rubenada commented on PR #4207:
URL: https://github.com/apache/calcite/pull/4207#issuecomment-2674834598
Yes... Calcite usually is quite smart to simplify these type of things
transparently on the fly, so you'd probably need to "force" a bit the
situation...
What about a RelBuilder scenario with a Scan + Project (trim fields) +
Filter + Project (rename); and then applying FilterProjectTranspose and then
ProjectRemoveRule? I mean something like:
```
Project(x as a, y as b)
Filter(x>0)
Project(x, y)
Scan (TableA, fields x, y, x)
=> FilterProjectTranspose
Project(x as a, y as b)
Project(x, y)
Filter(x>0)
Scan (TableA, fields x, y, x)
=> ProjectRemoveRule! (scenario reproduced?)
```
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