should use bytes.Equal(rows[i-1].key, rows[i].key) instead (#4446)
should use bytes.Equal(rows[i-1].key, rows[i].key) instead (#4446)


pingcap/tidb,ngaut/tidb,kyle-wang/tidb,spongedu/tidb,wusphinx/tidb,8cbx/tidb,pingcap/tidb,pingcap/tidb,kyle-wang/tidb,CodeRushing/tidb,kyle-wang/tidb,coocood/tidb,XuHuaiyu/tidb,Nify/tidb,mccxj/tidb,pingcap/tidb,Cofyc/tidb,tiancaiamao/tidb,pingcap/tidb,ngaut/tidb,c4pt0r/tidb,qiuyesuifeng/tidb,qiuyesuifeng/tidb,louishust/tidb,ngaut/tidb,ming-relax/tidb,cosmtrek/tidb,cosmtrek/tidb,tiancaiamao/tidb,yuanwhy/tidb,c4pt0r/tidb,XuHuaiyu/tidb,kyle-wang/tidb,Nify/tidb,c4pt0r/tidb,8cbx/tidb,wusphinx/tidb,zimulala/tidb,c4pt0r/tidb,yuanwhy/tidb,ngaut/tidb,mccxj/tidb,ming-relax/tidb,Cofyc/tidb,louishust/tidb,kyle-wang/tidb,spongedu/tidb,kyle-wang/tidb,yangwenmai/tidb,EvilMcJerkface/tidb,EvilMcJerkface/tidb,ngaut/tidb,gaocegege/tidb,ngaut/tidb,zimulala/tidb,pingcap/tidb,c4pt0r/tidb,CodeRushing/tidb,c4pt0r/tidb,coocood/tidb,yangwenmai/tidb,gaocegege/tidb