<commit_before><commit_msg>added migration<commit_after>"""added_transaction_ref

Revision ID: 59d274a1682f
Revises: 11bc47d6d60b
Create Date: 2016-06-28 21:34:21.889537

"""

# revision identifiers, used by Alembic.
revision = '59d274a1682f'
down_revision = '<KEY>'

from alembic import op
import sqlalchemy as sa


def upgrade():
    op.add_column('payment_transaction', sa.Column('transaction_ref', sa.Unicode(length=80), nullable=True))


def downgrade():
    op.drop_column('payment_transaction', 'transaction_ref')
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