The representation of 0 in division function in computing string
Open
severity/moderate
sig/sql-infra
type/bug
- Dominant language
- Go
- Stars
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Description
## Bug Report
Please answer these questions before submitting your issue. Thanks!
When we use the division function to calculate, we find that if there is a negative number type string, the result will be inconsistent with the expectation
### 1. Minimal reproduce step (Required)
select 0/-4; -- expect: 0, actual: 0.0000
select '0'/-4; -- expect: 0, actual: -0
### 2. What did you expect to see? (Required)
### 3. What did you see instead (Required)
### 4. What is your TiDB version? (Required)
5.7.25-TiDB-v6.1.2
MySQL has verified this as a bug. please see https://bugs.mysql.com/bug.php?id=109837. so I consider it is also a bug for tidb.
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