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| author | Juanjo Bazán <jjbazan@gmail.com> | 2012-01-30 21:36:47 +0100 |
|---|---|---|
| committer | Juanjo Bazán <jjbazan@gmail.com> | 2012-01-31 19:50:09 +0100 |
| commit | 8270e4a8ce8337fca98030953922e5992b06a3dd (patch) | |
| tree | b7a1c68c6fe36a18c88e92363f648b609091ee5f /activerecord/lib/active_record/null_relation.rb | |
| parent | bb842e8d2111e50b21a14b8bd6d89371a4b9cd68 (diff) | |
| download | rails-8270e4a8ce8337fca98030953922e5992b06a3dd.tar.gz rails-8270e4a8ce8337fca98030953922e5992b06a3dd.tar.bz2 rails-8270e4a8ce8337fca98030953922e5992b06a3dd.zip | |
Added `none` query method to return zero records.
And added NullRelation class implementing the null object pattern for the `Relation` class.
Diffstat (limited to 'activerecord/lib/active_record/null_relation.rb')
| -rw-r--r-- | activerecord/lib/active_record/null_relation.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb new file mode 100644 index 0000000000..60c37ac2b7 --- /dev/null +++ b/activerecord/lib/active_record/null_relation.rb @@ -0,0 +1,10 @@ +# -*- coding: utf-8 -*- + +module ActiveRecord + # = Active Record Null Relation + class NullRelation < Relation + def exec_queries + @records = [] + end + end +end
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