The qx-sqlconcepts header file provides a set of concepts that are specific to the Qx SQL module.

#include <concepts>
#include <QVariant>
#include <QSqlQuery>
#include "qx/sql/qx-sqlerror.h"
#include "qx/utility/qx-stringliteral.h"

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Namespaces
namespace	QxSql
	The `QxSql` namespace contains several utilities that are specific to the SQL module and grouped together for better organization and encapsulation when making use of `using` directives.

Concepts
concept	QxSql::sql_struct_inside
	Specifies that a type is a SQL-tied struct registered with QX_SQL_STRUCT().

concept	QxSql::sql_struct_outside
	Specifies that a type is a SQL-tied struct registered with QX_SQL_STRUCT_OUTSIDE().

concept	QxSql::sql_struct
	Specifies that a type is a SQL-tied struct.

concept	QxSql::sql_convertible
	Specifies that a type is generally convertible to/from SQL.

concept	QxSql::sql_override_convertible
	Specifies that a type has override conversions for changing to/from SQL.

concept	QxSql::sql_keyable
	Specifies that a type has a known method for creating a corresponding key.

concept	QxSql::sql_collective
	Specifies that a type is a non-associative container, the value type of which is convertible to/from SQL.

concept	QxSql::sql_associative
	Specifies that a type is an associative container, the value type of which is convertible, to/from SQL, and for which a key/value type specializaton of keygen() exists.

concept	QxSql::sql_containing
	Specifies that a type is a container, and abides by the other corresponding restrictions for that kind of a container.

concept	QxSql::sql_optional
	Specifies that a type is a specialization of std::optional that manages values of a SQL convertible type.

Namespaces

Concepts