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#4129 ✓stale

Long scope chain fails

Reported by suckerpunch | March 8th, 2010 @ 02:58 AM

I have a number of scopes set up in my Picture model. To wit:

scope :live, :conditions => { :is_live => true } scope :featured, :conditions => { :featured => true } scope :random, :order => 'RAND()' scope :but_not, lambda { | picture_id | where( 'id != ?', picture_id ) }

When I use these as so:

pictures.but_not( picture_id ).live.random.limit( 9 ).all'

I receive an error, such as:

undefined method 'all' for #<Picture:0x1067a0a60>'

Now this varies depending on the order of the items in the chain, which suggests either there needs to be a specific order by which these chains must be built, or something isn't returning an ActiveRecord. Is this a bug, or is it a problem with the order, or both. Either way, some clarification would be marvellous.

Comments and changes to this ticket

  • Pratik

    Pratik March 8th, 2010 @ 09:02 AM

    Could you please submit a failing test ?


  • Santiago Pastorino

    Santiago Pastorino February 2nd, 2011 @ 04:54 PM

    • State changed from “new” to “open”
    • Importance changed from “” to “Low”

    This issue has been automatically marked as stale because it has not been commented on for at least three months.

    The resources of the Rails core team are limited, and so we are asking for your help. If you can still reproduce this error on the 3-0-stable branch or on master, please reply with all of the information you have about it and add "[state:open]" to your comment. This will reopen the ticket for review. Likewise, if you feel that this is a very important feature for Rails to include, please reply with your explanation so we can consider it.

    Thank you for all your contributions, and we hope you will understand this step to focus our efforts where they are most helpful.

  • Santiago Pastorino

    Santiago Pastorino February 2nd, 2011 @ 04:54 PM

    • State changed from “open” to “stale”
  • bingbing

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