You can try something like
SELECT aa.account, aa.reference, aa.date, aa.value ;
FROM yourtable aa ;
WHERE aa.value > 0 AND ;
aa.account+aa.reference+DTOS(aa.date)IN ;
SELECT ab.account+ab.reference+DTOS(ab.date) ;
FROM yourtable ab WHERE ab.value <0) ;
INTO CURSOR myresult ;
UNION ;
SELECT ba.account, ba.reference, ba.date, ba.value ;
FROM yourtable ba ;
WHERE ba.value < 0 AND ba.account, ba.reference, ba.date, ba.valueIN ;
SELECT bb.account+bb.reference+DTOS(bb.date) ;
FROM yourtable bb WHERE bb.value >0)
I wrote it directly here and I didn't test it ! But it should give you the
premice of a solution ...
HTH
The Foxil
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