Re: join over 12 tables takes 3 secs to plan
Hilmar Lapp <hlapp@gmx.net>
From: Hilmar Lapp <hlapp@gmx.net>
To: Jeff <threshar@torgo.978.org>
Cc: "pgsql-performance@postgresql.org" <pgsql-performance@postgresql.org>
Date: 2003-01-03T19:38:50Z
Lists: pgsql-performance
On Friday, January 3, 2003, at 09:12 AM, Jeff wrote: > Hmm.. This won't fix the fact the planner takes three seconds, but > since > it is a web application have you tried using PREPARE/EXECUTE so it only > needs to be planned once? Interesting point. I'd have to look into the source code whether the guy who wrote it actually uses JDBC PreparedStatements. I understand that PostgreSQL from 7.3 onwards supports prepared statements (cool!). Would the JDBC driver accompanying the dist. exploit that feature for its PreparedStatement implementation? -hilmar -- ------------------------------------------------------------- Hilmar Lapp email: lapp at gnf.org GNF, San Diego, Ca. 92121 phone: +1-858-812-1757 -------------------------------------------------------------