Whitespace

48 files changed, 93 insertions, 93 deletions

diff --git a/lib/arel/algebra.rb b/lib/arel/algebra.rb
index f27882a343..c206fea0b0 100644
--- a/lib/arel/algebra.rb
+++ b/lib/arel/algebra.rb
@@ -1,4 +1,4 @@
 require 'arel/algebra/extensions'
 require 'arel/algebra/predicates'
 require 'arel/algebra/relations'
-require 'arel/algebra/primitives'
\ No newline at end of file
+require 'arel/algebra/primitives'
diff --git a/lib/arel/algebra/extensions/array.rb b/lib/arel/algebra/extensions/array.rb
index 935569a07b..48541a395e 100644
--- a/lib/arel/algebra/extensions/array.rb
+++ b/lib/arel/algebra/extensions/array.rb
@@ -2,11 +2,11 @@ class Array
   def to_hash
     Hash[*flatten]
   end
-  
+
   def group_by
     inject({}) do |groups, element|
       (groups[yield(element)] ||= []) << element
       groups
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/extensions/class.rb b/lib/arel/algebra/extensions/class.rb
index f37898e7d7..0a729d8255 100644
--- a/lib/arel/algebra/extensions/class.rb
+++ b/lib/arel/algebra/extensions/class.rb
@@ -3,11 +3,11 @@ class Class
     @attributes = attrs
     attr_reader *attrs
   end
-  
+
   def deriving(*methods)
     methods.each { |m| derive m }
   end
-  
+
   def derive(method_name)
     methods = {
       :initialize => "
@@ -24,14 +24,14 @@ class Class
     }
     class_eval methods[method_name], __FILE__, __LINE__
   end
-  
+
   def hash_on(delegatee)
     define_method :eql? do |other|
       self == other
     end
-    
+
     define_method :hash do
       @hash ||= delegatee.hash
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/extensions/hash.rb b/lib/arel/algebra/extensions/hash.rb
index 7472b5aa73..82cd5e11d3 100644
--- a/lib/arel/algebra/extensions/hash.rb
+++ b/lib/arel/algebra/extensions/hash.rb
@@ -4,4 +4,4 @@ class Hash
       bound.merge(key.bind(relation) => value.bind(relation))
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/extensions/pathname.rb b/lib/arel/algebra/extensions/pathname.rb
index 2f7e2733e7..45f1a5f6b3 100644
--- a/lib/arel/algebra/extensions/pathname.rb
+++ b/lib/arel/algebra/extensions/pathname.rb
@@ -2,4 +2,4 @@ class Pathname
   def /(path)
     (self + path).expand_path
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/extensions/symbol.rb b/lib/arel/algebra/extensions/symbol.rb
index 787867bdc3..8d324a801c 100644
--- a/lib/arel/algebra/extensions/symbol.rb
+++ b/lib/arel/algebra/extensions/symbol.rb
@@ -2,4 +2,4 @@ class Symbol
   def to_attribute(relation)
     Arel::Attribute.new(relation, self)
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/predicates.rb b/lib/arel/algebra/predicates.rb
index 7f093ded6d..72167c2b27 100644
--- a/lib/arel/algebra/predicates.rb
+++ b/lib/arel/algebra/predicates.rb
@@ -38,4 +38,4 @@ module Arel
   class LessThan              < Binary; end
   class Match                 < Binary; end
   class In                    < Binary; end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/primitives/attribute.rb b/lib/arel/algebra/primitives/attribute.rb
index aa1f2ae00c..44a2f41733 100644
--- a/lib/arel/algebra/primitives/attribute.rb
+++ b/lib/arel/algebra/primitives/attribute.rb
@@ -17,7 +17,7 @@ module Arel
     def aggregation?
