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 java.lang.Object

Collections of PTransform and DoFn used to perform JOIN operation.

Nested Class Summary

Nested Classes

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

Constructor Summary

Constructors

Constructor and Description
BeamJoinTransforms()

Method Summary

Modifier and Type	Method and Description
static FieldAccessDescriptor	getJoinColumns(boolean isLeft, java.util.List<org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.util.Pair<org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexNode,org.apache.beam.vendor.calcite.v1_20_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 Detail

BeamJoinTransforms

public BeamJoinTransforms()

Method Detail

getJoinColumns

public static FieldAccessDescriptor getJoinColumns(boolean isLeft,
                                                   java.util.List<org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.util.Pair<org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexNode,org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rex.RexNode>> joinColumns,
                                                   int leftRowColumnCount,
                                                   Schema schema)