oracle 写法:
--联系人列表
create or replace function func_contactlist(project_in in number) --查询条件
return varchar2 is
str_list varchar2(4000) default null; --连接后字符串
str varchar2(20) default null; --连接符号
begin
for x in (select t.linkmanname,t.workphone,t.mobilephone
from T_FINACEADVISER_LINKMAN t
where t.projectcode = project_in
order by t.orderby) loop
str_list := str_list || str || to_char(x.linkmanname) || ',' || to_char(x.workphone) || ',' || to_char(x.mobilephone);
str := ';';
end loop;
return str_list;
end;
create or replace function func_banklevel(orgid_in in number,type_in varchar2) --查询条件
return varchar2 is
str varchar2(50) ; --连接符号
--type_in 2为分行 不是2 即支行
begin
str:='';
for x in ( select t.orgid,t.orglevel,t.parentorgid,t.orgname from OM_ORGANIZATION t
connect by prior t.parentorgid=t.orgid
start with t.orgid =orgid_in)loop
if type_in='2'
then
if(x.orglevel='2')
then
str:=x.orgname;
end if;
else
if(x.orglevel='4')
then
str:=x.orgname;
end if;
if(x.orglevel='3')
then
str:=x.orgname;
end if;
end if;
end loop;
return str;
end;
/
select tt.ctest from (select a.id,b.id ,case when a.id=b.id then a.id else '0' end as ctest from a,b where a.cd = b.cd
) tt where tt.ctest !='0' 如何判断a的id是否与b的id 相同
最好效率高的
db2 写法
drop function metabase.get_date_list ;
create function metabase.get_date_list
(reportIdIn varchar(20),frequen)
一些数据库自定义函数
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转载自ywwan2.iteye.com/blog/1958586
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