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| author | Joel Chippindale <joel.chippindale@gmail.com> | 2009-06-18 06:13:39 +0100 |
|---|---|---|
| committer | Joel Chippindale <joel.chippindale@gmail.com> | 2009-06-19 07:32:39 +0100 |
| commit | f9c6dcbf7cfbef6daad48dc6043a6dfaa09cf6b2 (patch) | |
| tree | f6cb61ef07e7d8cfb491ad6f1ab09e54284cfbd9 /activerecord | |
| parent | d2dfd340e3b9beebb1d770c2f0fdbef97f8fb951 (diff) | |
| download | rails-f9c6dcbf7cfbef6daad48dc6043a6dfaa09cf6b2.tar.gz rails-f9c6dcbf7cfbef6daad48dc6043a6dfaa09cf6b2.tar.bz2 rails-f9c6dcbf7cfbef6daad48dc6043a6dfaa09cf6b2.zip | |
Add documentation for qualifying table names in conditions hashes
Diffstat (limited to 'activerecord')
| -rwxr-xr-x | activerecord/lib/active_record/base.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index f755c987c2..26ac2e0de4 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -236,6 +236,12 @@ module ActiveRecord #:nodoc: # # Student.find(:all, :conditions => { :grade => [9,11,12] }) # + # When joining tables, nested hashes or keys written in the form 'table_name.column_name' can be used to qualify the table name of a + # particular condition. For instance: + # + # Student.find(:all, :conditions => { :schools => { :type => 'public' }}, :joins => :schools) + # Student.find(:all, :conditions => { 'schools.type' => 'public' }, :joins => :schools) + # # == Overwriting default accessors # # All column values are automatically available through basic accessors on the Active Record object, but sometimes you |