ENH: Support 'left_anti' and 'right_anti' joins in pd.merge #60732

snitish · 2025-01-19T05:05:59Z

closes ENH: Add anti-joins to pandas.merge #42916
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/v3.0.0.rst file if fixing a bug or adding a new feature.

pandas/tests/reshape/merge/test_merge_antijoin.py

mroeschke · 2025-02-05T17:51:45Z

Awesome work. Thanks @snitish

ENH: Support 'left_anti' and 'right_anti' joins in pd.merge

d385047

snitish requested a review from Dr-Irv as a code owner January 19, 2025 05:06

snitish added 8 commits January 18, 2025 21:38

Fix mypy errors

3290518

Fix another mypy error

1723d70

Restructure a bit

aa83319

Fix mypy typing error

08c83e9

Fix test

b0c435e

Fix arrow string test

d610102

Fix future string test

803b16c

Retry fix

d40b713

mroeschke reviewed Jan 21, 2025

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pandas/tests/reshape/merge/test_merge_antijoin.py Outdated Show resolved Hide resolved

mroeschke added the Reshaping Concat, Merge/Join, Stack/Unstack, Explode label Jan 21, 2025

snitish added 2 commits January 21, 2025 17:09

Address review comment

3b783fc

Merge branch 'main' into issue42916

9c40dfa

mroeschke approved these changes Feb 5, 2025

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mroeschke added this to the 3.0 milestone Feb 5, 2025

mroeschke merged commit 2cc9b21 into pandas-dev:main Feb 5, 2025
34 of 42 checks passed

snitish deleted the issue42916 branch February 6, 2025 19:45

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