Andrew Gierth <and...@tao11.riddles.org.uk> writes: > (A question here: the spec allows (by my reading) the use of > parameters in the window frame clause, i.e. BETWEEN $1 PRECEDING AND > $2 FOLLOWING. Wouldn't it therefore make more sense to treat the > values as Exprs, albeit very limited ones, and eval them at startup > rather than assuming we know the node type and digging down into it > all over the place?)
Seems like you might as well allow any expression not containing local Vars. Compare the handling of LIMIT. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers