implemented lazy loading for object_ptr and belongs_to

source/orm/sql/internal/identifier_reader.cpp

@@ -0,0 +1,6 @@
+#include "matador/sql/internal/identifier_reader.hpp"
+
+namespace matador::sql::internal {
+identifier_reader::identifier_reader(query_result_reader &reader)
+: reader_(reader) {}
+}

source/orm/sql/internal/identifier_statement_binder.cpp

@@ -0,0 +1,56 @@
+#include "matador/sql/internal/identifier_statement_binder.hpp"
+
+#include "matador/sql/statement.hpp"
+
+namespace matador::sql {
+identifier_statement_binder::identifier_statement_binder(statement &stmt, const size_t index)
+: stmt_(stmt)
+, index_(index) {}
+
+void identifier_statement_binder::bind(const utils::identifier &id) {
+  id.serialize(*this);
+}
+
+void identifier_statement_binder::serialize(int8_t &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(int16_t &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(int32_t &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(int64_t &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(uint8_t &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(uint16_t &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(uint32_t &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(uint64_t &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(const char *value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(std::string &value, const utils::field_attributes &) {
+  stmt_.bind(index_, value);
+}
+
+void identifier_statement_binder::serialize(utils::null_type_t &/*value*/, const utils::field_attributes &) {
+}
+}

source/orm/sql/internal/resolver_producer.cpp

@@ -0,0 +1,10 @@
+#include "matador/sql/internal/resolver_producer.hpp"
+
+namespace matador::sql {
+const std::type_index & resolver_producer::type() const {
+  return type_;
+}
+
+resolver_producer::resolver_producer(const std::type_index &type)
+: type_(type) {}
+}