而我们的数据库表结构通常是由parentId和Id组成parentId顾名思义就是父节点的ID。
树节点形如:
- | 父节点1 | |
+ |
子节点1 | |
- |
子节点2 | |
+ | 父节点2 |
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select a.ctb_id,
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b.usr_name ctb_usr_name,
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to_char(a.ctb_donatedate, 'yyyy-mm-dd') ctb_donatedate,
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c.org_shorname ctb_shorname,
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d.cod_name ctb_cod_name,
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e.usr_name ctb_add_usr_name,
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to_char(a.ctb_addtime, 'yyyy-mm-dd hh24:mi') ctb_addtime
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From lov_contribute a,
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asm_user b,
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ogm_organization c,
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asm_code d,
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asm_user e
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Where a.ctb_usr_id = b.usr_id
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and a.ctb_org_id = c.org_id
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and a.ctb_codid = d.cod_codid
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and d.cod_cdp_id = '11'
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and a.ctb_add_usr_id = e.usr_id
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and exists (select x.org_id
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from ogm_organization x
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where a.ctb_org_id = x.org_id
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CONNECT BY x.org_parentid = PRIOR x.org_id
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START WITH x.org_id = '29')
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order by ctb_id desc

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【本文仅仅记录了在实际使用过程中所遇到的相对偏僻的SQL语句,由于只为记录功能,所以并未对其进行展开或描述,相关信息请自行搜索】