Kevin Grittner wrote: > test=# -- connection 1 > analyze verbose t1; -- when run after threshold, STO error occurs > INFO: analyzing "public.t1" > INFO: "t1": scanned 45 of 45 pages, containing 8999 live rows and > 1001 dead rows; 8999 rows in sample, 8999 estimated total rows > ERROR: snapshot too old > CONTEXT: SQL statement "SELECT (i * (select c1 from t2))" > PL/pgSQL function mysq(integer) line 3 at RETURN > > Is there some other behavior which would be preferred?
The fact that the ERROR is being thrown seems okay to me. I was a bit surprised that the second INFO line is shown, but there's a simple explanation: we first acquire the sample rows (using acquire_sample_rows) and only after that's done we try to compute the stats from them. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers