[jira] [Created] (BEAM-8283) Create a PTransform that reads data from BigQuery in Python SDK

["Kamil Wasilewski (Jira)" <ji...@apache.org>]

Kamil Wasilewski created BEAM-8283:
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             Summary: Create a PTransform that reads data from BigQuery in Python SDK
                 Key: BEAM-8283
                 URL: https://issues.apache.org/jira/browse/BEAM-8283
             Project: Beam
          Issue Type: Improvement
          Components: io-py-gcp
            Reporter: Kamil Wasilewski
            Assignee: Kamil Wasilewski


ATM `BigQuerySource` in Python SDK can only be used by Dataflow runner. Because of this it's impossible to read data from BigQuery on portable runners, such as Flink.

 

The goal is to add a transform, that follows BQ source implementation in Java[1]: use a BigQuery export job to take a snapshot of the table on GCS, and then read from each produced file.

 

[1] https://github.com/apache/beam/blob/master/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQuerySourceBase.java



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