see CHANGELOG

- added Poco::istring (case-insensitive string) and Poco::isubstr
(case-insensitive substring search)
- improved SQLite execute() return (affected rows) value
- added SQLite sys.dual (in-memory system table)
- applied SF Patch #120: The ExpireLRUCache does not compile with a
tuple as key on Visual Studio 2010
- fixed SF Bug #599: JSON::Array and JSON::Object size() member can
implicitly lose precision
- fixed SF Bug #602: iterating database table rows not correct if no
data in table
- fixed SF Bug #603: count() is missing in HashMap
- fixed GH #23: JSON::Object::stringify throw BadCastException
- fixed GH #16: NetworkInterface::firstAddress() should not throw on
unconfigured interfaces
- Android compile/build support (by Rangel Reale)
- TypeHandler::prepare() now takes const-reference

Data/SQLite/include/Poco/Data/SQLite/SQLiteStatementImpl.h

@@ -141,6 +141,8 @@ private:
 	bool             _canBind;
 	bool             _isExtracted;
 	bool             _canCompile;
+
+	static const std::size_t POCO_SQLITE_INV_ROW_CNT;
 };
 
 

Data/SQLite/include/Poco/Data/SQLite/SessionImpl.h

@@ -71,6 +71,17 @@ public:
 
 	void open(const std::string& connect = "");
 		/// Opens a connection to the Database.
+		/// 
+		/// An in-memory system database (sys), with a single table (dual) 
+		/// containing single field (dummy) is attached to the database.
+		/// The in-memory system database is used to force change count
+		/// to be reset to zero on every new query (or batch of queries) 
+		/// execution. Without this functionality, select statements
+		/// executions that do not return any rows return the count of
+		/// changes effected by the most recent insert, update or delete.
+		/// In-memory system database can be queried and updated but can not
+		/// be dropped. It may be used for other purposes 
+		/// in the future.
 
 	void close();
 		/// Closes the session.