Il Friday 16 November 2007 07:38:30 Tom Lane ha scritto: > IIRC, it used to be restricted to a constant, a few revisions back. > In current releases the only restriction that stems from laziness is > not allowing a sub-select. (If anyone were to put forward a serious > use-case, we'd probably go fix that.) Mine was not serious enough! Sigh! :-) > The OP's complaint is that we don't allow a variable of the query's own > level, but AFAICT he's still not grasped the point that that leads to an > indeterminate limit value ... So it works, but it's not serious enough to be unlocked. Sigh! :-) -- Reg me Please ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org/