cudf::detail::lists_column_device_view Class Reference

Given a column_device_view, an instance of this class provides a wrapper on this compound column for list operations. Analogous to list_column_view. More...

Inheritance diagram for cudf::detail::lists_column_device_view:

Public Member Functions
	lists_column_device_view (lists_column_device_view const &)=default
	Copy constructor.
	lists_column_device_view (lists_column_device_view &&)=default
	Move constructor.
lists_column_device_view &	operator= (lists_column_device_view const &)=default
	Copy assignment operator. More...
lists_column_device_view &	operator= (lists_column_device_view &&)=default
	Move assignment operator. More...
CUDF_HOST_DEVICE	lists_column_device_view (column_device_view const &underlying_)
	Construct a new lists column device view object from a column device view. More...
column_device_view	offsets () const
	Fetches the offsets column of the underlying list column. More...
size_type	offset_at (size_type idx) const
	Fetches the list offset value at a given row index while taking column offset into account. More...
column_device_view	child () const
	Fetches the child column of the underlying list column. More...
column_device_view	get_sliced_child () const
	Fetches the child column of the underlying list column with offset and size applied. More...

Detailed Description

Given a column_device_view, an instance of this class provides a wrapper on this compound column for list operations. Analogous to list_column_view.

Definition at line 32 of file lists_column_device_view.cuh.

Constructor & Destructor Documentation

lists_column_device_view()

CUDF_HOST_DEVICE cudf::detail::lists_column_device_view::lists_column_device_view ( column_device_view const &  underlying_ )

inline

Construct a new lists column device view object from a column device view.

Parameters

underlying_

The column device view to wrap

Definition at line 56 of file lists_column_device_view.cuh.

Member Function Documentation

child()

column_device_view cudf::detail::lists_column_device_view::child ( ) const

inline

Fetches the child column of the underlying list column.

Returns

The child column of the underlying list column

Definition at line 100 of file lists_column_device_view.cuh.

get_sliced_child()

column_device_view cudf::detail::lists_column_device_view::get_sliced_child ( ) const

inline

Fetches the child column of the underlying list column with offset and size applied.

Returns

The child column sliced relative to the parent's offset and size

Definition at line 110 of file lists_column_device_view.cuh.

offset_at()

size_type cudf::detail::lists_column_device_view::offset_at ( size_type  idx ) const

inline

Fetches the list offset value at a given row index while taking column offset into account.

Parameters

idx	The row index to fetch the list offset value at

Returns

The list offset value at a given row index while taking column offset into account

Definition at line 90 of file lists_column_device_view.cuh.

offsets()

column_device_view cudf::detail::lists_column_device_view::offsets ( ) const

inline

Fetches the offsets column of the underlying list column.

Returns

The offsets column of the underlying list column

Definition at line 78 of file lists_column_device_view.cuh.

operator=() [1/2]

lists_column_device_view& cudf::detail::lists_column_device_view::operator= ( lists_column_device_view &&  )

default

Move assignment operator.

Returns

The reference to this lists column device view

operator=() [2/2]

lists_column_device_view& cudf::detail::lists_column_device_view::operator= ( lists_column_device_view const &  )

default

Copy assignment operator.

Returns

The reference to this lists column device view

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The documentation for this class was generated from the following file:

• lists_column_device_view.cuh