schema creation progress

This commit is contained in:
Sascha Kühl 2025-12-07 22:18:01 +01:00
parent 2e354b435c
commit 2fcb504b9a
11 changed files with 336 additions and 168 deletions

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@ -2,6 +2,7 @@
#define FOREIGN_NODE_COMPLETER_HPP
#include "matador/object/internal/shadow_repository.hpp"
#include "matador/object/many_to_many_relation.hpp"
#include "matador/object/repository_node.hpp"
#include "matador/object/join_columns_collector.hpp"
#include "matador/object/object_ptr.hpp"
@ -12,125 +13,214 @@
#include <stack>
namespace matador::object {
#include "repository.hpp"
namespace matador::object {
/**
* Processes the given node and ensures
* that all foreign nodes needed by the given node
* relations are attached in schema.
*/
template < typename NodeType >
template<typename NodeType>
class foreign_node_completer final {
private:
using node_ptr = std::shared_ptr<repository_node>;
using node_ptr = std::shared_ptr<repository_node>;
public:
template<class Type>
static void complete(const std::shared_ptr<repository_node> &node) {
internal::shadow_repository shadow(node->repo_);
foreign_node_completer<Type> completer(shadow);
template<class Type>
static void complete(const std::shared_ptr<repository_node> &node) {
internal::shadow_repository shadow(node->repo_);
foreign_node_completer<Type> completer(shadow);
completer.complete_node(node);
}
completer.complete_node(node);
}
template<class PrimaryKeyType>
static void on_primary_key(const char * /*id*/, PrimaryKeyType &/*pk*/, const utils::primary_key_attribute& /*attr*/ = utils::default_pk_attributes) {}
static void on_revision(const char * /*id*/, uint64_t &/*rev*/) {}
template<typename AttributeType>
static void on_attribute(const char * /*id*/, AttributeType &/*val*/, const utils::field_attributes &/*attr*/ = utils::null_attributes) {}
template<typename AttributeType>
static void on_attribute(const char * /*id*/, std::optional<AttributeType> &/*val*/, const utils::field_attributes &/*attr*/ = utils::null_attributes) {}
template<class PrimaryKeyType>
static void on_primary_key(const char * /*id*/, PrimaryKeyType &/*pk*/, const utils::primary_key_attribute & /*attr*/ = utils::default_pk_attributes) {}
static void on_revision(const char * /*id*/, uint64_t &/*rev*/) {}
template<typename AttributeType>
static void on_attribute(const char * /*id*/, AttributeType &/*val*/, const utils::field_attributes &/*attr*/ = utils::null_attributes) {}
template<typename AttributeType>
static void on_attribute(const char * /*id*/, std::optional<AttributeType> &/*val*/, const utils::field_attributes &/*attr*/ = utils::null_attributes) {}
template<class ForeignPointerType>
void on_belongs_to(const char *id, ForeignPointerType &/*obj*/, const utils::foreign_attributes &/*attr*/);
template<class ForeignPointerType>
void on_has_one(const char * /*id*/, ForeignPointerType &/*obj*/, const utils::foreign_attributes &/*attr*/);
template<class CollectionType>
void on_has_many(const char *id, CollectionType &,
const char *join_column,
const utils::foreign_attributes &attr,
std::enable_if_t<is_object_ptr<typename CollectionType::value_type>::value> * = nullptr);
template<class ForeignPointerType>
void on_belongs_to(const char *id, ForeignPointerType &/*obj*/, const utils::foreign_attributes &/*attr*/);
template<class ForeignPointerType>
void on_has_one(const char * /*id*/, ForeignPointerType &/*obj*/, const utils::foreign_attributes &/*attr*/);
template<class CollectionType>
void on_has_many(const char * /*id*/,
CollectionType &,
const char * /*join_column*/,
const utils::foreign_attributes & /*attr*/,
std::enable_if_t<!is_object_ptr<typename CollectionType::value_type>::value> * = nullptr) {
}
template<class CollectionType>
void on_has_many(const char *id, CollectionType &, const char *join_column, const utils::foreign_attributes &attr, std::enable_if_t<is_object_ptr<typename CollectionType::value_type>::value> * = nullptr);
