93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
#ifndef QUERY_COLUMN_HPP
|
|
#define QUERY_COLUMN_HPP
|
|
|
|
#include "matador/sql/any_type.hpp"
|
|
#include "matador/sql/types.hpp"
|
|
|
|
#include "matador/utils/field_attributes.hpp"
|
|
|
|
#include <any>
|
|
|
|
namespace matador::sql {
|
|
|
|
class column {
|
|
public:
|
|
explicit column(std::string name)
|
|
: name_(std::move(name))
|
|
, attributes_(utils::null_attributes) {}
|
|
|
|
template<typename Type>
|
|
explicit column(std::string name, utils::field_attributes attr = utils::null_attributes)
|
|
: column(std::move(name), data_type_traits<Type>::builtin_type(attr.size()), attr)
|
|
{}
|
|
template<typename Type>
|
|
column(std::string name, const Type &, utils::field_attributes attr = utils::null_attributes)
|
|
: column(std::move(name), data_type_traits<Type>::builtin_type(attr.size()), attr)
|
|
{}
|
|
column(std::string name, data_type_t type, utils::field_attributes attr = utils::null_attributes);
|
|
template<typename Type>
|
|
column(std::string name, std::string ref_table, std::string ref_column, utils::field_attributes attr = utils::null_attributes)
|
|
: column(std::move(name), data_type_traits<Type>::builtin_type(attr.size()), ref_table, ref_column, attr)
|
|
{}
|
|
column(std::string name, data_type_t type, std::string ref_table, std::string ref_column, utils::field_attributes attr = utils::null_attributes);
|
|
|
|
[[nodiscard]] const std::string& name() const;
|
|
[[nodiscard]] const utils::field_attributes& attributes() const;
|
|
[[nodiscard]] data_type_t type() const;
|
|
[[nodiscard]] const std::string& ref_table() const;
|
|
[[nodiscard]] const std::string& ref_column() const;
|
|
|
|
private:
|
|
std::string name_;
|
|
utils::field_attributes attributes_;
|
|
data_type_t type_{};
|
|
any_type value_;
|
|
std::string ref_table_;
|
|
std::string ref_column_;
|
|
};
|
|
|
|
/**
|
|
* User defined literal to have a shortcut creating a column object
|
|
* @param name Name of the column
|
|
* @param len Length of the column name
|
|
* @return A column object with given name
|
|
*/
|
|
column operator "" _col(const char *name, size_t len);
|
|
|
|
column make_column(const std::string &name, data_type_t type, utils::field_attributes attr = utils::null_attributes);
|
|
|
|
template < typename Type >
|
|
column make_column(const std::string &name, utils::field_attributes attr = utils::null_attributes)
|
|
{
|
|
return make_column(name, data_type_traits<Type>::builtin_type(0), attr);
|
|
}
|
|
template <>
|
|
column make_column<std::string>(const std::string &name, utils::field_attributes attr);
|
|
|
|
template < typename Type >
|
|
column make_pk_column(const std::string &name, size_t size = 0)
|
|
{
|
|
return make_column<Type>(name, { size, utils::constraints::PRIMARY_KEY | utils::constraints::NOT_NULL});
|
|
}
|
|
|
|
template <>
|
|
column make_pk_column<std::string>(const std::string &name, size_t size);
|
|
|
|
template < typename Type >
|
|
column make_fk_column(const std::string &name, size_t size, const std::string &ref_table, const std::string &ref_column)
|
|
{
|
|
return {name, data_type_traits<Type>::builtin_type(size), ref_table, ref_column, { size, utils::constraints::FOREIGN_KEY }};
|
|
}
|
|
|
|
template < typename Type >
|
|
[[maybe_unused]] column make_fk_column(const std::string &name, const std::string &ref_table, const std::string &ref_column)
|
|
{
|
|
return {name, data_type_traits<Type>::builtin_type(0), ref_table, ref_column, { 0, utils::constraints::FOREIGN_KEY }};
|
|
}
|
|
|
|
template <>
|
|
column make_fk_column<std::string>(const std::string &name, size_t size, const std::string &ref_table, const std::string &ref_column);
|
|
|
|
}
|
|
#endif //QUERY_COLUMN_HPP
|