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Fixture caching does not work with prefixed/suffixed tables
Reported by Rhett Sutphin | April 16th, 2008 @ 05:18 PM
The fixture caching introduced with Rails 2 doesn't work if your project uses ActiveRecord::Base.table_name_prefix (or _suffix). You will get a NoMethodError with a stacktrace like this:
You have a nil object when you didn't expect it!
The error occurred while evaluating nil.table_name
proj/vendor/rails/activerecord/lib/active_record/fixtures.rb:1003:in `load_fixtures'
proj/vendor/rails/activerecord/lib/active_record/fixtures.rb:1003:in `each'
proj/vendor/rails/activerecord/lib/active_record/fixtures.rb:1003:in `load_fixtures'
proj/vendor/rails/activerecord/lib/active_record/fixtures.rb:941:in `setup'
...and so on.
The problem is that the fixtures are stored in the cache using the actual table name (i.e., with the prefix and/or suffix), but looked up using the fixture name (without the prefix or suffix).
A workaround is to use set_fixture_class, but since the table names all follow a pattern, this is not very DRY. A better solution would be to index the cache by the fixture name instead of the table name. Patch coming soon.
Comments and changes to this ticket
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Rhett Sutphin April 21st, 2008 @ 11:13 PM
I've fixed this in a fork of the 2-0-branch on github. The fix is present in this tree (and is the only change):
http://github.com/rsutphin/rails...
I'm not sure if this is the right way to submit git-based patches, so I'm attaching a traditional patch, too.
-
josh April 30th, 2008 @ 11:00 PM
- State changed from “new” to “resolved”
- Assigned user set to “josh”
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Rhett Sutphin
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