11 lines
318 B
SQL
11 lines
318 B
SQL
CREATE TRIGGER trg_requirement_check_culture_update
|
|
BEFORE UPDATE ON requirement
|
|
WHEN NEW.req_type='CULTURE'
|
|
BEGIN
|
|
SELECT CASE
|
|
WHEN NEW.req_id IS NULL OR NOT EXISTS (SELECT 1 FROM culture WHERE id=NEW.req_id)
|
|
THEN RAISE(ABORT,'requirement.req_id must reference culture.id for CULTURE (UPDATE)')
|
|
END;
|
|
END;
|
|
|