[GENERAL] parameter substitution problem in jdbc driver? (8.1)

2006-01-27 Thread Dave E Martin
When a query of this form: /* from xxx where yyy = ? */ select a,b,c,d from xxx where yyy = ? is sent to the jdbc driver (as a prepared statement), it complains that parameter 2 is not set. This is a query from hibernate3.1, with hibernate's "generate comments in sql" option turned on. I'm n

Re: [GENERAL] enable_sort optimization problem

2005-05-27 Thread Dave E Martin
tom lane wrote: > Why does it think that only 159 of the 132245 rows in outages will have > join partners in ipinterface? The actual results look like they all do. > It might be worth looking at the pg_stats rows for the join columns to > see if there's something odd about the statistics. > He

[GENERAL] enable_sort optimization problem

2005-05-25 Thread Dave E Martin
(8.0.1 on debian/linux 2.6.11 kernel) I have noticed that if I set enable_sort=false in the .conf file, my queries are running faster. I had a query which if I did a limit 20, ran in 6 milliseconds, but if I changed it to limit 21, it took around 19 seconds (or 19000 milliseconds). It also too