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Wrong result using 'NOT IN' with sub-select |
Mon, Oct 8 2007 8:21 AM | Permanent Link |
"Renato Portello" | I just converted a DB from DBISAM 3 to ElevateDB and porting an =
application. I found that the following query does work only if I search for 'ABP', f= or = the oter value of 'idFornitore' it return wrong values. SELECT 'ABP', SpessoreCu FROM Ramature WHERE NOT SpessoreCu IN (SELECT SpessoreCU FROM CostoRamatureExt WHERE idFornitore =3D 'ABP') To explain: SELECT SpessoreCU FROM CostoRamatureExt WHERE idFornitore =3D 'EPITOME' return: SpessoreCU 17 35 70 105 140 210 420 If I launch the following SELECT 'EPITOME', SpessoreCu FROM Ramature WHERE SpessoreCu NOT IN (SELECT SpessoreCU FROM CostoRamatureExt WHERE idFornitore =3D 'EPITOME'= ) I expect an empty result, but I get the following Expression SpessoreCU EPITOME 35 EPITOME 70 EPITOME 105 EPITOME 140 EPITOME 210 EPITOME 420 The first record (17) is correctly filtered out from the NOT IN clause, = = but not the others. As I said the query work well only for idFornitore =3D 'ABP', for all th= e = other value it give me the same error. I used ElevateDB 1.05b2. I attach the complete DB for you to try if. Thanke Renato -- = Creato con il rivoluzionario client e-mail di Opera: = http://www.opera.com/mail/ Attachments: DB.ZIP |
Mon, Oct 8 2007 12:42 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Renato,
<< I found that the following query does work only if I search for 'ABP', for the oter value of 'idFornitore' it return wrong values. >> Okay, I found the problem and a fix will be in 1.06. Unfortunately there is no workaround at this time. The issue is that the IN search is finding a match, but not a match for the correct idFornitore value. -- Tim Young Elevate Software www.elevatesoft.com |
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