DELETE FROM qipai_schema_migrations WHERE version = '2026062015'; DROP TABLE IF EXISTS qipai_payment_configs; DROP TABLE IF EXISTS qipai_profit_shares; DROP TABLE IF EXISTS qipai_refunds; DROP TABLE IF EXISTS qipai_payment_callbacks; DROP TABLE IF EXISTS qipai_payment_attempts; ALTER TABLE qipai_payments DROP INDEX uq_qipai_payments_provider_id, DROP INDEX uq_qipai_payments_client_request, DROP FOREIGN KEY fk_qipai_payments_store, DROP FOREIGN KEY fk_qipai_payments_platform_app, DROP COLUMN failure_code, DROP COLUMN failed_at, DROP COLUMN provider_payment_id, DROP COLUMN currency, DROP COLUMN client_request_id, DROP COLUMN provider, DROP COLUMN store_id, DROP COLUMN platform_app_id;