Jefffrey commented on issue #5407:
URL:
https://github.com/apache/arrow-datafusion/issues/5407#issuecomment-1446173405
Could you provide some more details/your thinking for this @jackwener ?
I assume the intention is for this to be an rule during logical plan
optimization (at the end?) to remove the SubqueryAlias nodes and for nodes
higher above the original SubqueryAlias node to have any references to the
SubqueryAlias to be expanded to a proper qualified reference like so from:
```
Projection: a.a
SubqueryAlias: a
Filter: ta.a = Int64(1)
TableScan: ta projection=[a]
```
to:
```
Projection: ta.a
Filter: ta.a = Int64(1)
TableScan: ta projection=[a]
```
Does this line up with what you're imagining?
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