72 lines
3.0 KiB
C
72 lines
3.0 KiB
C
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#pragma once
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#include <tuple> // std::tuple, std::make_tuple, std::declval, std::tuple_element_t
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#include <string> // std::string
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#include <utility> // std::forward
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#include "functional/cxx_universal.h"
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#include "tuple_helper/tuple_filter.h"
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#include "indexed_column.h"
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#include "table_type_of.h"
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namespace sqlite_orm {
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namespace internal {
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struct index_base {
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std::string name;
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bool unique = false;
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#ifndef SQLITE_ORM_AGGREGATE_NSDMI_SUPPORTED
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index_base(std::string name, bool unique) : name{std::move(name)}, unique{unique} {}
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#endif
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};
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template<class T, class... Els>
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struct index_t : index_base {
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using elements_type = std::tuple<Els...>;
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using object_type = void;
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using table_mapped_type = T;
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#ifndef SQLITE_ORM_AGGREGATE_BASES_SUPPORTED
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index_t(std::string name_, bool unique_, elements_type elements_) :
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index_base{std::move(name_), unique_}, elements(std::move(elements_)) {}
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#endif
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elements_type elements;
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};
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}
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template<class T, class... Cols>
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internal::index_t<T, decltype(internal::make_indexed_column(std::declval<Cols>()))...> make_index(std::string name,
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Cols... cols) {
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using cols_tuple = std::tuple<Cols...>;
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static_assert(internal::count_tuple<cols_tuple, internal::is_where>::value <= 1,
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"amount of where arguments can be 0 or 1");
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SQLITE_ORM_CLANG_SUPPRESS_MISSING_BRACES(
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return {std::move(name), false, std::make_tuple(internal::make_indexed_column(std::move(cols))...)});
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}
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template<class... Cols>
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internal::index_t<internal::table_type_of_t<typename std::tuple_element_t<0, std::tuple<Cols...>>>,
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decltype(internal::make_indexed_column(std::declval<Cols>()))...>
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make_index(std::string name, Cols... cols) {
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using cols_tuple = std::tuple<Cols...>;
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static_assert(internal::count_tuple<cols_tuple, internal::is_where>::value <= 1,
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"amount of where arguments can be 0 or 1");
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SQLITE_ORM_CLANG_SUPPRESS_MISSING_BRACES(
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return {std::move(name), false, std::make_tuple(internal::make_indexed_column(std::move(cols))...)});
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}
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template<class... Cols>
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internal::index_t<internal::table_type_of_t<typename std::tuple_element_t<0, std::tuple<Cols...>>>,
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decltype(internal::make_indexed_column(std::declval<Cols>()))...>
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make_unique_index(std::string name, Cols... cols) {
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using cols_tuple = std::tuple<Cols...>;
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static_assert(internal::count_tuple<cols_tuple, internal::is_where>::value <= 1,
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"amount of where arguments can be 0 or 1");
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SQLITE_ORM_CLANG_SUPPRESS_MISSING_BRACES(
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return {std::move(name), true, std::make_tuple(internal::make_indexed_column(std::move(cols))...)});
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}
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}
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