not compatible with rails 3.1rc4

[gillesmathurin]

Hi, unfortunately it doesn't work with rails 3.1rc4 (at leat on my app) - using rvm and ruby 1.9.2p-180

[purcell]

By "it doesn't work", do you mean that slim_scrooge fails to install, fails to intercept queries, or throws an error?

I'm a contributor, not the author, but I'm sure more detailed information would be welcome.

I would note, however, that when I upgraded an app which used slim_scrooge to Rails 3.0, I found the overall performance was slightly better without slim_scrooge, so if you're considering slim_scrooge as an optimization for your Rails 3.1 app, it may or may be your best option.

-Steve

[sdsykes]

Steve: yes - I think because Rails 3 is already lazy about sending queries to the DB, slim scrooge may or may not help depending on your app.

Gilles: yes, more info on what happens would be helpful.

[gillesmathurin]

Hi, well you are right, by doesn't work i mean it prevents queries to be made. Simple test, create an app with rails 3.1rc4 , add a simple model (like Post) add an index action Post.all and see the app throwing an error while accessing the index page , the same happens in the rails console …

i may have miss something though (not as smart) as you guys

[algritz]

I can confirm the issue, I had a 3.0.9 app that I upgraded to 3.1.1, a simple User.find stopped working => ( I had logged the following issue on rails rails/rails#3452).

As soon a I removed reference to slims_scrooge and updated my bundle, it worked.

Windows 7
Ruby 1.8.7 (patch 352)
Rails 3.1.1

[sdsykes]

I'll have time to investigate, but it'll be in a couple of days. In the mean time, pull requests are welcome...

[algritz]

I'm in no rush, as my app suffer other issues elsewhere anyway. (I can't pre-compile assests)

[alecslupu]

hello!
I am having the same issue ... from what i have seen .... my problem resides somewhere in :

lib / slim_scrooge / slim_scrooge.rb line #13

and i think that is because it is not compatible with arel:

here is my stack trace: https://gist.github.com/1360276

[andreydjason]

Hi, I'm having the same issue, btw the log dont return an specific location for the error file or line number.

wrong number of arguments (2 for 1)
(removing the gem, the app works well)

Ubuntu 11.10
Ruby 1.9.2
Rails 3.1.0

[sdsykes]

I'm sorry I haven't had time to look at this. Thanks for the reports, this weekend should provide me an opportunity.

[sdsykes]

Thie issue is that the internal API has changed here, and we are now getting an Arel object instead of the SQL.

In fact this could be beneficial, because we can manipulate the query better while it is in Arel, but it's going to take a little while to figure out and test.

[alecslupu]

Yeah ... is there any way i could help you ?
i am rails noob, but maybe i could help you with something ...

[sdsykes]

Now I have a modified version that is partially working, more testing to do though.

If you can find out the best way to modify an ARel SelectManager object to vary the select columns, that would certainly be of use, because at the moment I am delving inside it, which is not ideal.

[bhushangahire]

This issue is not yet resolved on Rails 3.2. Its breaking on User.find

[aarthiraj561]

Hi.. i am facing the same problem with slim_scrooge.

I added gem slim_scrooge to my gemfile and bundle installed and run the server. It gives me an error in the line which just do a simple User.find .... Also when i uncomment the slim_scrooge from the gemfile and restart it works....

May i know what is the problem and also if you can provide me any other alternative gem to this?

Thanks

[jimmckerchar]

Is there any progress on this?

I've had a quick look and have (potentially) a fix that works with Rails 3.1.3

It looks like binds=[] should be passed as a parameter to find_by_sql_with_slim_scrooge

def find_by_sql_with_slim_scrooge(sql, binds = [])

and then passing it on to

rows = connection.select_all(sql, "#{name} Load SlimScrooged 1st time", binds)

Can anyone clarify?