hpcc-systems/HPCC-Platform — pull request #2780 by jakesmith (2012-07-05 18:00:56+00:00)
Title: gh-2390 rollup matching transform result, not left

Consquently, a match could occur, despite neighbouring rows mismatching.
If the matching key is changed in the transform and the result matches the
next row, but not the original previous row, the rollup continued.

Signed-off-by: Jake Smith