Re: Disk buffering of resultsets

John R Pierce <pierce@hogranch.com> writes:
> this still won't address the issue that the postgresql server itself
> ALSO marshals the entire result set into ITS memory before sending it to
> the client.

If it actually did that, then there would be an issue ... but it never
has, and very likely never will.  The server sends rows on-the-fly as
they're computed.  That is indeed the very reason that client libraries
tend to want to accumulate full resultsets: they're hiding that behavior
from applications, so as to make it look like you get either an error or
a full resultset, not some rows and then an error.

                        regards, tom lane

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