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| author | Nikolai B <nikolai-b@users.noreply.github.com> | 2017-11-14 14:12:40 +0000 |
|---|---|---|
| committer | Nikolai B <nikolai-b@users.noreply.github.com> | 2017-11-14 14:12:43 +0000 |
| commit | 67dbfc69f690f231d5b8257e03b8338af19c1d05 (patch) | |
| tree | a3ed8aab130139daa2bccf3c9bfba0f123f55efd | |
| parent | a1ee43d2170dd6adf5a9f390df2b1dde45018a48 (diff) | |
| download | rails-67dbfc69f690f231d5b8257e03b8338af19c1d05.tar.gz rails-67dbfc69f690f231d5b8257e03b8338af19c1d05.tar.bz2 rails-67dbfc69f690f231d5b8257e03b8338af19c1d05.zip | |
Update `exists?` documentation
Make it clear that `exists?` can be chained onto a relation
| -rw-r--r-- | activerecord/lib/active_record/relation/finder_methods.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 18566b5662..706fd57704 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -284,7 +284,7 @@ module ActiveRecord # * Hash - Finds the record that matches these +find+-style conditions # (such as <tt>{name: 'David'}</tt>). # * +false+ - Returns always +false+. - # * No args - Returns +false+ if the table is empty, +true+ otherwise. + # * No args - Returns +false+ if the relation is empty, +true+ otherwise. # # For more information about specifying conditions as a hash or array, # see the Conditions section in the introduction to ActiveRecord::Base. @@ -300,6 +300,7 @@ module ActiveRecord # Person.exists?(name: 'David') # Person.exists?(false) # Person.exists? + # Person.where(name: 'Spartacus', rating: 4).exists? def exists?(conditions = :none) if Base === conditions raise ArgumentError, <<-MSG.squish |