nullable_column.hpp File Reference

Table of Contents

• Classes
• Namespaces
• Functions
• Detailed Description

Nullable column support. More...

#include <optional>
#include <utility>
#include <userver/utils/assert.hpp>
#include <userver/storages/clickhouse/io/columns/column_includes.hpp>
#include <userver/storages/clickhouse/io/columns/common_columns.hpp>

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Classes
struct	storages::clickhouse::io::columns::NullableColumnMeta
class	storages::clickhouse::io::columns::NullableColumn< T >
	Represents ClickHouse Nullable(T) column, where T is a ClickhouseColumn as well. More...
class	storages::clickhouse::io::columns::NullableColumn< T >::NullableDataHolder

Namespaces
namespace	storages
	Components, clients and helpers for different databases and storages.
namespace	storages::clickhouse
	Top namespace for uClickHouse driver.
namespace	storages::clickhouse::io
	uClickHouse input-output.
namespace	storages::clickhouse::io::columns
	uClickHouse columns.

Functions
NullableColumnMeta	storages::clickhouse::io::columns::ExtractNullableMeta (const ColumnRef &column)
ColumnRef	storages::clickhouse::io::columns::ConvertMetaToColumn (NullableColumnMeta &&meta)

Detailed Description

Nullable column support.

Definition in file nullable_column.hpp.