Since

   3.2.0

8.  trait Transform extends Expression

   Represents a transform function in the public logical expression API.

   Represents a transform function in the public logical expression API.

   For example, the transform date(ts) is used to derive a date value from a timestamp column. The transform name is "date" and its argument is a reference to the "ts" column.

   Annotations

   @Evolving()

   Since

   3.0.0