On Thu, May 13, 2021 at 9:36 AM Bharath Rupireddy <bharath.rupireddyforpostg...@gmail.com> wrote: > > On Thu, May 13, 2021 at 8:45 AM Japin Li <japi...@hotmail.com> wrote: > > >> Dropping all the publications present in the subscription using alter > > >> subscription drop publication would throw "subscription must contain > > >> at least one publication". This message was slightly confusing to me. > > >> As even though some publication was present on the subscription I was > > >> not able to drop. Instead I feel we could throw an error message > > >> something like "dropping specified publication will result in > > >> subscription without any publication, this is not supported". > > > > > > -1 for that long message. The intention of that error was to throw an > > > error if all the publications of a subscription are dropped. If that's > > > so confusing, then you could just let the error message be > > > "subscription must contain at least one publication", add an error > > > detail "Subscription without any publication is not allowed to > > > exist/is not supported." or "Removing/Dropping all the publications > > > from a subscription is not allowed/supported." or some other better > > > wording. > > > > > > > Agree with Bharath. We can use a detail message. How about? > > > > if (!oldpublist) > > ereport(ERROR, > > (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), > > errmsg("subscription must contain at least one > > publication"), > > errdetail("Dropping all the publications from a > > subscription is not supported"))); > > Or how about just errmsg("cannot drop all the publications of the > subscriber \"%s\"", subname) without any error detail?
IMHO, this message without errdetail looks much better. -- Regards, Dilip Kumar EnterpriseDB: http://www.enterprisedb.com