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…#187) * move get_scalar_element to its own header, add support for (eventual) libcudf list_scalar * uncomment getValue list test * move getValue/setValue into specialized subclasses * Create List series from JS Arrays * move set_scalar_value functor to utilities/value_to_scalar.hpp, remove test for ListSeries.setValue until cuDF supports scatter for list_scalar
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modules/cudf/src/node_cudf/utilities/scalar_to_value.hpp
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| // Copyright (c) 2021, NVIDIA CORPORATION. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| #pragma once | ||
|
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| #include <node_cudf/column.hpp> | ||
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| #include <cudf/scalar/scalar.hpp> | ||
| #include <cudf/types.hpp> | ||
| #include <cudf/utilities/traits.hpp> | ||
| #include <cudf/utilities/type_dispatcher.hpp> | ||
| #include <cudf/wrappers/durations.hpp> | ||
| #include <cudf/wrappers/timestamps.hpp> | ||
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| #include <napi.h> | ||
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| namespace nv { | ||
| namespace detail { | ||
|
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| struct get_scalar_value { | ||
| Napi::Env env; | ||
| template <typename T> | ||
| inline std::enable_if_t<cudf::is_index_type<T>(), Napi::Value> operator()( | ||
| std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| if (!scalar->is_valid(stream)) { return env.Null(); } | ||
| switch (scalar->type().id()) { | ||
| case cudf::type_id::INT64: | ||
| return Napi::BigInt::New( | ||
| env, static_cast<cudf::numeric_scalar<int64_t>*>(scalar.get())->value(stream)); | ||
| case cudf::type_id::UINT64: | ||
| return Napi::BigInt::New( | ||
| env, static_cast<cudf::numeric_scalar<uint64_t>*>(scalar.get())->value(stream)); | ||
| default: | ||
| return Napi::Number::New( | ||
| env, static_cast<cudf::numeric_scalar<T>*>(scalar.get())->value(stream)); | ||
| } | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<cudf::is_floating_point<T>(), Napi::Value> operator()( | ||
| std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| return scalar->is_valid(stream) | ||
| ? Napi::Number::New(env, | ||
| static_cast<cudf::numeric_scalar<T>*>(scalar.get())->value(stream)) | ||
| : env.Null(); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<std::is_same<T, bool>::value, Napi::Value> operator()( | ||
| std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| return scalar->is_valid(stream) | ||
| ? Napi::Boolean::New( | ||
| env, static_cast<cudf::numeric_scalar<bool>*>(scalar.get())->value(stream)) | ||
| : env.Null(); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<std::is_same<T, cudf::string_view>::value, Napi::Value> operator()( | ||
| std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| return scalar->is_valid(stream) | ||
| ? CPPToNapi(env)(static_cast<cudf::string_scalar*>(scalar.get())->to_string(stream)) | ||
| : env.Null(); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<cudf::is_duration<T>(), Napi::Value> operator()( | ||
| std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| return scalar->is_valid(stream) | ||
| ? CPPToNapi(env)(static_cast<cudf::duration_scalar<T>*>(scalar.get())->value(stream)) | ||
| : env.Null(); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<cudf::is_timestamp<T>(), Napi::Value> operator()( | ||
| std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| return scalar->is_valid(stream) | ||
| ? CPPToNapi(env)(static_cast<cudf::timestamp_scalar<T>*>(scalar.get())->value(stream)) | ||
| : env.Null(); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<cudf::is_fixed_point<T>(), Napi::Value> operator()( | ||
| std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| return scalar->is_valid(stream) | ||
| ? CPPToNapi(env)( | ||
| static_cast<cudf::fixed_point_scalar<T>*>(scalar.get())->value(stream)) | ||
| : env.Null(); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<std::is_same<T, cudf::list_view>::value, Napi::Value> operator()( | ||
| std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| return scalar->is_valid(stream) | ||
| ? Column::New(env, | ||
| std::make_unique<cudf::column>( | ||
