想实现数据的备份
在mysql中执行:insert into tlk_fm_pointtopointtrip_backup select * from tlk_fm_pointtopointtrip
记录能插进去
但是在“保存并返回”按钮中代码
#include "constant"
var sql="insert into tlk_fm_pointtopointtrip_backup select * from tlk_fm_pointtopointtrip";
println(sql);
insertByDSName(datasourceName,sql);
没有记录