"""unique usernames Revision ID: 1bcccdf0c3e1 Revises: 8fcc5fec67bc Create Date: 2018-08-08 13:39:56.732107 """ from alembic import op # revision identifiers, used by Alembic. revision = "1bcccdf0c3e1" down_revision = "8fcc5fec67bc" branch_labels = None depends_on = None def upgrade(): # ### commands auto generated by Alembic - please adjust! ### op.create_unique_constraint(None, "bvp_users", ["username"]) # ### end Alembic commands ### def downgrade(): # ### commands auto generated by Alembic - please adjust! ### op.drop_constraint(None, "bvp_users", type_="unique") # ### end Alembic commands ###