From cb1d0b27d6e3c28e12eb448d90da482d180dfdd2 Mon Sep 17 00:00:00 2001
From: apandey <apandey@uni-koeln.de>
Date: Tue, 2 Nov 2021 09:51:34 +0100
Subject: [PATCH] Added Union in the final insert

---
 .../costage_st_studien_aggr_fuellen.sql       | 52 +++++++++++++++++--
 1 file changed, 49 insertions(+), 3 deletions(-)

diff --git a/src-modules/module/costage/hilfstabellen/costage_st_studien_aggr_fuellen.sql b/src-modules/module/costage/hilfstabellen/costage_st_studien_aggr_fuellen.sql
index 6cd9e30..38eca50 100644
--- a/src-modules/module/costage/hilfstabellen/costage_st_studien_aggr_fuellen.sql
+++ b/src-modules/module/costage/hilfstabellen/costage_st_studien_aggr_fuellen.sql
@@ -52,7 +52,7 @@ 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 ='7322871'
+--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
@@ -230,6 +230,7 @@ select st_studium_nr,
         -- (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
@@ -244,8 +245,50 @@ select st_studium_nr,
     (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,
+    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  
@@ -260,6 +303,9 @@ select st_studium_nr,
        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;