Detail APIs for datetime functions

conda/recipes/libcudf/meta.yaml

@@ -69,6 +69,7 @@ test:
     - test -f $PREFIX/include/cudf/detail/binaryop.hpp
     - test -f $PREFIX/include/cudf/detail/concatenate.hpp
     - test -f $PREFIX/include/cudf/detail/copy.hpp
+    - test -f $PREFIX/include/cudf/detail/datetime.hpp
     - test -f $PREFIX/include/cudf/detail/fill.hpp
     - test -f $PREFIX/include/cudf/detail/gather.hpp
     - test -f $PREFIX/include/cudf/detail/groupby.hpp

cpp/include/cudf/detail/datetime.hpp

@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2018-2021, 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.
+ */
+
+#pragma once
+
+#include <cudf/types.hpp>
+
+#include <memory>
+
+namespace cudf {
+namespace datetime {
+namespace detail {
+/**
+ * @copydoc cudf::extract_year(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> extract_year(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::extract_month(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> extract_month(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::extract_day(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> extract_day(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::extract_weekday(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> extract_weekday(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::extract_hour(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> extract_hour(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::extract_minute(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> extract_minute(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::extract_second(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> extract_second(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::last_day_of_month(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> last_day_of_month(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::day_of_year(cudf::column_view const&, rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> day_of_year(
+  cudf::column_view const& column,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+
+/**
+ * @copydoc cudf::add_calendrical_months(cudf::column_view const&, cudf::column_view const&,
+ * rmm::mr::device_memory_resource *)
+ *
+ * @param stream CUDA stream used for device memory operations and kernel launches.
+ */
+std::unique_ptr<cudf::column> add_calendrical_months(
+  cudf::column_view const& timestamps,
+  cudf::column_view const& months,
+  rmm::cuda_stream_view stream        = rmm::cuda_stream_default,
+  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
+}  // namespace detail
+}  // namespace datetime
+}  // namespace cudf

cpp/src/datetime/datetime_ops.cu

@@ -278,82 +278,144 @@ std::unique_ptr<column> add_calendrical_months(column_view const& timestamp_colu
 
   return output;
 }
-}  // namespace detail
 
-std::unique_ptr<column> extract_year(column_view const& column, rmm::mr::device_memory_resource* mr)
+std::unique_ptr<column> extract_year(column_view const& column,
+                                     rmm::cuda_stream_view stream,
+                                     rmm::mr::device_memory_resource* mr)
 {
-  CUDF_FUNC_RANGE();
   return detail::apply_datetime_op<
     detail::extract_component_operator<detail::datetime_component::YEAR>,
-    cudf::type_id::INT16>(column, 0, mr);
+    cudf::type_id::INT16>(column, stream, mr);
 }
 
 std::unique_ptr<column> extract_month(column_view const& column,
+                                      rmm::cuda_stream_view stream,
                                       rmm::mr::device_memory_resource* mr)
 {
-  CUDF_FUNC_RANGE();
-
   return detail::apply_datetime_op<
     detail::extract_component_operator<detail::datetime_component::MONTH>,
-    cudf::type_id::INT16>(column, 0, mr);
+    cudf::type_id::INT16>(column, stream, mr);
 }
 
-std::unique_ptr<column> extract_day(column_view const& column, rmm::mr::device_memory_resource* mr)
+std::unique_ptr<column> extract_day(column_view const& column,
+                                    rmm::cuda_stream_view stream,
+                                    rmm::mr::device_memory_resource* mr)
 {
-  CUDF_FUNC_RANGE();
   return detail::apply_datetime_op<
     detail::extract_component_operator<detail::datetime_component::DAY>,
-    cudf::type_id::INT16>(column, 0, mr);
+    cudf::type_id::INT16>(column, stream, mr);
 }
 
 std::unique_ptr<column> extract_weekday(column_view const& column,
+                                        rmm::cuda_stream_view stream,
                                         rmm::mr::device_memory_resource* mr)
 {
-  CUDF_FUNC_RANGE();
   return detail::apply_datetime_op<
     detail::extract_component_operator<detail::datetime_component::WEEKDAY>,
-    cudf::type_id::INT16>(column, 0, mr);
+    cudf::type_id::INT16>(column, stream, mr);
 }
 
