"""empty message

Revision ID: 2fbcad5527d7
Revises: 0b1c9ea11aef
Create Date: 2021-10-11 11:17:46.750252

"""
import sqlalchemy_utils
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '2fbcad5527d7'
down_revision = '0b1c9ea11aef'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('users', sa.Column('alternative_id', sa.String(length=128), nullable=True))
    op.create_unique_constraint(None, 'users', ['alternative_id'])

    # set alternative_id to id
    op.execute('UPDATE users SET alternative_id = id')
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, 'users', type_='unique')
    op.drop_column('users', 'alternative_id')
    # ### end Alembic commands ###