On 08/31/2015 06:09 PM, twoflower wrote:
I have the following three tables:
...
This is the query plan: <http://postgresql.nabble.com/file/n5864045/qp1.png> If I remove the WHERE condition, it returns immediately. Am I doing something obviously wrong?
Please share explain plans for both the slow and the fast query. That makes it easier to spot the difference, and possibly identify the cause.
Also, what PostgreSQL version is this, and what are "basic" config parameters (shared buffers, work mem)?
regards -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
