working test

thirdparty/SQLiteCpp/include/SQLiteCpp/ExecuteMany.h

@@ -0,0 +1,90 @@
+/**
+ * @file    ExecuteMany.h
+ * @ingroup SQLiteCpp
+ * @brief   Convenience function to execute a Statement with multiple Parameter sets
+ *
+ * Copyright (c) 2019 Maximilian Bachmann (github maxbachmann)
+ * Copyright (c) 2019 Sebastien Rombauts (sebastien.rombauts@gmail.com)
+ *
+ * Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt
+ * or copy at http://opensource.org/licenses/MIT)
+ */
+#pragma once
+
+#if (__cplusplus >= 201402L) || ( defined(_MSC_VER) && (_MSC_VER >= 1900) ) // c++14: Visual Studio 2015
+
+#include <SQLiteCpp/Statement.h>
+#include <SQLiteCpp/VariadicBind.h>
+
+/// @cond
+#include <tuple>
+#include <utility>
+#include <initializer_list>
+
+namespace SQLite
+{
+/// @endcond
+
+/**
+ * \brief Convenience function to execute a Statement with multiple Parameter sets once for each parameter set given.
+ *
+ *
+ * This feature requires a c++14 capable compiler.
+ *
+ * \code{.cpp}
+ * execute_many(db, "INSERT INTO test VALUES (?, ?)",
+ *   std::make_tuple(1, "one"),
+ *   std::make_tuple(2, "two"),
+ *   std::make_tuple(3, "three")
+ * );
+ * \endcode
+ * @param aDatabase Database to use
+ * @param apQuery   Query to use with all parameter sets
+ * @param aArg      first tuple with parameters
+ * @param aParams   the following tuples with parameters
+ */
+template <typename Arg, typename... Types>
+void execute_many(Database& aDatabase, const char* apQuery, Arg&& aArg, Types&&... aParams)
+{
+    SQLite::Statement query(aDatabase, apQuery);
+    bind_exec(query, std::forward<decltype(aArg)>(aArg));
+    (void)std::initializer_list<int>
+    {
+        ((void)reset_bind_exec(query, std::forward<decltype(aParams)>(aParams)), 0)...
+    };
+}
+
+/**
+ * \brief Convenience function to reset a statement and call bind_exec to 
+ * bind new values to the statement and execute it
+ *
+ * This feature requires a c++14 capable compiler.
+ *
+ * @param apQuery   Query to use
+ * @param aTuple    Tuple to bind
+ */
+template <typename ... Types>
+void reset_bind_exec(SQLite::Statement& apQuery, std::tuple<Types...>&& aTuple)
+{
+    apQuery.reset();
+    bind_exec(apQuery, std::forward<decltype(aTuple)>(aTuple));
+}
+
+/**
+ * \brief Convenience function to bind values a the statement and execute it
+ *
+ * This feature requires a c++14 capable compiler.
+ *
+ * @param apQuery   Query to use
+ * @param aTuple    Tuple to bind
+ */
+template <typename ... Types>
+void bind_exec(SQLite::Statement& apQuery, std::tuple<Types...>&& aTuple)
+{
+    bind(apQuery, std::forward<decltype(aTuple)>(aTuple));
+    while (apQuery.executeStep()) {}
+}
+
+}  // namespace SQLite
+
+#endif // c++14