"""add 'weekm' in 'User' table Revision ID: 27425324c9e3 Revises: 096dd0b43beb Create Date: 2019-08-31 15:25:09.412426 """ from alembic import op import sqlalchemy as sa # revision identifiers, used by Alembic. revision = '27425324c9e3' down_revision = '096dd0b43beb' branch_labels = None depends_on = None def upgrade(): op.add_column('users', sa.Column('weekm', sa.Boolean(create_constraint=50), nullable=True)) op.execute("UPDATE users SET weekm = false") op.alter_column('users', 'weekm', nullable=False) def downgrade(): # ### commands auto generated by Alembic - please adjust! ### op.drop_column('users', 'weekm') # ### end Alembic commands ###