<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px#ccc solid;padding-left:1ex"><span class=""><br /></span>The other problem with not thinking about
thatgeneral case is that<br /> people will keep on proposing little bitty features that nibble at<br /> the problem but
mayor may not be compatible with a general solution.<br /> To the extent that such patches get accepted, we'll be
forcedinto<br /> either backwards-compatibility breakage or sub-optimal solutions when<br /> we do get to the point of
wantinga general answer. I'd much rather<br /> start with a generalized design and then implement it piece by
piece.<br/><br /> (This is more or less the same point as my nearby stand against localized<br /> hacking of backslash
parsingrules.)<br /><br /> regards, tom lane<br /></blockquote></div><br /></div><div
class="gmail_extra"><br/></div><div class="gmail_extra">In order for me to understand how high the bar has been set,
canyou (Robert/Tom mostly, but I welcome any responses) explain what you mean by "full-blown expression language"? What
constructsmust it include, etc?</div><div class="gmail_extra"><br /></div><div class="gmail_extra"><br /></div><div
class="gmail_extra"><br/></div><div class="gmail_extra"><br /></div><div class="gmail_extra"><br /></div></div>