template<class CollectionType>
void on_has_many(const char * /*id*/, CollectionType &, const char * /*join_column*/, const utils::foreign_attributes & /*attr*/, std::enable_if_t<!is_object_ptr<typename CollectionType::value_type>::value> * = nullptr) {}
template<class CollectionType>
void on_has_many_to_many(const char *id, CollectionType &collection, const char *join_column, const char *inverse_join_column, const utils::foreign_attributes &attr);
template<class CollectionType>
void on_has_many_to_many(const char *id, CollectionType &collection, const utils::foreign_attributes &attr);
template<class CollectionType>
void on_has_many_to_many(const char *id,
CollectionType &collection,
const char *join_column,
const char *inverse_join_column,
const utils::foreign_attributes &attr);
template<class CollectionType>
void on_has_many_to_many(const char *id, CollectionType &collection, const utils::foreign_attributes &attr);
private:
explicit foreign_node_completer(internal::shadow_repository &shadow)
: repo_(shadow)
, log_(logger::create_logger("node_completer")) {}
explicit foreign_node_completer(internal::shadow_repository &shadow)
: repo_(shadow)
, log_(logger::create_logger("node_completer")) {}
void complete_node(const std::shared_ptr<repository_node> &node) {
nodes_.push(node);
void complete_node(const std::shared_ptr<repository_node> &node) {
nodes_.push(node);
NodeType obj;
access::process(*this, obj);
nodes_.pop();
NodeType obj;
access::process(*this, obj);
nodes_.pop();
}
template<typename Type>
void attach_node(const std::string &name = "") {
if (repo_.contains(typeid(Type))) {
return;
}
const auto node = repository_node::make_node<Type>(repo_.repo(), name);
if (auto result = repo_.attach_node(node)) {
complete<Type>(result.value());
}
}
template<typename Type>
void attach_relation_node(const std::string &name, const std::string &join_column, const std::string &inverse_join_column) {
using relation_value_type = many_to_many_relation<Type, NodeType>;
using value_type = Type;
// Check if the object_ptr type is already inserted in the schema (by id)
auto result = repo_.find_node(typeid(value_type));
if (!result) {
// Todo: throw internal error or attach node
return;
}
template<typename Type>
void attach_node(const std::string &name = "") {
if (repo_.contains(typeid(Type))) {
return;
}
const auto node = repository_node::make_node<Type>(repo_.repo(), name);
if (auto result = repo_.attach_node(node)) {
complete<Type>(result.value());
}
const auto foreign_node = result.value();
result = repo_.find_node(name);
if (result) {
return;
}
// Relation does not exist. Create it.
auto creator = [join_column, inverse_join_column] {
return std::make_unique<relation_value_type>(join_column, inverse_join_column);
};
result = repository_node::make_relation_node<relation_value_type>(repo_.repo(), name, std::move(creator));
if (!result) {
// Todo: throw internal error
return;
}
template<typename Type>
void attach_relation_node(const std::string &name) {
if (repo_.contains(typeid(Type))) {
return;
}
const auto node = repository_node::make_node<Type>(repo_.repo(), "");
if (auto result = repo_.attach_node(node)) {
complete<Type>(result.value());
}
}
private:
template< typename Type >
friend class foreign_node_completer;
auto& node = result.value();
complete<relation_value_type>(result.value());
// auto& node = result.value();
const auto local_endpoint = std::make_shared<relation_endpoint>(name, relation_type::HasMany, node);
const auto join_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BelongsTo, nodes_.top());
const auto inverse_join_endpoint = std::make_shared<relation_endpoint>(inverse_join_column, relation_type::BelongsTo, foreign_node);
const auto foreign_endpoint = std::make_shared<relation_endpoint>(name, relation_type::HasMany, node);
// register relation endpoint in local node
