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| author | David Heinemeier Hansson <david@loudthinking.com> | 2018-02-09 10:30:19 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-02-09 10:30:19 -0800 |
| commit | 80cc0d323ba08a51d4299cb4fc34f157818fead4 (patch) | |
| tree | 78b41781f1d67b810dc781084a5971ea469424bf /activerecord/test | |
| parent | b6ee4e4b989bfc2fe50b2b830fdcb90ef9e23d9a (diff) | |
| download | rails-80cc0d323ba08a51d4299cb4fc34f157818fead4.tar.gz rails-80cc0d323ba08a51d4299cb4fc34f157818fead4.tar.bz2 rails-80cc0d323ba08a51d4299cb4fc34f157818fead4.zip | |
Add Relation#pick as short-hand for single-value plucks (#31941)
* Add Relation#pick as short-hand for single-value plucks
Diffstat (limited to 'activerecord/test')
| -rw-r--r-- | activerecord/test/cases/calculations_test.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb index 82b15e565b..ec8bc913a1 100644 --- a/activerecord/test/cases/calculations_test.rb +++ b/activerecord/test/cases/calculations_test.rb @@ -793,6 +793,16 @@ class CalculationsTest < ActiveRecord::TestCase end end + def test_pick_one + assert_equal "The First Topic", Topic.order(:id).pick(:heading) + assert_nil Topic.where("1=0").pick(:heading) + end + + def test_pick_two + assert_equal ["David", "david@loudthinking.com"], Topic.order(:id).pick(:author_name, :author_email_address) + assert_nil Topic.where("1=0").pick(:author_name, :author_email_address) + end + def test_grouped_calculation_with_polymorphic_relation part = ShipPart.create!(name: "has trinket") part.trinkets.create! |