recompose this grid

testing results for: sql
mac-mini
Cla-Dar-i64
mac-mini
Cla-Dar-i64
lab05
Cla-Fed-i64
lab01
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab02
GNU-Fed-i64
lab04
GNU-Fed-i64
lab01
GNU-Fed-i64
lab05
GNU-Fed-i64
lab02
GNU-Fed-i64
lab04
Int-Fed-i64
power8
GNU-Fed-p64
power8
GNU-Fed-p64
win2k12r2
Int-Win-i32
win2k12r2
Mic-Win-i32
win2k12r2
Int-Win-i64
win2k12r2
Mic-Win-i64
lab03
Int-Win-i32
lab03
Mic-Win-i32
lab03
Int-Win-i64
lab03
Mic-Win-i64
sql/test/mergetables8.970 10.296 7.631 19.687 7.981 7.387 33.952 17.668 15.100 8.685 20.510 25.208 17.725 16.809 17.086 15.016 15.575 14.999 24.992 17.035 26.787 14.851 
mergequery X O0.327  X O0.383  X O0.270  X O0.682  X O0.275  X O0.262  X O1.136  - --.---  - --.---  X O0.308  X O0.725  X O0.851  X O0.560  X O0.535  X O0.688  X O0.922  X O0.687  X O0.797  X O1.092  X O0.671  X O1.170  X O0.640 
singlekeyconstraint X X0.353  X X0.374  X X0.267  X X0.664  X X0.268  X X0.254  X X1.091  X X0.614  X X0.530  X X0.283  X X0.681  X X0.830  X X0.553  X X0.526  X X0.594  X X1.079  X X0.641  X X0.578  X X0.951  X X0.702  X X1.139  X X0.608 
67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)67893 (Aug2018)