sqt::WhereDecorator< QUERIER, PREDICATE > Class Template Reference

#include <sqt/orm/querier/where_decorator.h>

Description

template<QuerierType QUERIER, PredicateType PREDICATE>
class sqt::WhereDecorator< QUERIER, PREDICATE >

A querier decorator that adds a WHERE clause to the SQL statement of the decorated querier.

Template Parameters

QUERIER	The querier type to be decorated, which must satisfy the sqt::QuerierType concept.
PREDICATE	The predicate type to be applied in the WHERE clause. It must satisfy the sqt::PredicateType concept.

To create instances of this class template, use the Where() method of the sqt::WhereCapability<> class template, which is a mixin for queriers that support the WHERE clause.

This class template satisfies the sqt::QuerierType concept.

See also

sqt::PredicateType

sqt::QuerierType

sqt::WhereCapability<>

Static Public Member Functions
static std::string_view	BuildSQL ()
static constexpr auto	BuildPlaceholderBinders () noexcept

Public Member Functions
constexpr	WhereDecorator (QUERIER QUERIER, PREDICATE predicate)
void	BindInlineParameters (Statement &statement) const

Static Public Attributes
static constexpr std::size_t	ParameterIndex
static constexpr std::size_t	ParameterCount = PREDICATE::ParameterCount