Re: [GENERAL] Window Function API Performance

2011-09-13 Thread Tom Lane
"Schneider, Thilo" writes: > Currently I access rows of the window partition using the > WinGetFuncArgInPartition function. However, what I noticed is that > this function seems incredibly slow when the partition looked at is > rather large - for my case about 1245000 rows. It might help to incre

[GENERAL] Window Function API Performance

2011-09-13 Thread Schneider, Thilo
Dear all, first let me thank the PostgreSQL developers for implementing the incredibly helpful window functions. This is one of the features I use most often. But, as my requirements are perhaps a bit special, I always want more ;) Now I am trying to implement my own window function using C-Lang