91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
#ifndef QUERY_SESSION_HPP
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#define QUERY_SESSION_HPP
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#include "matador/sql/connection.hpp"
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#include "matador/sql/connection_pool.hpp"
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#include "matador/sql/entity.hpp"
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#include "matador/sql/statement.hpp"
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#include "matador/sql/table_repository.hpp"
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#include <unordered_map>
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namespace matador::sql {
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class dialect;
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class session
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{
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public:
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explicit session(connection_pool<connection> &pool);
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template<typename Type>
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void attach(const std::string &table_name);
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template<typename Type>
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entity<Type> insert(Type *obj);
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template< class Type, typename... Args >
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entity<Type> insert(Args&&... args) {
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return insert(new Type(std::forward<Args>(args)...));
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}
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template<typename Type>
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void drop_table();
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void drop_table(const std::string &table_name);
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[[nodiscard]] query_result<record> fetch(const query_context &q) const;
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// [[nodiscard]] query_result<record> fetch(const std::string &sql) const;
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[[nodiscard]] size_t execute(const std::string &sql) const;
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statement prepare(query_context q) const;
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record describe_table(const std::string &table_name) const;
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bool table_exists(const std::string &table_name) const;
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[[nodiscard]] const table_repository& tables() const;
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const class dialect& dialect() const;
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private:
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friend class query_select_finish;
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[[nodiscard]] std::unique_ptr<query_result_impl> fetch(const std::string &sql) const;
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private:
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connection_pool<connection> &pool_;
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const class dialect &dialect_;
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table_repository table_repository_;
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mutable std::unordered_map<std::string, record> prototypes_;
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};
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template<typename Type>
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void session::attach(const std::string &table_name)
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{
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table_repository_.attach<Type>(table_name);
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}
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template<typename Type>
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entity<Type> session::insert(Type *obj)
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{
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auto c = pool_.acquire();
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auto info = table_repository_.info<Type>();
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if (!info) {
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return {};
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}
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c->insert().into<Type>(info->name).values(*obj).execute();
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return entity{obj};
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}
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template<typename Type>
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void session::drop_table()
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{
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auto info = table_repository_.info<Type>();
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if (info) {
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return drop_table(info.name);
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}
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}
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}
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#endif //QUERY_SESSION_HPP
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