Alvaro Herrera <alvhe...@2ndquadrant.com> writes: > Qingqing Zhou wrote: >> The file name is not random, it is fixed so we can create foreign table >> once and use it afterwards - I actually want to push them into >> system_views.sql.
> Got that. That seems fragile and not very convenient; I don't think > forcing retries until no concurrent writers were using the same file is > convenient at all. When you need this facility the most, which is > during slow planner runs, it is more likely that somebody else will > overwrite your file. FWIW, I would be very much against anything that requires going through the filesystem for this. That will create security/privilege issues that we should not want to introduce, quite aside from the usability problems Alvaro points out. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers