今天測試在執行乙個sql語句的時候，報錯ora-00979錯誤。
sql如下：
select rownum, k.*
from (select a.t_contract_begindate,
a.t_contract_enddate,
a.t_contract_id as t_contract_id,
a.t_contract_code as t_contract_code,
a.t_contract_name as t_contract_name,
(select user_name
from t_pub_user u
where u.user_id = a.t_contract_creator) as t_contract_creator,
a.t_contract_createtime as t_contract_createtime,
(select d.dept_name
from t_pub_dept d
where d.dept_id = a.t_contract_chengbandept) as t_contract_zhubandept,
(select u.user_name
from t_pub_user u
where u.user_id = a.t_contract_chengbanuser) as t_contract_chengbanuser,
(select u.user_name
from t_pub_user u
where u.user_id = a.t_contract_execuser) as t_contract_execdeptuser,
(select s.name
from t_con_status s
where s.code = a.t_contract_curstate) as t_contract_curstate,
(select base.t_base_valuename
from t_con_base base
where base.t_base_valueid = a.t_contract_phase) as t_contract_phase,
(select base.t_base_valuename
from t_con_base base
where base.t_base_valueid = a.t_contract_type) as t_contract_type,
a.t_contract_validflag as t_contract_validflag,
a.t_contract_signdate as t_contract_signdate,
a.t_contract_signperson as t_contract_signperson,
a.t_contract_sendcheckdate as t_contract_sendcheckdate,
a.t_contract_checkenddate as t_contract_checkenddate,
b.t_finance_rmbmoney as t_finance_rmbmoney,
b.t_finance_money as t_finance_money,
v.jingbanuser as jingbanuser,
v.jingbandept as jingbandept
from t_con_contract a
left join t_con_finance b on a.t_contract_id =
b.t_finance_contractid
left join t_con_consupplier g on a.t_contract_id = g.contractid
where a.t_contract_validflag = 1
where t_contract_id = a.t_contract_id)
and 1 = 1
and a.t_contract_company = '0'
and (a.t_contract_htgs = 'cmhn' or
',' || v.jingbanuser || ',' like '%,admin,%')
and (a.t_contract_curstate in ('50', '40', '84', '60', '$$$$'))
order by t_contract_createtime desc) k
where rownum < 1001
在網上查了一下資料，可能為oracle乙個bug,需要修改oracle的乙個設定：
在pl sql中執行：
alter system set "_complex_view_merging" = false scope = spfile;
然後重啟oracle，再執行sql語句，執行正常。
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