Sorry to hijack the thread; I'm wondering what it would take to enable more binary transfers. I played around with arrays, and that doesn't seem too onerous ?
> > but this jdbc driver feature is > >supposed to be more of a debug feature, because it slows down queries due to needing an extra > >round-trip for each query. > > Mikko, binary transfer should not be considered a "debug" feature.
I know. I wrote the original jdbc driver binary transfer code because I wanted better performance.
But you clipped half of my sentence it stars with:
"An alternative is to request binary transfers from the first query" - meaning that the debug feature is the performance killer that requests binary transfers for also the first query by doing a backend round-trip to describe what kind of in/out parameters the operation contains - before executing the actual statement.
It is currently used by jdbc driver unit test framework so that every operation need not be tried n times in unit tests to verify that the binary transfers work for all operations. -Mikko
