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-rwxr-xr-xactiverecord/lib/active_record/base.rb10
1 files changed, 8 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 5aba0f060a..2cdb43566c 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -548,8 +548,14 @@ module ActiveRecord #:nodoc:
# Person.exists?(:name => "David")
# Person.exists?(['name LIKE ?', "%#{query}%"])
def exists?(id_or_conditions)
- !find(:first, :select => "#{quoted_table_name}.#{primary_key}",
- :conditions => expand_id_conditions(id_or_conditions)).nil?
+ connection.select_all(
+ construct_finder_sql(
+ :select => "#{quoted_table_name}.#{primary_key}",
+ :conditions => expand_id_conditions(id_or_conditions),
+ :limit => 1
+ ),
+ "#{name} Exists"
+ ).size > 0
end
# Creates an object (or multiple objects) and saves it to the database, if validations pass.