I dunno about you, but in my experience, queries eventually need to be generated dynamically, which means having queries that can be externally represented by d

I dunno about you, but in my experience, queries eventually need to be generated dynamically, which means having queries that can be externally represented by data structures. Having a data structure that represents a query in the first place is a pretty good idea. Even better is being able to go back and forth between strings and data structures.