       false
     end
-    
+
     def inspect
       "<Attribute #{name}>"
     end
@@ -133,16 +133,16 @@ module Arel
       end
     end
     include Expressions
-    
+
     module Orderings
       def asc
         Ascending.new(self)
       end
-      
+
       def desc
         Descending.new(self)
       end
-      
+
       alias_method :to_ordering, :asc
     end
     include Orderings
diff --git a/lib/arel/algebra/primitives/ordering.rb b/lib/arel/algebra/primitives/ordering.rb
index e8d8f97188..a60d794f27 100644
--- a/lib/arel/algebra/primitives/ordering.rb
+++ b/lib/arel/algebra/primitives/ordering.rb
@@ -3,16 +3,16 @@ module Arel
     attributes :attribute
     deriving :initialize, :==
     delegate :relation, :to => :attribute
-    
+
     def bind(relation)
       self.class.new(attribute.bind(relation))
     end
-    
+
     def to_ordering
       self
     end
   end
-  
+
   class Ascending  < Ordering; end
   class Descending < Ordering; end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/relations.rb b/lib/arel/algebra/relations.rb
index 94df5938fe..f9fa24ba25 100644
--- a/lib/arel/algebra/relations.rb
+++ b/lib/arel/algebra/relations.rb
@@ -11,4 +11,4 @@ require 'arel/algebra/relations/operations/order'
 require 'arel/algebra/relations/operations/project'
 require 'arel/algebra/relations/operations/where'
 require 'arel/algebra/relations/operations/skip'
-require 'arel/algebra/relations/operations/take'
\ No newline at end of file
+require 'arel/algebra/relations/operations/take'
diff --git a/lib/arel/algebra/relations/operations/alias.rb b/lib/arel/algebra/relations/operations/alias.rb
index 67837f6a75..0331d98b85 100644
--- a/lib/arel/algebra/relations/operations/alias.rb
+++ b/lib/arel/algebra/relations/operations/alias.rb
@@ -4,4 +4,4 @@ module Arel
     deriving :initialize
     alias_method :==, :equal?
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/relations/operations/group.rb b/lib/arel/algebra/relations/operations/group.rb
index 879f2352c5..b8975ed3d6 100644
--- a/lib/arel/algebra/relations/operations/group.rb
+++ b/lib/arel/algebra/relations/operations/group.rb
@@ -13,4 +13,4 @@ module Arel
       true
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/relations/operations/join.rb b/lib/arel/algebra/relations/operations/join.rb
index 02a8fa629d..e47d9fa9e0 100644
--- a/lib/arel/algebra/relations/operations/join.rb
+++ b/lib/arel/algebra/relations/operations/join.rb
@@ -31,7 +31,7 @@ module Arel
     def join?
       true
     end
-    
+
     def engine
       relation1.engine != relation2.engine ? Memory::Engine.new : relation1.engine
     end
@@ -43,7 +43,7 @@ module Arel
     def attributes
       relation1.externalize.attributes
     end
-    
+
     def engine
       relation1.engine
     end
diff --git a/lib/arel/algebra/relations/operations/order.rb b/lib/arel/algebra/relations/operations/order.rb
index 4e7133f5a8..a589b56997 100644
--- a/lib/arel/algebra/relations/operations/order.rb
+++ b/lib/arel/algebra/relations/operations/order.rb
@@ -2,7 +2,7 @@ module Arel
   class Order < Compound
     attributes :relation, :orderings
     deriving :==
-    
+
     def initialize(relation, *orderings, &block)
       @relation = relation
       @orderings = (orderings + arguments_from_block(relation, &block)) \
@@ -15,4 +15,4 @@ module Arel
       (orderings + relation.orders).collect { |o| o.bind(self) }.collect { |o| o.to_ordering }
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/relations/operations/skip.rb b/lib/arel/algebra/relations/operations/skip.rb
index 930e4c94ea..2dda191c35 100644
--- a/lib/arel/algebra/relations/operations/skip.rb
+++ b/lib/arel/algebra/relations/operations/skip.rb
@@ -2,9 +2,9 @@ module Arel
   class Skip < Compound
     attributes :relation, :skipped
     deriving :initialize, :==
-    
+
     def externalizable?
       true
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/relations/operations/take.rb b/lib/arel/algebra/relations/operations/take.rb
index 2fd3fdf635..eb32ec492e 100644
--- a/lib/arel/algebra/relations/operations/take.rb
+++ b/lib/arel/algebra/relations/operations/take.rb
@@ -2,9 +2,9 @@ module Arel
   class Take < Compound
     attributes :relation, :taken
     deriving :initialize, :==
-    
+
     def externalizable?
