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BUG: merge with CategoricalDtype RecursionError #62282

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Merged
merged 1 commit into from
Sep 8, 2025
Merged

BUG: merge with CategoricalDtype RecursionError #62282

merged 1 commit into from
Sep 8, 2025

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jbrockmendel
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@mroeschke mroeschke added Reshaping Concat, Merge/Join, Stack/Unstack, Explode Categorical Categorical Data Type labels Sep 8, 2025
@mroeschke mroeschke added this to the 3.0 milestone Sep 8, 2025
@mroeschke mroeschke merged commit 3168604 into pandas-dev:main Sep 8, 2025
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Thanks @jbrockmendel

@jbrockmendel jbrockmendel deleted the bug-recursion branch September 8, 2025 17:01
@jbrockmendel jbrockmendel mentioned this pull request Sep 8, 2025
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@mroeschke mroeschke mroeschke approved these changes

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Categorical Categorical Data Type Reshaping Concat, Merge/Join, Stack/Unstack, Explode
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Successfully merging this pull request may close these issues.

BUG: Infinite recursion with outer merge on categorical key column if left and right dtypes are mismatching non-nullable numeric kinds
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