BUG: merge with CategoricalIndex for left_on/right_on #48464
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mroeschke
reviewed
Sep 8, 2022
| right = DataFrame({"A": ci, "B": range(3)}) | ||
| left = DataFrame({"C": range(3, 6)}) | ||
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| res = merge(left, right, left_on=ci, right_on="A") |
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Should the comment below the code change:
# if either left or right is a categorical
# then the must match exactly in categories & ordered
Apply here as well? Could you add a test where categories/ordered are different too?
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really shouldn't be relevant. its just a matter of CategoricalIndex vs Categorical
mroeschke
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mroeschke
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Sep 9, 2022
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Thanks @jbrockmendel |
noatamir
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Nov 9, 2022
* BUG: merge with CategoricalIndex for left_on/right_on * GH refs
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.