Resolved gh-410 to allow default data type values for the database to be set per fieldtype.

admin/layouts/field/database_left.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * @package    Joomla.Component.Builder
+ *
+ * @created    30th April, 2015
+ * @author     Llewellyn van der Merwe <http://www.joomlacomponentbuilder.com>
+ * @github     Joomla Component Builder <https://github.com/vdm-io/Joomla-Component-Builder>
+ * @copyright  Copyright (C) 2015 - 2019 Vast Development Method. All rights reserved.
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+// No direct access to this file
+defined('_JEXEC') or die('Restricted access');
+
+$form = $displayData->getForm();
+
+$fields = $displayData->get('fields') ?: array(
+	'datatype',
+	'datalenght',
+	'datalenght_other',
+	'datadefault',
+	'datadefault_other'
+);
+
+$hiddenFields = $displayData->get('hidden_fields') ?: array();
+
+?>
+<?php foreach($fields as $field): ?>
+	<?php if (in_array($field, $hiddenFields)) : ?>
+		<?php $form->setFieldAttribute($field, 'type', 'hidden'); ?>
+	<?php endif; ?>
+	<?php echo $form->renderField($field, null, null, array('class' => 'control-wrapper-' . $field)); ?>
+<?php endforeach; ?>