Index: branches/unlabeled/unlabeled-1.65.2/core/kernel/utility/unit_config_reader.php
===================================================================
diff -u -r7660 -r7816
--- branches/unlabeled/unlabeled-1.65.2/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 7660)
+++ branches/unlabeled/unlabeled-1.65.2/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 7816)
@@ -356,26 +356,46 @@
 			$tablename = $config['TableName'];
 
 			$conn =& $this->Application->GetADODBConnection();
+			
+			$table_found = $conn->Query('SHOW TABLES LIKE "'.$tablename.'"');
+			if (!$table_found) {
+				// config present, but table missing, strange
+				$debugger->appendHTML("<b class='debug_error'>Config Warning: </b>Table <strong>$tablename</strong> missing, but prefix <b>".$config['Prefix']."</b> requires it!");
+				safeDefine('DBG_RAISE_ON_WARNINGS', 1);
+				return ;
+			}
+			
 			$res = $conn->Query("DESCRIBE $tablename");
 
 			foreach ($res as $field) {
 				$f_name = $field['Field'];
 				if (getArrayValue($config, 'Fields')) {
-					if ( !array_key_exists ($f_name, $config['Fields']) ) {
-						$debugger->appendHTML("<b class='debug_error'>Config Warning: </b>Field $f_name exists in the database, but is not defined in config file for prefix <b>".$config['Prefix']."</b>!");
+					if (!array_key_exists ($f_name, $config['Fields'])) {
+						$debugger->appendHTML("<b class='debug_error'>Config Warning: </b>Field <strong>$f_name</strong> exists in the database, but is not defined in config file for prefix <b>".$config['Prefix']."</b> !");
 						safeDefine('DBG_RAISE_ON_WARNINGS', 1);
 					}
 					else {
 						$options = $config['Fields'][$f_name];
-						if ($field['Null'] == '') {
+						if ($field['Null'] != 'YES') {
+							// MySQL5 for null returns "NO", but MySQL4 returns ""
 							if ( $f_name != $config['IDField'] && !isset($options['not_null']) && !isset($options['required']) ) {
-								$debugger->appendHTML("<b class='debug_error'>Config Error: </b>Field $f_name in config for prefix <b>".$config['Prefix']."</b> is NOT NULL in the database, but is not configured as not_null or required!");
+								$debugger->appendHTML("<b class='debug_error'>Config Error: </b>Field <strong>$f_name</strong> in config for prefix <b>".$config['Prefix']."</b> is NOT NULL in the database, but is not configured as not_null or required !");
 								safeDefine('DBG_RAISE_ON_WARNINGS', 1);
 							}
 							if ( isset($options['not_null']) && !isset($options['default']) ) {
-								$debugger->appendHTML("<b class='debug_error'>Config Error: </b>Field $f_name in config for prefix <b>".$config['Prefix']."</b> is described as NOT NULL, but does not have DEFAULT value!");
+								$debugger->appendHTML("<b class='debug_error'>Config Error: </b>Field <strong>$f_name</strong> in config for prefix <b>".$config['Prefix']."</b> is described as NOT NULL, but does not have DEFAULT value !");
 								safeDefine('DBG_RAISE_ON_WARNINGS', 1);
 							}
+							
+							if (!isset($options['default'])) {
+								$debugger->appendHTML("<b class='debug_error'>Config Error: </b>Default value for field <strong>$f_name</strong> in config for prefix <b>".$config['Prefix']."</b> not set !");
+								safeDefine('DBG_RAISE_ON_WARNINGS', 1);
+							}
+							else if ($options['default'] != '#NOW#' && $field['Default'] !== (string)$options['default']) {
+								$debugger->appendHTML("<b class='debug_error'>Config Error: </b>Default value for field <strong>$f_name</strong> (".$options['default'].") in config for prefix <b>".$config['Prefix']."</b> differs from default value from field in database (".$field['Default'].") !");
+								$debugger->dumpVars($field['Default'], $options['default'], 'STRICT');
+								safeDefine('DBG_RAISE_ON_WARNINGS', 1);
+							}
 						}
 
 					}