Attribute lineage: Dependency from aggregation expressions to preceding selection operations
Ouverte
Epic
feature
- Langage dominant
- Scala
- Étoiles
- 667
- Forks
- 155
- Merge moyen
- 3 j 6 h
- PR mergées (30 j)
- 4
Description
In the following pseudo query, output attribute `b` should depend not only on `a`, but also on `c` and `g` even though they are not directly present in `b`'s AST.
```sql
SELECT AGG(a) as b, g
FROM t
WHERE c
GROUP BY g
```
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