ActiveRecord Migrations Presentation Slides Available

Posted by Eric Stewart Wed, 14 Dec 2005 18:28:00 GMT

Last night I gave a presentation at the second Austin Ruby on Rails User Group meeting on ActiveRecord Migrations. We had an excellent turnout (the room was small, but it was packed) for a December meeting.

Robert Rasmussen gave an excellent talk on Ajax development with Rails, and then I followed up with my talk trying hard not to put too many people to sleep with a database talk from an inexperiences speaker. Even the design-focused attendees tried to feign interest.

You can check out the slides from the talk in [pdf] or [flash]. Note that I’m converting over the more Presentation Zen style of presentation, but am still in transition. These slides are intended more to be visuals for the presentation than a standalone document. <!- technorati tags start ->

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  1. Larry Wright said about 10 hours later:

    Well done. I’ve been meaning to get started using migrations, and this was just what I needed.

  2. Henry said about 13 hours later:

    You mention in the gotchas something about using the model after the migration. What do you mean by that. The reason I ask is I have tried to do that and have seen some weird behavior that I couldn’t track down.

  3. Eric said about 14 hours later:

    What sort of problems are you seeing? The gotcha you are referring to mentions calling reset_column_information on a model class you just modified. Otherwise, the model class doesn’t know you changed the underlying database.

    Take a look at the API Docs on Migrations. The section on Using a model after changing its table describes it.

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