Unpivot and Pivot does not return data -


i'm trying return data columns.

i've written unpivot , pivot query:

`select stockitemcode, barcode, barcode2 (select stockitemcode, col+cast(seq varchar(20)) col, value    ( select    (select min(stockitemcode)     rtlbarcode t2    t.stockitemcode = t2.stockitemcode) stockitemcode,    cast(barcode varchar(20)) barcode,       row_number() over(partition stockitemcode order stockitemcode) seq rtlbarcode t) d  unpivot( value col in (barcode)  ) unpiv) src pivot (  max(value)  col in (barcode, barcode2)) piv;`

but problem "barcode2" field returning value (the barcode field returns null when in fact there value.

sample data

i have table called rtlbarcode has field called barcode , field called stockitemcode

for stockitemcode = 10 have 2 rows barcode value of 5014721112824 , 0000000019149.

can see going wrong?

many thanks

you indexing barcode in unpiv. results in col's-values barcode1 , barcode2.

but pivoting on barcode instead of barcode1. no value found , aggregate returns null.

the correct statement be:

select stockitemcode, barcode1, barcode2  (     select stockitemcode, col+cast(seq varchar(20)) col, value              (         select                  (select min(stockitemcode)from rtlbarcode t2 t.stockitemcode = t2.stockitemcode) stockitemcode,                   cast(barcode varchar(20)) barcode,                  row_number() over(partition stockitemcode order stockitemcode) seq         rtlbarcode t      ) d        unpivot(value col in (barcode)) unpiv ) src  pivot (max(value) col in (barcode1, barcode2)) piv

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