On 11/27/13, 3:47 PM, Tom Lane wrote: > Given these considerations, I think it'd be better to allow explicit > application control over whether read-ahead happens for a particular > query. And I have no problem whatsoever with requiring that the cursor > be explicitly marked SCROLL or NO SCROLL before read-ahead will occur.
Well, technically, unspecified means NO SCROLL according to the SQL standard. A lot of applications in ECPG are ported from other systems, which might make that assumption. It wouldn't be very nice to have to change all that. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
