Stephanie Wang created BEAM-13944:
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             Summary: feat: add schema update support for bigquerystorage Write 
API
                 Key: BEAM-13944
                 URL: https://issues.apache.org/jira/browse/BEAM-13944
             Project: Beam
          Issue Type: New Feature
          Components: io-java-gcp
            Reporter: Stephanie Wang


Please add schema update support similar to what we have in the BigQueryStorage 
Java client: [https://github.com/googleapis/java-bigquerystorage/pull/1447]

 

When schema is updated, we should:

1) close the existing StreamWriter

2) update TableSchema and Descriptor

3) create a new StreamWriter with the updated TableSchema and Descriptor



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