update create and upgrade function

escheduler-dao/src/main/java/cn/escheduler/dao/upgrade/EschedulerManager.java

@@ -30,12 +30,17 @@ public class EschedulerManager {
     UpgradeDao upgradeDao = UpgradeDao.getInstance();
 
     public void initEscheduler() {
+        // Determines whether the escheduler table structure has been init
+        if(upgradeDao.isExistsTable("t_escheduler_version") || upgradeDao.isExistsTable("t_escheduler_queue")) {
+            logger.info("The database has been initialized. Skip the initialization step");
+            return;
+        }
         this.initEschedulerSchema();
     }
 
     public void initEschedulerSchema() {
 
-        logger.info("Start initializing the ark manager mysql table structure");
+        logger.info("Start initializing the escheduler manager mysql table structure");
         upgradeDao.initEschedulerSchema();
     }
 
@@ -52,15 +57,20 @@ public class EschedulerManager {
         }else {
 
             String version = "";
+            // Gets the version of the current system
+            if (upgradeDao.isExistsTable("t_escheduler_version")) {
+                version = upgradeDao.getCurrentVersion();
+            }else if(upgradeDao.isExistsColumn("t_escheduler_queue","create_time")){
+                version = "1.0.1";
+            }else if(upgradeDao.isExistsTable("t_escheduler_queue")){
+                version = "1.0.0";
+            }else{
+                logger.error("Unable to determine current software version, so cannot upgrade");
+            }
             // The target version of the upgrade
             String schemaVersion = "";
             for(String schemaDir : schemaList) {
-                // Gets the version of the current system
-                if (upgradeDao.isExistsTable("t_escheduler_version")) {
-                    version = upgradeDao.getCurrentVersion();
-                }else {
-                    version = "1.0.0";
-                }
+
 
                 schemaVersion = schemaDir.split("_")[0];
                 if(SchemaUtils.isAGreatVersion(schemaVersion , version)) {
@@ -70,7 +80,11 @@ public class EschedulerManager {
 
                     logger.info("Begin upgrading escheduler's mysql table structure");
                     upgradeDao.upgradeEscheduler(schemaDir);
-
+                    if(SchemaUtils.isAGreatVersion(version,"1.0.1")){
+                        version = upgradeDao.getCurrentVersion();
+                    }else {
+                        version = schemaVersion;
+                    }
                 }
 
             }

escheduler-dao/src/main/java/cn/escheduler/dao/upgrade/UpgradeDao.java

@@ -122,7 +122,11 @@ public class UpgradeDao extends AbstractBaseDao {
 
     }
 
-
+    /**
+     * Determines whether a table exists
+     * @param tableName
+     * @return
+     */
     public boolean isExistsTable(String tableName) {
         Connection conn = null;
         try {
@@ -144,6 +148,33 @@ public class UpgradeDao extends AbstractBaseDao {
 
     }
 
+    /**
+     * Determines whether a field exists in the specified table
+     * @param tableName
+     * @param columnName
+     * @return
+     */
+    public boolean isExistsColumn(String tableName,String columnName) {
+        Connection conn = null;
+        try {
+            conn = ConnectionFactory.getDataSource().getConnection();
+            ResultSet rs = conn.getMetaData().getColumns(null,null,tableName,columnName);
+            if (rs.next()) {
+                return true;
+            } else {
+                return false;
+            }
+
+        } catch (SQLException e) {
+            logger.error(e.getMessage(),e);
+            throw new RuntimeException(e.getMessage(),e);
+        } finally {
+            MysqlUtil.realeaseResource(null, null, conn);
+
+        }
+
+    }
+
 
     public String getCurrentVersion() {
         String sql = String.format("select version from %s",T_VERSION_NAME);

escheduler-dao/src/main/java/cn/escheduler/dao/upgrade/shell/CreateEscheduler.java

@@ -29,7 +29,6 @@ public class CreateEscheduler {
 	private static final Logger logger = LoggerFactory.getLogger(CreateEscheduler.class);
 
 	public static void main(String[] args) {
-		Thread.currentThread().setName("manager-CreateEscheduler");
 		EschedulerManager eschedulerManager = new EschedulerManager();
 		eschedulerManager.initEscheduler();
 		logger.info("init escheduler finished");

sql/upgrade/1.0.2_schema/mysql/escheduler_dml.sql

-INSERT INTO `t_escheduler_version` (`version`) VALUES ('1.0.0');
\ No newline at end of file
+INSERT INTO `t_escheduler_version` (`version`) VALUES ('1.0.2');
\ No newline at end of file