Prepare mobile de parser preview

alembic/versions/002_add_indexes.py

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+# 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