Use the Dataflow connector to read from a database without using a query by specifying a table name and a list of columns.
Explore further
For detailed documentation that includes this code sample, see the following:
Code sample
Java
To learn how to install and use the client library for Spanner, see Spanner client libraries.
To authenticate to Spanner, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.
What's next
To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.