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| Description: | When Active Record objects are saved from a form, empty fields are saved as empty strings instead of nil. This kills most validations. |
| Homepage: | |
| Clone URL: | git://github.com/collectiveidea/clear_empty_attributes.git |
| name | age | message | |
|---|---|---|---|
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.gitignore | Tue Dec 23 04:23:28 -0800 2008 | |
| |
README.markdown | Sun Nov 22 01:44:16 -0800 2009 | |
| |
Rakefile | Fri Nov 13 04:24:53 -0800 2009 | |
| |
VERSION | Thu Nov 12 22:35:05 -0800 2009 | |
| |
clear_empty_attributes.gemspec | Thu Nov 12 22:46:16 -0800 2009 | |
| |
init.rb | Mon Feb 05 06:55:52 -0800 2007 | |
 |
lib/ | Thu Nov 12 22:45:50 -0800 2009 | |
| |
spec/ | Thu Nov 12 22:34:49 -0800 2009 | |
| |
tasks/ | Thu Jan 15 22:15:35 -0800 2009 |
README.markdown
Problem
When AR objects are saved, empty fields are saved as '' instead of nil.
- Complicates queries for empty fields (
WHERE field IS NULL OR field = '') - Makes the use of
unless field.blank?necessary (opposed to onlyif field) - Can lead to late-detected bugs because most of the time strings were
filled or ''and suddenly they arenil - Some validations do not support
:allow_blank=>true - Databases can handle
NULLbetter & faster than empty strings (especially when usingLIKE)
Solution
Defines an AR before_validation that sets empty Strings to nil.
Install
script/plugin install git://github.com/collectiveidea/clear_empty_attributes.git
OR
sudo gem install clear_empty_attributes
Migration
When you are switching to clear_empty_attributes, run this task
to remove any '' strings/texts from your database.
rake db:clear_empty_attributes
(only works when checked out or installed as plugin)
Authors
Hereby placed under public domain, do what you want, just do not hold anybody accountable...
