john-bodley commented on a change in pull request #4587: [logs] Dropping dt 
column
URL: 
https://github.com/apache/incubator-superset/pull/4587#discussion_r184249512
 
 

 ##########
 File path: superset/migrations/versions/30bb17c0dc76_.py
 ##########
 @@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: 30bb17c0dc76
+Revises: f231d82b9b26
+Create Date: 2018-04-08 07:34:12.149910
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '30bb17c0dc76'
+down_revision = 'f231d82b9b26'
+
+from datetime import date
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    with op.batch_alter_table('logs') as batch_op:
+        batch_op.drop_column('dt')
 
 Review comment:
   @mistercrunch just to clarify what should have the logic been here? I'm 
simply asking to learn.

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