81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
#ifndef QUERY_COLUMN_DEFINITION_HPP
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#define QUERY_COLUMN_DEFINITION_HPP
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#include "matador/utils/basic_types.hpp"
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#include "matador/utils/default_type_traits.hpp"
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#include "matador/utils/field_attributes.hpp"
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#include <memory>
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#include <ostream>
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namespace matador::object {
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enum class null_option_type : uint8_t {
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Nullable, NotNull
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};
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class object;
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class attribute_generator;
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class attribute {
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public:
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explicit attribute(std::string name); // NOLINT(*-explicit-constructor)
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attribute(const attribute&) = default;
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attribute& operator=(const attribute&) = default;
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attribute(attribute&&) noexcept = default;
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attribute& operator=(attribute&&) noexcept = default;
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attribute() = default;
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attribute(std::string name,
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utils::basic_type type,
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const utils::field_attributes &attr = utils::null_attributes,
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null_option_type null_opt = null_option_type::NotNull);
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[[nodiscard]] const std::string& name() const;
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void name(const std::string& n);
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[[nodiscard]] std::string full_name() const;
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[[nodiscard]] const utils::field_attributes& attributes() const;
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[[nodiscard]] utils::field_attributes& attributes();
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[[nodiscard]] bool is_nullable() const;
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[[nodiscard]] utils::basic_type type() const;
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[[nodiscard]] std::shared_ptr<object> owner() const;
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void change_type(utils::basic_type type, const utils::field_attributes &attr = utils::null_attributes);
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template < typename Type >
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void change_type(const utils::field_attributes &attr = utils::null_attributes) {
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type_ = utils::data_type_traits<Type>::type(attr.size());
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}
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[[nodiscard]] bool is_integer() const;
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[[nodiscard]] bool is_floating_point() const;
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[[nodiscard]] bool is_bool() const;
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[[nodiscard]] bool is_string() const;
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[[nodiscard]] bool is_varchar() const;
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[[nodiscard]] bool is_date() const;
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[[nodiscard]] bool is_time() const;
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[[nodiscard]] bool is_blob() const;
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[[nodiscard]] bool is_null() const;
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template< typename Type >
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[[nodiscard]] bool is_type_of() const {
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return type() == utils::data_type_traits<Type>::type(attributes().size());
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}
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friend std::ostream& operator<<(std::ostream& os, const attribute& attr);
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private:
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friend class object;
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friend class attribute_generator;
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friend class object_generator;
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std::string name_;
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std::shared_ptr<object> owner_;
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utils::basic_type type_{utils::basic_type::Null};
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utils::field_attributes options_{};
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null_option_type null_option_{null_option_type::NotNull};
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};
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}
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#endif //QUERY_COLUMN_DEFINITION_HPP
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