reuse conn must not in trans and must have autcommit
reuse conn must not in trans and must have autcommit

maxencoder/mixer,fengshao0907/mixer,siddontang/mixer,deafgoat/mixer,leohdr/mixer,flashbuckets/mixer,shenli/mixer,deafgoat/mixer,shenli/mixer,maxencoder/mixer,siddontang/mixer,flashbuckets/mixer,leohdr/mixer,fengshao0907/mixer