"""Added cars table

Revision ID: 6ea64b2c52be
Revises: 46b4c05512b3
Create Date: 2017-08-23 20:43:41.807113

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '6ea64b2c52be'
down_revision = '46b4c05512b3'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('car',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('name', sa.String(length=50), nullable=True),
    sa.PrimaryKeyConstraint('id')
    )
    op.add_column(u'gas', sa.Column('car_id', sa.Integer(), nullable=True))
    op.create_foreign_key(None, 'gas', 'car', ['car_id'], ['id'])
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, 'gas', type_='foreignkey')
    op.drop_column(u'gas', 'car_id')
    op.drop_table('car')
    # ### end Alembic commands ###