1 files changed, 10 insertions, 10 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb b/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb
index fbab654112..9d11ad28d4 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb
@@ -2,14 +2,14 @@ module ActiveRecord
   module ConnectionAdapters
     module MySQL
       module Quoting # :nodoc:
-        QUOTED_TRUE, QUOTED_FALSE = '1', '0'
+        QUOTED_TRUE, QUOTED_FALSE = "1".freeze, "0".freeze
 
         def quote_column_name(name)
-          @quoted_column_names[name] ||= "`#{super.gsub('`', '``')}`"
+          @quoted_column_names[name] ||= "`#{super.gsub('`', '``')}`".freeze
         end
 
         def quote_table_name(name)
-          @quoted_table_names[name] ||= super.gsub('.', '`.`')
+          @quoted_table_names[name] ||= super.gsub(".", "`.`").freeze
         end
 
         def quoted_true
@@ -32,19 +32,19 @@ module ActiveRecord
           if supports_datetime_with_precision?
             super
           else
-            super.sub(/\.\d{6}\z/, '')
+            super.sub(/\.\d{6}\z/, "")
           end
         end
 
         private
 
-        def _quote(value)
-          if value.is_a?(Type::Binary::Data)
-            "x'#{value.hex}'"
-          else
-            super
+          def _quote(value)
+            if value.is_a?(Type::Binary::Data)
+              "x'#{value.hex}'"
+            else
+              super
+            end
           end
-        end
       end
     end
   end