Moving a Rails app to UTC in PostgreSQL

2009-03-22 20:00:00 -0400

We all make mistakes. Or we make decisions that we have to later revisit, to put it kindly! I’ve got a Rails app where I wasn’t using UTC back in the beginning, and this was pre Rails 2.1, so ActiveRecord has been storing all the time stamps into postgres as Eastern time. I need to move all those dates over to UTC for this particular app to go through its next growth spurt, so I threw together a migration that does just that. I’d like to think it couldn’t get more DRY, hope it’s useful to anyone else out there. It’s dependent on Postgres, but you could adapt the increment statement to suit your own DB or to be more generic:

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