On Thursday 09 October 2003 18:14, Josh Berkus wrote: > Kurt, > > > I've got what I think should be a pretty simple problem- I just can't > > figure out how I'd do it. Heck, I can't even figure out how I'd search > > for an answer to this problem. > > This is an old common SQL problem ... the "crosstab" table. There are 3 > standard ways to solve it, depending on the exact circumstances of your > case. It's probably best if you buy Joe Celko's "SQL for Smarties, 2nd > Ed.", which has a 50-page chapter on the topic and explores the methods in > detail.
Or see the contrib/tablefunc functions which can do this sort of thing for you. -- Richard Huxton Archonet Ltd ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match