       true
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/relations/row.rb b/lib/arel/algebra/relations/row.rb
index e8484944bd..3158557448 100644
--- a/lib/arel/algebra/relations/row.rb
+++ b/lib/arel/algebra/relations/row.rb
@@ -2,11 +2,11 @@ module Arel
   class Row
     attributes :relation, :tuple
     deriving :==, :initialize
-    
+
     def [](attribute)
       attribute.type_cast(tuple[relation.position_of(attribute)])
     end
-    
+
     def slice(*attributes)
       Row.new(relation, attributes.inject([]) do |cheese, attribute|
         # FIXME TESTME method chaining
@@ -14,13 +14,13 @@ module Arel
         cheese
       end)
     end
-    
+
     def bind(relation)
       Row.new(relation, tuple)
     end
-    
+
     def combine(other, relation)
       Row.new(relation, tuple + other.tuple)
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/algebra/relations/utilities/compound.rb b/lib/arel/algebra/relations/utilities/compound.rb
index 99c3d02748..676d80a737 100644
--- a/lib/arel/algebra/relations/utilities/compound.rb
+++ b/lib/arel/algebra/relations/utilities/compound.rb
@@ -13,7 +13,7 @@ module Arel
         end
       OPERATION
     end
-    
+
     private
     def arguments_from_block(relation, &block)
       block_given?? [yield(relation)] : []
diff --git a/lib/arel/algebra/relations/writes.rb b/lib/arel/algebra/relations/writes.rb
index 352f7bc7e5..d344987915 100644
--- a/lib/arel/algebra/relations/writes.rb
+++ b/lib/arel/algebra/relations/writes.rb
@@ -2,7 +2,7 @@ module Arel
   class Deletion < Compound
     attributes :relation
     deriving :initialize, :==
-    
+
     def call
       engine.delete(self)
     end
@@ -15,7 +15,7 @@ module Arel
     def initialize(relation, record)
       @relation, @record = relation, record.bind(relation)
     end
-    
+
     def call
       engine.create(self)
     end
@@ -24,13 +24,13 @@ module Arel
   class Update < Compound
     attributes :relation, :assignments
     deriving :==
-    
+
     def initialize(relation, assignments)
       @relation, @assignments = relation, assignments.bind(relation)
     end
-    
+
     def call
       engine.update(self)
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines.rb b/lib/arel/engines.rb
index 3f854edf90..cd848d83e2 100644
--- a/lib/arel/engines.rb
+++ b/lib/arel/engines.rb
@@ -1,2 +1,2 @@
 require 'arel/engines/sql'
-require 'arel/engines/memory'
\ No newline at end of file
+require 'arel/engines/memory'
diff --git a/lib/arel/engines/memory.rb b/lib/arel/engines/memory.rb
index df6f6f3d48..9e7193ef13 100644
--- a/lib/arel/engines/memory.rb
+++ b/lib/arel/engines/memory.rb
@@ -1,4 +1,4 @@
 require 'arel/engines/memory/relations'
 require 'arel/engines/memory/primitives'
 require 'arel/engines/memory/engine'
-require 'arel/engines/memory/predicates'
\ No newline at end of file
+require 'arel/engines/memory/predicates'
diff --git a/lib/arel/engines/memory/engine.rb b/lib/arel/engines/memory/engine.rb
index c8f79c9d57..c7ac9422d4 100644
--- a/lib/arel/engines/memory/engine.rb
+++ b/lib/arel/engines/memory/engine.rb
@@ -5,7 +5,7 @@ module Arel
         def read(relation)
           relation.eval
         end
-        
+
         def create(relation)
           relation.eval
         end
@@ -13,4 +13,4 @@ module Arel
       include CRUD
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/memory/primitives.rb b/lib/arel/engines/memory/primitives.rb
index f8bbcedb55..935b34f5ee 100644
--- a/lib/arel/engines/memory/primitives.rb
+++ b/lib/arel/engines/memory/primitives.rb
@@ -4,24 +4,24 @@ module Arel
       row[self]
     end
   end
-  
+
   class Value
     def eval(row)
       value
     end
   end
-  
+
   class Ordering
     def eval(row1, row2)
       (attribute.eval(row1) <=> attribute.eval(row2)) * direction
     end
   end
-  
+
   class Descending < Ordering
