Adding truncate_table to ActiveRecord::ConnectionAdapters::AbstractAd…

…apter and using "DELETE FROM". Overriding truncate_table in the MysqlAdapter to use "TRUNCATE TABLE" instead.

I HAVE NOT TESTED THIS ON ANYTHING BUT MYSQL YET.

init.rb

@@ -1 +1 @@
-require File.dirname(__FILE__) + '/lib/bootstrapper.rb'
+Dir.glob(File.dirname(__FILE__) + '/lib/**/*.rb').each {|f| require f }

lib/bootstrapper.rb

@@ -14,7 +14,7 @@ def self.run(key)
 
   def self.truncate_tables(*tables)
     tables.each do |table|
-      sql("delete from #{table}")
+      ActiveRecord::Base.connection.truncate_table(table)
     end
   end
 

lib/connection_adapters/abstract_adapter.rb

@@ -0,0 +1,15 @@
+module ActiveRecord
+
+  module ConnectionAdapters
+
+    class AbstractAdapter
+
+      def truncate_table(table_name)
+        execute "DELETE FROM #{table_name}"
+      end
+
+    end
+
+  end
+
+end

lib/connection_adapters/mysql_adapter.rb

@@ -0,0 +1,15 @@
+module ActiveRecord
+
+  module ConnectionAdapters
+
+    class MysqlAdapter
+
+      def truncate_table(table_name)
+        execute "TRUNCATE TABLE #{table_name}"
+      end
+
+    end
+
+  end
+
+end