br: Incremental restore failed to execute DDL which contains tableAttributes in the cluster v5.0

[joccau]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. Make full backup in the cluster of v5.3.0-alpha TiKV with v5.3.0-alpha br
2. Do DDL sql alter table t attributes ”merge_option=allow”
3. Make incremental backup in the cluster of V5.3.0
4. Make full restore in the cluster of v5.0.0 TiKV with v5.0.0 br
5. Make incremental restore in the cluster of V5.0.0

Finally the step 5 failed.

[2021/11/02 18:15:43.877 +08:00] [ERROR] [restore.go:35] ["failed to restore"] [error="[parser:1064]You have an error in your SQL syntax; check the manual that corresponds to your TiDB version for the right syntax to use line 1 column 28 near \"attributes \"merge_option=allow\"\" "] [errorVerbose="[parser:1064]You have an error in your SQL syntax; check the manual that corresponds to your TiDB version for the right syntax to use line 1 column 28 near \"attributes \"merge_option=allow\"\" \ngithub.com/pingcap/errors.AddStack\n\tgithub.com/pingcap/errors@v0.11.5-0.20201126102027-b0a155152ca3/errors.go:174\ngithub.com/pingcap/errors.

2. What did you expect to see? (Required)

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

[github-actions]

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