     def direction; -1 end
   end
-  
+
   class Ascending < Ordering
     def direction; 1 end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/memory/relations/array.rb b/lib/arel/engines/memory/relations/array.rb
index 6e2dc29252..5e7c0a4ab1 100644
--- a/lib/arel/engines/memory/relations/array.rb
+++ b/lib/arel/engines/memory/relations/array.rb
@@ -3,7 +3,7 @@ module Arel
     attributes :array,  :attribute_names
     include Recursion::BaseCase
     deriving :==, :initialize
-    
+
     def engine
       @engine ||= Memory::Engine.new
     end
@@ -17,9 +17,9 @@ module Arel
     def format(attribute, value)
       value
     end
-    
+
     def eval
       @array.collect { |r| Row.new(self, r) }
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/memory/relations/compound.rb b/lib/arel/engines/memory/relations/compound.rb
index 9e7827dfb3..6dda92a6a1 100644
--- a/lib/arel/engines/memory/relations/compound.rb
+++ b/lib/arel/engines/memory/relations/compound.rb
@@ -1,7 +1,7 @@
 module Arel
   class Compound < Relation
     delegate :array, :to => :relation
-    
+
     def unoperated_rows
       relation.call.collect { |row| row.bind(self) }
     end
diff --git a/lib/arel/engines/memory/relations/operations.rb b/lib/arel/engines/memory/relations/operations.rb
index e0fd2824b3..8e01938360 100644
--- a/lib/arel/engines/memory/relations/operations.rb
+++ b/lib/arel/engines/memory/relations/operations.rb
@@ -4,7 +4,7 @@ module Arel
       unoperated_rows.select { |row| predicate.eval(row) }
     end
   end
-  
+
   class Order < Compound
     def eval
       unoperated_rows.sort do |row1, row2|
@@ -13,37 +13,37 @@ module Arel
       end
     end
   end
-  
+
   class Project < Compound
     def eval
       unoperated_rows.collect { |r| r.slice(*projections) }
     end
   end
-  
+
   class Take < Compound
     def eval
       unoperated_rows[0, taken]
     end
   end
-  
+
   class Skip < Compound
     def eval
       unoperated_rows[skipped..-1]
     end
   end
-  
+
   class Group < Compound
     def eval
       raise NotImplementedError
     end
   end
-  
+
   class Alias < Compound
     def eval
       unoperated_rows
     end
   end
-  
+
   class Join < Relation
     def eval
       result = []
@@ -58,4 +58,4 @@ module Arel
       result
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/memory/relations/writes.rb b/lib/arel/engines/memory/relations/writes.rb
index fa8b84a32c..12c4f36c0d 100644
--- a/lib/arel/engines/memory/relations/writes.rb
+++ b/lib/arel/engines/memory/relations/writes.rb
@@ -1,7 +1,7 @@
 module Arel
   class Insert < Compound
     def eval
-      unoperated_rows + [Row.new(self, record.values.collect(&:value))]  
+      unoperated_rows + [Row.new(self, record.values.collect(&:value))]
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql.rb b/lib/arel/engines/sql.rb
index aed1fd861e..f31cfc7dac 100644
--- a/lib/arel/engines/sql.rb
+++ b/lib/arel/engines/sql.rb
@@ -4,4 +4,4 @@ require 'arel/engines/sql/primitives'
 require 'arel/engines/sql/predicates'
 require 'arel/engines/sql/formatters'
 require 'arel/engines/sql/extensions'
-require 'arel/engines/sql/christener'
\ No newline at end of file
+require 'arel/engines/sql/christener'
diff --git a/lib/arel/engines/sql/christener.rb b/lib/arel/engines/sql/christener.rb
index 5883a75f41..c1c9325208 100644
--- a/lib/arel/engines/sql/christener.rb
+++ b/lib/arel/engines/sql/christener.rb
@@ -10,4 +10,4 @@ module Arel
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/engine.rb b/lib/arel/engines/sql/engine.rb
index d27d93a5dc..5a8c9f16c5 100644
--- a/lib/arel/engines/sql/engine.rb
+++ b/lib/arel/engines/sql/engine.rb
@@ -21,11 +21,11 @@ module Arel
         def read(relation)
           # FIXME
           rows = connection.select_rows(relation.to_sql)
-          
+
           class << rows
