+"""empty message
+
+Revision ID: dff4b87e4a76
+Revises: 3a24fc02365e
+Create Date: 2020-07-17 23:47:51.096874
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import datetime
+
+
+# revision identifiers, used by Alembic.
+revision = 'dff4b87e4a76'
+down_revision = '3a24fc02365e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+ # ### commands auto generated by Alembic - please adjust! ###
+ op.add_column('package', sa.Column('approved_at', sa.DateTime(), nullable=True, server_default=None))
+
+ op.execute("""
+ UPDATE package SET approved_at=created_at WHERE approved;
+ """)
+ # ### end Alembic commands ###
+
+
+def downgrade():
+ # ### commands auto generated by Alembic - please adjust! ###
+ op.drop_column('package', 'approved_at')
+ # ### end Alembic commands ###