AbsaOSS / AbsaOSS/spline

Attribute lineage: Dependency from aggregation expressions to preceding selection operations

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#791 3 comments 0 reactions 0 assignees View on GitHub
Epic feature
Dominant language
Scala
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667
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155
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3d 6h
Merged PRs (30d)
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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