Package org.apache.beam.sdk.extensions.sql.impl.transform

Class BeamJoinTransforms

java.lang.Object

org.apache.beam.sdk.extensions.sql.impl.transform.BeamJoinTransforms

public class BeamJoinTransforms
extends Object

Collections of PTransform and DoFn used to perform JOIN operation.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BeamJoinTransforms.JoinAsLookup	Transform to execute Join as Lookup.

Constructor Summary

Constructors

Constructor	Description
BeamJoinTransforms()

Method Summary

Modifier and Type	Method	Description
static FieldAccessDescriptor	getJoinColumns(boolean isLeft, List<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.util.Pair<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.rex.RexNode,org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.rex.RexNode>> joinColumns, int leftRowColumnCount, Schema schema)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

BeamJoinTransforms

public BeamJoinTransforms()

Method Details

getJoinColumns

public static FieldAccessDescriptor getJoinColumns(boolean isLeft,
 List<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.util.Pair<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.rex.RexNode,org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.rex.RexNode>> joinColumns,
 int leftRowColumnCount,
 Schema schema)