com.google.cloud.dataflow.sdk.transforms.join (Google Cloud Dataflow SDK 1.9.1 API)

Google Cloud Dataflow SDK for Java, version 1.9.1

Warning: Dataflow SDK 1.x for Java is unsupported as of October 16, 2018. After August 12, 2020, you can use unsupported SDKs temporarily while you upgrade your pipelines. For more information, see Using an unsupported SDK.

For information on migrating from the 1.x SDK, see Migrating from Dataflow SDK 1.x for Java.

Note: If you are using Cloud Dataflow SDK version 2.x, see the Apache Beam API reference documentation.

Package com.google.cloud.dataflow.sdk.transforms.join

Defines the CoGroupByKey transform for joining multiple PCollections.

See: Description

• Class Summary 

  Class	Description
  CoGbkResult	A row result of a CoGroupByKey.
  CoGbkResult.CoGbkResultCoder	A Coder for CoGbkResults.
  CoGbkResultSchema	A schema for the results of a CoGroupByKey.
  CoGroupByKey<K>	A PTransform that performs a CoGroupByKey on a tuple of tables.
  KeyedPCollectionTuple<K>	An immutable tuple of keyed PCollections with key type K.
  KeyedPCollectionTuple.TaggedKeyedPCollection<K,V>	A utility class to help ensure coherence of tag and input PCollection types.
  RawUnionValue	This corresponds to an integer union tag and value.
  UnionCoder	A UnionCoder encodes RawUnionValues.

Package com.google.cloud.dataflow.sdk.transforms.join Description

Defines the CoGroupByKey transform for joining multiple PCollections.