executor: notify TiDB update privilege after alter/drop user (#5226)
executor: notify TiDB update privilege after alter/drop user (#5226)


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