Возвращается Null вместо значений в одном из полей |
SELECT aData.Date, apData.pT1, aData.T1 AS T1, anData.nT1, aData.T2, apData.pT3, aData.T3 AS T3, anData.nT3, aData.T4, aData.M1, aData.M2, aData.M3, aData.M4, aData.V1, aData.V2, aData.V3, aData.V4, aData.dQ1, aData.dQ2, aData.WorkTime1, aData.WorkTime2, IIf((aData.T1<fLowLimT1() And (apData.pT1<fLowLimT1() Or anData.nT1<fLowLimT1())),1,0) AS 1Low, IIf((aData.T3<fLowLimT3() And (apData.pT3<fLowLimT3() Or anData.nT3<fLowLimT3())),1,0) AS T3Low FROM apData INNER JOIN (anData INNER JOIN aData ON anData.Date = aData.Date) ON apData.Date = aData.Date WHERE (((aData.Date) Between fStDate() And fEndDate())) ORDER BY aData.Date;
http://www.sql.ru/forum/1167775/vozvrashhaetsya-null-vmesto-znacheniy-v-odnom-iz-poley
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