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Added help notes on non-association scopes #115

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Apr 2, 2014
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Added help notes on non-association scopes #115

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9 changes: 9 additions & 0 deletions README.md
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Expand Up @@ -76,6 +76,15 @@ All `position` queries (select, update, etc.) inside gem methods are executed wi

The `position` column is set after validations are called, so you should not put a `presence` validation on the `position` column.


If you need a scope by a non-association field you should pass an array, containing field name, to a scope:
```ruby
class TodoItem < ActiveRecord::Base
# `kind` is a plain text field (e.g. 'work', 'shopping', 'meeting'), not an association
acts_as_list scope: [:kind]
end
```

## Versions
All versions `0.1.5` onwards require Rails 3.0.x and higher.

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