DLR for mysql

[Kwok Peng Tuck]

I have a question about dlr using mysql,
If I use it to store my dlr with a smpp connection, do I have to specify 
a dlrmask as well as a dlr url in sendsms user ?
If possible can someone post a sample on how the table output looks like?  
Also is there a chance that there would be support for postgresql ?