Files
mtg_commander_life_tracker/static/PostgreSQL/31300_tri_TCG_Statistic.sql

96 lines
3.3 KiB
PL/PgSQL

CREATE OR REPLACE FUNCTION tcg.public.FN_before_insert_TCG_Statistic()
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_Statistic()
RETURNS TRIGGER AS $$
BEGIN
NEW.updated_last_on = CURRENT_TIMESTAMP;
IF OLD.change_set_id IS NOT DISTINCT FROM NEW.change_set_id THEN
RAISE EXCEPTION 'New Change Set ID must be provided.';
END IF;
INSERT INTO tcg.public.TCG_Statistic_Audit (
statistic_id
, name_field
, value_prev
, value_new
, change_set_id
)
-- Changed entity_type_code
SELECT NEW.statistic_id, 'entity_type_code', OLD.entity_type_code, NEW.entity_type_code, NEW.change_set_id
WHERE OLD.entity_type_code IS NOT DISTINCT FROM NEW.entity_type_code
UNION
-- Changed entity_record_id
SELECT NEW.statistic_id, 'entity_record_id', OLD.entity_record_id::TEXT, NEW.entity_record_id::TEXT, NEW.change_set_id
WHERE OLD.entity_record_id IS NOT DISTINCT FROM NEW.entity_record_id
UNION
-- Changed name
SELECT NEW.statistic_id, 'name', OLD.name, NEW.name, NEW.change_set_id
WHERE OLD.name IS NOT DISTINCT FROM NEW.name
UNION
-- Changed value_bool
SELECT NEW.statistic_id, 'value_bool', OLD.value_bool::TEXT, NEW.value_bool::TEXT, NEW.change_set_id
WHERE OLD.value_bool IS NOT DISTINCT FROM NEW.value_bool
UNION
-- Changed value_float
SELECT NEW.statistic_id, 'value_float', OLD.value_float::TEXT, NEW.value_float::TEXT, NEW.change_set_id
WHERE OLD.value_float IS NOT DISTINCT FROM NEW.value_float
UNION
-- Changed value_text
SELECT NEW.statistic_id, 'value_text', OLD.value_text, NEW.value_text, NEW.change_set_id
WHERE OLD.value_text IS NOT DISTINCT FROM NEW.value_text
UNION
-- Changed value_timestamp
SELECT NEW.statistic_id, 'value_timestamp', OLD.value_timestamp::TEXT, NEW.value_timestamp::TEXT, NEW.change_set_id
WHERE OLD.value_timestamp IS NOT DISTINCT FROM NEW.value_timestamp
UNION
-- Changed active
SELECT NEW.statistic_id, 'active', OLD.active::TEXT, NEW.active::TEXT, NEW.change_set_id
WHERE OLD.active IS NOT DISTINCT FROM NEW.active
;
RETURN NEW;
END;
$$ LANGUAGE plpgsql
;
CREATE TRIGGER TRI_before_insert_TCG_Statistic
BEFORE INSERT ON tcg.public.TCG_Statistic
FOR EACH ROW
EXECUTE FUNCTION tcg.public.FN_before_insert_TCG_Statistic()
;
CREATE TRIGGER TRI_before_update_TCG_Statistic
BEFORE UPDATE ON tcg.public.TCG_Statistic
FOR EACH ROW
EXECUTE FUNCTION tcg.public.FN_before_update_TCG_Statistic()
;