On Tue, Jul 3, 2018 at 4:34 PM, Srinivas Karthik V
<skarthikv.iitb@gmail.com> wrote:
> @Peter: I was indexing the primary key of all the tables in tpc-ds. Some of
> the fact tables has multiple columns as part of the primary key. Also, most
> of them are numeric type.
Please see my mail to -hackers on suffix truncation:
https://postgr.es/m/CAH2-Wzn5XbCzk6u0GL+uPnCp1tbrp2pJHJ=3bYT4yQ0_zzHxmw@mail.gmail.com
Perhaps this is related in some way, since in both cases we're talking
about a composite index on varlena-type columns, where the types have
expensive comparisons.
--
Peter Geoghegan