nodes_.top()->info_->register_relation_endpoint(typeid(value_type), local_endpoint);
// register relation endpoint in foreign node
foreign_node->info_->register_relation_endpoint(nodes_.top()->type_index(), foreign_endpoint);
// register endpoints in relation node
node->info_->register_relation_endpoint(nodes_.top()->type_index(), join_endpoint);
node->info_->register_relation_endpoint(typeid(value_type), inverse_join_endpoint);
// link endpoints
link_relation_endpoints(local_endpoint, join_endpoint);
link_relation_endpoints(foreign_endpoint, inverse_join_endpoint);
}
private:
std::stack<node_ptr> nodes_;
internal::shadow_repository &repo_;
logger::logger log_;
join_columns_collector join_columns_collector_{};
using endpoint_ptr = std::shared_ptr<relation_endpoint>;
static void register_relation_endpoints(const endpoint_ptr &endpoint,
const endpoint_ptr &other_endpoint);
static void link_relation_endpoints(const endpoint_ptr &endpoint,
const endpoint_ptr &other_endpoint);
private:
template<typename Type>
friend class foreign_node_completer;
private:
std::stack<node_ptr> nodes_;
internal::shadow_repository &repo_;
logger::logger log_;
join_columns_collector join_columns_collector_{};
};
template < typename NodeType >
template<typename NodeType>
template<class ForeignPointerType>
void foreign_node_completer<NodeType>::on_belongs_to( const char* /*id*/, ForeignPointerType&, const utils::foreign_attributes& ) {
attach_node<typename ForeignPointerType::value_type>();
void foreign_node_completer<NodeType>::on_belongs_to(const char * /*id*/, ForeignPointerType &, const utils::foreign_attributes &) {
attach_node<typename ForeignPointerType::value_type>();
}
template < typename NodeType >
template<typename NodeType>
template<class ForeignPointerType>
void foreign_node_completer<NodeType>::on_has_one( const char*, ForeignPointerType&, const utils::foreign_attributes& ) {
attach_node<typename ForeignPointerType::value_type>();
void foreign_node_completer<NodeType>::on_has_one(const char *, ForeignPointerType &, const utils::foreign_attributes &) {
attach_node<typename ForeignPointerType::value_type>();
}
template < typename NodeType >
template<typename NodeType>
template<class CollectionType>
void foreign_node_completer<NodeType>::on_has_many( const char* /*id*/, CollectionType&, const char* /*join_column*/, const utils::foreign_attributes& /*attr*/, std::enable_if_t<is_object_ptr<typename CollectionType::value_type>::value>* ) {
attach_node<typename CollectionType::value_type::value_type>();
void foreign_node_completer<NodeType>::on_has_many(const char * /*id*/,
CollectionType &, const char * /*join_column*/,
const utils::foreign_attributes & /*attr*/,
std::enable_if_t<is_object_ptr<typename CollectionType::value_type>::value> *) {
attach_node<typename CollectionType::value_type::value_type>();
}
template < typename NodeType >
template<typename NodeType>
template<class CollectionType>
void foreign_node_completer<NodeType>::on_has_many_to_many( const char* id, CollectionType& /*collection*/, const char* /*join_column*/, const char* /*inverse_join_column*/, const utils::foreign_attributes& /*attr*/ ) {
attach_relation_node<typename CollectionType::value_type::value_type>(id);
void foreign_node_completer<NodeType>::on_has_many_to_many(const char *id, CollectionType & /*collection*/,
const char *join_column,
const char *inverse_join_column,
const utils::foreign_attributes & /*attr*/) {
if (!repo_.expecting_relation_node(id)) {
repo_.expect_relation_node(id, typeid(typename CollectionType::value_type::value_type));
} else {
attach_relation_node<typename CollectionType::value_type::value_type>(id, join_column, inverse_join_column);
repo_.remove_expected_relation_node(id);
}
}
template < typename NodeType >
template<typename NodeType>
template<class CollectionType>
void foreign_node_completer<NodeType>::on_has_many_to_many( const char* id, CollectionType& /*collection*/, const utils::foreign_attributes& /*attr*/ ) {
