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| author | Zachary Scott <e@zzak.io> | 2015-04-12 17:58:56 -0700 |
|---|---|---|
| committer | Zachary Scott <e@zzak.io> | 2015-04-12 17:58:56 -0700 |
| commit | 055d9993b5a47ba126e3e6f7a533006bff9e715a (patch) | |
| tree | d37777500c766109993df78da5fb6308a1f30e91 /activerecord/lib/active_record | |
| parent | 558597c0f804ddd9e43e5966d4c0f3b371fa4ed7 (diff) | |
| parent | a9f2c124aff3f61bd9dc2a023c37955652209f52 (diff) | |
| download | rails-055d9993b5a47ba126e3e6f7a533006bff9e715a.tar.gz rails-055d9993b5a47ba126e3e6f7a533006bff9e715a.tar.bz2 rails-055d9993b5a47ba126e3e6f7a533006bff9e715a.zip | |
Merge branch 'patch-1'
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/relation/calculations.rb | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index 8f16de3519..402b317d9c 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -130,9 +130,9 @@ module ActiveRecord # the plucked column names, if they can be deduced. Plucking an SQL fragment # returns String values by default. # - # Person.pluck(:id) - # # SELECT people.id FROM people - # # => [1, 2, 3] + # Person.pluck(:name) + # # SELECT people.name FROM people + # # => ['David', 'Jeremy', 'Jose'] # # Person.pluck(:id, :name) # # SELECT people.id, people.name FROM people @@ -150,6 +150,8 @@ module ActiveRecord # # SELECT DATEDIFF(updated_at, created_at) FROM people # # => ['0', '27761', '173'] # + # See also +ids+. + # def pluck(*column_names) column_names.map! do |column_name| if column_name.is_a?(Symbol) && attribute_alias?(column_name) |