"""add atomic radius rahm

Revision ID: 7be81742f7b9
Revises: <KEY>
Create Date: 2017-02-09 20:41:56.175949

"""

# revision identifiers, used by Alembic.
revision = '7be81742f7b9'
down_revision = '<KEY>'
branch_labels = None
depends_on = None

from alembic import op
import sqlalchemy as sa


def upgrade():

    op.add_column('elements', sa.Column('atomic_radius_rahm', sa.Float))


def downgrade():

    with op.batch_alter_table('elements') as batch_op:
        batch_op.drop_column('atomic_radius_rahm')
