今天写了一个触发器,报ORA-04088错误.
在网上查阅是说:
for each row的, 执行过程中, 不能 SELECT / UPDATE / DELETE 当前的被触发的表.
感觉很经典的一句话.
网上有其他方案:感觉不太好用.
------解决方案--------------------
不能对基表进行操作。
用自治事务试下,在declare里面加入
PRAGMA AUTONOMOUS_TRANSACTION;
------解决方案--------------------
贴一下我的触发器,这里面就出现了当前被触发的表,所以有问题:
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create or replace trigger trig_t_felix_resource
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after insert or delete or update on t_felix_resource for each row--每更新一行就会触发一次
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begin
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declare
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cursor deptments is
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select * from PF_ORG_DEPARTMENT t where t.name like '%电业局' or t.code ='SGSBB';
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cursor types is
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select * from T_NAME_MAPPING m where m.type = '物理资源类' and m.code != '链路';
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v_deptName VARCHAR2(20);--地市的名称
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v_typeName VARCHAR2(20);
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v_devNum number;
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begin
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--获取地市的名称
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for v_dept in deptments loop--for循环时v_dept不需要申明
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v_deptName := substr(v_dept.name,0,2);
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if (v_deptName = 'xx') then
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v_deptName := 'yyy';
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end if;
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--获取资源的六大类型
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for v_type in types loop
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v_typeName := v_type.code;
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select count(t.id) into v_devNum
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from t_resourceinfo t, t_felix_resource t1
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where t.org_code in (select t.code
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from pf_org_department t
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start with t.id = v_dept.id
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connect by prior id = parent_id)
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and t.bus_res_type_id in
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(select ty.id
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from t_resource_type ty
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start with ty.id = v_type.name
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connect by prior id = pid)
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and t.id = t1.resource_id;
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--删除对应的一条记录
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delete from t_trig_dev_station ttds
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where ttds.location=v_deptName and ttds.devtype=v_typeName;
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--插入对应的一条新记录
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insert into t_trig_dev_station (id, location, devtype, devnum)
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values (sys_guid(), v_deptName, v_typeName, v_devNum);
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end loop;
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end loop;
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end;
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end;
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