COSTAGE/src-modules/module/costage/hilfstabellen/costage_st_studien_aggr_fuellen.sql

--freemarker template


SELECT
SM.semester_tid as semester,
SG.st_absz_nr,
SG.st_skz_nr,
SG.studiengangs_identifikator,
SG.studiengangs_bezeichnung,
SM.st_sem_nr,
ST.st_studium_nr,
S.st_studstamm_nr,
ST.st_studiengang_nr,
SG.studiengangs_typ_kb,
SA.studienstatustyp,
SA.st_studienstatus_nr,
SA.beginn_datum,
SA.gueltig_ab,
val(S.matrikelnummer) as matrikelnummer,
S.geschlecht,
S.ca12_staat,
S.second_nationality,
SG.fachkennzeichen,
ST.studienform_statistik_code,
null::integer as st_studiengang_nr_msg,
null::integer as st_studiengang_nr_tsg,
null::integer as studienfach_sortierung,
null::char(10) as hrst,
null::integer as fachsemester,
null::integer as hssem,
null::char(10) as statustyp,
--0::smallint as primaerflag,
null::integer as studiengang_nr,
null::integer as fach_nr,
null::char(10) as unikey,
null::date as anfdat,
null::date as ruebeudat,
null::date as endedat,
null::smallint as kz_rueck_beur_ein,
rank () over (partition by SM.st_sem_nr, S.st_studstamm_nr, SG.studiengangs_identifikator order by SA.gueltig_ab desc) as status_historie
into temp tmp_studien
FROM costage_st_studierendenstammdaten S,
 costage_st_studien ST,
 costage_st_semester SM,
 costage_st_studiengaenge SG ,
 costage_st_studienstatus SA

where
S.st_studstamm_nr = ST.st_studstamm_nr
and ST.st_studiengang_nr=SG.st_studiengang_nr
and S.matrikelnummer is not null
--and SM.semester_tid  >= 20171
-- and SM.semester_tid <= 20171
--and S.matrikelnummer  in ('1415093')
and SG.studiengangs_typ_kb in ('ESG','TSG')
and SA.st_studium_nr=ST.st_studium_nr
and SA.st_sem_nr=SM.st_sem_nr
and SA.studienstatustyp not in ('a','o') 
and ${COSTAGE_STUDENT_FILTER}
--group by 1,2,3,4,5,6,7,8,9,10,11,12,13
;
-- select  * from tmp_studien
-- update tmp_studien
-- set abschluss_str=A.name
-- from costage_st_abschlussziele_lokal A
-- where A.st_absz_nr=tmp_studien.abschluss
-- ;

update tmp_studien
set hrst=H.hoererstatus_kb
from costage_st_hoererstatus H
where tmp_studien.st_studstamm_nr = H.st_studstamm_nr
and tmp_studien.st_sem_nr = H.st_sem_nr
;


update tmp_studien
set fachsemester=F.fachsemester
from costage_st_fachsemester F
where F.st_studium_nr=tmp_studien.st_studium_nr
and F.st_sem_nr=tmp_studien.st_sem_nr
and F.fachsemestertyp='FS'
;


select T.*,1::smallint as primaerflag
into temp tmp_studien2
from tmp_studien T, costage_st_hauptstudien H
 where H.st_studstamm_nr=T.st_studstamm_nr
 and H.st_studium_nr=T.st_studium_nr
 and H.st_sem_nr=T.st_sem_nr
 and status_historie=1
 ;
--Studiengänge ohne Primärflag:
insert into tmp_studien2
select T.*,0::smallint as primaerflag
from tmp_studien T left outer join costage_st_hauptstudien H
on (H.st_studstamm_nr=T.st_studstamm_nr
 and H.st_studium_nr=T.st_studium_nr
 and H.st_sem_nr=T.st_sem_nr)
 where T.status_historie=1
 and H.st_studstamm_nr is null
 ;

drop table tmp_studien;


