search for: matz_engagements

Displaying 1 result from an estimated 1 matches for "matz_engagements".

2006 May 27
7
How should I select rows from a join-model based on more than one association?
A concrete example: We''re building a system to organize the information about workshops being held in various conventions. A convention has more than one workshop, and each workshop can be held in more than one convention. Also each workshop has a host, who is specific to a workshop being held in a specific convention. For example, Matz may host an "Introduction to Ruby"