activerecord

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Welcome to the 'activerecord' tag page at Technorati. This page features content from the farthest reaches of the Blogosphere that authors have "tagged" with 'activerecord'.

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Latest blogosphere posts tagged “activerecord”

  • Case-insensitive validates_uniqueness_of slowness


    Floorplanner Tech BlogAuthority Authority: 400
    Watch out when using validates_uniqueness_of :field, :case_sensitive => false . Rails transforms this in a query that cannot be supported by an index, which will really slow validation down if the underlying table grows larger. For example, we use validates_uniqueness_of to check for duplicate e-mail addresses. ...
    1 week ago
  • Merging named scopes without performing a query


    Danilo SatoAuthority Authority: 92
    It all started when I tweeted : wish I could get hold of a chain of named_scopes without performing any query (which means it can’t be dynamically composed) #activerecord My team has currently been performing some refactorings on our Rails app and one of our goals is to move complex find queries into more ...
    1 week ago
  • ActiveRecord Model Class Name Clash


    FloehopperAuthority Authority: 92
    I’ve just spent way too long trying to work out why the validation callbacks were getting called twice on one of my ActiveRecord models. I thought I’d write this up in case it saves someone else some pain. In the end, I narrowed the problem down to the name of the model class which is Sync . I should’ve ...
    3 weeks ago
  • Putting bloated mongrels on a diet


    Across Weirdish Wild SpaceAuthority Authority: 133
    Um, I’ve done more than a few of these things with ActiveRecord in a Rails app. You probably have too. From the fine folks at the Engine Yard. That’s Not a Memory Leak, It’s Bloat Social Bookmarks
    3 weeks ago

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