cn_hierarchy_edges_t3
BEFORE DELETE ON CN_HIERARCHY_EDGES_ALL
REFERENCING NEW as new
OLD as old
FOR EACH ROW
Type
BEFORE EACH ROW
Event
DELETE
Column
When
Referencing
REFERENCING NEW AS NEW OLD AS OLD
Body
BEGIN
UPDATE cn_hierarchy_nodes
SET ref_count = nvl(ref_count, 0) - 1
WHERE value_id = :old.value_id
AND dim_hierarchy_id = :old.dim_hierarchy_id;
END;