rengolin/HPCC-Platform — comment on commit f9116b36d6b8d1d23415e3a48f603fcbdaa66ca7
File: ecl/hqlcpp/hqlhtcpp.cpp line 15934
By ghalliday:

This would normally be assigned to an IHqlExpression * since it can't disappear in the function.
I would normally use expr->queryChild(1) instead where I know expr can only be one type of node