On Wed, Feb 28, 2007 at 10:14:24PM +0000, Heikki Linnakangas wrote: > cache instead. In the index scan phase, it's randomly accessed, but if > the table is clustered, it's in fact not completely random access. In > the 2nd vacuum pass, the array is scanned sequentially again. I'm not
Only if there's only one index on the table... otherwise I'd argue that you're much less likely to be searching the TID list incrementally. -- Jim Nasby [EMAIL PROTECTED] EnterpriseDB http://enterprisedb.com 512.569.9461 (cell) ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
