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Posted to commits@beam.apache.org by "Ahmet Altay (JIRA)" <ji...@apache.org> on 2018/07/14 00:42:00 UTC

[jira] [Created] (BEAM-4789) BigQueryIO WRITE_TRUNCATE documentation is out of date

Ahmet Altay created BEAM-4789:
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             Summary: BigQueryIO WRITE_TRUNCATE documentation is out of date
                 Key: BEAM-4789
                 URL: https://issues.apache.org/jira/browse/BEAM-4789
             Project: Beam
          Issue Type: Improvement
          Components: io-java-gcp, sdk-py-core
            Reporter: Ahmet Altay
            Assignee: Chamikara Jayalath


Apache Beam 2.5 documentation ([https://beam.apache.org/documentation/sdks/javadoc/2.5.0/]), states that
 
"WRITE_TRUNCATE
public static final BigQueryIO.Write.WriteDisposition WRITE_TRUNCATE
Specifies that write should replace a table.
The replacement *may occur in multiple steps* - for instance by first removing the existing table, then creating a replacement, then filling it in. *This is not an atomic operation*, and external programs may see the table in any of these intermediate steps."
 
However WRITE_TRUNCATE is an atomic BigQuery operation. The documentation needs to be updated.



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