SELECT * FROM sys_user_cash_account WHERE user_id_ = #{userId} SELECT * FROM sys_user_cash_account WHERE user_id_ = #{userId} for update SELECT * FROM sys_user_cash_account ORDER BY user_id_ INSERT INTO sys_user_cash_account (user_id_,currency_,create_time_,update_time) VALUES(#{userId},#{currency},now(),now()) UPDATE sys_user_cash_account status_ = #{status,typeHandler=com.ym.mec.common.dal.CustomEnumTypeHandler}, user_id_ = #{userId}, update_time = NOW(), frozen_amount_ = #{frozenAmount}, balance_ = #{balance}, margin_balance_ = #{marginBalance}, course_balance_ = #{courseBalance}, currency_ = #{currency}, WHERE user_id_ = #{userId} DELETE FROM sys_user_cash_account WHERE user_id_ = #{userId} SELECT * FROM sys_user_cash_account ORDER BY user_id_ SELECT COUNT(*) FROM sys_user_cash_account SELECT * FROM sys_user_cash_account WHERE user_id_ IN #{userId}