Hi Dan! Tuesday, May 13, 2008, you wrote: DP> My idea was that each db module can offer functions like: DP> inline str bitand(int a, int b) DP> { DP> } Yes, of cause. But for this (and analogoue) function need _big_ chnages (expand) for db-api. When i propose this, answer was - "after 1.4 complete" :) Best regards, Iouri