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I''ve got two tables set up - Things and Users where Users have many things and Things belongs to Users. They''re connected by Things.user_id => User.id and Things.updated_by_id => User.id both in the Things model using Belongs_to and custom foreign key for one of them. Problem is when I''ve got the updated_by_id belongs_to I can''t add Things using

Hi List! May I tap into your combined common sense ? I have a legacy logging app that needs to be modernized. At the moment, Data is going to be stored in 5 tables, one table is going to contain more than 200 million and 2 others about 60 million rows. Mysql will be used, unless someone sees a major advantage in using something else (at the moment data is stored in a raw positioned file format,