storages::clickhouse::io::columns::NullableColumn< T > Class Template Reference

#include <userver/storages/clickhouse/io/columns/nullable_column.hpp>

Detailed Description

template<typename T>
class storages::clickhouse::io::columns::NullableColumn< T >

Represents ClickHouse Nullable(T) column, where T is a ClickhouseColumn as well.

Definition at line 31 of file nullable_column.hpp.

Inheritance diagram for storages::clickhouse::io::columns::NullableColumn< T >:

Classes
class	NullableDataHolder

Public Types
using	cpp_type = std::optional<typename T::cpp_type>
using	container_type = std::vector<cpp_type>
using	iterator_data = NullableDataHolder
using	iterator

Public Member Functions
	NullableColumn (ColumnRef column)
iterator	begin () const
iterator	end () const
size_t	Size () const

Static Public Member Functions
static ColumnRef	Serialize (const container_type &from)

Member Typedef Documentation

container_type

template<typename T>

using storages::clickhouse::io::columns::NullableColumn< T >::container_type = std::vector<cpp_type>

Definition at line 34 of file nullable_column.hpp.

cpp_type

template<typename T>

using storages::clickhouse::io::columns::NullableColumn< T >::cpp_type = std::optional<typename T::cpp_type>

Definition at line 33 of file nullable_column.hpp.

iterator

using storages::clickhouse::io::columns::ClickhouseColumn< NullableColumn< T > >::iterator

inherited

Definition at line 30 of file base_column.hpp.

iterator_data

template<typename T>

using storages::clickhouse::io::columns::NullableColumn< T >::iterator_data = NullableDataHolder

Definition at line 62 of file nullable_column.hpp.

Constructor & Destructor Documentation

NullableColumn()

template<typename T>

storages::clickhouse::io::columns::NullableColumn< T >::NullableColumn

(

ColumnRef

column

)

Definition at line 70 of file nullable_column.hpp.

Member Function Documentation

begin()

iterator storages::clickhouse::io::columns::ClickhouseColumn< NullableColumn< T > >::begin ( ) const

inlineinherited

Definition at line 34 of file base_column.hpp.

end()

iterator storages::clickhouse::io::columns::ClickhouseColumn< NullableColumn< T > >::end ( ) const

inlineinherited

Definition at line 36 of file base_column.hpp.

Serialize()

template<typename T>

ColumnRef storages::clickhouse::io::columns::NullableColumn< T >::Serialize ( const container_type & from )

static

Definition at line 128 of file nullable_column.hpp.

Size()

size_t storages::clickhouse::io::columns::ClickhouseColumn< NullableColumn< T > >::Size ( ) const

inlineinherited

Definition at line 38 of file base_column.hpp.

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

• userver/storages/clickhouse/io/columns/nullable_column.hpp