zhuangchong opened a new issue #5904:
URL: https://github.com/apache/dolphinscheduler/issues/5904
**Describe the bug**
```
IF NOT EXISTS (SELECT 1 FROM information_schema.COLUMNS
WHERE TABLE_NAME='t_ds_datasource'
AND TABLE_SCHEMA=(SELECT DATABASE())
AND COLUMN_NAME ='t_ds_datasource_name_UN')
```
Create index type statement error
**Which version of Dolphin Scheduler:**
-[dev]
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