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It's more that Rails needs to know how to recreate the columns

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Jason Noble 2011-12-03 19:12:23 -07:00
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railties/guides/source/migrations.textile
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@ -327,7 +327,7 @@ As always, what has been generated for you is just a starting point. You can add
or remove from it as you see fit.
NOTE: The generated migration file for destructive migrations will still be
old-style using the +up+ and +down+ methods. This is because Rails doesn't know
old-style using the +up+ and +down+ methods. This is because Rails needs to know
the original data types defined when you made the original changes.
h3. Writing a Migration