Are you sure that code keeps adding up memory usage? I may be wrong but it seems that you are storing your info on the connection vector, and each time you are reusing it by going trough it from the 0 position to nRows... what memory (from wich variables) do you want to free?
/ –![[Image: pedro.tiago.png]](http://mega.ist.utl.pt/~ptcc/pedro.tiago.png)
