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Removing the last child record from same parent if seque
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To
29/06/2015 11:23:19
General information
Forum:
Microsoft SQL Server
Category:
SQL syntax
Environment versions
SQL Server:
SQL Server 2012
Application:
Web
Miscellaneous
Thread ID:
01621484
Message ID:
01621553
Views:
35
>>Try (from the top of my head - play with the idea):
>>
>>;with cteRanges as (select *, row_number() over (partition by ClientID order by DateCol desc) as RowNumber,
>>
>> row_number() over (partition by ClientID order by DateCol desc)  - row_number() over(partition by ClientID order by DateCol desc,
>>case when status = 7 then 1 else 2 end) as Grp from Invoices)
>>
>>select * from cteRanges where Grp = 0 and RowNumber >=2
>
>Grp 1 and 2 is not used in the final query. What would be the use to calcultate it in the first command?

I don't understand your question. BTW, the query should be
select * from cteRanges where Grp = 0 and RowNumber >=2 and Status = 7
The idea is to mark consecutive ranges of the particular status.
If it's not broken, fix it until it is.


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