TRUNCATE precision differs in TiDB / MySQL 9 compared to MySQL 8
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contribution
severity/moderate
sig/execution
type/bug
- Dominant language
- Go
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Description
## Bug Report
Please answer these questions before submitting your issue. Thanks!
### 1. Minimal reproduce step (Required)
SELECT
TRUNCATE(1 * 0.025/365 * 146, 4) AS trunc_result1,
1 * 0.025/365 * 146 AS normal_result1,
1 * 0.025 * 146/365 AS normal_result2;
### 2. What did you expect to see? (Required)
SELECT
TRUNCATE(1 * 0.025/365 * 146, 4)
The result should be 0.0100
### 3. What did you see instead (Required)
0.0099
### 4. What is your TiDB version? (Required)
v8.5.3
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