             include Enumerable
           end
-          
+
           Array.new(rows, relation.attributes)
         end
 
@@ -40,4 +40,4 @@ module Arel
       include CRUD
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/extensions.rb b/lib/arel/engines/sql/extensions.rb
index 6f4ad32148..1ea31bc140 100644
--- a/lib/arel/engines/sql/extensions.rb
+++ b/lib/arel/engines/sql/extensions.rb
@@ -1,4 +1,4 @@
 require 'arel/engines/sql/extensions/object'
 require 'arel/engines/sql/extensions/array'
 require 'arel/engines/sql/extensions/range'
-require 'arel/engines/sql/extensions/nil_class'
\ No newline at end of file
+require 'arel/engines/sql/extensions/nil_class'
diff --git a/lib/arel/engines/sql/extensions/array.rb b/lib/arel/engines/sql/extensions/array.rb
index 1daa5abca7..d97dd1aa25 100644
--- a/lib/arel/engines/sql/extensions/array.rb
+++ b/lib/arel/engines/sql/extensions/array.rb
@@ -6,4 +6,4 @@ class Array
   def inclusion_predicate_sql
     "IN"
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/extensions/nil_class.rb b/lib/arel/engines/sql/extensions/nil_class.rb
index 729c4cada7..6f38ecdf3a 100644
--- a/lib/arel/engines/sql/extensions/nil_class.rb
+++ b/lib/arel/engines/sql/extensions/nil_class.rb
@@ -2,4 +2,4 @@ class NilClass
   def equality_predicate_sql
     'IS'
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/extensions/object.rb b/lib/arel/engines/sql/extensions/object.rb
index ef990eee2f..65270ee3de 100644
--- a/lib/arel/engines/sql/extensions/object.rb
+++ b/lib/arel/engines/sql/extensions/object.rb
@@ -6,4 +6,4 @@ class Object
   def equality_predicate_sql
     '='
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/extensions/range.rb b/lib/arel/engines/sql/extensions/range.rb
index d7329efe34..946dbc2633 100644
--- a/lib/arel/engines/sql/extensions/range.rb
+++ b/lib/arel/engines/sql/extensions/range.rb
@@ -2,8 +2,8 @@ class Range
   def to_sql(formatter = nil)
     formatter.range self.begin, self.end
   end
-  
+
   def inclusion_predicate_sql
     "BETWEEN"
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/formatters.rb b/lib/arel/engines/sql/formatters.rb
index bc5f0f7c64..08a32843c9 100644
--- a/lib/arel/engines/sql/formatters.rb
+++ b/lib/arel/engines/sql/formatters.rb
@@ -47,7 +47,7 @@ module Arel
     class WhereClause < PassThrough
     end
 
-    class OrderClause < PassThrough      
+    class OrderClause < PassThrough
       def ordering(ordering)
         "#{quote_table_name(name_for(ordering.attribute.original_relation))}.#{quote_column_name(ordering.attribute.name)} #{ordering.direction_sql}"
       end
diff --git a/lib/arel/engines/sql/predicates.rb b/lib/arel/engines/sql/predicates.rb
index dfeddb2de1..7e195c2605 100644
--- a/lib/arel/engines/sql/predicates.rb
+++ b/lib/arel/engines/sql/predicates.rb
@@ -34,4 +34,4 @@ module Arel
   class In < Binary
     def predicate_sql; operand2.inclusion_predicate_sql end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/primitives.rb b/lib/arel/engines/sql/primitives.rb
index 22ee19dcf0..f2e8e8dabe 100644
--- a/lib/arel/engines/sql/primitives.rb
+++ b/lib/arel/engines/sql/primitives.rb
@@ -7,7 +7,7 @@ module Arel
     def type_cast(value)
       root.relation.format(self, value)
     end
-        
+
     def format(object)
       object.to_sql(Sql::Attribute.new(self))
     end
@@ -28,17 +28,17 @@ module Arel
       object.to_sql(Sql::Value.new(relation))
     end
   end
-  
+
   class Ordering
     def to_sql(formatter = Sql::OrderClause.new(relation))
       formatter.ordering self
     end
   end
-  
+
   class Ascending < Ordering
     def direction_sql; 'ASC' end
   end
-  
+
   class Descending < Ordering
     def direction_sql; 'DESC' end
   end
@@ -72,4 +72,4 @@ module Arel
   class Average < Expression
     def function_sql; 'AVG' end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/relations.rb b/lib/arel/engines/sql/relations.rb
