cudf::io::parquet_column_schema Struct Reference

Schema of a parquet column, including the nested columns. More...

#include <parquet_metadata.hpp>

Public Member Functions
	parquet_column_schema ()=default
	Default constructor. More...
	parquet_column_schema (std::string_view name, parquet::TypeKind type, std::vector< parquet_column_schema > children)
	constructor More...
auto	name () const
	Returns parquet column name; can be empty. More...
auto	type_kind () const
	Returns parquet type of the column. More...
auto const &	children () const &
	Returns schemas of all child columns. More...
auto	children () &&
	Returns schemas of all child columns. More...
auto const &	child (int idx) const &
	Returns schema of the child with the given index. More...
auto	child (int idx) &&
	Returns schema of the child with the given index. More...
auto	num_children () const
	Returns the number of child columns. More...

Detailed Description

Schema of a parquet column, including the nested columns.

Definition at line 60 of file parquet_metadata.hpp.

Constructor & Destructor Documentation

parquet_column_schema() [1/2]

cudf::io::parquet_column_schema::parquet_column_schema ( )

explicitdefault

Default constructor.

This has been added since Cython requires a default constructor to create objects on stack.

parquet_column_schema() [2/2]

cudf::io::parquet_column_schema::parquet_column_schema ( std::string_view  name, parquet::TypeKind  type, std::vector< parquet_column_schema >  children  )

inline

constructor

Parameters

name	column name
type	parquet type
children	child columns (empty for non-nested types)

Definition at line 76 of file parquet_metadata.hpp.

Member Function Documentation

child() [1/2]

auto cudf::io::parquet_column_schema::child ( int  idx ) &&

inline

Returns schema of the child with the given index.

Parameters

idx	child index

Returns

Child schema Child is moved out of the object (rvalues only).

Definition at line 123 of file parquet_metadata.hpp.

child() [2/2]

auto const& cudf::io::parquet_column_schema::child ( int  idx ) const &

inline

Returns schema of the child with the given index.

Parameters

idx	child index

Returns

Child schema

Definition at line 117 of file parquet_metadata.hpp.

children() [1/2]

auto cudf::io::parquet_column_schema::children ( ) &&

inline

Returns schemas of all child columns.

Returns

Children schemas Children array is moved out of the object (rvalues only).

Definition at line 108 of file parquet_metadata.hpp.

children() [2/2]

auto const& cudf::io::parquet_column_schema::children ( ) const &

inline

Returns schemas of all child columns.

Returns

Children schemas

Definition at line 102 of file parquet_metadata.hpp.

name()

auto cudf::io::parquet_column_schema::name ( ) const

inline

Returns parquet column name; can be empty.

Returns

Column name

Definition at line 88 of file parquet_metadata.hpp.

num_children()

auto cudf::io::parquet_column_schema::num_children ( ) const

inline

Returns the number of child columns.

Returns

Children count

Definition at line 130 of file parquet_metadata.hpp.

type_kind()

auto cudf::io::parquet_column_schema::type_kind ( ) const

inline

Returns parquet type of the column.

Returns

Column parquet type

Definition at line 95 of file parquet_metadata.hpp.

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

• parquet_metadata.hpp