added session test (progress)

include/matador/sql/session.hpp

@@ -1,11 +1,9 @@
 #ifndef QUERY_SESSION_HPP
 #define QUERY_SESSION_HPP
 
-#include "matador/sql/column_generator.hpp"
 #include "matador/sql/connection.hpp"
 #include "matador/sql/connection_pool.hpp"
-#include "matador/sql/query_builder.hpp"
-#include "matador/sql/query_intermediates.hpp"
+#include "matador/sql/entity.hpp"
 #include "matador/sql/statement.hpp"
 #include "matador/sql/table_repository.hpp"
 
@@ -20,6 +18,21 @@ class session
 public:
   explicit session(connection_pool<connection> &pool);
 
+  template<typename Type>
+  void attach(const std::string &table_name);
+
+  template<typename Type>
+  entity<Type> insert(Type *obj);
+
+  template< class Type, typename... Args >
+  entity<Type> insert(Args&&... args) {
+    return insert(new Type(std::forward<Args>(args)...));
+  }
+
+  template<typename Type>
+  void drop_table();
+  void drop_table(const std::string &table_name);
+
   [[nodiscard]] query_result<record> fetch(const query_context &q) const;
 //  [[nodiscard]] query_result<record> fetch(const std::string &sql) const;
   [[nodiscard]] size_t execute(const std::string &sql) const;
@@ -28,12 +41,6 @@ public:
   record describe_table(const std::string &table_name) const;
   bool table_exists(const std::string &table_name) const;
 
-  template<typename Type>
-  void attach(const std::string &table_name)
-  {
-    table_repository_.attach<Type>(table_name);
-  }
-
   [[nodiscard]] const table_repository& tables() const;
 
   const class dialect& dialect() const;
@@ -51,5 +58,33 @@ private:
   mutable std::unordered_map<std::string, record> prototypes_;
 };
 
+template<typename Type>
+void session::attach(const std::string &table_name)
+{
+  table_repository_.attach<Type>(table_name);
+}
+
+template<typename Type>
+entity<Type> session::insert(Type *obj)
+{
+  auto c = pool_.acquire();
+  auto info = table_repository_.info<Type>();
+  if (!info) {
+    return {};
+  }
+  c->insert().into<Type>(info->name).values(*obj).execute();
+
+  return entity{obj};
+}
+
+template<typename Type>
+void session::drop_table()
+{
+  auto info = table_repository_.info<Type>();
+  if (info) {
+    return drop_table(info.name);
+  }
+
+}
 }
 #endif //QUERY_SESSION_HPP