Oracle创建function函数

 create or replace function getid(newId in number)
 　　return number
 is
 　　isInsert number(8);
 begin
 　　isInsert:=0;
 　　--查出v_calling_type
 　　select flow_id into isInsert from apply_flow1@dblinktojm where flow_id=newId;
 　　return isInsert;
 exception
 　　when others then
 　　return 0;
 
 end getid;