fix mysql borkage
fix mysql borkage

itkovian/sqlalchemy,itkovian/sqlalchemy,sandan/sqlalchemy,j5int/sqlalchemy,inspirehep/sqlalchemy,wfxiang08/sqlalchemy,Cito/sqlalchemy,halfcrazy/sqlalchemy,alex/sqlalchemy,epa/sqlalchemy,wujuguang/sqlalchemy,hsum/sqlalchemy,Cito/sqlalchemy,EvaSDK/sqlalchemy,bdupharm/sqlalchemy,inspirehep/sqlalchemy,ThiefMaster/sqlalchemy,monetate/sqlalchemy,Cito/sqlalchemy,276361270/sqlalchemy,sqlalchemy/sqlalchemy,monetate/sqlalchemy,brianv0/sqlalchemy,276361270/sqlalchemy,pdufour/sqlalchemy,zzzeek/sqlalchemy,Akrog/sqlalchemy,WinterNis/sqlalchemy,WinterNis/sqlalchemy,alex/sqlalchemy,robin900/sqlalchemy,robin900/sqlalchemy,bootandy/sqlalchemy,davidjb/sqlalchemy,Akrog/sqlalchemy,halfcrazy/sqlalchemy,davidjb/sqlalchemy,graingert/sqlalchemy,graingert/sqlalchemy,wujuguang/sqlalchemy,dstufft/sqlalchemy,bootandy/sqlalchemy,alex/sqlalchemy,dstufft/sqlalchemy,sandan/sqlalchemy,hsum/sqlalchemy,davidfraser/sqlalchemy,elelianghh/sqlalchemy,EvaSDK/sqlalchemy,bdupharm/sqlalchemy,brianv0/sqlalchemy,elelianghh/sqlalchemy,j5int/sqlalchemy,wfxiang08/sqlalchemy,olemis/sqlalchemy,epa/sqlalchemy,davidfraser/sqlalchemy,olemis/sqlalchemy,ThiefMaster/sqlalchemy,pdufour/sqlalchemy