Files
mtg_commander_life_tracker/static/PostgreSQL/31001_tri_TCG_Condition.sql
2026-03-15 19:52:21 +00:00

96 lines
3.1 KiB
PL/PgSQL

CREATE OR REPLACE FUNCTION tcg.public.FN_before_insert_TCG_Condition()
RETURNS TRIGGER AS $$
DECLARE
r_change_set RECORD;
BEGIN
NEW.created_on = COALESCE(NEW.created_on, CURRENT_TIMESTAMP);
NEW.updated_last_on = COALESCE(NEW.updated_last_on, CURRENT_TIMESTAMP);
IF NEW.change_set_id IS NULL THEN
RAISE EXCEPTION 'Change Set ID must be provided.';
END IF;
SELECT *
INTO r_change_set
FROM tcg.public.TCG_Change_Set CHANGE_SET
WHERE NEW.change_set_id = CHANGE_SET.change_set_id
;
IF FOUND THEN
NEW.created_by_user_id := COALESCE(NEW.created_by_user_id, r_change_set.updated_last_by_user_id);
NEW.updated_last_by_user_id := COALESCE(NEW.updated_last_by_user_id, r_change_set.updated_last_by_user_id);
NEW.created_on := COALESCE(NEW.created_on, r_change_set.updated_last_on);
ELSE
RAISE EXCEPTION 'Change Set % not found.', NEW.change_set_id;
END IF;
RETURN NEW;
END;
$$ LANGUAGE plpgsql
;
CREATE OR REPLACE FUNCTION tcg.public.FN_before_update_TCG_Condition()
RETURNS TRIGGER AS $$
BEGIN
NEW.updated_last_on = CURRENT_TIMESTAMP;
IF OLD.change_set_id IS NOT DISTINCT FROM NEW.change_set_id THEN
RAISE EXCEPTION 'New Change Set ID must be provided.';
END IF;
INSERT INTO tcg.public.TCG_Condition_Audit (
condition_id
, name_field
, value_prev
, value_new
, change_set_id
)
-- Changed name
SELECT NEW.condition_id, 'name', OLD.name, NEW.name, NEW.change_set_id
WHERE OLD.name IS DISTINCT FROM NEW.name
UNION
-- Changed code
SELECT NEW.condition_id, 'code', OLD.code, NEW.code, NEW.change_set_id
WHERE OLD.code IS DISTINCT FROM NEW.code
UNION
-- Changed description
SELECT NEW.condition_id, 'description', OLD.description, NEW.description, NEW.change_set_id
WHERE OLD.description IS DISTINCT FROM NEW.description
UNION
-- Changed summary
SELECT NEW.condition_id, 'summary', OLD.summary, NEW.summary, NEW.change_set_id
WHERE OLD.summary IS DISTINCT FROM NEW.summary
UNION
-- Changed us_name
SELECT NEW.condition_id, 'us_name', OLD.us_name, NEW.us_name, NEW.change_set_id
WHERE OLD.us_name IS DISTINCT FROM NEW.us_name
UNION
-- Changed price_ratio_min
SELECT NEW.condition_id, 'price_ratio_min', OLD.price_ratio_min::TEXT, NEW.price_ratio_min::TEXT, NEW.change_set_id
WHERE OLD.price_ratio_min IS DISTINCT FROM NEW.price_ratio_min
UNION
-- Changed price_ratio_max
SELECT NEW.condition_id, 'price_ratio_max', OLD.price_ratio_max::TEXT, NEW.price_ratio_max::TEXT, NEW.change_set_id
WHERE OLD.price_ratio_max IS DISTINCT FROM NEW.price_ratio_max
UNION
-- Changed active
SELECT NEW.condition_id, 'active', OLD.active::TEXT, NEW.active::TEXT, NEW.change_set_id
WHERE OLD.active IS DISTINCT FROM NEW.active
;
RETURN NEW;
END;
$$ LANGUAGE plpgsql
;
CREATE TRIGGER TRI_before_insert_TCG_Condition
BEFORE INSERT ON tcg.public.TCG_Condition
FOR EACH ROW
EXECUTE FUNCTION tcg.public.FN_before_insert_TCG_Condition()
;
CREATE TRIGGER TRI_before_update_TCG_Condition
BEFORE UPDATE ON tcg.public.TCG_Condition
FOR EACH ROW
EXECUTE FUNCTION tcg.public.FN_before_update_TCG_Condition()
;