Re: Support for RANGE ... PRECEDING windows in OVER

<div dir="ltr">Definitely not this week. Hopefully for next commit fest.</div><div class="gmail_extra"><br /><br /><div
class="gmail_quote">OnSun, Jun 30, 2013 at 9:56 PM, Josh Berkus <span dir="ltr"><<a href="mailto:josh@agliodbs.com"
target="_blank">josh@agliodbs.com</a>></span>wrote:<br /><blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px#ccc solid;padding-left:1ex"><div class="im">On 06/30/2013 08:54 PM, ian link wrote:<br /> > I
foundsome time and I think I am up to speed now. I finally figured out<br /> > how to add new operator strategies
andmade a little test operator for<br /> > myself.<br /> ><br /> > It seems pretty clear that assuming '+' and
'-'are addition and<br /> > subtraction is a bad idea. I don't think it would be too tricky to add<br /> >
supportfor new operator strategies. Andrew Gierth suggested calling these<br /> > new strategies "offset -" and
"offset+", which I think describes it pretty<br /> > well. I assigned the operator itself to be "@+" and "@-" but
thatcan<br /> > obviously be changed. If this sounds like a good path to you guys, I will<br /> > go ahead and
implementthe operators for the appropriate types. Please let<br /> > me know if I am misunderstanding something - I
amstill figuring stuff out<br /> > :)<br /> ><br /> > Aside from the opclass stuff, there were some other
importantissues<br /> > mentioned with the original RANGE support. I think I will address those<br /> > after the
opclassstuff is done.<br /><br /></div>Are these things you plan to get done this week, or for next CommitFest?<br
/><spanclass="HOEnZb"><font color="#888888"><br /> --<br /> Josh Berkus<br /> PostgreSQL Experts Inc.<br /><a
href="http://pgexperts.com"target="_blank">http://pgexperts.com</a><br /></font></span></blockquote></div><br /></div>