--Ermittlung msg:
update tmp_studien2 set st_studiengang_nr_msg=M.st_studiengang_nr_msg
from costage_st_studiengaenge_mtsg M, costage_st_studien ST
where ST.st_studiengang_nr=M.st_studiengang_nr_msg
and ST.st_studstamm_nr=tmp_studien2.st_studstamm_nr
and M.st_studiengang_nr_tsg=tmp_studien2.st_studiengang_nr
and tmp_studien2.studiengangs_typ_kb ='TSG'
;

--Ermittlung fach_nr:
update tmp_studien2 set fach_nr=M.studienfach_sortierung
from costage_st_studiengaenge_mtsg M
where M.st_studiengang_nr_msg=tmp_studien2.st_studiengang_nr_msg
and M.st_studiengang_nr_tsg=tmp_studien2.st_studiengang_nr
and tmp_studien2.studiengangs_typ_kb ='TSG'
;

update tmp_studien2 set fach_nr=1
where fach_nr is null;

--Ermittlung status bei TSG aus MSG:
update tmp_studien2 set studienstatustyp=SA.studienstatustyp
from costage_st_studienstatus SA, costage_st_studiengaenge SG ,costage_st_studien ST
where SG.st_studiengang_nr=tmp_studien2.st_studiengang_nr_msg
and ST.st_studium_nr=SA.st_studium_nr
and ST.st_studstamm_nr=tmp_studien2.st_studstamm_nr
and SA.st_sem_nr=tmp_studien2.st_sem_nr
and SA.gueltig_ab=tmp_studien2.gueltig_ab
and tmp_studien2.studiengangs_typ_kb ='TSG'
;




update tmp_studien2 set unikey=K.unikey
from costage_st_studiengaenge G, costage_st_studienkennzahlen K
where G.st_studiengang_nr=tmp_studien2.st_studiengang_nr
and K.st_skz_nr=G.st_skz_nr
;

update tmp_studien2 set kz_rueck_beur_ein=(select val(astat)
from cifx where key=400 
and apnr=tmp_studien2.studienstatustyp
);

update tmp_studien2
set hssem=1 where kz_rueck_beur_ein=1;
;

update tmp_studien2 set studiengang_nr=1 where primaerflag=1;

--Wenn Studium  mit Primärflag ein TSG ist, wird die studiengang_nr auf alle anderen TSG des MSG ausgedehnt: 
select st_studstamm_nr,semester,st_studiengang_nr_msg
into temp tmp_primaer_msg
from tmp_studien2
where studiengangs_typ_kb ='TSG'
and st_studiengang_nr_msg is not null
and primaerflag=1;

--select * from tmp_primaer_msg;

update tmp_studien2 set studiengang_nr=1 where primaerflag=0
and studiengangs_typ_kb ='TSG'
and exists (select st_studiengang_nr_msg
from tmp_primaer_msg T
where T.st_studstamm_nr=tmp_studien2.st_studstamm_nr
and T.semester=tmp_studien2.semester
and T.st_studiengang_nr_msg=tmp_studien2.st_studiengang_nr_msg
)
;

select  distinct st_studiengang_nr_msg, matrikelnummer, semester  
into temp   temp_tmp_studien2 
from tmp_studien2 
where primaerflag =1 
and studiengangs_typ_kb ='TSG';


delete from costage_st_studien_aggr
--provisorisch in Testphase:
where ${COSTAGE_STUDENT_FILTER};


