add option to hardcode a cache key
add option to hardcode a cache key

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