explode.hpp
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1 /*
2  * SPDX-FileCopyrightText: Copyright (c) 2021-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
3  * SPDX-License-Identifier: Apache-2.0
4  */
5 
6 #pragma once
7 
8 #include <cudf/column/column.hpp>
10 #include <cudf/types.hpp>
12 
13 #include <memory>
14 
20 namespace CUDF_EXPORT cudf {
64 std::unique_ptr<table> explode(
65  table_view const& input_table,
66  size_type explode_column_idx,
69 
110 std::unique_ptr<table> explode_position(
111  table_view const& input_table,
112  size_type explode_column_idx,
115 
154 std::unique_ptr<table> explode_outer(
155  table_view const& input_table,
156  size_type explode_column_idx,
159 
200 std::unique_ptr<table> explode_outer_position(
201  table_view const& input_table,
202  size_type explode_column_idx,
205  // end of group
207 
208 } // namespace CUDF_EXPORT cudf
A set of cudf::column_view's of the same size.
Definition: table_view.hpp:206
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::resource_ref< cuda::mr::device_accessible > device_async_resource_ref
int32_t size_type
Row index type for columns and tables.
Definition: types.hpp:76
APIs for getting and setting the current device memory resource.
cuDF interfaces
Definition: host_udf.hpp:26
Class definitions for (mutable)_table_view
Type declarations for libcudf.