change

tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java

@@ -35,10 +35,10 @@ public class TaosDemoApplication {
             System.exit(0);
         }
 
-        DataSource dataSource = DataSourceFactory.getInstance(config.host, config.port, config.user, config.password);
-        DatabaseService databaseService = new DatabaseService(dataSource);
-        SuperTableService superTableService = new SuperTableService(dataSource);
-        SubTableService subTableService = new SubTableService(dataSource);
+        final DataSource dataSource = DataSourceFactory.getInstance(config.host, config.port, config.user, config.password);
+        final DatabaseService databaseService = new DatabaseService(dataSource);
+        final SuperTableService superTableService = new SuperTableService(dataSource);
+        final SubTableService subTableService = new SubTableService(dataSource);
 
         // 创建数据库
         long start = System.currentTimeMillis();
@@ -85,7 +85,7 @@ public class TaosDemoApplication {
         start = System.currentTimeMillis();
         if (config.doCreateTable) {
             superTableService.create(superTableMeta);
-            if (!config.autoCreateTable){
+            if (!config.autoCreateTable) {
                 // 批量建子表
                 subTableService.createSubTable(superTableMeta, config.numOfTables, config.prefixOfTable, config.numOfThreadsForCreate);
             }

tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/utils/SqlSpeller.java

@@ -48,7 +48,7 @@ public class SqlSpeller {
         sb.append("create table if not exists ").append(subTableMeta.getDatabase()).append(".").append(subTableMeta.getName()).append(" ");
         sb.append("using ").append(subTableMeta.getDatabase()).append(".").append(subTableMeta.getSupertable()).append(" ");
         String tagStr = subTableMeta.getTags().stream().filter(Objects::nonNull)
-                .map(tagValue -> tagValue.getName() + " " + tagValue.getValue() + " ")
+                .map(tagValue -> tagValue.getName() + " '" + tagValue.getValue() + "' ")
                 .collect(Collectors.joining(",", "(", ")"));
         sb.append("tags ").append(tagStr);
         return sb.toString();