diff --git a/activerecord/lib/active_record/schema.rb b/activerecord/lib/active_record/schema.rb
index e2783087eceab230062334855a923a0f7bfba8bb..c1bc3214ea20b9f001d2c0425c918a6d3f60f516 100644
--- a/activerecord/lib/active_record/schema.rb
+++ b/activerecord/lib/active_record/schema.rb
@@ -2,7 +2,7 @@
 
 module ActiveRecord
   # = Active Record Schema
-  # 
+  #
   # Allows programmers to programmatically define a schema in a portable
   # DSL. This means you can define tables, indexes, etc. without using SQL
   # directly, so your applications can more easily support multiple
diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb
index a4757773d866667ba1e992bf7030511cb32ddaa0..e9af20e1b63eff357e233a434422c2af7d7f9e6c 100644
--- a/activerecord/lib/active_record/schema_dumper.rb
+++ b/activerecord/lib/active_record/schema_dumper.rb
@@ -8,13 +8,13 @@ module ActiveRecord
   # output format (i.e., ActiveRecord::Schema).
   class SchemaDumper #:nodoc:
     private_class_method :new
-    
+
     ##
     # :singleton-method:
-    # A list of tables which should not be dumped to the schema. 
+    # A list of tables which should not be dumped to the schema.
     # Acceptable values are strings as well as regexp.
     # This setting is only used if ActiveRecord::Base.schema_format == :ruby
-    cattr_accessor :ignore_tables 
+    cattr_accessor :ignore_tables
     @@ignore_tables = []
 
     def self.dump(connection=ActiveRecord::Base.connection, stream=STDOUT)
@@ -71,7 +71,7 @@ def tables(stream)
             else
               raise StandardError, 'ActiveRecord::SchemaDumper.ignore_tables accepts an array of String and / or Regexp values.'
             end
-          end 
+          end
           table(tbl, stream)
         end
       end
@@ -87,7 +87,7 @@ def table(table, stream)
           elsif @connection.respond_to?(:primary_key)
             pk = @connection.primary_key(table)
           end
-          
+
           tbl.print "  create_table #{table.inspect}"
           if columns.detect { |c| c.name == pk }
             if pk != 'id'
@@ -105,7 +105,7 @@ def table(table, stream)
             next if column.name == pk
             spec = {}
             spec[:name]      = column.name.inspect
-            
+
             # AR has an optimisation which handles zero-scale decimals as integers.  This
             # code ensures that the dumper still dumps the column as a decimal.
             spec[:type]      = if column.type == :integer && [/^numeric/, /^decimal/].any? { |e| e.match(column.sql_type) }
@@ -148,7 +148,7 @@ def table(table, stream)
 
           tbl.puts "  end"
           tbl.puts
-          
+
           indexes(table, tbl)
 
           tbl.rewind
@@ -158,7 +158,7 @@ def table(table, stream)
           stream.puts "#   #{e.message}"
           stream.puts
         end
-        
+
         stream
       end
 
@@ -172,7 +172,7 @@ def default_string(value)
           value.inspect
         end
       end
-      
+
       def indexes(table, stream)
         if (indexes = @connection.indexes(table)).any?
           add_index_statements = indexes.map do |index|