Via IM, author says it is ready. Your patch has been added to the PostgreSQL unapplied patches list at:
http://momjian.postgresql.org/cgi-bin/pgpatches It will be applied as soon as one of the PostgreSQL committers reviews and approves it. --------------------------------------------------------------------------- stark wrote: > > This patch implements a circular buffer in tuplestore which drops old tuples > as they're no longer needed. It uses this for merge joins to avoid having to > spill the tuplestore if no single value exceeds work_mem. It also is what's > needed for both recursive query support and OLAP window functions (hence why > it implements the more complex circular buffer rather than just moving the > single tuple up to the head of the buffer). > > This was mostly already done by Simon, I just finished the logic in > tuplesort.c. > > This is actually not quite polished so I guess it's still a WIP but it's > certainly ready to be reviewed. All that remains is polishing. If there's > anything in there people object to now I would like to know. > [ Attachment, skipping... ] > > > -- > Gregory Stark > EnterpriseDB http://www.enterprisedb.com > > ---------------------------(end of broadcast)--------------------------- > TIP 6: explain analyze is your friend -- Bruce Momjian <[EMAIL PROTECTED]> http://momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. + ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate