PERF: Return RangeIndex from RangeIndex.join when possible #57543
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mroeschke
added
Performance
phofl
reviewed
Feb 21, 2024
| join_index, lidx, ridx = super()._wrap_join_result( | ||
| joined, other, lidx, ridx, how | ||
| ) | ||
| maybe_ri = self._shallow_copy(join_index._values) |
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Can we do this more efficiently based on the inputs?
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That's fair. Yeah I think working on implementing RangeIndex._join_monotinic would be worth it so I'll close this one out
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Discovered in #57441