Pei He  wrote:
 
> The offset is the order of a tuple in a Sequential Scan.
 
That's not a safe assumption.  Try starting a sequential scan against
a large table on one connection; then before it finishes, start the
same query on another connection.  The second query joins the one
already in progress and then starts over, "wrapping around".
 
-Kevin

-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

Reply via email to