Greg Stark <[EMAIL PROTECTED]> writes: > Tom Lane <[EMAIL PROTECTED]> writes: >> * With the recent WAL-ization and hoped-for concurrency fixes, GiST >> is definitely superior to R-tree for practical use. I don't see the >> percentage in continuing to maintain the R-tree code indefinitely. >> By integrating the opclasses needed to replace R-tree, we can start >> down the path to deprecating and eventually removing R-tree.
> I think we still have a serious problem with multicolumn indexes. As they > stand they're basically only indexes on the first column. The later columns > are not used to determine page splits. R-tree doesn't do multicolumn at all, so this is is hardly an argument for keeping it, is it? > Also, isn't rtree still substantially faster than gist? Not according to contrib/rtree_gist/bench/, though I admit I have not bothered to reproduce the experiment. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings