"""add unique constraint on participant route_id and email

Revision ID: ddf4dfafdc62
Revises: 237700c56d84
Create Date: 2026-09-28 13:04:02.903665

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
import sqlmodel


# revision identifiers, used by Alembic.
revision: str = 'ddf4dfafdc62'
down_revision: Union[str, Sequence[str], None] = '237700c56d84'
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.create_unique_constraint('uq_participant_route_email', 'participant', ['route_id', 'email'])
    # ### end Alembic commands ###


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