join

Type Members

1. case class BroadcastIndexJoinExec(left: SparkPlan, right: SparkPlan, streamShape: Expression, indexBuildSide: JoinSide, windowJoinSide: JoinSide, intersects: Boolean, extraCondition: Option[Expression] = None, radius: Option[Expression] = None) extends SparkPlan with BinaryExecNode with TraitJoinQueryBase with Logging with Product with Serializable

   

2. case class DistanceJoinExec(left: SparkPlan, right: SparkPlan, leftShape: Expression, rightShape: Expression, radius: Expression, intersects: Boolean, extraCondition: Option[Expression] = None) extends SparkPlan with BinaryExecNode with TraitJoinQueryExec with Logging with Product with Serializable

   

3. case class JoinQueryDetection(left: LogicalPlan, right: LogicalPlan, leftShape: Expression, rightShape: Expression, intersects: Boolean, extraCondition: Option[Expression] = None, radius: Option[Expression] = None) extends Product with Serializable

   

4. class JoinQueryDetector extends Strategy

   

   Plans RangeJoinExec for inner joins on spatial relationships ST_Contains(a, b) and ST_Intersects(a, b).

   Plans RangeJoinExec for inner joins on spatial relationships ST_Contains(a, b) and ST_Intersects(a, b).

   Plans DistanceJoinExec for inner joins on spatial relationship ST_Distance(a, b) < r.

   Plans BroadcastIndexJoinExec for inner joins on spatial relationships with a broadcast hint.

5. sealed trait JoinSide extends AnyRef

   

6. case class RangeJoinExec(left: SparkPlan, right: SparkPlan, leftShape: Expression, rightShape: Expression, intersects: Boolean, extraCondition: Option[Expression] = None) extends SparkPlan with BinaryExecNode with TraitJoinQueryExec with Logging with Product with Serializable

   

   ST_Contains(left, right) - left contains right or ST_Intersects(left, right) - left and right intersect

   ST_Contains(left, right) - left contains right or ST_Intersects(left, right) - left and right intersect

   left

   left side of the join

   right

   right side of the join

   leftShape

   expression for the first argument of ST_Contains or ST_Intersects

   rightShape

   expression for the second argument of ST_Contains or ST_Intersects

   intersects

   boolean indicating whether spatial relationship is 'intersects' (true) or 'contains' (false)

7. case class SpatialIndexExec(child: SparkPlan, shape: Expression, indexType: IndexType, radius: Option[Expression] = None) extends Exchange with TraitJoinQueryBase with Logging with Product with Serializable

   

8. trait TraitJoinQueryBase extends AnyRef

   

9. trait TraitJoinQueryExec extends TraitJoinQueryBase