"""init

Revision ID: 4b3728c8ca0b
Revises: 2e75f1568da1
Create Date: 2025-08-22 18:09:10.482722

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '4b3728c8ca0b'
down_revision: Union[str, Sequence[str], None] = '2e75f1568da1'
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('customer', sa.Column('email', sa.String(length=55), nullable=False))
    op.create_unique_constraint(None, 'customer', ['email'])
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, 'customer', type_='unique')
    op.drop_column('customer', 'email')
    # ### end Alembic commands ###