Ward Van Assche created BEAM-3313:
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             Summary: Support BigQuery DML in BigQueryIO.Write
                 Key: BEAM-3313
                 URL: https://issues.apache.org/jira/browse/BEAM-3313
             Project: Beam
          Issue Type: New Feature
          Components: sdk-java-gcp
            Reporter: Ward Van Assche
            Assignee: Chamikara Jayalath


Since 2016 it's possible to use DML functionality in BigQuery when using 
standard SQL. It would be great to also support this in Beam. Analogous to 
BigQueryIO.Read::fromQuery maybe a BigQueryIO.Write::withQuery method can be 
added, which is supported when standard SQL is enabled?

The reason why I think this is a major issue: within a few months GDPR goes 
into effect in the EU. This law enforces companies to support deleting all data 
from a certain customer. I think this feature would be useful in order to 
automate the deletion/fuzzing process of personal customer data.



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