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Posted to issues@beam.apache.org by "Jonathan (Jira)" <ji...@apache.org> on 2020/04/22 17:00:07 UTC

[jira] [Created] (BEAM-9804) beam.io.BigQuerySource needs permissions to create datasets to be able to run queries

Jonathan created BEAM-9804:
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             Summary: beam.io.BigQuerySource needs permissions to create datasets to be able to run queries
                 Key: BEAM-9804
                 URL: https://issues.apache.org/jira/browse/BEAM-9804
             Project: Beam
          Issue Type: Bug
          Components: io-py-gcp
            Reporter: Jonathan


Based on BEAM-8458, which was closed with a Java fix in 2.20.0. However, the bug still exists in the python SDK.

When using {{BigQuerySource with the query option, BigQueryReader }}creates a temporary dataset to store the results of the query.

Therefore, Beam requires permissions to create datasets just to be able to run a query. In practice, this means that Beam requires the role bigQuery.User just to run queries, whereas if you use {{from}} (to read from a table), the role bigQuery.jobUser suffices.

BigqueryDataSource should have an option to set an existing dataset  to write the temp results of
a query, so it would be enough with having the role bigQuery.jobUser.



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