Support string column identifiers for sort/aggregate/window and stricter Expr validation#1221

Merged

timsaucer merged 20 commits intoapache:mainfrom

kosiew:col-1214

Sep 16, 2025

Commits on Sep 2, 2025

refactor: improve DataFrame expression handling, type checking, and docs
kosiew
committed
refactor: unify expression and sorting logic; improve docs and error handling
kosiew
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feat: add ensure_expr helper for validation; refine expression handling, sorting, and docs
kosiew
committed
Refactor and enhance expression handling, test coverage, and documentation
kosiew
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refactor: update docstring for sort_or_default function to clarify its purpose
kosiew
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fix Ruff errors
kosiew
committed
refactor: update type hints to use typing.Union for better clarity and consistency
kosiew
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fix Ruff errors
kosiew
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refactor: simplify type hints by removing unnecessary imports for type checking
kosiew
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refactor: update type hints for rex_type and types methods to improve clarity
kosiew
committed
refactor: remove unnecessary type ignore comments from rex_type and types methods
kosiew
committed

Commits on Sep 15, 2025