Add `CastColumnExpr` for struct-aware column casting#17773

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kosiew merged 3 commits intoapache:mainfrom

kosiew:cast-column-expr-17760

Oct 2, 2025

Commits on Sep 25, 2025

Add CastColumnExpr for struct-aware column casting
kosiew
committed
Refactor imports in CastColumnExpr for improved organization and readability
kosiew
committed
fix: clarify reference to `arrow::datatypes::Field` in CastColumnExpr documentation
kosiew
committed