added: TextStream a class similar to std::ostringstream

but with a Clear() method
       the dynamic allocated buffer can be easily reused
added: DbTextStream a special version of a stream
       used to create a database string query
       everything is escaped by default
added: DbBase a base class with some basic methods for communicating
       with the database
added: DbConn a class for managing connection to the database
changed: some refactoring in Db class       



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@655 e52654a7-88a9-db11-a3e9-0013d4bc506e

db/dbitemcolumns.h

@@ -0,0 +1,50 @@
+/*
+ * This file is a part of Winix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2010, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+
+#ifndef headerfile_winix_db_dbitemcolumns
+#define headerfile_winix_db_dbitemcolumns
+
+
+#include <libpq-fe.h>
+#include "core/item.h"
+
+
+
+
+struct DbItemColumns
+{
+	int id;
+	int user_id;
+	int group_id;
+	int privileges;
+	int date_creation;
+	int date_modification;
+	int url;
+	int type;
+	int parent_id;
+	int content_id;
+	int default_item;
+	int subject;
+	int content;
+	int content_type;
+	int guest_name;
+	int auth;
+	int auth_path;
+	int modification_user_id;
+	int html_template;
+ 	
+	void SetColumns(PGresult * r);
+	void SetItem(PGresult * r, long row, Item & item);
+};
+
+
+
+
+#endif
+