-- +goose Up
-- +goose StatementBegin
-- orders.amount_paid：为“按金额区间筛选订单”提供索引（租户内隔离维度）
CREATE INDEX IF NOT EXISTS ix_orders_tenant_amount_paid ON orders(tenant_id, amount_paid);
-- +goose StatementEnd

-- +goose Down
-- +goose StatementBegin
DROP INDEX IF EXISTS ix_orders_tenant_amount_paid;
-- +goose StatementEnd