24 #include <rmm/cuda_stream_view.hpp>
25 #include <rmm/mr/device/per_device_resource.hpp>
26 #include <rmm/resource_ref.hpp>
28 #include <thrust/pair.h>
81 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
100 template <
typename B>
107 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource())
110 return std::make_unique<column>(type,
113 std::forward<B>(null_mask),
139 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
157 template <
typename B>
164 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource())
167 return std::make_unique<column>(type,
170 std::forward<B>(null_mask),
197 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
216 template <
typename B>
223 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource())
226 return std::make_unique<column>(type,
229 std::forward<B>(null_mask),
256 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
275 template <
typename B>
282 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource())
285 return std::make_unique<column>(type,
288 std::forward<B>(null_mask),
315 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
334 template <
typename B>
341 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource())
380 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
412 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
432 std::unique_ptr<column> offsets_column,
433 rmm::device_buffer&& chars_buffer,
435 rmm::device_buffer&& null_mask);
495 std::unique_ptr<column> offsets_column,
496 std::unique_ptr<column> child_column,
498 rmm::device_buffer&& null_mask,
500 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
527 std::vector<std::unique_ptr<column>>&& child_columns,
529 rmm::device_buffer&& null_mask,
531 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
551 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
571 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
Indicator for the logical data type of an element in a column.
An owning class to represent a singular value.
A non-owning, immutable view of device data that is a variable length char array representing a UTF-8...
Class definition for cudf::column.
std::unique_ptr< cudf::column > make_structs_column(size_type num_rows, std::vector< std::unique_ptr< column >> &&child_columns, size_type null_count, rmm::device_buffer &&null_mask, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct a STRUCT column using specified child columns as members.
std::unique_ptr< column > make_column_from_scalar(scalar const &s, size_type size, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct a column with size elements that are all equal to the given scalar.
std::unique_ptr< column > make_fixed_point_column(data_type type, size_type size, mask_state state=mask_state::UNALLOCATED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct column with sufficient uninitialized storage to hold size elements of the specified fixed_p...
std::unique_ptr< column > make_numeric_column(data_type type, size_type size, mask_state state=mask_state::UNALLOCATED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct column with sufficient uninitialized storage to hold size elements of the specified numeric...
std::unique_ptr< column > make_empty_column(data_type type)
Creates an empty column of the specified type.
std::unique_ptr< column > make_strings_column(cudf::device_span< thrust::pair< char const *, size_type > const > strings, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct a STRING type column given a device span of pointer/size pairs.
std::unique_ptr< column > make_timestamp_column(data_type type, size_type size, mask_state state=mask_state::UNALLOCATED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct column with sufficient uninitialized storage to hold size elements of the specified timesta...
std::unique_ptr< column > make_dictionary_from_scalar(scalar const &s, size_type size, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct a dictionary column with size elements that are all equal to the given scalar.
std::unique_ptr< column > make_duration_column(data_type type, size_type size, mask_state state=mask_state::UNALLOCATED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct column with sufficient uninitialized storage to hold size elements of the specified duratio...
std::unique_ptr< column > make_fixed_width_column(data_type type, size_type size, mask_state state=mask_state::UNALLOCATED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct column with sufficient uninitialized storage to hold size elements of the specified fixed w...
std::unique_ptr< cudf::column > make_lists_column(size_type num_rows, std::unique_ptr< column > offsets_column, std::unique_ptr< column > child_column, size_type null_count, rmm::device_buffer &&null_mask, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct a LIST type column given offsets column, child column, null mask and null count.
cudf::size_type null_count(bitmask_type const *bitmask, size_type start, size_type stop, rmm::cuda_stream_view stream=cudf::get_default_stream())
Given a validity bitmask, counts the number of null elements (unset bits) in the range [start,...
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
#define CUDF_EXPECTS(...)
Macro for checking (pre-)conditions that throws an exception when a condition is violated.
constexpr bool is_fixed_point()
Indicates whether the type T is a fixed-point type.
int32_t size_type
Row index type for columns and tables.
mask_state
Controls the allocation/initialization of a null mask.
constexpr bool is_duration()
Indicates whether the type T is a duration type.
std::size_t size_of(data_type t)
Returns the size in bytes of elements of the specified data_type
constexpr bool is_numeric()
Indicates whether the type T is a numeric type.
constexpr bool is_timestamp()
Indicates whether the type T is a timestamp type.
constexpr bool is_fixed_width()
Indicates whether elements of type T are fixed-width.
type_id
Identifies a column's logical element type.
@ UNALLOCATED
Null mask not allocated, (all elements are valid)
Device version of C++20 std::span with reduced feature set.
Type declarations for libcudf.