ARROW-13520: [C++] Implement hash_aggregate tdigest kernel#10860
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lidavidm wants to merge 2 commits intoapache:masterfrom
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ARROW-13520: [C++] Implement hash_aggregate tdigest kernel#10860lidavidm wants to merge 2 commits intoapache:masterfrom
lidavidm wants to merge 2 commits intoapache:masterfrom
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cyb70289
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Aug 4, 2021
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| other_tdigest[0] = std::move(other->tdigests_[other_g]); | ||
| tdigests_[*g].Merge(&other_tdigest); |
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I don't remember why but this api does looks awkward :(
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It might be worth considering whether Merge should take an iterator pair (and whether TDigest::Merge should also take an iterator pair or vector of pointers instead of a vector of structs).
This was referenced Sep 10, 2021
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