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drop table if exists reach cascade; drop table if exists rp cascade; drop function if exists delete_reach() cascade; CREATE TABLE reach ( id integer NOT NULL, rp integer ); CREATE TABLE rp ( id integer NOT NULL ); INSERT INTO reach (id, rp) VALUES (1,10), (2,20), (3,30), (4,40); INSERT INTO rp (id) VALUES (10), (20), (30),(40); CREATE VIEW vw_reach AS select * from reach; create or replace function delete_reach() returns trigger as ' begin DELETE FROM reach WHERE reach.id = old.id; DELETE FROM rp WHERE rp.id = old.rp; return old; end; ' language plpgsql; create trigger delete_reach_trigger instead of delete on vw_reach for each row execute procedure delete_reach(); delete from vw_reach where id = 2; select * from rp;
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10
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30
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40