File size: 1,533 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 |
-- +migrate Up
ALTER TABLE escalation_policy_step
ALTER COLUMN id SET DEFAULT gen_random_uuid()::TEXT;
ALTER TABLE escalation_policy_step
ALTER COLUMN delay SET NOT NULL;
ALTER TABLE escalation_policy_step
ALTER COLUMN delay SET DEFAULT 1;
ALTER TABLE escalation_policy_step ADD UNIQUE(step_number, escalation_policy_id);
-- +migrate StatementBegin
CREATE OR REPLACE FUNCTION set_escalation_policy_step() RETURNS TRIGGER AS
$$
BEGIN
SELECT count(step_number)+1 INTO NEW.step_number FROM escalation_policy_step WHERE escalation_policy_id = NEW.escalation_policy_id;
RETURN NEW;
END;
$$ LANGUAGE 'plpgsql';
-- +migrate StatementEnd
-- +migrate StatementBegin
CREATE OR REPLACE FUNCTION incr_escalation_policy_steps_on_delete() RETURNS TRIGGER AS
$$
BEGIN
UPDATE escalation_policy_step
SET step_number = step_number-1
WHERE escalation_policy_id = OLD.escalation_policy_id
AND step_number > OLD.step_number;
RETURN OLD;
END;
$$ LANGUAGE 'plpgsql';
-- +migrate StatementEnd
CREATE TRIGGER incr_escalation_policy_steps_on_delete
AFTER DELETE ON escalation_policy_step
FOR EACH ROW
EXECUTE PROCEDURE incr_escalation_policy_steps_on_delete();
CREATE TRIGGER set_escalation_policy_step_on_insert
BEFORE INSERT ON escalation_policy_step
FOR EACH ROW
EXECUTE PROCEDURE set_escalation_policy_step();
-- +migrate Down
DROP FUNCTION set_escalation_policy_step();
|