问大容量收集到对象的表类型

EN

CREATE OR REPLACE TYPE "T_PPW_WORK"  as object                                     
    (          
      nObjectKey   number,  
      cJobType     varchar2(500),  
      dPlanStart   date,
      dPlanEnd     date,
      cExecutor    varchar2(500),
      cComment     varchar2(4000)
    )

    CREATE OR REPLACE TYPE "T_PPW_WORK_TABLE" as table of T_PPW_WORK;                                         


      function getPlannedOverdueJobs(in_nPlanKey number) return T_PPW_WORK_TABLE is
        l_oWorks T_PPW_WORK_TABLE;    
        l_oWork T_PPW_WORK;    
      begin

        select * bulk collect
          into l_oWorks
          from (select jta.nobject_id,
                       jt.cjobtype_name,                           
                       jta.dactual_start,
                       jta.dactual_finish,
                       st.familiya,
                       jta.ccomment
                  from ppw_jobtype_assign jta
                  left join pgts_sotrudnik st
                    on jta.nworkerid = st.npgts_sotrudnikkey
                  join ppw_jobtype jt
                    on jta.njobtype_id = jt.njobtype_key);
        return l_oWorks;
      end getPlannedOverdueJobs;