Bo Lorentsen wrote:
> On Wed, 2002-03-13 at 17:29, Jan Wieck wrote:
>
> > You probably want to upgrade to 7.2, because 7.2's PL/pgSQL
> > uses the newly available SPI cursors silently in FOR loops.
> This sounds good, I like to upgrade anyway, also to take advantage of
> the new vaccum.
>
> > Releases before 7.2 loaded the entire result set into memory
> > (ahem, swap space) before entering the FOR loop.
> This was what I guested, too :-)
>
> Would a cursor have helped any ?
Sure, if they whould've been available in PL/pgSQL. This all was a combined feature enhancement for 7.2.
1st cursor support over SPI (an internal query interface inside the backend), 2nd support for cursors and
reference cursors in PL/pgSQL, 3rd automatic usage of internal cursors in FOR loops.
Jan
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