hpcc-systems/HPCC-Platform — pull request #1077 by ghalliday (2011-11-30 11:51:30+00:00)
Title: fix gh-1075 remove unhelp warning on MERGE grouped

Previously the code generator reported a warning if the input to a
MERGE oepration was grouped. This isn't very helpful - since it is
legal and I can't imagine an alternative expected behaviour if the
input were grouped.

Signed-off-by: Gavin Halliday