Reduce string objects by using \ instead of + or << for concatenating strings

(I personally prefer writing one string in one line no matter how long it is, though)

3 files changed, 6 insertions, 6 deletions

diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb
index b624154def..8458253ff8 100644
--- a/activerecord/lib/active_record/associations/has_one_association.rb
+++ b/activerecord/lib/active_record/associations/has_one_association.rb
@@ -85,7 +85,7 @@ module ActiveRecord
 
             if target.persisted? && owner.persisted? && !target.save
               set_owner_attributes(target)
-              raise RecordNotSaved, "Failed to remove the existing associated #{reflection.name}. " +
+              raise RecordNotSaved, "Failed to remove the existing associated #{reflection.name}. " \
                                     "The record failed to save after its foreign key was set to nil."
             end
           end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 4046b3829d..cf2269bf12 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -176,7 +176,7 @@ module ActiveRecord
           if @owner == Thread.current
             msg << "it is already leased by the current thread."
           else
-            msg << "it is already in use by a different thread: #{@owner}. " <<
+            msg << "it is already in use by a different thread: #{@owner}. " \
                    "Current thread: #{Thread.current}."
           end
           raise ActiveRecordError, msg
@@ -194,8 +194,8 @@ module ActiveRecord
       def expire
         if in_use?
           if @owner != Thread.current
-            raise ActiveRecordError, "Cannot expire connection, " <<
-              "it is owned by a different thread: #{@owner}. " <<
+            raise ActiveRecordError, "Cannot expire connection, " \
+              "it is owned by a different thread: #{@owner}. " \
               "Current thread: #{Thread.current}."
           end
 
diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb
index bdb5184599..82604a915f 100644
--- a/activerecord/lib/active_record/tasks/database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/database_tasks.rb
@@ -267,8 +267,8 @@ module ActiveRecord
         if seed_loader
           seed_loader.load_seed
         else
-          raise "You tried to load seed data, but no seed loader is specified. Please specify seed " +
-                "loader with ActiveRecord::Tasks::DatabaseTasks.seed_loader = your_seed_loader\n" +
+          raise "You tried to load seed data, but no seed loader is specified. Please specify seed " \
+                "loader with ActiveRecord::Tasks::DatabaseTasks.seed_loader = your_seed_loader\n" \
                 "Seed loader should respond to load_seed method"
         end
       end