Thank you 1nickt for showing this handy trick. It's a lot there! I am new to DBIC and SQL in general so that's appreciated.

But I would prefer 2 different tables: Play, Concert. Because the search is like "select all comments for this concert". Unless a JOIN can take additional conditions (like a WHERE comment_type='play' - excuse my lameness?) I can perhaps use an intermediate table which holds comment ids, comment types and foreign key ids (e.g. for play or concert) or even get all comments for a specific event type, then find those with the specific concert id.

In reply to Re^2: DB: what kind of relationship? by bliako
in thread DB: what kind of relationship? by bliako

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