对guanglanroadvoltage 表添加随机测试数据的代码,仅支持添加一条数据

 insert into guanglanroadvoltage values(id,floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),CURRENT_TIMESTAMP);
 
 insert into guanglanroadvoltage values(id,floor(rand()*10),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),floor(rand()*50),CURRENT_TIMESTAMP);

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