Add db nullable description

db/fixes/15_07_07.sql

 ALTER TABLE `requests` ADD HasImage BOOLEAN NOT NULL DEFAULT FALSE;
+ALTER TABLE `requests` MODIFY `Description` text CHARACTER SET utf8 NULL DEFAULT NULL;

db/stored/functions.sql

@@ -2247,8 +2247,8 @@ BEGIN
             requests.Title = pTitle,
             requests.Date = NOW()
         WHERE   requests.ID = pRequestID AND
-                requests.Description = '' AND
-                requests.Title = ''
+                requests.Description IS NULL AND
+                requests.Title IS NULL
         LIMIT 1;
     RETURN ROW_COUNT()-1;
 END//

db/structure/base.sql

@@ -233,7 +233,7 @@ CREATE TABLE IF NOT EXISTS `requests` (
   `ID` int(11) NOT NULL AUTO_INCREMENT,
   `AccountID` int(11) DEFAULT NULL,
   `Title` varchar(50) CHARACTER SET utf8 NULL DEFAULT NULL,
-  `Description` text CHARACTER SET utf8 NOT NULL,
+  `Description` text CHARACTER SET utf8 NULL DEFAULT NULL,
   `Date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
   `Status` enum('opened','processed','closed') NOT NULL DEFAULT 'opened',
   `HasImage` BOOLEAN NOT NULL DEFAULT FALSE,

~dev_rating/application/classes/Controller/Handler/RequestsProcessing.php

@@ -117,7 +117,7 @@ class Controller_Handler_RequestsProcessing extends Controller_Handler
 
     /** return int  number of created ticket */
     private function sendEmptyRequestWithImg($accountID) {
-        return Model_Support::createRequest($accountID, '', '', true);
+        return Model_Support::createRequest($accountID, NULL, NULL, true);
     }
 
     /** return int  number status code */