[GitHub] [incubator-superset] thejuan commented on issue #8297: DB migration 937d04c16b64 -> 7f2635b51f5d fails

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

thejuan commented on issue #8297: DB migration 937d04c16b64 -> 7f2635b51f5d fails
URL: https://github.com/apache/incubator-superset/issues/8297#issuecomment-572819925
 
 
   I'm having the same issue. It looks like a previous migration adds a null into column_name
   
   ```
   INFO  [alembic.runtime.migration] Running upgrade 18dc26817ad2 -> c617da68de7d, form nullable
   Traceback (most recent call last):
     File "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1244, in _execute_context
       cursor, statement, parameters, context
     File "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/default.py", line 552, in do_execute
       cursor.execute(statement, parameters)
   psycopg2.IntegrityError: null value in column "column_name" violates not-null constraint
   DETAIL:  Failing row contains (2019-11-20 00:48:48.196223, 2019-11-20 00:48:48.196238, 742, 57, null, f, t, null, f, f, null, 7, 7, null, null, null, null).
   ```

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