The following query shows which AMPs contain the rows of a table.
sel col1, hashamp(hashbucket(hashrow(col1)) map = map1count3 colocate using u1_tabm1c3) (named "which amp?") from u1.tabm1c3 order by 1;
Result:
col1 which amp? ----------- ----------- 0 3 1 2 2 3 3 2 4 2 5 2 6 3 7 2 8 3 9 1