mysql查詢樹有多少層 mysql樹查詢及分層級

2021-10-18 12:59:07 字數 2317 閱讀 3594

drop procedure proc_fi_deptment;

delimiter //

create procedure proc_fi_deptment()

begin

/* 標記是否出錯/

declare t_error int default 0;

/* 標記是否跳出迴圈/

declare flag int default 1;

#層級declare cj int default 0;

#下層級

declare cjnext int default 0;

#個數declare sl int default 0;

/** 如果出現sql異常,則將t_error設定為1後繼續執行後面的操作 */

declare continue handler for sqlexception set t_error=1; # 出錯處理

# 開始事務

start transaction;

#建立未分層級的臨時表

delete from ofs_fi_department_temporary ;

insert into ofs_fi_department_temporary

select a.kokrs,

b.spras,

a.prctr dept_code,

b.ktext dept_name,

a.zwdlxbm dept_type_code,

b.zwdlxmc dept_type_name,

a.zzhprctr parent_dept_code,

a.datab,

a.datbi,

a.lock_ind lock_ind,

a.delfg,

a.lastupdate,

null

from sap_fi_network a

left join sap_fi_network_children b

on a.kokrs = b.kokrs

and a.prctr = b.prctr

and a.datbi = b.datbi

where a.delfg is null

and sysdate() between a.datab and a.datbi ;

update ofs_fi_department_temporary ofd set ofd.`level` = 0,ofd.parent_dept_code = null

where ofd.dept_code = '001';

create or replace table ofs_fi_department

asselect * from ofs_fi_department_temporary where dept_code= '001';

alter table `ofs_fi_department`

add index `dept_code` (`dept_code`),

add index `parent_dept_code` (`parent_dept_code`),

add index `level` (`level`);

while flag = 1 do

select count(ofd1.dept_code) into sl from ofs_fi_department ofd1 where ofd1.`level`=cj ;

if sl > 0 then

set cjnext = cj+1;

insert into ofs_fi_department

select * from ofs_fi_department_temporary ofd2 where ofd2.parent_dept_code in (select ofd3.dept_code from ofs_fi_department ofd3 where ofd3.`level` = cj);

update ofs_fi_department ofd4 set ofd4.`level` = cjnext where ofd4.`level` is null;

commit;

set cj = cj+1;

else

set flag =0;

end if;

end while;

if t_error=1 then

rollback; -- 事務回滾

else

commit; -- 事務提交

end if;

end ;

delimiter ;

call proc_fi_deptment();

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