attach_relation_node<typename CollectionType::value_type::value_type>(id);
void foreign_node_completer<NodeType>::on_has_many_to_many(const char *id,
CollectionType & /*collection*/,
const utils::foreign_attributes & /*attr*/) {
if (!repo_.expecting_relation_node(id)) {
repo_.expect_relation_node(id, typeid(typename CollectionType::value_type::value_type));
} else {
const auto join_columns = join_columns_collector_.collect<typename CollectionType::value_type::value_type>();
attach_relation_node<typename CollectionType::value_type::value_type>(id, join_columns.join_column, join_columns.inverse_join_column);
repo_.remove_expected_relation_node(id);
}
}
template<typename NodeType>
void foreign_node_completer<NodeType>::register_relation_endpoints(const endpoint_ptr &endpoint,
const endpoint_ptr &other_endpoint) {
endpoint->node_->info_->register_relation_endpoint(other_endpoint->node_->type_index(), endpoint);
other_endpoint->node_->info_->register_relation_endpoint(endpoint->node_->type_index(), other_endpoint);
link_relation_endpoints(endpoint, other_endpoint);
}
template<typename NodeType>
void foreign_node_completer<NodeType>::link_relation_endpoints(const endpoint_ptr &endpoint, const endpoint_ptr &other_endpoint) {
endpoint->link_foreign_endpoint(other_endpoint);
other_endpoint->link_foreign_endpoint(endpoint);
}
}
#endif //FOREIGN_NODE_COMPLETER_HPP

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@ -27,6 +27,10 @@ public:
[[nodiscard]] utils::result<node_ptr, utils::error> attach_node(const std::shared_ptr<repository_node> &node) const;
[[nodiscard]] utils::result<void, utils::error> detach_node(const std::shared_ptr<repository_node> &node) const;
[[nodiscard]] bool expecting_relation_node(const std::string &name) const;
void expect_relation_node(const std::string &name, const std::type_index &ti) const;
void remove_expected_relation_node(const std::string &name) const;
private:
repository& repo_;
};

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@ -177,13 +177,13 @@ void relation_completer<Type>::on_has_many(const char *id, CollectionType &,
if (const auto it = foreign_node->info_->find_relation_endpoint(typeid(Type)); it != foreign_node->info().endpoint_end()) {
// corresponding belongs_to is available and was called (has_many <-> belongs_to)
// complete the relation
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, foreign_node);
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HasMany, foreign_node);
nodes_.top()->info_->register_relation_endpoint(typeid(value_type), local_endpoint);
link_relation_endpoints(local_endpoint, it->second);
} else if (join_column_finder::has_join_column<value_type>(join_column)) {
// corresponding belongs_to is available but was not called (has_many <-> belongs_to)
// prepare the relation
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, foreign_node);
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HasMany, foreign_node);
nodes_.top()->info_->register_relation_endpoint(typeid(value_type), local_endpoint);
} else {
// A relation table is necessary
@ -200,13 +200,13 @@ void relation_completer<Type>::on_has_many(const char *id, CollectionType &,
// Todo: throw internal error
return;
}
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, result.value());
const auto foreign_endpoint = std::make_shared<relation_endpoint>("id", relation_type::BELONGS_TO, nodes_.top());
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HasMany, result.value());
const auto foreign_endpoint = std::make_shared<relation_endpoint>("id", relation_type::BelongsTo, nodes_.top());
nodes_.top()->info_->register_relation_endpoint(typeid(value_type), local_endpoint);
result.value()->info_->register_relation_endpoint(nodes_.top()->type_index(), foreign_endpoint);
link_relation_endpoints(local_endpoint, foreign_endpoint);
