basic query validation before executing it
basic query validation before executing it

zegang/saiku,qixiaobo/saiku-self,hengyuan/saiku,standino/saiku,OSBI/saiku,OSBI/saiku,bisone/saiku,qixiaobo/saiku-self,dasbh/saiku,hengyuan/saiku,witcxc/saiku,bisone/saiku,qqming113/saiku,qqming113/saiku,zegang/saiku,dasbh/saiku,newenter/saiku,standino/saiku,bisone/saiku,customme/saiku,zegang/saiku,standino/saiku,OSBI/saiku-ui,bisone/saiku,wwf830527/saiku,dasbh/saiku,NAUMEN-GP/saiku,ZauR77/saiku-ui,devgateway/ccrs-saiku,customme/saiku,standino/saiku,dasbh/saiku,GermainSIGETY/sauceDallas-saiku3-ui,customme/saiku,OSBI/saiku-ui,qqming113/saiku,bisone/saiku,OSBI/saiku,brenopolanski/saiku-ui,wtstengshen/saiku,qqming113/saiku,OSBI/saiku,OSBI/saiku,standino/saiku,NAUMEN-GP/saiku,pstoellberger/saiku-ui,wwf830527/saiku,customme/saiku,dasbh/saiku,zegang/saiku,newenter/saiku,qqming113/saiku,wtstengshen/saiku,dasbh/saiku,wtstengshen/saiku,hengyuan/saiku,devgateway/ccrs-saiku,devgateway/ccrs-saiku,newenter/saiku,witcxc/saiku,qqming113/saiku,pstoellberger/saiku-ui,qixiaobo/saiku-self,NAUMEN-GP/saiku,bisone/saiku,qixiaobo/saiku-self,newenter/saiku,standino/saiku,wtstengshen/saiku,NAUMEN-GP/saiku,brenopolanski/saiku-ui,devgateway/ccrs-saiku,zegang/saiku,wwf830527/saiku,wwf830527/saiku,NAUMEN-GP/saiku,devgateway/ccrs-saiku,devgateway/ccrs-saiku,hengyuan/saiku,wwf830527/saiku,witcxc/saiku,wtstengshen/saiku,wtstengshen/saiku,zegang/saiku