findepi commented on issue #17401:
URL: https://github.com/apache/datafusion/issues/17401#issuecomment-3252548104
I run `git bisect`, inspecting timing of the query
```bash
( cd datafusion-cli && cargo run --bin datafusion-cli -- --command "
WITH source AS (
SELECT
1 AS n,
'' AS a1, '' AS a2, '' AS a3, '' AS a4, '' AS a5, '' AS a6, '' AS
a7, '' AS a8,
'' AS a9, '' AS a10, '' AS a11, '' AS a12
)
SELECT
sum(n) OVER (PARTITION BY
a1, a2, a3, a4, a5, a6, a7, a8, a9
)
FROM source;
"; )
```
```
ea0686b8ce4b45cb61ba7fecac563cfa17f13595 is the first bad commit
commit ea0686b8ce4b45cb61ba7fecac563cfa17f13595 (HEAD)
Date: Wed Feb 26 17:35:37 2025 +0300
Window Functions Order Conservation -- Follow-up On Set Monotonicity
(#14813)
```
- https://github.com/apache/datafusion/pull/14813 landed in 46.0.0 and
that's the first version affected
cc @berkaysynnada @ozankabak @Omega359 @alamb
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