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https://issues.apache.org/jira/browse/BEAM-1440?focusedWorklogId=352623&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-352623
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ASF GitHub Bot logged work on BEAM-1440:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 03/Dec/19 13:50
            Start Date: 03/Dec/19 13:50
    Worklog Time Spent: 10m 
      Work Description: kamilwu commented on pull request #9772: [BEAM-1440] 
Create a BigQuery source that implements iobase.BoundedSource for Python
URL: https://github.com/apache/beam/pull/9772#discussion_r353188057
 
 

 ##########
 File path: sdks/python/apache_beam/io/gcp/bigquery.py
 ##########
 @@ -1268,3 +1461,140 @@ def display_data(self):
                                    tableSpec)
       res['table'] = DisplayDataItem(tableSpec, label='Table')
     return res
+
+
+@experimental()
+class PassThroughThenCleanup(PTransform):
 
 Review comment:
   I don't think it needs to be public. I'll make it private then.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 352623)
    Time Spent: 11h 50m  (was: 11h 40m)

> Create a BigQuery source (that implements iobase.BoundedSource) for Python SDK
> ------------------------------------------------------------------------------
>
>                 Key: BEAM-1440
>                 URL: https://issues.apache.org/jira/browse/BEAM-1440
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-py-core
>            Reporter: Chamikara Madhusanka Jayalath
>            Assignee: Kamil Wasilewski
>            Priority: Major
>          Time Spent: 11h 50m
>  Remaining Estimate: 0h
>
> Currently we have a BigQuery native source for Python SDK [1].
> This can only be used by Dataflow runner.
> We should  implement a Beam BigQuery source that implements 
> iobase.BoundedSource [2] interface so that other runners that try to use 
> Python SDK can read from BigQuery as well. Java SDK already has a Beam 
> BigQuery source [3].
> [1] 
> https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/gcp/bigquery.py
> [2] 
> https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/iobase.py#L70
> [3] 
> https://github.com/apache/beam/blob/master/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryIO.java#L1189



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