ARROW-14050: [C++] Make TDigest/Quantile kernels return nulls instead #11199
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Thanks for doing this @lidavidm! I'll test this with the R bindings later today. |
pitrou
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Sep 21, 2021
| for (const auto& ty : {float64(), int64(), uint64()}) { | ||
| QuantileOptions options(std::vector<double>{0.0, 0.5, 1.0}); | ||
| EXPECT_THAT(Quantile(*MakeScalar(ty, 1), options), | ||
| ResultWith(ArrayFromJSON(float64(), "[1.0, 1.0, 1.0]"))); |
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Did you mean to also test with a null scalar here?
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Yes, added (also added to TDigest's tests)
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Works great from the R bindings. Thanks! |
ianmcook
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Sep 21, 2021
lidavidm
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Sep 24, 2021
This wraps the tdigest aggregation to make it easier for bindings to use. This PR is on top of ARROW-14050 (#11199). Closes #11204 from lidavidm/arrow-14052 Authored-by: David Li <li.davidm96@gmail.com> Signed-off-by: David Li <li.davidm96@gmail.com>
ViniciusSouzaRoque
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Oct 20, 2021
As requested, this makes it so that TDigest/Quantile return nulls instead of empty arrays, making them easier to consume from bindings, and making them compose better with kernels like list_flatten and list_element. Closes apache#11199 from lidavidm/arrow-14050 Authored-by: David Li <li.davidm96@gmail.com> Signed-off-by: David Li <li.davidm96@gmail.com>
ViniciusSouzaRoque
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Oct 20, 2021
This wraps the tdigest aggregation to make it easier for bindings to use. This PR is on top of ARROW-14050 (apache#11199). Closes apache#11204 from lidavidm/arrow-14052 Authored-by: David Li <li.davidm96@gmail.com> Signed-off-by: David Li <li.davidm96@gmail.com>
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As requested, this makes it so that TDigest/Quantile return nulls instead of empty arrays, making them easier to consume from bindings, and making them compose better with kernels like list_flatten and list_element.