Add missing aggregate functions#1471

Merged

timsaucer merged 14 commits intoapache:mainfrom

timsaucer:feat/expose-agg-fns

Apr 7, 2026

Commits on Apr 3, 2026

Add missing aggregate functions: grouping, percentile_cont, var_population

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claude
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Fix grouping() distinct parameter type for API consistency

timsaucer
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Commits on Apr 6, 2026

Merge branch 'main' into feat/expose-agg-fns
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Improve aggregate function tests and docstrings per review feedback

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Add GroupingSet.rollup, .cube, and .grouping_sets factory methods

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Remove _GroupingSetInternal alias, use expr_internal.GroupingSet directly

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Parametrize grouping set tests for rollup and cube

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Add grouping sets documentation and note grouping() alias limitation

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Add grouping sets note to DataFrame.aggregate() docstring

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