-std::unique_ptr<column> extract_hour(column_view const& column, rmm::mr::device_memory_resource* mr)
+std::unique_ptr<column> extract_hour(column_view const& column,
+                                     rmm::cuda_stream_view stream,
+                                     rmm::mr::device_memory_resource* mr)
 {
-  CUDF_FUNC_RANGE();
   return detail::apply_datetime_op<
     detail::extract_component_operator<detail::datetime_component::HOUR>,
-    cudf::type_id::INT16>(column, 0, mr);
+    cudf::type_id::INT16>(column, stream, mr);
 }
 
 std::unique_ptr<column> extract_minute(column_view const& column,
+                                       rmm::cuda_stream_view stream,
                                        rmm::mr::device_memory_resource* mr)
 {
-  CUDF_FUNC_RANGE();
   return detail::apply_datetime_op<
     detail::extract_component_operator<detail::datetime_component::MINUTE>,
-    cudf::type_id::INT16>(column, 0, mr);
+    cudf::type_id::INT16>(column, stream, mr);
 }
 
 std::unique_ptr<column> extract_second(column_view const& column,
+                                       rmm::cuda_stream_view stream,
                                        rmm::mr::device_memory_resource* mr)
 {
-  CUDF_FUNC_RANGE();
   return detail::apply_datetime_op<
     detail::extract_component_operator<detail::datetime_component::SECOND>,
-    cudf::type_id::INT16>(column, 0, mr);
+    cudf::type_id::INT16>(column, stream, mr);
 }
 
 std::unique_ptr<column> last_day_of_month(column_view const& column,
+                                          rmm::cuda_stream_view stream,
                                           rmm::mr::device_memory_resource* mr)
 {
-  CUDF_FUNC_RANGE();
   return detail::apply_datetime_op<detail::extract_last_day_of_month,
-                                   cudf::type_id::TIMESTAMP_DAYS>(column, 0, mr);
+                                   cudf::type_id::TIMESTAMP_DAYS>(column, stream, mr);
+}
+
+std::unique_ptr<column> day_of_year(column_view const& column,
+                                    rmm::cuda_stream_view stream,
+                                    rmm::mr::device_memory_resource* mr)
+{
+  return detail::apply_datetime_op<detail::extract_day_num_of_year, cudf::type_id::INT16>(
+    column, stream, mr);
+}
+}  // namespace detail
+
+std::unique_ptr<column> extract_year(column_view const& column, rmm::mr::device_memory_resource* mr)
+{
+  CUDF_FUNC_RANGE();
+  return detail::extract_year(column, 0, mr);
+}
+
+std::unique_ptr<column> extract_month(column_view const& column,
+                                      rmm::mr::device_memory_resource* mr)
+{
+  CUDF_FUNC_RANGE();
+  return detail::extract_month(column, 0, mr);
+}
+
+std::unique_ptr<column> extract_day(column_view const& column, rmm::mr::device_memory_resource* mr)
+{
+  CUDF_FUNC_RANGE();
+  return detail::extract_day(column, 0, mr);
+}
+
+std::unique_ptr<column> extract_weekday(column_view const& column,
+                                        rmm::mr::device_memory_resource* mr)
+{
+  CUDF_FUNC_RANGE();
+  return detail::extract_weekday(column, 0, mr);
+}
+
+std::unique_ptr<column> extract_hour(column_view const& column, rmm::mr::device_memory_resource* mr)
+{
+  CUDF_FUNC_RANGE();
+  return detail::extract_hour(column, 0, mr);
+}
+
+std::unique_ptr<column> extract_minute(column_view const& column,
+                                       rmm::mr::device_memory_resource* mr)
+{
+  CUDF_FUNC_RANGE();
+  return detail::extract_minute(column, 0, mr);
+}
+
+std::unique_ptr<column> extract_second(column_view const& column,
+                                       rmm::mr::device_memory_resource* mr)
+{
+  CUDF_FUNC_RANGE();
+  return detail::extract_second(column, 0, mr);
+}
+
+std::unique_ptr<column> last_day_of_month(column_view const& column,
+                                          rmm::mr::device_memory_resource* mr)
+{
+  CUDF_FUNC_RANGE();
+  return detail::last_day_of_month(column, 0, mr);
 }
 
 std::unique_ptr<column> day_of_year(column_view const& column, rmm::mr::device_memory_resource* mr)
 {
   CUDF_FUNC_RANGE();
-  return detail::apply_datetime_op<detail::extract_day_num_of_year, cudf::type_id::INT16>(
-    column, 0, mr);
+  return detail::day_of_year(column, 0, mr);
 }
 
 std::unique_ptr<cudf::column> add_calendrical_months(cudf::column_view const& timestamp_column,