| // The list_scalar's view is copied here because its underlying column | ||
| // cannot be moved. | ||
| static_cast<cudf::list_scalar*>(scalar.get())->view(), | ||
| stream)) | ||
| : env.Null(); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<!(cudf::is_index_type<T>() || // | ||
| cudf::is_floating_point<T>() || // | ||
| std::is_same<T, bool>::value || // | ||
| std::is_same<T, cudf::string_view>::value || // | ||
| cudf::is_duration<T>() || // | ||
| cudf::is_timestamp<T>() || // | ||
| cudf::is_fixed_point<T>() || // | ||
| std::is_same<T, cudf::list_view>::value), | ||
| Napi::Value> | ||
| operator()(std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| NAPI_THROW(Napi::Error::New(env, "Unsupported dtype")); | ||
| } | ||
| }; | ||
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| } // namespace detail | ||
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| } // namespace nv | ||
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| namespace Napi { | ||
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| template <> | ||
| inline Value Value::From(napi_env env, std::unique_ptr<cudf::scalar> const& scalar) { | ||
| return cudf::type_dispatcher(scalar->type(), nv::detail::get_scalar_value{env}, scalar); | ||
| } | ||
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| } // namespace Napi |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,74 @@ | ||
| // Copyright (c) 2021, NVIDIA CORPORATION. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| #pragma once | ||
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| #include <node_cudf/column.hpp> | ||
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| #include <cudf/types.hpp> | ||
| #include <cudf/utilities/traits.hpp> | ||
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| #include <napi.h> | ||
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| namespace nv { | ||
| namespace detail { | ||
|
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| struct set_scalar_value { | ||
| Napi::Value val; | ||
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| template <typename T> | ||
| inline std::enable_if_t<cudf::is_numeric<T>(), void> operator()( | ||
| std::unique_ptr<cudf::scalar>& scalar, cudaStream_t stream = 0) { | ||
| static_cast<cudf::numeric_scalar<T>*>(scalar.get())->set_value(NapiToCPP(val), stream); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<std::is_same<T, cudf::string_view>::value, void> operator()( | ||
| std::unique_ptr<cudf::scalar>& scalar, cudaStream_t stream = 0) { | ||
| scalar.reset(new cudf::string_scalar(val.ToString(), true, stream)); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<cudf::is_duration<T>(), void> operator()( | ||
| std::unique_ptr<cudf::scalar>& scalar, cudaStream_t stream = 0) { | ||
| static_cast<cudf::duration_scalar<T>*>(scalar.get())->set_value(NapiToCPP(val), stream); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<cudf::is_timestamp<T>(), void> operator()( | ||
| std::unique_ptr<cudf::scalar>& scalar, cudaStream_t stream = 0) { | ||
| static_cast<cudf::timestamp_scalar<T>*>(scalar.get())->set_value(NapiToCPP(val), stream); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<cudf::is_fixed_point<T>(), void> operator()( | ||
| std::unique_ptr<cudf::scalar>& scalar, cudaStream_t stream = 0) { | ||
| scalar.reset(new cudf::fixed_point_scalar<T>(val.ToNumber(), true, stream)); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<std::is_same<T, cudf::list_view>::value, void> operator()( | ||
| std::unique_ptr<cudf::scalar>& scalar, cudaStream_t stream = 0) { | ||
| scalar.reset(new cudf::list_scalar(*Column::Unwrap(val.ToObject()), true, stream)); | ||
| } | ||
| template <typename T> | ||
| inline std::enable_if_t<!(cudf::is_numeric<T>() || // | ||
| std::is_same<T, cudf::string_view>::value || // | ||
| cudf::is_duration<T>() || // | ||
| cudf::is_timestamp<T>() || // | ||
| cudf::is_fixed_point<T>() || // | ||
| std::is_same<T, cudf::list_view>::value), | ||
| void> | ||
| operator()(std::unique_ptr<cudf::scalar> const& scalar, cudaStream_t stream = 0) { | ||
| NAPI_THROW(Napi::Error::New(val.Env(), "Unsupported dtype")); | ||
| } | ||
| }; | ||
|
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| } // namespace detail | ||
| } // namespace nv |
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