const auto foreign_value_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BELONGS_TO, foreign_node);
const auto foreign_value_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BelongsTo, foreign_node);
result.value()->info_->register_relation_endpoint(typeid(value_type), foreign_value_endpoint);
}
}
@ -230,8 +230,8 @@ void relation_completer<Type>::on_has_many(const char *id, CollectionType &, con
return;
}
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, result.value());
const auto foreign_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BELONGS_TO, nodes_.top());
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HasMany, result.value());
const auto foreign_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BelongsTo, nodes_.top());
nodes_.top()->info_->register_relation_endpoint(typeid(value_type), local_endpoint);
result.value()->info_->register_relation_endpoint(nodes_.top()->type_index(), foreign_endpoint);
@ -272,10 +272,10 @@ void relation_completer<Type>::on_has_many_to_many(const char *id,
}
auto& node = result.value();
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, node);
const auto join_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BELONGS_TO, nodes_.top());
const auto inverse_join_endpoint = std::make_shared<relation_endpoint>(inverse_join_column, relation_type::BELONGS_TO, foreign_node);
const auto foreign_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_MANY, node);
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HasMany, node);
const auto join_endpoint = std::make_shared<relation_endpoint>(join_column, relation_type::BelongsTo, nodes_.top());
const auto inverse_join_endpoint = std::make_shared<relation_endpoint>(inverse_join_column, relation_type::BelongsTo, foreign_node);
const auto foreign_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HasMany, node);
// register relation endpoint in local node
nodes_.top()->info_->register_relation_endpoint(typeid(typename CollectionType::value_type::value_type), local_endpoint);
// register relation endpoint in foreign node
@ -318,7 +318,7 @@ void relation_completer<Type>::on_has_one(const char *id,
auto local_it = nodes_.top()->info().find_relation_endpoint(typeid(value_type));
if (local_it == nodes_.top()->info().endpoint_end()) {
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HAS_ONE, result.value());
const auto local_endpoint = std::make_shared<relation_endpoint>(id, relation_type::HasOne, result.value());
local_it = nodes_.top()->info_->register_relation_endpoint(typeid(value_type), local_endpoint);
}
if (const auto foreign_it = result.value()->info().find_relation_endpoint(typeid(Type)); foreign_it != result.value()->info().endpoint_end()) {
@ -346,11 +346,11 @@ void relation_completer<Type>::on_belongs_to(const char *id,
if (const auto it = foreign_node->info_->find_relation_endpoint(nodes_.top()->type_index()); it != foreign_node->info().endpoint_end()) {
// Found corresponding relation endpoint in the foreign node
if (it->second->is_has_one()) {
const auto endpoint = std::make_shared<relation_endpoint>(id, relation_type::BELONGS_TO, foreign_node);
const auto endpoint = std::make_shared<relation_endpoint>(id, relation_type::BelongsTo, foreign_node);
nodes_.top()->info_->register_relation_endpoint(ti, endpoint);
link_relation_endpoints(endpoint, it->second);
} else if (it->second->is_has_many()) {
const auto endpoint = std::make_shared<relation_endpoint>(id, relation_type::BELONGS_TO, foreign_node);
const auto endpoint = std::make_shared<relation_endpoint>(id, relation_type::BelongsTo, foreign_node);
nodes_.top()->info_->register_relation_endpoint(ti, endpoint);
link_relation_endpoints(endpoint, it->second);
} else if (it->second->foreign_endpoint()->node().type_index() == typeid(many_to_many_relation<Type, value_type>)) {
@ -368,7 +368,7 @@ void relation_completer<Type>::on_belongs_to(const char *id,
}
} else {
// Relation node was not found, create only endpoint.
