variant.hpp File Reference

Utilities for Parquet VARIANT columns read as struct of list<uint8> children. More...

#include <cudf/column/column.hpp>
#include <cudf/column/column_view.hpp>
#include <cudf/io/experimental/variant_spec.hpp>
#include <cudf/types.hpp>
#include <cudf/utilities/default_stream.hpp>
#include <cudf/utilities/memory_resource.hpp>
#include <cuda/stream>
#include <memory>
#include <optional>
#include <string_view>

Go to the source code of this file.

Namespaces
	cudf
	cuDF interfaces
	cudf::io
	IO interfaces.

Functions
std::unique_ptr< column >	cudf::io::parquet::experimental::get_variant_field (column_view const &variant_column, std::string_view path, std::optional< mutable_column_view > status=std::nullopt, cuda::stream_ref stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Extract the raw VARIANT-encoded bytes of a nested field by JSONPath-like path. More...
std::unique_ptr< column >	cudf::io::parquet::experimental::cast_variant (column_view const &values, data_type desired_type, std::optional< mutable_column_view > status=std::nullopt, cuda::stream_ref stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Decode a VARIANT value column's blobs into a typed cuDF column. More...
std::unique_ptr< column >	cudf::io::parquet::experimental::extract_variant_field (column_view const &variant_column, std::string_view path, data_type desired_type, std::optional< mutable_column_view > status=std::nullopt, cuda::stream_ref stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Convenience wrapper: extract a nested object value by path and decode into a typed column. More...
std::unique_ptr< column >	cudf::io::parquet::experimental::get_variant_type_id (column_view const &values, cuda::stream_ref stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Return the logical type of each VARIANT value blob in a list<uint8> column. More...

Detailed Description

Utilities for Parquet VARIANT columns read as struct of list<uint8> children.

Definition in file variant.hpp.