# Индексы производительности
from typing import Sequence, Union

from alembic import op

revision: str = "002_add_indexes"
down_revision: Union[str, None] = "001_initial"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.execute("CREATE INDEX IF NOT EXISTS ix_iaai_cars_brand ON iaai_cars (brand)")
    op.execute("CREATE INDEX IF NOT EXISTS ix_iaai_cars_brand_model ON iaai_cars (brand, model)")
    op.execute("CREATE INDEX IF NOT EXISTS ix_iaai_cars_year ON iaai_cars (year)")
    op.execute("CREATE INDEX IF NOT EXISTS ix_iaai_cars_is_sold ON iaai_cars (is_sold)")
    op.execute("CREATE INDEX IF NOT EXISTS ix_iaai_cars_last_seen_at ON iaai_cars (last_seen_at)")
    op.execute("CREATE INDEX IF NOT EXISTS ix_iaai_images_car_id ON iaai_images (car_id)")
    op.execute("CREATE INDEX IF NOT EXISTS ix_iaai_sync_runs_status ON iaai_sync_runs (status)")


def downgrade() -> None:
    # Compatibility-only migration for shared production databases.
    pass