On 2018-12-12 17:37:47 -0500, Ravi Krishna wrote: > I am running explain analyze cost on a SQL which reads from two large > tables (122mil and 37 mil). The query is an UPDATE SQL where we use > derives table in the from clause and then join it back to the table > being updated. > The explain analyze cost itself is taking forever to run. It is running > for the last 1 hr. Does that actually run the SQL to find out the > impact of I/O (as indicated in COSTS). If not, what can cause it to run > this slow.__ Please do not hijack other threads by replying to a message and changing the subject. Just send a new mail to pgsql-general@xxxxxxxxxxxxxxxxxxxx, or whatever list you want to send an email to. Thanks, Andres
