only select necessary columns for gradecalculator
only select necessary columns for gradecalculator

instead of fulling in some possibly large columns that we ignore

also, we don't care about the order, so don't make the db sort
them

test plan:
 * change some scores
 * final scores as shown on csv exports or other places should
   reflect said changes

Change-Id: Ic5c8876aab3d3eed261d9b4714642302f25e0f3e
Reviewed-on: https://gerrit.instructure.com/21153
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Duane Johnson <0a02221ea64f4c9685145b5f44cf84715b4a8bb5@instructure.com>
QA-Review: Jeremy Putnam <b030d6d6f199f844ec424882be473c2ab9adc93b@instructure.com>
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

wrdsb/canvas-lms,Rvor/canvas-lms,instructure/canvas-lms,antoniuslin/canvas-lms,ShreniiNepal/shrenii_lmp,sdeleon28/canvas-lms,sfu/canvas-lms,eCNAP/CANVAS,arrivu/qibla-ecampus,Unow/canvas-lms,shidao-fm/canvas-lms,venturehive/canvas-lms,shidao-fm/canvas-lms,Jyaasa/canvas-lms,whalejasmine/canvas-lms,whalejasmine/canvas-lms,fronteerio/canvas-lms,Jyaasa/canvas-lms,kyroskoh/canvas-lms,leftplusrightllc/canvas-lms,gbleydon/canvas-lms,djbender/canvas-lms,matematikk-mooc/canvas-lms,fronteerio/canvas-lms,roxolan/canvas-lms,wye0220/shindig-canvas,venturehive/canvas-lms,gbleydon/canvas-lms,djbender/canvas-lms,redconfetti/canvas-lms,Unow/canvas-lms,Unow/canvas-lms,utkarshx/canvas-lms,utkarshx/canvas-lms,redconfetti/canvas-lms,dgynn/canvas-lms,grahamb/canvas-lms,loganrun/pincan,samuels410/greatlakes-lms,juoni/canvas-lms,kyroskoh/canvas-lms,matematikk-mooc/canvas-lms,tgroshon/canvas-lms,landonwilkins/canvas-lms,jay3126/canvas-lms,instructure/canvas-lms,juoni/canvas-lms,djbender/canvas-lms,efrj/canvas-lms,greyhwndz/canvas-lms,Rvor/canvas-lms,redconfetti/canvas-lms,eCNAP/CANVAS,leftplusrightllc/canvas-lms,AndranikMarkosyan/lms,djbender/canvas-lms,HotChalk/canvas-lms,eCNAP/CANVAS,jay3126/canvas-lms,usmschuck/canvas,utkarshx/canvas-lms,Jyaasa/canvas-lms,greyhwndz/canvas-lms,SwinburneOnline/canvas-lms,wimemx/Canvas,va7map/canvas-lms,samuels410/greatlakes-lms,AndranikMarkosyan/lms,greyhwndz/canvas-lms,leftplusrightllc/canvas-lms,juoni/canvas-lms,arrivu/qibla-ecampus,greyhwndz/canvas-lms,roxolan/canvas-lms,roxolan/canvas-lms,fronteerio/canvas-lms,SwinburneOnline/canvas-lms,usmschuck/canvas,snehakachroo1/LSI_replica,usmschuck/canvas,arrivu/hoodemo,tgroshon/canvas-lms,dgynn/canvas-lms,shidao-fm/canvas-lms,eCNAP/CANVAS,kyroskoh/canvas-lms,HotChalk/canvas-lms,grahamb/canvas-lms,gbleydon/canvas-lms,usmschuck/canvas,roxolan/canvas-lms,wimemx/Canvas,dgynn/canvas-lms,sdeleon28/canvas-lms,merichar/canvas-lms,Jyaasa/canvas-lms,utkarshx/canvas-lms,skmezanul/canvas-lms,samuels410/greatlakes-lms,loganrun/pincan,snehakachroo1/LSI_replica,AndranikMarkosyan/lms,merichar/canvas-lms,skmezanul/canvas-lms,snehakachroo1/LSI_replica,ShreniiNepal/shrenii_lmp,skmezanul/canvas-lms,va7map/canvas-lms,AndranikMarkosyan/lms,instructure/canvas-lms,arrivu/arrivu-lms,skmezanul/canvas-lms,arrivu/hoodemo,whalejasmine/canvas-lms,landonwilkins/canvas-lms,sfu/canvas-lms,SwinburneOnline/canvas-lms,instructure/canvas-lms,narigone/canvas,leftplusrightllc/canvas-lms,redconfetti/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,arrivu/jigsaw-lms,antoniuslin/canvas-lms,wrdsb/canvas-lms,sfu/canvas-lms,Rvor/canvas-lms,antoniuslin/canvas-lms,sdeleon28/canvas-lms,arrivu/jigsaw-lms,instructure/canvas-lms,ShreniiNepal/shrenii_lmp,narigone/canvas,ShreniiNepal/shrenii_lmp,sfu/canvas-lms,tgroshon/canvas-lms,fronteerio/canvas-lms,grahamb/canvas-lms,wye0220/shindig-canvas,wrdsb/canvas-lms,jay3126/canvas-lms,whalejasmine/canvas-lms,va7map/canvas-lms,va7map/canvas-lms,SwinburneOnline/canvas-lms,merichar/canvas-lms,arrivu/arrivu-lms,efrj/canvas-lms,HotChalk/canvas-lms,narigone/canvas,grahamb/canvas-lms,Rvor/canvas-lms,arrivu/arrivu-lms,juoni/canvas-lms,antoniuslin/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,narigone/canvas,arrivu/qibla-ecampus,landonwilkins/canvas-lms,snehakachroo1/LSI_replica,efrj/canvas-lms,matematikk-mooc/canvas-lms,sfu/canvas-lms,samuels410/greatlakes-lms,wye0220/shindig-canvas,arrivu/hoodemo,wimemx/Canvas,dgynn/canvas-lms,matematikk-mooc/canvas-lms,jay3126/canvas-lms,venturehive/canvas-lms,tgroshon/canvas-lms,loganrun/pincan,landonwilkins/canvas-lms,efrj/canvas-lms,kyroskoh/canvas-lms,wrdsb/canvas-lms,shidao-fm/canvas-lms,sdeleon28/canvas-lms,arrivu/jigsaw-lms,sfu/canvas-lms