为提高效率，提问时请提供以下信息，问题描述清晰可优先响应。
- 【TiDB 版本】：DM2.0.0
- 【问题描述】：
task中的报错：
“id”: 6,
“name”: “table structure compatibility check”,
“desc”: “check compatibility of table structure”,
“state”: “fail”,
-------- warning options ----------\
information: Foreign Key pub_holiday_date_ibfk_1 is parsed but ignored by TiDB.\
instruction: please ref document: https://github.com/pingcap/docs-cn/blob/master/sql/ddl.md\
worker中的报错：
[2020/11/24 09:47:14.694 +08:00] [ERROR] [common.go:35] [“parse statement”] [sql="SAVEPOINT 4454c604-d588-4a64-8907-eff8c484124a-savepoint-1"] [error="line 1 column 9 near "SAVEPOINT 4454c604-d588-4a64-8907-eff8c484124a-savepoint-1" "]
[2020/11/24 09:47:14.722 +08:00] [ERROR] [common.go:35] [“parse statement”] [sql="SAVEPOINT b2495e95-be26-4223-8ca1-9845c5b6bee8-savepoint-1"] [error="line 1 column 9 near "SAVEPOINT b2495e95-be26-4223-8ca1-9845c5b6bee8-savepoint-1" "]
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