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delete many to many progress

This commit is contained in:
sascha 2026-06-01 16:44:07 +02:00
parent cea7b97f2b
commit 12f8590634
6 changed files with 38 additions and 11 deletions
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1
include/matador/object/object_generator.hpp
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@ -105,6 +105,7 @@ public:
void on_foreign_key(const char *id, Pointer &/*x*/) {
const auto type = pk_type_determinator::determine<typename Pointer::value_type>();
auto &ref = object_->attributes_.emplace_back(id, type, utils::constraints::ForeignKey, null_option_type::NotNull);
ref.index_ = object_->attributes_.size() - 1;
ref.owner_ = object_;
}
template<class ContainerType>

4
include/matador/query/schema.hpp
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@ -373,7 +373,9 @@ void schema_observer<Type>::on_attach(const object::repository_node &node, const
auto producer = std::make_unique<query_object_resolver_producer<Type>>(schema_, it->second.table(), it->second.node().info().primary_key_attribute()->name());
schema_.resolver_producers_[typeid(Type)] = std::move(producer);
} else {
object::join_columns_collector collector;
const auto it = schema_.insert_relation_table(typeid(Type), node);
// auto producer = std::make_unique<query_object_resolver_producer<Type>>(schema_, it->second.table(), it->second.node().info().primary_key_attribute()->name());
// schema_.resolver_producers_[typeid(Type)] = std::move(producer);
}
}

11
include/matador/query/table.hpp
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@ -17,6 +17,7 @@ public:
table(const char *name); // NOLINT(*-explicit-constructor)
table(const std::string& name); // NOLINT(*-explicit-constructor)
table(const std::string& name, const std::vector<table_column>& columns);
table(const std::string& name, const std::vector<table_column>& columns, const std::string& join_column, const std::string& inverse_join_column);
table(const table& other);
table& operator=(const table& other);
table(table&& other) noexcept;
@ -44,11 +45,11 @@ public:
[[nodiscard]] bool has_primary_key() const;
[[nodiscard]] const table_column* primary_key_column() const;
[[nodiscard]] const std::string& join_column_name() const;
[[nodiscard]] const std::string& inverse_join_column_name() const;
[[nodiscard]] const table_column* join_column() const;
[[nodiscard]] const table_column* inverse_join_column() const;
protected:
table(std::string name, std::string alias, const std::vector<table_column>& columns);
table(std::string name, std::string alias, const std::vector<table_column>& columns);
private:
friend table_column;
@ -60,8 +61,8 @@ private:
std::vector<table_column> columns_;
int pk_column_index_{-1};
std::string join_column_name_;
std::string inverse_join_column_name_;
int join_column_index_{-1};
int inverse_join_column_index_{-1};
};
template<typename Type = table>

12
source/orm/query/schema.cpp
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@ -61,5 +61,17 @@ schema::iterator schema::insert_table(const std::type_index &ti, const object::r
}
basic_schema::iterator schema::insert_relation_table(const std::type_index &ti, const object::repository_node &node) {
std::vector<table_column> columns;
const auto* attr = node.info().object()->join_attribute();
if (attr == nullptr) {
return schema_nodes_.end();
}
columns.emplace_back(nullptr, attr->name(), attr->type(), attr->attributes());
attr = node.info().object()->inverse_join_attribute();
if (attr == nullptr) {
return schema_nodes_.end();
}
columns.emplace_back(nullptr, attr->name(), attr->type(), attr->attributes());
return schema_nodes_.insert({ti, schema_node{table(node.name(), columns, node.info().object()->join_attribute()->name(), node.info().object()->inverse_join_attribute()->name()), nullptr, node}}).first;
}
} // namespace matador::query

7
source/orm/query/schema_utils.cpp
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@ -30,6 +30,11 @@ query_contexts to_query_contexts(const schema_node& node, const sql::dialect &d)
.from(node.name())
.where(*node.table().primary_key_column() == _)
.compile(d);
} else {
queries.delete_one = query::remove()
.from(node.name())
.where(*node.table().join_column() == _ && *node.table().inverse_join_column() == _)
.compile(d);
}
// INSERT one
std::vector<table_column> columns;
@ -39,7 +44,7 @@ query_contexts to_query_contexts(const schema_node& node, const sql::dialect &d)
}
columns.push_back(col);
}
if (node.pk_generator().type() == utils::generator_type::Identity) {
if (node.table().has_primary_key() && node.pk_generator().type() == generator_type::Identity) {
queries.insert = query::insert()
.into(node.name(), columns)
.values(generator::placeholders(columns.size()))

14
source/orm/query/table.cpp
View File

@ -15,6 +15,12 @@ table::table(const std::string& name, const std::vector<table_column> &columns)
: table(name, name, columns) {
}
table::table(const std::string& name, const std::vector<table_column>& columns, const std::string& join_column, const std::string& inverse_join_column)
: table(name, name, columns)
, join_column_index_(column_by_name(*this, join_column))
, inverse_join_column_index_(column_by_name(*this, inverse_join_column)){
}
table::table(std::string name, std::string alias, const std::vector<table_column> &columns)
: name_(std::move(name))
, alias_(std::move(alias))
@ -121,11 +127,11 @@ const table_column* table::primary_key_column() const {
return pk_column_index_ > -1 ? &columns_.at(pk_column_index_) : nullptr;
}
const std::string &table::join_column_name() const {
return join_column_name_;
const table_column* table::join_column() const {
return join_column_index_ > -1 ? &columns_.at(join_column_index_) : nullptr;
}
const std::string &table::inverse_join_column_name() const {
return inverse_join_column_name_;
const table_column* table::inverse_join_column() const {
return inverse_join_column_index_ > -1 ? &columns_.at(inverse_join_column_index_) : nullptr;
}
}