def upgrade():
    op.add_column('base', sa.Column('nameSafe', sa.String(length=32), nullable=True))
    op.create_index(op.f('ix_base_nameSafe'), 'base', ['nameSafe'], unique=True)
def upgrade():
    op.add_column('base', sa.Column('nameSafe', sa.String(length=32), nullable=True))
    op.create_index(op.f('ix_base_nameSafe'), 'base', ['nameSafe'], unique=True)