On 02 Feb 2005 00:58:17 -0500, Greg Stark <gsstark@xxxxxxx> wrote: >I don't recall what the original motivation to rewrite the analyze sampling >was, did having lots of dead tuples cause bad estimates in 7.4? The original intention was to make analysing huge tables faster. But the patch turned out to be _slower_ for mid sized tables. So it was sold to the community as a way to produce better statistics for relations with many dead tuples near the start. Servus Manfred ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to majordomo@xxxxxxxxxxxxxx
