Hello Guys,
ERROR: could not convert table "b" to a view because it has triggers
HINT: In particular, the table cannot be involved in any foreign key relationships.
********** Error **********
ERROR: could not convert table "b" to a view because it has triggers
SQL state: 55000
Hint: In particular, the table cannot be involved in any foreign key relationships.
Scenario:
create table a (id int primary key);
create table b (id int primary key, a_id int references a (id));
insert into a values (1);
insert into b values (1,1);
create table c AS SELECT * FROM b;
TRUNCATE b;
ALTER TABLE b DROP CONSTRAINT b_a_id_fkey;
ALTER TABLE b DROP CONSTRAINT b_pkey;
ALTER TABLE b ALTER COLUMN id DROP NOT NULL;
CREATE RULE "_RETURN" AS ON SELECT TO b DO INSTEAD SELECT * FROM C;