sql - Grouping data with specified max data -


good day, i'm sorry title. ok, example have data

outletasal  outlettujuan    remark  externaldocno   itemcode    qty k-aeon        k-ar4         dus 20  closing       wfs170402776  2 k-aeon        k-ar4         dus 20  closing       wfs170402758  1 k-aeon        k-ar4         dus 20  closing       wfs170402790  1 k-aeon        k-ar4         dus 20  closing       wfs170502796  2 k-aeon        k-ar4         dus 20  closing       whs170400011  1 k-aeon        k-ar4         dus 20  closing       whs170400015  1 k-aeon        k-ar4         dus 21  closing       whs170400015  1

so, want achieve (grouping outletasal,outlettujuan,remark,extrnaldocno maximum 5 records, if there 6 records make 2 headers)

#header outletasal  outlettujuan    remark  externaldocno headerid k-aeon        k-ar4         dus 20  closing         1 k-aeon        k-ar4         dus 20  closing         2 k-aeon        k-ar4         dus 21  closing         3  #detail      itemcode     qty  headerid     wfs170402776   2     1     wfs170402758   1     1     wfs170402790   1     1     wfs170502796   2     1     whs170400011   1     1     whs170400015   1     2     whs170400015   1     3

for have query header part

select ltrim(rtrim(outletasal)) outletasal,ltrim(rtrim(outlettujuan)) outlettujuan,remark, row_number() over(order outletasal,outlettujuan,remark asc) urut #tempgroup importcsvdo group outletasal ,outlettujuan , remark ,externaldocno

with query above , not expected (please check above)

outletasal  outlettujuan    remark  urut k-aeon       k-ar4           dus 20 1 k-aeon       k-ar4           dus 21 2

thanks in advance , sorry bad english.

you use modulo (%) in sql this

;with temp (     select *,          row_number() over(partition outletasal ,outlettujuan , remark ,externaldocno order ic.id) rn     importcsvdo ic ) select  outletasal,        outlettujuan,        remark,        externaldocno,        row_number() over(order outletasal,outlettujuan,remark asc) headerid,        t.rn groupheaderid  temp t t.rn % 5 = 1

and detail table (assuming have header table)

;with temp (     select *,          row_number() over(partition outletasal ,outlettujuan , remark ,externaldocno order ic.id) rn     @sampledata ic ) select t.itemcode,       qty,              ht.headerid headerid temp t inner join @headertable ht on     t.outletasal = ht.outletasal                           , t.outlettujuan = ht.outlettujuan                           , t.remark = ht.remark                           , t.externaldocno = ht.externaldocno                           , (t.rn - 1) / 5 = (ht.groupheaderid - 1) / 5

see demo here

http://rextester.com/amdk48783


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