index 0eb1303ec9..8360a1f806 100644
--- a/lib/arel/engines/sql/relations.rb
+++ b/lib/arel/engines/sql/relations.rb
@@ -6,4 +6,4 @@ require 'arel/engines/sql/relations/relation'
 require 'arel/engines/sql/relations/table'
 require 'arel/engines/sql/relations/operations/join'
 require 'arel/engines/sql/relations/operations/alias'
-require 'arel/engines/sql/relations/writes'
\ No newline at end of file
+require 'arel/engines/sql/relations/writes'
diff --git a/lib/arel/engines/sql/relations/operations/alias.rb b/lib/arel/engines/sql/relations/operations/alias.rb
index 32c9911a69..9b6a484463 100644
--- a/lib/arel/engines/sql/relations/operations/alias.rb
+++ b/lib/arel/engines/sql/relations/operations/alias.rb
@@ -2,4 +2,4 @@ module Arel
   class Alias < Compound
     include Recursion::BaseCase
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/relations/operations/join.rb b/lib/arel/engines/sql/relations/operations/join.rb
index f848fd3268..7c5e13510a 100644
--- a/lib/arel/engines/sql/relations/operations/join.rb
+++ b/lib/arel/engines/sql/relations/operations/join.rb
@@ -30,4 +30,4 @@ module Arel
       relation2
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/relations/relation.rb b/lib/arel/engines/sql/relations/relation.rb
index 5fd4121176..93c146352c 100644
--- a/lib/arel/engines/sql/relations/relation.rb
+++ b/lib/arel/engines/sql/relations/relation.rb
@@ -25,4 +25,4 @@ module Arel
       @christener ||= Sql::Christener.new
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/relations/table.rb b/lib/arel/engines/sql/relations/table.rb
index e842f85ed1..0b6574eedc 100644
--- a/lib/arel/engines/sql/relations/table.rb
+++ b/lib/arel/engines/sql/relations/table.rb
@@ -19,7 +19,7 @@ module Arel
     def format(attribute, value)
       attribute.column.type_cast(value)
     end
-    
+
     def column_for(attribute)
       has_attribute?(attribute) and columns.detect { |c| c.name == attribute.name.to_s }
     end
diff --git a/lib/arel/engines/sql/relations/utilities/compound.rb b/lib/arel/engines/sql/relations/utilities/compound.rb
index 61df196d6e..b63a829c67 100644
--- a/lib/arel/engines/sql/relations/utilities/compound.rb
+++ b/lib/arel/engines/sql/relations/utilities/compound.rb
@@ -3,4 +3,4 @@ module Arel
     delegate :table, :table_sql, :to => :relation
   end
 end
-    
\ No newline at end of file
+
diff --git a/lib/arel/engines/sql/relations/utilities/externalization.rb b/lib/arel/engines/sql/relations/utilities/externalization.rb
index 1ac6f2de8e..7f937e8423 100644
--- a/lib/arel/engines/sql/relations/utilities/externalization.rb
+++ b/lib/arel/engines/sql/relations/utilities/externalization.rb
@@ -11,4 +11,4 @@ module Arel
       relation.name + '_external'
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/relations/utilities/nil.rb b/lib/arel/engines/sql/relations/utilities/nil.rb
index 77534b25ad..519ea8acf1 100644
--- a/lib/arel/engines/sql/relations/utilities/nil.rb
+++ b/lib/arel/engines/sql/relations/utilities/nil.rb
@@ -3,4 +3,4 @@ module Arel
     def table_sql(formatter = nil); '' end
     def name; '' end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/relations/utilities/recursion.rb b/lib/arel/engines/sql/relations/utilities/recursion.rb
index 848b059507..84a526f57c 100644
--- a/lib/arel/engines/sql/relations/utilities/recursion.rb
+++ b/lib/arel/engines/sql/relations/utilities/recursion.rb
@@ -10,4 +10,4 @@ module Arel
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/arel/engines/sql/relations/writes.rb b/lib/arel/engines/sql/relations/writes.rb
index edfd9f7233..4d753f5fca 100644
--- a/lib/arel/engines/sql/relations/writes.rb
+++ b/lib/arel/engines/sql/relations/writes.rb
@@ -33,4 +33,4 @@ module Arel
       ].join("\n")
     end
   end
-end
\ No newline at end of file
+end