const auto endpoint = std::make_shared<relation_endpoint>(id, relation_type::BELONGS_TO, foreign_node);
const auto endpoint = std::make_shared<relation_endpoint>(id, relation_type::BelongsTo, foreign_node);
nodes_.top()->info_->register_relation_endpoint(ti, endpoint);
}
}

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@ -11,15 +11,15 @@ namespace matador::object {
class repository_node;
enum class relation_type : uint8_t {
BELONGS_TO,
HAS_ONE,
HAS_MANY
BelongsTo,
HasOne,
HasMany
};
static const utils::enum_mapper<relation_type> relation_type_enum({
{ relation_type::BELONGS_TO, "belongs_to" },
{ relation_type::HAS_ONE, "has_one" },
{ relation_type::HAS_MANY, "has_many" },
{ relation_type::BelongsTo, "belongs_to" },
{ relation_type::HasOne, "has_one" },
{ relation_type::HasMany, "has_many" },
});
class relation_endpoint {
@ -43,6 +43,8 @@ public:
private:
template<typename Type>
friend class relation_completer;
template<typename Type>
friend class foreign_node_completer;
std::string field_name_;
relation_type type_;

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@ -46,7 +46,7 @@ public:
return utils::failure(result.err());
}
foreign_node_completer<Type>::template complete<Type>(node);
relation_completer<Type>::complete(node);
// relation_completer<Type>::complete(node);
} else if (!has_node(name)) {
it->second->update_name(name);
nodes_by_name_[name] = it->second;
@ -177,12 +177,9 @@ private:
static void insert_node(const node_ptr &parent, const node_ptr &child);
void remove_node(const node_ptr &node);
bool expecting_relation_node(const std::string &name) const;
template<typename NodeType>
void expect_relation_node(const std::string &name) {
expected_relation_nodes_[name] = std::type_index(typeid(NodeType));
}
void remove_expected_relation_node(const std::string &name);
bool expecting_relation_node(const std::string &name) const;
void expect_relation_node(const std::string &name, const std::type_index &ti);
void remove_expected_relation_node(const std::string &name);
private:
friend class internal::shadow_repository;

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@ -30,4 +30,16 @@ utils::result<shadow_repository::node_ptr, utils::error> shadow_repository::atta
utils::result<void, utils::error> shadow_repository::detach_node( const std::shared_ptr<repository_node>& node ) const {
return repo_.detach(node);
}
}
bool shadow_repository::expecting_relation_node(const std::string &name) const {
return repo_.expecting_relation_node(name);
}
void shadow_repository::expect_relation_node(const std::string &name, const std::type_index &ti) const {
repo_.expect_relation_node(name, ti);
}
void shadow_repository::remove_expected_relation_node(const std::string &name) const {
repo_.remove_expected_relation_node(name);
}
}

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@ -30,15 +30,15 @@ std::shared_ptr<repository_node> relation_endpoint::node_ptr() const {
}
bool relation_endpoint::is_has_one() const {
return type_ == relation_type::HAS_ONE;
return type_ == relation_type::HasOne;
}
bool relation_endpoint::is_has_many() const {
return type_ == relation_type::HAS_MANY;
return type_ == relation_type::HasMany;
}
bool relation_endpoint::is_belongs_to() const {
return type_ == relation_type::BELONGS_TO;
return type_ == relation_type::BelongsTo;
}
std::shared_ptr<relation_endpoint> relation_endpoint::foreign_endpoint() const {

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@ -206,6 +206,10 @@ bool repository::expecting_relation_node( const std::string& name ) const {
return expected_relation_nodes_.count(name) > 0;
}
void repository::expect_relation_node(const std::string &name, const std::type_index &ti) {
expected_relation_nodes_.insert({name, ti});
}
void repository::remove_expected_relation_node( const std::string& name ) {
expected_relation_nodes_.erase(name);
