txn: the write conflict is not detected as expected
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sig/transaction
type/question
- Dominant language
- Go
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Description
## Bug Report
Please answer these questions before submitting your issue. Thanks!
The problem
### 1. Minimal reproduce step (Required)
No direct reproduction step by now, need more investigations.
### 2. What did you expect to see? (Required)
The `select for update` detects conflict.
### 3. What did you see instead (Required)
The `select for update` in session 2 does not detect the write conflict as expected.
### 4. What is your TiDB version? (Required)
v6.5.9
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Assessment
This issue has not been assessed yet.