further clarification on transaction state
further clarification on transaction state

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