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enh: issue a performance warning for LazyFrame.schema#2849

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MarcoGorelli merged 6 commits intonarwhals-dev:mainfrom
raisadz:chore/perf-warning-lazyframe-schema
Jul 19, 2025
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enh: issue a performance warning for LazyFrame.schema#2849
MarcoGorelli merged 6 commits intonarwhals-dev:mainfrom
raisadz:chore/perf-warning-lazyframe-schema

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@raisadz raisadz commented Jul 18, 2025

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

@raisadz raisadz added the pyspark Issue is related to pyspark backend label Jul 18, 2025
@raisadz raisadz marked this pull request as ready for review July 18, 2025 17:13
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thanks @raisadz !

@MarcoGorelli MarcoGorelli added the enhancement New feature or request label Jul 19, 2025
@MarcoGorelli MarcoGorelli changed the title chore: issue a performance warning for LazyFrame.schema enh: issue a performance warning for LazyFrame.schema Jul 19, 2025
@MarcoGorelli MarcoGorelli merged commit 047ad33 into narwhals-dev:main Jul 19, 2025
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should LazyFrame.schema issue a performance warning?

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