added session test (progress)

src/sql/session.cpp

@@ -10,6 +10,16 @@ session::session(connection_pool<connection> &pool)
 : pool_(pool)
 , dialect_(backend_provider::instance().connection_dialect(pool_.info().type)) {}
 
+void session::drop_table(const std::string &table_name)
+{
+  auto c = pool_.acquire();
+  if (!c.valid()) {
+    throw std::logic_error("no database connection available");
+  }
+
+  c->drop().table(table_name).execute();
+}
+
 query_result<record> session::fetch(const query_context &q) const
 {
   auto c = pool_.acquire();