null bindings and RecordSet::isNull (SQLite done and tested, ODBC todo)

Data/src/RecordSet.cpp

@@ -35,6 +35,7 @@
 
 
 #include "Poco/Data/RecordSet.h"
+#include "Poco/Data/Session.h"
 
 
 namespace Poco {
@@ -48,6 +49,13 @@ RecordSet::RecordSet(const Statement& rStatement):
 }
 
 
+RecordSet::RecordSet(Session& rSession, const std::string& query): 
+	Statement((rSession << query, now)),
+	_currentRow(0)
+{
+}
+
+
 RecordSet::~RecordSet()
 {
 }