"""add_field_customer_type

Revision ID: 0d15d7784f71
Revises: 732b58e42221
Create Date: 2025-12-04 07:22:46.566875

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '0d15d7784f71'
down_revision: Union[str, Sequence[str], None] = '732b58e42221'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('customers', sa.Column('customer_type', sa.String(length=50), nullable=True))
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_column('customers', 'customer_type')
    # ### end Alembic commands ###