Index: src/base/pgSetBase.cpp
===================================================================
--- src/base/pgSetBase.cpp	(revision 4967)
+++ src/base/pgSetBase.cpp	(working copy)
@@ -461,6 +461,9 @@
                 appendMessage(wxString::Format(_("Query inserted one row with OID %d.\n"), insertedOid));
             continue;
         }
+		if (PQresultStatus(res) != PGRES_TUPLES_OK)
+			continue;
+		// If we got values, let's see if it's something we want to keep
         if (lastResult)
         {
             if (PQntuples(lastResult))