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Remove Series class in favor of single-column DataFrame#38

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tswast merged 2 commits into
mainfrom
remove-series-class-17348872327282844394
Jul 8, 2026
Merged

Remove Series class in favor of single-column DataFrame#38
tswast merged 2 commits into
mainfrom
remove-series-class-17348872327282844394

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@tswast

@tswast tswast commented Jun 29, 2026

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Removed the deprecated Series class and replaced its logic by using single-column DataFrame operations. This includes adding several mixins to keep the DataFrame class small.


PR created automatically by Jules for task 17348872327282844394 started by @tswast

- Deleted `leanframe/core/series.py`.
- Updated `DataFrame.__getitem__` to return a single-column `DataFrame` instead of `Series`.
- Created mixin classes (`AggregationsMixin`, `TransformationsMixin`, `ArithmeticMixin`, `ComparisonsMixin`) for `DataFrame` to support column-wise operations that were previously available on `Series`.
- Adjusted type annotations and `__init__` files to avoid circular imports.
- Re-wrote `assign` logic in `DataFrame` to handle single-column dataframe inputs properly avoiding `IntegrityError` from overlapping Ibis relations.
- Migrated tests.

Co-authored-by: tswast <247555+tswast@users.noreply.github.com>
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- Deleted `leanframe/core/series.py`.
- Updated `DataFrame.__getitem__` to return a single-column `DataFrame` instead of `Series`.
- Created mixin classes (`AggregationsMixin`, `TransformationsMixin`, `ArithmeticMixin`, `ComparisonsMixin`) for `DataFrame` to support column-wise operations that were previously available on `Series`.
- Adjusted type annotations and `__init__` files to avoid circular imports.
- Re-wrote `assign` logic in `DataFrame` to handle single-column dataframe inputs properly avoiding `IntegrityError` from overlapping Ibis relations.
- Migrated tests.

Co-authored-by: tswast <247555+tswast@users.noreply.github.com>
@tswast tswast requested a review from andyorange July 8, 2026 19:10
@tswast tswast merged commit 9fbf114 into main Jul 8, 2026
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