Ruby on Rails

Oh, yeah, and the standard details:
Rails 4.1.6
MariaDB
SuSE Linux

On Wed, 15 Oct 2014 17:01:56 -0400
Brian Sammon <rubyonrails-list@brisammon.fastmail.fm> wrote:

> All my tables/models have a "revision" field, and I have a
> before_update callback to increment the revision field.
>
> Among my tables are:
> events
> rooms
> events_rooms
>
> In my Event model, I have:
> has_many :eventRooms
> has_many(:rooms, :through => :eventRooms)
>
> When I create an event, assign a room or two, and then save, the
> "events_rooms" table entry is initially created with a revision of 1,
> and then (immediately, automatically, and inexplicably) updated to have
> a revision of 2. I do not want every new record to have a revision
> number of 2. The revision 2 version is identical to revision 1 (which
> it replaces), aside from the revision number.
>
> I can reproduce this in the rails console with the following:
> event = Event.new({'name' => 'Meeting 5'})
> event.rooms << Room.find(['1', '2'])
> event.save
>
> Does anyone have any idea why this could be happening or where I should
> look for further troubleshooting?
>
> I'm working trying to strip out all the weird stuff (there's a lot) that
> I had in my app, and remove anything proprietary so I can make a simple
> test case.
> So far, none of my simplifications have made this problem go away.
>
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