备份触发器：ADDC3

CREATE OR REPLACE TRIGGER "XMV502"."ADDC3"
  before insert on bd_cubasdoc
  for each row
declare
  -- local variables here
  i number(1);
begin
 select count(1)into i from bd_cubasdoc
where custname=:new.custname 
     or (engname=:new.engname and length(:new.engname)>3) --营业执照或身份照
     or (taxpayerid=:new.taxpayerid and length(:new.taxpayerid)>3);--纳税人登记号
  if i>0 or
    regexp_like(:new.custname,‘[[:space:]]‘) 
     then
    begin
      raise_application_error(-20001,‘客商已存在或有空格，请在已有客商修改增行！‘);
      end;
  
      end if;
   
end;