*: add rollback for load data statement (#9444)
*: add rollback for load data statement (#9444)


pingcap/tidb,kyle-wang/tidb,pingcap/tidb,ming-relax/tidb,ngaut/tidb,c4pt0r/tidb,kyle-wang/tidb,c4pt0r/tidb,Cofyc/tidb,coocood/tidb,c4pt0r/tidb,pingcap/tidb,c4pt0r/tidb,ngaut/tidb,coocood/tidb,ngaut/tidb,ngaut/tidb,kyle-wang/tidb,c4pt0r/tidb,qiuyesuifeng/tidb,kyle-wang/tidb,ming-relax/tidb,ngaut/tidb,Cofyc/tidb,EvilMcJerkface/tidb,ngaut/tidb,cosmtrek/tidb,kyle-wang/tidb,pingcap/tidb,XuHuaiyu/tidb,XuHuaiyu/tidb,EvilMcJerkface/tidb,qiuyesuifeng/tidb,kyle-wang/tidb,pingcap/tidb,c4pt0r/tidb,pingcap/tidb,cosmtrek/tidb