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fix: pandas-like & dask join's with null values in keys#3318

Merged
FBruzzesi merged 3 commits intomainfrom
fix/null-joins
Nov 30, 2025
Merged

fix: pandas-like & dask join's with null values in keys#3318
FBruzzesi merged 3 commits intomainfrom
fix/null-joins

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@FBruzzesi
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What type of PR is this? (check all applicable)

  • 💾 Refactor
  • ✨ Feature
  • 🐛 Bug Fix
  • 🔧 Optimization
  • 📝 Documentation
  • ✅ Test
  • 🐳 Other

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  • Code follows style guide (ruff)
  • Tests added
  • Documented the changes

If you have comments or can explain your changes, please do so below

Send help for better formatting the tests 😂

@FBruzzesi FBruzzesi added fix high priority Your PR will be reviewed very quickly if you address this pandas-like Issue is related to pandas-like backends dask Issue is related to dask backend labels Nov 20, 2025
@FBruzzesi FBruzzesi marked this pull request as ready for review November 20, 2025 21:42
@MarcoGorelli
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thanks! will try to review next week

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@MarcoGorelli MarcoGorelli left a comment

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Nice one, thanks @FBruzzesi !

One of the most annoying "pandas vs the rest" differneces i've come across so far, thanks for fixing it!

@FBruzzesi FBruzzesi merged commit becc57c into main Nov 30, 2025
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@FBruzzesi FBruzzesi deleted the fix/null-joins branch November 30, 2025 10:29
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dask Issue is related to dask backend fix high priority Your PR will be reviewed very quickly if you address this pandas-like Issue is related to pandas-like backends

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bug: join discrepancies when null values are in the joining keys

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