# 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_MOBILEDE_cars_brand" ON "MOBILEDE_cars" (brand)')
    op.execute('CREATE INDEX IF NOT EXISTS "ix_MOBILEDE_cars_brand_model" ON "MOBILEDE_cars" (brand, model)')
    op.execute('CREATE INDEX IF NOT EXISTS "ix_MOBILEDE_cars_year" ON "MOBILEDE_cars" (year)')
    op.execute('CREATE INDEX IF NOT EXISTS "ix_MOBILEDE_cars_is_sold" ON "MOBILEDE_cars" (is_sold)')
    op.execute('CREATE INDEX IF NOT EXISTS "ix_MOBILEDE_cars_last_seen_at" ON "MOBILEDE_cars" (last_seen_at)')
    op.execute('CREATE INDEX IF NOT EXISTS "ix_MOBILEDE_images_car_id" ON "MOBILEDE_images" (car_id)')
    op.execute('CREATE INDEX IF NOT EXISTS "ix_MOBILEDE_sync_runs_status" ON "MOBILEDE_sync_runs" (status)')


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