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[WIP] Modify schema, creation of new attributes

Closed Aaryan Bhagat requested to merge berserker1/mailman:modify_schema into master
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"""Added new bounce attributes
Revision ID: 58858f75303c
Revises: 2d2d0ef0828f
Create Date: 2019-06-28 01:10:48.210528
"""
import sqlalchemy as sa
from alembic import op
from mailman.database.helpers import exists_in_db, is_sqlite
# revision identifiers, used by Alembic.
revision = '58858f75303c'
down_revision = '2d2d0ef0828f'
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
if not exists_in_db(op.get_bind(), 'address', 'bounce_info'):
op.add_column('address', sa.Column('bounce_info', sa.PickleType(),
nullable=True))
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
if not is_sqlite(op.get_bind()):
op.drop_column('address', 'bounce_info')
# ### end Alembic commands ###
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