}

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@ -69,9 +69,26 @@ utils::result<void, utils::error> schema::create() const {
}
}
// create primary key constraints
for (const auto &node: repo_) {
for (const auto& cons : node->info().constraints()) {
if (!cons.is_primary_key_constraint()) {
continue;
}
auto ctx = build_add_constraint_context(*node, cons);
std::cout << ctx.sql << std::endl;
if (auto result = c->execute(ctx.sql); !result) {
return utils::failure(result.err());
}
}
}
// create table constraints
for (const auto &node: repo_) {
for (const auto& cons : node->info().constraints()) {
if (cons.is_primary_key_constraint()) {
continue;
}
auto ctx = build_add_constraint_context(*node, cons);
std::cout << ctx.sql << std::endl;
@ -85,9 +102,30 @@ utils::result<void, utils::error> schema::create() const {
utils::result<void, utils::error> schema::drop() const {
auto c = pool_.acquire();
// drop table primary key constraints
for (const auto &node: repo_) {
for (const auto& cons : node->info().constraints()) {
if (cons.is_primary_key_constraint()) {
continue;
}
auto ctx = query::query::alter()
.table(node->name())
.drop_constraint(cons.name())
.compile(*c);
std::cout << ctx.sql << std::endl;
if (auto result = c->execute(ctx.sql); !result) {
return utils::failure(result.err());
}
}
}
// drop table constraints
for (const auto &node: repo_) {
for (const auto& cons : node->info().constraints()) {
if (!cons.is_primary_key_constraint()) {
continue;
}
auto ctx = query::query::alter()
.table(node->name())
.drop_constraint(cons.name())

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@ -14,47 +14,47 @@ using namespace matador;
using namespace matador::test;
TEST_CASE_METHOD(SchemaFixture, "Test schema one-two-many", "[schema][one-to-many]") {
using namespace matador::test;
orm::schema repo(pool/*, "NoopSchema"*/);
using namespace matador::test;
orm::schema repo(pool/*, "NoopSchema"*/);
auto result = repo.attach<department>("departments")
.and_then( [&repo] { return repo.attach<employee>("employees"); } );
REQUIRE(result);
auto result = repo.attach<department>("departments")
.and_then([&repo] { return repo.attach<employee>("employees"); });
REQUIRE(result);
result = repo.create();
REQUIRE(result);
result = repo.create();
REQUIRE(result);
auto exists_result = repo.table_exists("departments");
REQUIRE(exists_result.is_ok());
REQUIRE(exists_result.value());
auto exists_result = repo.table_exists("departments");
REQUIRE(exists_result.is_ok());
REQUIRE(exists_result.value());
result = repo.drop();
REQUIRE(result);
result = repo.drop();
REQUIRE(result);
exists_result = repo.table_exists("departments");
REQUIRE(exists_result.is_ok());
REQUIRE(!exists_result.value());
exists_result = repo.table_exists("departments");
REQUIRE(exists_result.is_ok());
REQUIRE(!exists_result.value());
}
TEST_CASE_METHOD(SchemaFixture, "Test schema many-to-many", "[schema][many-to-many]") {
using namespace matador::test;
orm::schema repo(pool/*, "NoopSchema"*/);
using namespace matador::test;
orm::schema repo(pool/*, "NoopSchema"*/);
auto result = repo.attach<recipe>("recipes")
.and_then( [&repo] { return repo.attach<ingredient>("ingredients"); } );
REQUIRE(result);
auto result = repo.attach<recipe>("recipes")
.and_then([&repo] { return repo.attach<ingredient>("ingredients"); });
REQUIRE(result);
result = repo.create();
REQUIRE(result);
result = repo.create();
REQUIRE(result);
auto exists_result = repo.table_exists("recipes");
REQUIRE(exists_result.is_ok());
REQUIRE(exists_result.value());
auto exists_result = repo.table_exists("recipes");
REQUIRE(exists_result.is_ok());
REQUIRE(exists_result.value());
result = repo.drop();
REQUIRE(result);
result = repo.drop();
REQUIRE(result);
exists_result = repo.table_exists("recipes");
REQUIRE(exists_result.is_ok());
REQUIRE(!exists_result.value());
}
