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https://issues.apache.org/jira/browse/BEAM-8933?focusedWorklogId=371948&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-371948
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ASF GitHub Bot logged work on BEAM-8933:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 14/Jan/20 23:05
            Start Date: 14/Jan/20 23:05
    Worklog Time Spent: 10m 
      Work Description: TheNeuralBit commented on pull request #10369: 
[BEAM-8933] BigQueryIO Arrow for read
URL: https://github.com/apache/beam/pull/10369#discussion_r366619603
 
 

 ##########
 File path: 
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryStorageQuerySource.java
 ##########
 @@ -57,6 +59,32 @@
         priority,
         location,
         kmsKey,
+        format,
+        parseFn,
+        outputCoder,
+        bqServices);
+  }
+
+  public static <T> BigQueryStorageQuerySource<T> create(
 
 Review comment:
   +1 for making this entire source non-public unless we actually intend for 
users to create one themselves. 
   
   It seems like there is some precedent for making BoundedSource 
implementations public (AvroSource, 
ElasticSearchIO.BoundedElasticsearchSource), but maybe that's something that 
should be cleaned up.
   
   In the elasticsearch case at least the source is annotated 
VisibleForTesting, but all the tests are in the same package, so I don't think 
this is necessary?
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 371948)
    Time Spent: 7h 10m  (was: 7h)

> BigQuery IO should support read/write in Arrow format
> -----------------------------------------------------
>
>                 Key: BEAM-8933
>                 URL: https://issues.apache.org/jira/browse/BEAM-8933
>             Project: Beam
>          Issue Type: Improvement
>          Components: io-java-gcp
>            Reporter: Kirill Kozlov
>            Assignee: Kirill Kozlov
>            Priority: Major
>          Time Spent: 7h 10m
>  Remaining Estimate: 0h
>
> As of right now BigQuery uses Avro format for reading and writing.
> We should add a config to BigQueryIO to specify which format to use: Arrow or 
> Avro (with Avro as default).



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