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Ensure column names are unique for horizontal concat in the IR #17862

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orlp opened this issue Jul 25, 2024 · 0 comments · Fixed by #17884
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Ensure column names are unique for horizontal concat in the IR #17862

orlp opened this issue Jul 25, 2024 · 0 comments · Fixed by #17884
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@ritchie46
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@orlp
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orlp commented Jul 25, 2024

When horizontally concatenating DataFrames we should already check that the column names are unique while building the IR instead of during execution.
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feat: Ensure unique names in HConcat pola-rs/polars
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@orlp @ritchie46 @c-peters