[GitHub] [beam] damccorm opened a new issue, #20006: Add support for mapping columns to pubsub message attributes in flat schemas DDL

[GitBox <gi...@apache.org>]

damccorm opened a new issue, #20006:
URL: https://github.com/apache/beam/issues/20006

   Context: https://lists.apache.org/thread.html/bf4c37f21bda194d7f8c40f6e7b9a776262415755cc1658412af3c76%40%3Cdev.beam.apache.org%3E
   
   The syntax should look something like this (proposed by [~alexvanboxel]):
   ```
   
   CREATE TABLE people (
       my_timestamp TIMESTAMP *OPTION(ref="pubsub:event_timestamp)*,
       my_id
   VARCHAR *OPTION(ref="pubsub:attributes['id_name']")*,
       name VARCHAR,
       age INTEGER
     )
     TYPE
   'pubsub'
     LOCATION 'projects/my-project/topics/my-topic'
   
   ```
   
   
   This jira pertains specifically to the my_id field in this example.
   
   Imported from Jira [BEAM-9208](https://issues.apache.org/jira/browse/BEAM-9208). Original Jira may contain additional context.
   Reported by: bhulette.


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