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attaching schema nodes progress

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This commit is contained in:
Sascha Kühl
2025-07-14 15:57:14 +02:00
parent 1b2847696d
commit 0d93b9b1ed
19 changed files with 182 additions and 91 deletions
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include/matador/object/relation_completer.hpp
+12 -14
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@@ -129,17 +129,16 @@ void relation_completer<Type>::on_has_many(const char *id, CollectionType &,
if (const auto endpoint = nodes_.top()->info().find_relation_endpoint(typeid(relation_value_type)); endpoint == nodes_.top()->info().endpoint_end()) {
// Endpoint was not found
log_.debug("node '%s' has has many foreign keys '%s' mapped by '%s'", nodes_.top()->name().c_str(), id, join_column);
const auto node = schema_node::make_relation_node<relation_value_type>(
result = schema_node::make_relation_node<relation_value_type>(
schema_.schema(), id, [join_column] {
return std::make_unique<relation_value_type>(join_column, "id");
return std::make_unique<relation_value_type>("id", join_column);
});
result = schema_.attach_node(node);
if (!result) {
// Todo: throw internal error
return;
}
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, nodes_.top());
const auto foreign_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BELONGS_TO, node);
const auto foreign_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BELONGS_TO, result.value());
nodes_.top()->info_->register_relation_endpoint(typeid(value_type), local_endpoint);
foreign_endpoint->node_->info_->register_relation_endpoint(nodes_.top()->type_index(), foreign_endpoint);
link_relation_endpoints(local_endpoint, foreign_endpoint);
@@ -171,18 +170,17 @@ void relation_completer<Type>::on_has_many(const char *id, CollectionType &, con
using value_type = typename CollectionType::value_type;
using relation_value_type = many_to_relation<Type, value_type>;
const auto node = schema_node::make_relation_node<relation_value_type>(
const auto result = schema_node::make_relation_node<relation_value_type>(
schema_.schema(), id, [join_column] {
return std::make_unique<relation_value_type>(join_column, "value");
});
const auto result = schema_.attach_node(node);
if (!result) {
// Todo: throw internal exception
}
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, nodes_.top());
const auto foreign_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BELONGS_TO, node);
const auto foreign_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BELONGS_TO, result.value());
nodes_.top()->info_->register_relation_endpoint(typeid(value_type), local_endpoint);
foreign_endpoint->node_->info_->register_relation_endpoint(nodes_.top()->type_index(), foreign_endpoint);
link_relation_endpoints(local_endpoint, foreign_endpoint);
@@ -210,13 +208,18 @@ void relation_completer<Type>::on_has_many_to_many(const char *id,
}
link_relation_endpoints(local_endpoint, it->second);
} else {
// Relation not not found.
// Relation not found.
auto creator = [join_column, inverse_join_column] {
return std::make_unique<relation_value_type>(join_column, inverse_join_column);
};
auto node = schema_node::make_relation_node<relation_value_type>(schema_.schema(), id, std::move(creator));
result = schema_node::make_relation_node<relation_value_type>(schema_.schema(), id, std::move(creator));
if (!result) {
// Todo: throw internal error
return;
}
auto& node = result.value();
auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, nodes_.top());
auto join_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BELONGS_TO, node);
auto inverse_join_endpoint = std::make_shared<relation_endpoint>(inverse_join_column, relation_type::BELONGS_TO,
@@ -226,11 +229,6 @@ void relation_completer<Type>::on_has_many_to_many(const char *id,
link_relation_endpoints(local_endpoint, join_endpoint);
node->info_->register_relation_endpoint(typeid(typename CollectionType::value_type::value_type),
inverse_join_endpoint);
result = schema_.attach_node(node);
if (!result) {
// Todo: throw internal error
return;
}
}
}