ruanwenjun commented on a change in pull request #5809:
URL: https://github.com/apache/dolphinscheduler/pull/5809#discussion_r669533947



##########
File path: 
dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/datax/DataxTask.java
##########
@@ -554,7 +554,7 @@ public String loadJvmEnv(DataxParameters dataXParameters) {
         sql = sql.replace(";", "");
 
         try (
-                Connection connection = 
DatasourceUtil.getConnection(DbType.valueOf(dataXParameters.getDtType()), 
baseDataSource);
+                Connection connection = 
DatasourceUtil.getConnection(DbType.valueOf(dataXParameters.getDsType()), 
baseDataSource);

Review comment:
       Can we modify the method 
   ```java
   public String[] tryExecuteSqlResolveColumnNames(BaseConnectionParam 
baseDataSource, String sql)
   ``` 
   to 
   ```java
   public String[] tryExecuteSqlResolveColumnNames(DbType dbType, 
BaseConnectionParam baseDataSource, String sql)
   ```
   Using `dataXParameters.getDsType()` here seems also confusing.




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