CoW: Avoid unnecessary copies for columnwise replace #54117

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jorisvandenbossche merged 3 commits into pandas-dev:main from phofl:cow_replace_dict

Jul 17, 2023

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phofl commented Jul 13, 2023

closes #xxxx (Replace xxxx with the GitHub issue number)
Tests added and passed if fixing a bug or adding a new feature
All code checks passed.
Added type annotations to new arguments/methods/functions.
Added an entry in the latest doc/source/whatsnew/vX.X.X.rst file if fixing a bug or adding a new feature.

phofl added 2 commits

July 9, 2023 15:30


          CoW: Avoid unnecessary copies for columnwise replace

1993b3f


          Run pre-commit

344a816

phofl added the Copy / view semantics label

phofl requested a review from jorisvandenbossche

July 13, 2023 20:20

Fix

ff9fed2

jorisvandenbossche approved these changes

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jorisvandenbossche left a comment

Nice, thanks!

jorisvandenbossche merged commit d3870de into pandas-dev:main

phofl deleted the cow_replace_dict branch

July 17, 2023 11:56

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Copy / view semantics