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Which issue does this PR close?
This is an alternative to
CastColumnExprwithCastColumn#19097Rationale for this change
@kosiew added struct aware casting in the following PR
CastColumnExprfor struct-aware column casting #17773However, that relies on a new physical
CastColumnExprthat has a non trivial redundancy withCastExprand is not connected anywhereWhat changes are included in this PR?
CastColumnExprAre these changes tested?
Yes by CI
Are there any user-facing changes?
No