Dataflow read with transaction

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Use the Dataflow connector to read data from multiple tables at the same point in time to ensure data consistency by performing all of the reads in a single transaction.

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For detailed documentation that includes this code sample, see the following:

Code sample


To learn how to install and use the client library for Spanner, see Spanner client libraries.

SpannerConfig spannerConfig =
PCollectionView<Transaction> tx =
PCollection<Struct> singers =
            .withQuery("SELECT SingerID, FirstName, LastName FROM Singers")
PCollection<Struct> albums =
            .withQuery("SELECT SingerId, AlbumId, AlbumTitle FROM Albums")

What's next

To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.