MichaelScofield opened a new issue, #20640:
URL: https://github.com/apache/datafusion/issues/20640
### Describe the bug
`FLOOR('-999.9'::DECIMAL(4,1))` is calculated to "decimal overflow" error.
### To Reproduce
```text
./datafusion-cli
DataFusion CLI v52.1.0
> SELECT FLOOR('-999.9'::DECIMAL(4,1));
Arrow error: Compute error: Decimal overflow while applying floor
```
### Expected behavior
Like DuckDB, it should return `-1000`:
```text
./duckdb
DuckDB v1.4.4 (Andium) 6ddac802ff
Enter ".help" for usage hints.
Connected to a transient in-memory database.
Use ".open FILENAME" to reopen on a persistent database.
D select floor(-'999.9'::decimal(4,1));
┌─────────────────────────────────────────┐
│ floor(-(CAST('999.9' AS DECIMAL(4,1)))) │
│ decimal(4,0) │
├─────────────────────────────────────────┤
│ -1000 │
└─────────────────────────────────────────┘
```
### Additional context
_No response_
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