I’ve written a bit before about understanding the output from EXPLAIN and EXPLAIN ANALYZE in PostgreSQL. Though understandably getting a grasp on execution plans could probably use some more guidance. Yet, this time around I’m taking a bit of a cop out and highlighting a few tools instead of documenting myself, which I’ve done in a talk I’ve frequently given Postgres Demystified. Getting at the Data The first small thing you can do is actually retrieve the data in JSON form. By adding...
