Magento Varien DB package column types

The list of the TYPE_NAME in the Varien_Db_Ddl_Table::TYPE_NAME

Example:

$table = $installer->getConnection()
->newTable($installer->getTable('my_test'))
->addColumn('id', Varien_Db_Ddl_Table::TYPE_INTEGER, null, array(
'identity' => true,
'unsigned' => true,
'nullable' => false,
'primary' => true,
))