REF: Use `default_index` or preserve original Index type for empty-like results - Githubissues

pandas-dev / pandas

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

https://pandas.pydata.org

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REF: Use `default_index` or preserve original Index type for empty-like results #59035

Closed mroeschke closed 2 weeks ago

mroeschke commented 2 weeks ago

[ ] closes #50862 (Replace xxxx with the GitHub issue number)

Since DataFrame and Series more consistently return RangeIndex for empty-like constructors since 2.0, this PR uses default_index(0) more consistently internally