Add missing Dataframe functions#1472

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timsaucer wants to merge 9 commits intoapache:mainfrom

timsaucer:feat/missing-dataframe-ops

Commits on Apr 3, 2026

Add missing DataFrame methods for set operations and query

timsaucer
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claude
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Add ExplainFormat enum and format option to DataFrame.explain()

timsaucer
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claude
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Add DataFrame.window() and unnest recursion options

timsaucer
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claude
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Update docstring

timsaucer
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Copilot
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Improve docstrings and test robustness for new DataFrame methods

timsaucer
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claude
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Consolidate new DataFrame tests into parametrized tests

timsaucer
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claude
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Add doctest examples to new DataFrame method docstrings

timsaucer
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claude
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Commits on Apr 4, 2026