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Sort and Sum fields functioning

 
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Anu Narayanan

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Joined: 12 Sep 2005
Posts: 20
Location: USA

PostPosted: Wed Jan 10, 2007 1:33 am    Post subject: Sort and Sum fields functioning
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Hi,

I want to know how this SORT step would work out.

SORT FIELDS=(1,3,CH,A,4,4,CH,A,8,4,PD,A,12,5,PD,A,17,2,CH,A,
19,7,CH,A,26,3,CH,A,29,7,CH,A,36,7,CH,A,
43,1,CH,A,44,5,PD,A,49,5,PD,A,54,2,PD,A,
56,2,CH,A,58,2,CH,A,60,2,CH,A,62,1,CH,A,63,2,CH,A,
65,2,PD,A,77,4,PD,A),FILSZ=E700000
SUM FIELDS=(67,5,72,5),FORMAT=PD

Does it mean that if all the above sorted fields are identical for more than one record except those fields specified in the SUM FIELDS, then the values specified SUM FIELDS fields are totalled and written as one record.

If consider like out of the 20 fields specified in Sort fields, 10 are identical and 10 fields vary, how do the sum is significant here.

Hope My questions is clear .

Thanks for your answers.
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Frank Yaeger

DFSORT Moderator


Joined: 15 Feb 2005
Posts: 7130
Location: San Jose, CA

PostPosted: Wed Jan 10, 2007 1:44 am    Post subject:
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Quote:
Does it mean that if all the above sorted fields are identical for more than one record except those fields specified in the SUM FIELDS, then the values specified SUM FIELDS fields are totalled and written as one record.


Yes.

Quote:
If consider like out of the 20 fields specified in Sort fields, 10 are identical and 10 fields vary, how do the sum is significant here


The output records will be identical to the input records in that case. Since none of the records have matching keys for all of the sort fields, none of the records will be summed.
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Anu Narayanan

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Joined: 12 Sep 2005
Posts: 20
Location: USA

PostPosted: Wed Jan 10, 2007 1:48 am    Post subject: Re: Sort and Sum fields functioning
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Thanks Frank for your answers. It was helpful.
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