change table name in mysql ddl (#949)

* rename from DatasourceUserMapper to DataSourceUserMapper

* add unit test in UserMapper and WorkerGroupMapper

* change cn.escheduler to org.apache.dolphinscheduler

* add unit test in UdfFuncMapperTest

* add unit test in UdfFuncMapperTest

* remove DatabaseConfiguration

* add ConnectionFactoryTest

* cal duration in processInstancesList

* change desc to description

* change table name in mysql ddl

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/upgrade/DolphinSchedulerManager.java

@@ -82,8 +82,8 @@ public class DolphinSchedulerManager {
             // Gets the version of the current system
             if (upgradeDao.isExistsTable("t_escheduler_version")) {
                 version = upgradeDao.getCurrentVersion("t_escheduler_version");
-            }else if(upgradeDao.isExistsTable("t_dolphinscheduler_version")){
-                version = upgradeDao.getCurrentVersion("t_dolphinscheduler_version");
+            }else if(upgradeDao.isExistsTable("t_ds_version")){
+                version = upgradeDao.getCurrentVersion("t_ds_version");
             }else if(upgradeDao.isExistsColumn("t_escheduler_queue","create_time")){
                 version = "1.0.1";
             }else if(upgradeDao.isExistsTable("t_escheduler_queue")){

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/upgrade/UpgradeDao.java

@@ -37,7 +37,7 @@ public abstract class UpgradeDao extends AbstractBaseDao {
 
     public static final Logger logger = LoggerFactory.getLogger(UpgradeDao.class);
     private static final String T_VERSION_NAME = "t_escheduler_version";
-    private static final String T_NEW_VERSION_NAME = "t_dolphinscheduler_version";
+    private static final String T_NEW_VERSION_NAME = "t_ds_version";
     private static final String rootDir = System.getProperty("user.dir");
     private static final DbType dbType = getCurrentDbType();
 
@@ -336,7 +336,7 @@ public abstract class UpgradeDao extends AbstractBaseDao {
         // Change version in the version table to the new version
         String versionName = T_VERSION_NAME;
         if(!SchemaUtils.isAGreatVersion("1.2.0" , version)){
-            versionName = "t_dolphinscheduler_version";
+            versionName = "t_ds_version";
         }
         String upgradeSQL = String.format("update %s set version = ?",versionName);
         PreparedStatement pstmt = null;