Fixed that AR exists?() would explode on postgresql if the passed id did not match the PK type #900 [Scott Barron]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@983 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

2 files changed, 3 insertions, 1 deletions

diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index f782f6846d..8f3846a482 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Fixed that AR exists?() would explode on postgresql if the passed id did not match the PK type #900 [Scott Barron]
+
 * Fixed the MS SQL adapter to work with the new limit/offset approach and with binary data (still suffering from 7KB limit, though) #901 [delynnb]
 
 
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 400f0ceb81..b3d4400138 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -330,7 +330,7 @@ module ActiveRecord #:nodoc:
       # Example:
       #   Person.exists?(5)
       def exists?(id)
-        !find_first("#{primary_key} = #{sanitize(id)}").nil?
+        !find_first("#{primary_key} = #{sanitize(id)}").nil? rescue false
       end
 
       # This method is deprecated in favor of find with the :conditions option.