Replaces find(:first) calls.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10930 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/plugins/acts_as_list/lib/active_record/acts/list.rb

         # Return the next higher item in the list.
         def higher_item
           return nil unless in_list?
-          acts_as_list_class.find(:first, :conditions =>
+          acts_as_list_class.where(
             "#{scope_condition} AND #{position_column} = #{(send(position_column).to_i - 1).to_s}"
-          )
+          ).first
         end
 
         # Return the next lower item in the list.
         def lower_item
           return nil unless in_list?
-          acts_as_list_class.find(:first, :conditions =>
+          acts_as_list_class.where(
             "#{scope_condition} AND #{position_column} = #{(send(position_column).to_i + 1).to_s}"
-          )
+          ).first
         end
 
         # Test if this record is in a list

lib/plugins/acts_as_versioned/lib/acts_as_versioned.rb

             has_many :versions, version_association_options do
               # finds earliest version of this record
               def earliest
-                @earliest ||= find(:first, :order => 'version')
+                @earliest ||= order('version').first
               end
 
               # find latest version of this record
               def latest
-                @latest ||= find(:first, :order => 'version desc')
+                @latest ||= order('version desc').first
               end
             end
             before_save  :set_new_version

lib/plugins/awesome_nested_set/lib/awesome_nested_set/awesome_nested_set.rb

 
         # on creation, set automatically lft and rgt to the end of the tree
         def set_default_left_and_right
-          highest_right_row = nested_set_scope(:order => "#{quoted_right_column_name} desc").find(:first, :limit => 1,:lock => true )
+          highest_right_row = nested_set_scope(:order => "#{quoted_right_column_name} desc").limit(1).lock(true).first
           maxright = highest_right_row ? (highest_right_row[right_column_name] || 0) : 0
           # adds the new node to the right of all existing nodes
           self[left_column_name] = maxright + 1
           in_tenacious_transaction do
             reload_nested_set
             # select the rows in the model that extend past the deletion point and apply a lock
-            self.class.base_class.find(:all,
-              :select => "id",
-              :conditions => ["#{quoted_left_column_name} >= ?", left],
-              :lock => true
-            )
+            self.class.base_class.
+              select("id").
+              where("#{quoted_left_column_name} >= ?", left).
+              lock(true).
+              all
 
             if acts_as_nested_set_options[:dependent] == :destroy
               descendants.each do |model|