Fixing issues in db fileds

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/common/ApplicationManagementDAOUtil.java

@@ -55,7 +55,7 @@ public class ApplicationManagementDAOUtil {
 
         Platform platform = new Platform();
         platform.setName(rs.getString("APL_NAME"));
-        platform.setCode(rs.getString("APL_CODE"));
+        platform.setCode(rs.getString("APL_IDENTIFIER"));
         application.setPlatform(platform);
 
         Map<String, String> properties = new HashMap<>();

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/GenericAppManagementDAO.java

@@ -73,7 +73,8 @@ public class GenericAppManagementDAO implements ApplicationManagementDAO {
 
             conn = ConnectionManagerUtil.getCurrentConnection().get();
 
-            sql += "SELECT SQL_CALC_FOUND_ROWS APP.*, APL.NAME AS APL_NAME, APL.CODE AS APL_CODE, CAT.NAME AS CAT_NAME ";
+            sql += "SELECT SQL_CALC_FOUND_ROWS APP.*, APL.NAME AS APL_NAME, APL.IDENTIFIER AS APL_IDENTIFIER," +
+                    " CAT.NAME AS CAT_NAME ";
             sql += "FROM APPM_APPLICATION AS APP ";
             sql += "INNER JOIN APPM_PLATFORM_APPLICATION_MAPPING AS APM ON APP.PLATFORM_APPLICATION_MAPPING_ID = APM.ID ";
             sql += "INNER JOIN APPM_PLATFORM AS APL ON APM.PLATFORM_ID = APL.ID ";