Refinement for r2890, column names should remain unicode.
Refinement for r2890, column names should remain unicode.

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