On Wed, 9 Oct 2019 at 00:33, Natarajan R <nataraj3...@gmail.com> wrote:
> I want to read pg_database from pg_init... > > Is using heap_open() is possible? or else any other way is there ? > It's not possible from _PG_init . I replied to a similar thread with details on how bgworkers can access different databases; look at the archives. The gist is that you have to register a bgworker that attaches to shared memory and to a database (or use InvalidOid if you only want shared catalog access), then do your work from there. -- Craig Ringer http://www.2ndQuadrant.com/ 2ndQuadrant - PostgreSQL Solutions for the Enterprise
