--找自己和老子
SELECT task_number parent_task_number
FROM pa_tasks
CONNECT BY PRIOR parent_task_id = task_id
START WITH task_id = 8029;
--找自己和儿子
SELECT task_number parent_task_number
FROM pa_tasks
CONNECT BY parent_task_id = PRIOR task_id
START WITH task_id = 8029;
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/28411222/viewspace-1067867/
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