a.uuid AS "uuid",
a.uid AS "uid",
a.symbol AS "symbol",
a.project_name AS "projectName",
a.order_quantity AS "orderQuantity",
a.turnover AS "turnover",
a.order_type AS "orderType",
a.direction AS "direction",
a.price AS "price",
a.status AS "status",
a.ts AS "ts"