#5073 AR::Relation can't be encoded to JSON - Ruby on Rails

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#5073 ✓resolved

AR::Relation can't be encoded to JSON

Reported by Mislav | July 8th, 2010 @ 09:26 PM | in 3.x

Although AR::Relation provides to_json, it still can't be encoded with ActiveSupport::JSON.encode because the latter detects a circular reference and errors out. So, this is not possible:

# controller action
render :json => relation

I fixed it by providing as_json method in AR::Relation.

Comments and changes to this ticket

Rohit Arondekar July 9th, 2010 @ 02:35 AM
- State changed from “new” to “open”
- Importance changed from “” to “Low”
Can you please make a patch according to this http://rails.lighthouseapp.com/projects/8994/sending-patches
You flagged this item as spam.
Mislav July 10th, 2010 @ 05:11 PM
What's wrong with pushing changes to my remote? With hub, the above link can be cherry-picked by just doing this:
```
$ git cherry-pick http://github.com/mislav/rails/commit/59a4fe0a09
```
This is much faster and easier than applying mailbox-formatted patch files.
Neeraj Singh July 10th, 2010 @ 05:51 PM
- Milestone set to “3.x”
- Assigned user set to “José Valim”
+1 works great
Repository July 13th, 2010 @ 07:37 AM
- State changed from “open” to “resolved”
(from [571cb1ddc6692ed96e04a14e670beb01ba8c93ca]) enable AS::JSON.encode to encode AR::Relation by providing as_json method

[#5073 state:resolved]

Signed-off-by: José Valim jose.valim@gmail.com
http://github.com/rails/rails/commit/571cb1ddc6692ed96e04a14e670beb...