recompose this grid

testing results for: sql
power8
GNU-Fed-p64
sql/test/BugTracker-201941.498 
disallow_duplicate_column_aliases.Bug-6723 X X0.598 
prepare-types.Bug-6724 X X0.558 
sequence-first-next-value.Bug-6743 X O0.560 
alter_table_drop_column.Bug-6749 X O3.815 
remote-table-non-existent-column.Bug-6750 M M0.464 
cte-union.Bug-6755 M A10.598 
70121 (candidate-exceptions)