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Count calculations should respect scoped selects
Issuing a count calculation on a scope that explicitly specifies a select option does not respect that select, resulting in incorrect counts.
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Repository- State changed from new to resolved
- Tag changed from activerecord, calculations, count, named_scope to activerecord, calculations, count, named_scope, patch
(from [6543426c73fa9ccf3649d7cbacbbb0fda9b6a099]) Ensure calculations respect scoped :select [#1334 state:resolved]
Signed-off-by: Pratik Naik pratiknaik@gmail.com http://github.com/rails/rails/co...
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Mislav- Tag changed from activerecord, calculations, count, named_scope, patch to activerecord, bug, calculations, count, named_scope, patch, regression
This breaks counts on scoped associations:
author.posts.count # => works author.posts.scoped(:conditions => '1=1') # => FAIL -
Mislav
Uh, the second line in my example should have
count,size,empty?or whatever method at the end to trigger a COUNT query.I also forgot to state the error message: Mysql::Error (bad syntax). There is a join (hmt association) and this SELECT part is generated:
SELECT count(`posts`.*) AS ...This is invalid SQL, it should be "count(posts.id)".
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Ian Terrell
Attached is a patch that includes a failing test case.
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CancelProfileIsBroken
- State changed from resolved to open
- Assigned user set to Pratik
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Ian Terrell
- Assigned user cleared.
The previous attachment was just a "git diff." Attached is a properly formatted patchfile to add my failing test.
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Miha Filej
Workaround: #2189
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Steven Sorokathis patch caused a bug with scopes and has-many-through's, see card #2310
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Michael Koziarski- Milestone cleared.
I'm reverting this in 2-3-stable so we can have a point release.
However I'm leaving this open and targetting 3.0 so we can try and fix the original bug.
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Wolfram ArnoldI wrote up something similar in #1652
It was suggested to me to implement the :counter_sql option for named_scope instead. ActiveRecord::Base#find supports that too.
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Pratik- Assigned user changed from Pratik to Michael Koziarski
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David CuddebackI have a patch that fixes this for the
2-3-stablebranch. I used the tests from Ian Terrell's patch and added one that addresses Mislav's comment. -
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Jared McFarland
Is this ticket still open? I couldn't reproduce the bug in Rails 3.1