Util: a optimization of mysql.* in Datum
Util: a optimization of mysql.* in Datum

We can use the space of Datum to save mysql.* to save the cost of interface.

ngaut/tidb,tiancaiamao/tidb,wusphinx/tidb,c4pt0r/tidb,Cofyc/tidb,ngaut/tidb,liyu4/tidb,coocood/tidb,kyle-wang/tidb,anywhy/tidb,CodeRushing/tidb,JinheLin/tidb,yangwenmai/tidb,qiuyesuifeng/tidb,qiuyesuifeng/tidb,silentred/tidb,c4pt0r/tidb,yangwenmai/tidb,kyle-wang/tidb,louishust/tidb,ngaut/tidb,yuanwhy/tidb,8cbx/tidb,pingcap/tidb,zimulala/tidb,qhsong/tidb,c4pt0r/tidb,EvilMcJerkface/tidb,simon-xia/tidb,ngaut/tidb,Nify/tidb,gaocegege/tidb,8cbx/tidb,zs634134578/tidb,c4pt0r/tidb,kyle-wang/tidb,simon-xia/tidb,kyle-wang/tidb,ueizhou/tidb,JinheLin/tidb,liyu4/tidb,Cofyc/tidb,astaxie/tidb,pingcap/tidb,coocood/tidb,yuanwhy/tidb,cosmtrek/tidb,XuHuaiyu/tidb,ming-relax/tidb,XuHuaiyu/tidb,cosmtrek/tidb,myrice/tidb,CodeRushing/tidb,tiancaiamao/tidb,silentred/tidb,andelf/tidb,pingcap/tidb,qhsong/tidb,EvilMcJerkface/tidb,Nify/tidb,astaxie/tidb,ngaut/tidb,silenceper/tidb,mccxj/tidb,myrice/tidb,c4pt0r/tidb,kyle-wang/tidb,wusphinx/tidb,spongedu/tidb,pingcap/tidb,andelf/tidb,pingcap/tidb,zimulala/tidb,ueizhou/tidb,kyle-wang/tidb,c4pt0r/tidb,mccxj/tidb,spongedu/tidb,louishust/tidb,anywhy/tidb,ming-relax/tidb,zs634134578/tidb,pingcap/tidb,silenceper/tidb,ngaut/tidb,gaocegege/tidb