Gregory Stark <[EMAIL PROTECTED]> writes: > "Tom Lane" <[EMAIL PROTECTED]> writes: >> Pretty much not happening; or are you volunteering to fix every part of >> the system to tolerate injections of inserted data anywhere in a stored >> datum?
> I was thinking to do it at a low level as the xlog records are prepared to be > written to the filesystem and as the data is being read from disk. I haven't > read that code yet to see where to inject it but I understand there's already > a copy happening and it could be done there. You understand wrong ... a tuple sitting on disk is normally read directly from the shared buffer, and I don't think we want to pay for copying it. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org