exists_result = repo.table_exists("recipes");
REQUIRE(exists_result.is_ok());
REQUIRE(!exists_result.value());
}

View File

@ -5,18 +5,24 @@
#include "../../models/department.hpp"
#include "../../models/recipe.hpp"
struct node {};
struct node {
};
using namespace matador;
struct person {
virtual ~person() = default;
template < typename Operator >
void process(Operator &/*op*/) {}
template<typename Operator>
void process(Operator &/*op*/) {
}
};
struct student final : person {};
struct teacher final : person {};
struct student final : person {
};
struct teacher final : person {
};
struct names {
unsigned int id{};
@ -33,68 +39,81 @@ struct names {
TEST_CASE("Test empty prototype tree", "[schema_node][empty]") {
const object::repository repo;
REQUIRE( repo.empty() );
REQUIRE(repo.empty());
}
TEST_CASE("Test add type to prototype tree", "[schema_node][add]") {
object::repository repo;
REQUIRE( repo.empty() );
REQUIRE(repo.empty());
auto res = repo.attach<person>("person");
REQUIRE( res.is_ok() );
REQUIRE(res.is_ok());
res = repo.attach<student, person>("student");
REQUIRE( res.is_ok() );
REQUIRE(res.is_ok());
res = repo.attach<teacher, person>("teacher");
REQUIRE( res.is_ok() );
REQUIRE(res.is_ok());
REQUIRE( !repo.empty() );
REQUIRE( repo.size() == 3 );
REQUIRE(!repo.empty());
REQUIRE(repo.size() == 3);
}
TEST_CASE("Test next and previous of schema node", "[schema_node][next][previous]") {
object::repository repo;
REQUIRE( repo.empty() );
REQUIRE(repo.empty());
auto res = repo.attach<person>("person");
REQUIRE( res.is_ok() );
REQUIRE(res.is_ok());
REQUIRE( repo.size() == 1 );
REQUIRE(repo.size() == 1);
auto it = repo.begin();
REQUIRE( it->name() == "person" );
REQUIRE( (--it)->name() == "person" );
REQUIRE( ++it == repo.end() );
REQUIRE(it->name() == "person");
REQUIRE((--it)->name() == "person");
REQUIRE(++it == repo.end());
}
TEST_CASE("Test automatic creating of a relation table with foreign key", "[schema][relation_table][foreign_key]") {
object::repository repo;
REQUIRE( repo.empty() );
REQUIRE(repo.empty());
auto res = repo.attach<test::department>("department");
REQUIRE( res.is_ok() );
REQUIRE(res.is_ok());
REQUIRE(repo.size() == 2);
}
TEST_CASE("Test automatic creating of a relation table with values", "[schema][relation_table][values]") {
object::repository repo;
REQUIRE( repo.empty() );
REQUIRE(repo.empty());
auto res = repo.attach<names>("names");
REQUIRE( res.is_ok() );
REQUIRE(res.is_ok());
}
TEST_CASE("Test one to many", "[relation][one-to-many]") {
object::repository repo;
REQUIRE( repo.empty() );
REQUIRE(repo.empty());
auto res = repo.attach<test::department>("departments")
.and_then( [&repo] { return repo.attach<test::employee>("employees"); } );
REQUIRE( res.is_ok() );
.and_then([&repo] { return repo.attach<test::employee>("employees"); });
REQUIRE(res.is_ok());
REQUIRE(repo.size() == 2);
REQUIRE(repo.contains("departments"));
REQUIRE(repo.contains("employees"));
}
TEST_CASE("Test one to many reverse", "[relation][one-to-many][reverse]") {
object::repository repo;
REQUIRE(repo.empty());
auto res = repo.attach<test::employee>("employees")
.and_then([&repo] { return repo.attach<test::department>("departments"); });
REQUIRE(res.is_ok());
REQUIRE(repo.size() == 2);
REQUIRE(repo.contains("departments"));
REQUIRE(repo.contains("employees"));
@ -106,11 +125,13 @@ TEST_CASE("Test many to many relation", "[relation][many-to-many]") {
REQUIRE(repo.empty());
auto result = repo.attach<test::recipe>("recipes")
.and_then( [&repo] { return repo.attach<test::ingredient>("ingredients"); } );
.and_then([&repo] { return repo.attach<test::ingredient>("ingredients"); });
REQUIRE(result);
REQUIRE(repo.size() == 3);
REQUIRE(repo.contains("ingredients"));
REQUIRE(repo.contains("recipes"));
REQUIRE(repo.contains("recipe_ingredients"));
}
auto info = repo.basic_info("ingredients");
}