2013/10/25 Hugo Mercier <hugo.merc...@oslandia.com> > Le 25/10/2013 14:29, Pavel Stehule a écrit : > > Hello > > > > > > 2013/10/25 Hugo Mercier <hugo.merc...@oslandia.com > > <mailto:hugo.merc...@oslandia.com>>. > > > > I am quite new to postgresql hacking, so I'm sure there is room for > > improvements. But, what about this first proposal ? > > > > > > I am not sure, if this solution is enough - what will be done if I store > > some values in PL/pgSQL variables? > > > > You mean if you store the result of a (nested) function evaluation in a > PL/pgSQL variable ? > Then no nesting will be detected by the parser and in this case the user > function must ensure its result is serialized, since it could be stored > (in a variable or a table) at any time. >
ok I remember, so I though about similar optimization when I worked on SQL/XML implementation - so same optimization can be used there. Regards Pavel > > -- > Hugo Mercier > Oslandia > > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers >
