Vector indexes do not been dropped on TiFlash side

[Lloyd-Pottiger]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. create vector index
2. drop vector index
3. run select * from information_schema.tiflash_indexes;

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

vector index is dropped.

3. What did you see instead (Required)

vector index still exists.

4. What is your TiDB version? (Required)

master

[JaySon-Huang]

/severity moderate

[JaySon-Huang]

/label affects-8.5

[JaySon-Huang]

/component tiflash