diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rwxr-xr-x | activerecord/lib/active_record/base.rb | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index d704bf5206..40dfb387ce 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -426,10 +426,13 @@ module ActiveRecord #:nodoc: # You can also pass a set of SQL conditions. # Example: # Person.exists?(5) + # Person.exists?('5') # Person.exists?(:name => "David") - def exists?(conditions) - conditions = ["#{primary_key} = ?", conditions] if conditions.is_a?(Fixnum) - !find(:first, :conditions => conditions).nil? rescue false + # Person.exists?(['name LIKE ?', "%#{query}%"]) + def exists?(id_or_conditions) + !find(:first, :conditions => expand_id_conditions(id_or_conditions)).nil? + rescue ActiveRecord::ActiveRecordError + false end # Creates an object, instantly saves it as a record (if the validation permits it), and returns it. If the save @@ -1224,6 +1227,15 @@ module ActiveRecord #:nodoc: end end + # Interpret Array and Hash as conditions and anything else as an id. + def expand_id_conditions(id_or_conditions) + case id_or_conditions + when Array, Hash then id_or_conditions + else construct_conditions_from_arguments([primary_key], [id_or_conditions]) + end + end + + # Defines an "attribute" method (like #inheritance_column or # #table_name). A new (class) method will be created with the # given name. If a value is specified, the new method will |