sqt::CompositeColumn< COLUMNS > Class Template Reference

Description

template<ColumnType... COLUMNS>
class sqt::CompositeColumn< COLUMNS >

The primary template for defining composite column types for various number of columns.

Template Parameters

COLUMNS

The column types that compose the composite column. They must satisfy the sqt::ColumnType concept.

Depending on the number of columns, there are two specializations of this template:

• sqt::CompositeColumn<FIRST, REST...>: This specialization is used when there are multiple columns.
• sqt::CompositeColumn<SINGLE>: This specialization is used when there is only one column.

They both satisfy the sqt::CompositeColumnType concept.

See also

sqt::CompositeColumn<FIRST, REST...>

sqt::CompositeColumn<SINGLE>

sqt::CompositeColumnType