Cleaned up directory structure.

include/sqlpp11/from.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2013, Roland Bock
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ *   Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * 
+ *   Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SQLPP_FROM_H
+#define SQLPP_FROM_H
+
+#include <sqlpp11/select_fwd.h>
+#include <sqlpp11/type_traits.h>
+#include <sqlpp11/detail/serialize_tuple.h>
+#include <ostream>
+
+namespace sqlpp
+{
+	template<typename... TableOrJoin>
+		struct from_t
+		{
+			using _is_from = tag_yes;
+
+			static_assert(sizeof...(TableOrJoin), "at least one table or join argument required in from");
+
+			//understand joins
+			//analyze tables and joins for duplicates
+			//produce a set of tables in this from 
+
+			template<typename Db>
+				void serialize(std::ostream& os, Db& db) const
+				{
+					os << " FROM ";
+					detail::serialize_tuple(os, db, _tables_and_joins, ',');
+				}
+
+			std::tuple<TableOrJoin...> _tables_and_joins;
+		};
+}
+
+#endif