explode.hpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2021-2024, NVIDIA CORPORATION.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <cudf/column/column.hpp>
21 #include <cudf/types.hpp>
23 
24 #include <memory>
25 
26 namespace CUDF_EXPORT cudf {
72 std::unique_ptr<table> explode(
73  table_view const& input_table,
74  size_type explode_column_idx,
77 
118 std::unique_ptr<table> explode_position(
119  table_view const& input_table,
120  size_type explode_column_idx,
123 
162 std::unique_ptr<table> explode_outer(
163  table_view const& input_table,
164  size_type explode_column_idx,
167 
208 std::unique_ptr<table> explode_outer_position(
209  table_view const& input_table,
210  size_type explode_column_idx,
213  // end of group
215 
216 } // namespace CUDF_EXPORT cudf
A set of cudf::column_view's of the same size.
Definition: table_view.hpp:200
Class definition for cudf::column.
std::unique_ptr< table > explode_outer(table_view const &input_table, size_type explode_column_idx, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Explodes a list column's elements retaining any null entries or empty lists inside.
std::unique_ptr< table > explode(table_view const &input_table, size_type explode_column_idx, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Explodes a list column's elements.
std::unique_ptr< table > explode_outer_position(table_view const &input_table, size_type explode_column_idx, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Explodes a list column's elements retaining any null entries or empty lists and includes a position c...
std::unique_ptr< table > explode_position(table_view const &input_table, size_type explode_column_idx, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Explodes a list column's elements and includes a position column.
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
rmm::device_async_resource_ref get_current_device_resource_ref()
Get the current device memory resource reference.
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
int32_t size_type
Row index type for columns and tables.
Definition: types.hpp:95
cuDF interfaces
Definition: host_udf.hpp:39
Class definitions for (mutable)_table_view
Type declarations for libcudf.