On Thu, 3 Oct 2019 at 20:54, Tomas Vondra <tomas.von...@2ndquadrant.com> wrote:
> On Thu, Oct 03, 2019 at 07:51:04PM +0530, Natarajan R wrote: > >Thanks for your response Euler. > > > >1) > >"id" i meant by database id > > > >I make my question simple, " during pg_init i want to get databaseid's in > >which my extension is installed... " > >1. by using pg_database and pg_extension catalogs > >2. if there any other way, kindly suggest me. > > > > Well, there's also MyDatabaseId variable, which tells you the OID of the > current database. So you can use that, from the C code. In SQL, you can > simply run "SELECT current_database()" or something like that. > > Me: Thanks Tomas, But this is for that particular database only, I want to get the *list of database Id's* on which my extension is installed during *PG_INIT* itself... > > >2) > >I have one sql file which will be loaded during create extension, in that > >file only i have code for event trigger for create extension on > >ddl_command_end event.... > >My question is "When giving create extension, sql file will be loaded at > >that time only, if that is the case, this event trigger will be invoked or > >not? " > > > > I'm not sure I understand the question. Are you asking if the event > trigger will be invoked to notify you about creation of the extension > containing it? I'm pretty sure that won't happen - it will be executed > only for future CREATE EXTENSION commands. > > Me: Thanks Tomas, Yaah, what you said above is the way it should perform, but this trigger has been invoked in postgres 10.0 but not in postgres 10.4.. So, i am asking any GUC or anything need to be enabled to invoke this type of event triggers in 10.4 version tooo..
