kbmMWClientQuery.Undo存的坑

在项目中使用了Undo方法,今天被同事发现一个坑,就是Undo后的记录还是被提交了!

kbmMWClientQuery1.Append;
kbmMWClientQuery1.FieldByName('fid').AsString:='4';
kbmMWClientQuery1.FieldByName('fname').AsString:='4';
kbmMWClientQuery1.FieldByName('fint').AsInteger:=4;
kbmMWClientQuery1.FieldByName('fint64').AsInteger:=4;
kbmMWClientQuery1.Post;

kbmMWClientQuery1.Undo;

kbmMWClientQuery1.AppendRecord(['5','5555',1,1]);
kbmMWClientQuery1.Resolve;

看上面的代码,增加一条记录,然后Undo,再增加一条,提交数据,结果是第一次增加的记录,还是被提交了!

大坑!不带这么玩的!!

已经提交到作者的BBS:https://components4developers.blog/forums/topic/issue-of-kbmmwclientquery-undo/

原文地址:https://www.cnblogs.com/kinglandsoft/p/14992058.html