db/models:
db/models:

Cleaner iterators for GMF result trees.


Former-commit-id: c1fdc0c20699f6f5940c6d5b1434618c4fa6a03f [formerly 560882a78a5cc124d87c009b208e1bab3a67315a]
Former-commit-id: 5b9ea9806ddcf6603497bf0ee2e343d60c431e9b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine