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devicehub-teal/ereuse_devicehub/migrations/versions/6b0880832b78_backup_dhid.py

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"""backup dhid
Revision ID: 6b0880832b78
Revises: d7ea9a3b2da1
Create Date: 2022-09-07 12:53:25.827186
"""
import citext
import sqlalchemy as sa
from alembic import context, op
# revision identifiers, used by Alembic.
revision = '6b0880832b78'
down_revision = 'd7ea9a3b2da1'
branch_labels = None
depends_on = None
def get_inv():
INV = context.get_x_argument(as_dictionary=True).get('inventory')
if not INV:
raise ValueError("Inventory value is not specified")
return INV
def upgrade():
op.add_column(
'device',
sa.Column('dhid_bk', citext.CIText(), unique=False, nullable=True),
schema=f'{get_inv()}',
)
op.add_column(
'device',
sa.Column('phid_bk', citext.CIText(), unique=False, nullable=True),
schema=f'{get_inv()}',
)
def downgrade():
op.drop_column('device', 'dhid_bk', schema=f'{get_inv()}')
op.drop_column('device', 'phid_bk', schema=f'{get_inv()}')