;
insert into costage_st_studien_aggr(
st_studium_nr,
       st_studstamm_nr,
       matrikelnummer,
       st_studiengang_nr,
       st_studienstatus_nr,
       statustyp,
       hrst,
       semester,
       fachsemester,
       hssem,
       primaerflag,
       studiengang_nr,
       fach_nr,
       unikey,
       anfdat,
       ruebeudat,
       endedat,
       stufrm,
       kz_rueck_beur_ein
       )
       
select st_studium_nr,
       st_studstamm_nr,
       matrikelnummer,
       st_studiengang_nr,
       st_studienstatus_nr,
       studienstatustyp,
       hrst,
       semester,
       fachsemester,
       hssem,
       primaerflag,
--Nun ist studiengang_nr=1 definiert. Die restlichen werden mit RANK ermittelt:
        -- (case when studiengang_nr is not null then studiengang_nr
       -- else 
       -- dense_rank () over (partition by semester, st_studstamm_nr,studiengang_nr  order by 
        -- (case when studiengangs_typ_kb='TSG' then st_absz_nr else st_studium_nr end ))+1
        -- end)
 -- as studiengang_nr,

 (case when studiengangs_typ_kb ='TSG' then
  (case when primaerflag =1
    then 1
    else
      (case when st_studiengang_nr_msg in (select distinct T2.st_studiengang_nr_msg from temp_tmp_studien2 T2
        where  tmp_studien2.matrikelnummer = T2.matrikelnummer and tmp_studien2.semester = T2.Semester)
        then 1
        else
          dense_rank () over (partition by semester, st_studstamm_nr,studiengang_nr  order by(case when studiengangs_typ_kb='TSG' then st_absz_nr  else st_studium_nr end ))+1
  end )end)
  else
    (case when primaerflag =1
    then 1
    else
    dense_rank () over (partition by semester, st_studstamm_nr,studiengang_nr  order by(   case when studiengangs_typ_kb='TSG' then st_absz_nr  else st_studium_nr end  ))+1
    end) end )   as studiengang_nr2,
        (case when primaerflag =1 then 1
       else 
       dense_rank () over (partition by semester, st_studstamm_nr,studiengang_nr  
       order by fach_nr)
        end) as fach_nr,
       unikey,
       beginn_datum as anfdat,
      (case when studienstatustyp not in ('Z','X') then null::date 
       else gueltig_ab end) as ruebeudat,
       (case when studienstatustyp in ('Z','X') then gueltig_ab 
       else null::date end) as endedat,
       studienform_statistik_code as stufrm,
       kz_rueck_beur_ein
       from tmp_studien2
      -- where semester = 20202
       --and matrikelnummer = '5545242'
      where kz_rueck_beur_ein is not null


-- The below code appends the data for the records having kz_rueck_beur_ein as NULL, this data could be helpful for other diagonostic purpose; here this is segregated 
-- from above to accomodate ranking in  studiengangNummer field
union
       
select st_studium_nr,
       st_studstamm_nr,
       matrikelnummer,
       st_studiengang_nr,
       st_studienstatus_nr,
       studienstatustyp,
       hrst,
       semester,
       fachsemester,
       hssem,
       primaerflag,
--Nun ist studiengang_nr=1 definiert. Die restlichen werden mit RANK ermittelt:
        -- (case when studiengang_nr is not null then studiengang_nr
       -- else 
       -- dense_rank () over (partition by semester, st_studstamm_nr,studiengang_nr  order by 
        -- (case when studiengangs_typ_kb='TSG' then st_absz_nr else st_studium_nr end ))+1
        -- end)
 -- as studiengang_nr,
cast (NULL as int)   as studiengang_nr2,
        (case when primaerflag =1 then 1
       else 
       dense_rank () over (partition by semester, st_studstamm_nr,studiengang_nr  
       order by fach_nr)
        end) as fach_nr,
       unikey,
       beginn_datum as anfdat,
      (case when studienstatustyp not in ('Z','X') then null::date 
       else gueltig_ab end) as ruebeudat,
       (case when studienstatustyp in ('Z','X') then gueltig_ab 
       else null::date end) as endedat,
       studienform_statistik_code as stufrm,
       kz_rueck_beur_ein
       from tmp_studien2
       --where semester = 20202
      -- and matrikelnummer = '5847370'
      where  kz_rueck_beur_ein is  null
       ;
       
drop table tmp_studien2;
drop table tmp_primaer_msg;
drop table temp_tmp_studien2;