Cache the total ?
On Thu, Apr 3, 2014 at 3:34 PM, Leonardo M. Ramé <l.r...@griensu.com> wrote: > Hi, in one of our systems, we added a kind of pagination feature, that > shows N records of Total records. > > To do this, we added a "count(*) over() as Total" field in our queries > in replacement of doing two queries, one for fetching the records, and > other for getting the count. This improved the performance, but we are't > happy with the results yet, by removing the count, the query takes > 200ms vs 2000ms with it. > > We are thinking of removing the count, but if we do that, the system > will lack an interesting feature. > > What strategy for showing the total number of records returned do you > recommend?. > > Regards, > -- > Leonardo M. Ramé > Medical IT - Griensu S.A. > Av. Colón 636 - Piso 8 Of. A > X5000EPT -- Córdoba > Tel.: +54(351)4246924 +54(351)4247788 +54(351)4247979 int. 19 > Cel.: +54 9 (011) 40871877 > > > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general >
