- Smarter handling of model-graph when dealing with compound queries (union, intersect, etc). #1579.
- If the same column-name is selected multiple times, first value wins. #1579.
- If
ModelSelect.switch()is called without any arguments, default to the query's model. Refs #1573. - Fix issue where cloning a ModelSelect query did not result in the joins being cloned. #1576.