Re: [HACKERS] Optional message to user when terminating/cancelling backend - Mailing list pgsql-hackers

On Fri, Jun 15, 2018 at 9:56 AM, Daniel Gustafsson <daniel@yesql.se> wrote:
> attached

Hi Daniel,

6118  --select pg_cancel_backend(pg_backend_pid(), 'it brings on many changes');
6119  select pg_cancel_backend(pg_backend_pid(), NULL);
6120! ERROR:  canceling statement due to user request
6121--- 25,32 ----
6122
6123  --select pg_cancel_backend(pg_backend_pid(), 'it brings on many changes');
6124  select pg_cancel_backend(pg_backend_pid(), NULL);
6125!  pg_cancel_backend
6126! -------------------
6127!  t

Apparently Windows can take or leave it as it pleases.

https://ci.appveyor.com/project/postgresql-cfbot/postgresql/build/1.0.4488

-- 
Thomas Munro
http://www.enterprisedb.com