concatenate.hpp
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16 #pragma once
17 
21 #include <cudf/utilities/span.hpp>
22 
23 #include <rmm/mr/device/per_device_resource.hpp>
24 
25 #include <memory>
26 
27 namespace cudf {
47 rmm::device_buffer concatenate_masks(
49  rmm::cuda_stream_view stream = cudf::get_default_stream(),
50  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
51 
64 std::unique_ptr<column> concatenate(
65  host_span<column_view const> columns_to_concat,
66  rmm::cuda_stream_view stream = cudf::get_default_stream(),
67  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
68 
93 std::unique_ptr<table> concatenate(
94  host_span<table_view const> tables_to_concat,
95  rmm::cuda_stream_view stream = cudf::get_default_stream(),
96  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
97  // end of group
99 } // namespace cudf
column view class definitions
rmm::device_buffer concatenate_masks(host_span< column_view const > views, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
Concatenates views[i]'s bitmask from the bits [views[i].offset(), views[i].offset() + views[i]....
std::unique_ptr< column > concatenate(host_span< column_view const > columns_to_concat, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
Concatenates multiple columns into a single column.
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
cuDF interfaces
Definition: aggregation.hpp:34
APIs for spans.
C++20 std::span with reduced feature set.
Definition: span.hpp:224
Class definitions for (mutable)_table_view