"""empty message

Revision ID: 6249fce1ead9
Revises: 282564545160
Create Date: 2023-05-22 11:28:00.309973

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '6249fce1ead9'
down_revision = '282564545160'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('chemical', schema=None) as batch_op:
        batch_op.add_column(sa.Column('person_id', sa.Integer(), nullable=False))
        batch_op.drop_column('person_name')

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('chemical', schema=None) as batch_op:
        batch_op.add_column(sa.Column('person_name', sa.VARCHAR(), nullable=False))
        batch_op.drop_column('person_id')

    # ### end Alembic commands ###