The following bug has been logged on the website:
Bug reference: 15456
Logged by: Sean Johnston
Email address: sean.johnston@edgeintelligence.com
PostgreSQL version: 11.0
Operating system: Ubuntu 14.04
Description:
-- 1. create trigger function
create or replace function trig() returns trigger as $$
begin
if TG_OP = 'INSERT' then
raise notice 'INSERT: %', ROW(NEW.*);
end if;
return null;
end $$ language plpgsql;
-- 2. create table
drop table if exists t;
create table t (id integer) tablespace pg_default;
-- 3. create a trigger on the table for each row
create trigger do_trig
after insert or update or delete on t
for each row
execute procedure trig();
-- 4. insert a row
insert into t(id) values (1);
-- 5. add a column to the table
alter table t add val text;
-- 6. insert a new row referencing the new column
insert into t(id,val) values (2,'new');
------
Output from notices:
psql:1.sql:18: NOTICE: INSERT: (1)
psql:1.sql:22: NOTICE: INSERT: (2)
Expected output:
psql:1.sql:18: NOTICE: INSERT: (1)
psql:1.sql:22: NOTICE: INSERT: (2,new)
Note that if a new session is started before performing the second insert
then the expected output is produced.