Mysql Quoting patch

patch_2.diff

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index 552a22d..6ffd4ba 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -61,7 +61,7 @@ module ActiveRecord
           if column && column.type == :integer
             value ? 1 : 0
           else
-            value ? 't' : 'f'
+            value ? true_value : false_value
           end
           # BigDecimals need to be put in a non-normalized form and quoted.
         when nil        then nil
@@ -103,6 +103,14 @@ module ActiveRecord
         quote_table_name("#{table}.#{attr}")
       end
 
+      def true_value
+        "t"
+      end
+
+      def false_value
+        "f"
+      end
+
       def quoted_true
         "'t'"
       end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index ee6ca4f..dba9778 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -206,12 +206,6 @@ module ActiveRecord
         true
       end
 
-      def type_cast(value, column)
-        return super unless value == true || value == false
-
-        value ? 1 : 0
-      end
-
       # MySQL 4 technically support transaction isolation, but it is affected by a bug
       # where the transaction level gets persisted for the whole session:
       #
@@ -268,6 +262,14 @@ module ActiveRecord
         @quoted_table_names[name] ||= quote_column_name(name).gsub('.', '`.`')
       end
 
+      def true_value
+        1
+      end
+
+      def false_value
+        0
+      end
+
       def quoted_true
         QUOTED_TRUE
       end