sapbw如何避免增强的字段失去增量机制

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1、HongtianZhangeditedOn2012-08-14HowtoavoidthestandarddeltafunctiondisabledwhenwewanttoenhancenewfieldintheECCside?NowItakeonefieldasoneexampleasbelow:OurBWTeamreceivedonerequirementthatweneedaddonenewfieldinthestandardtablevizVBAKinECCside.Whenwelogonthesyste

2、mandInputT-code:se11andVBAKtableNameWefindoutwehadenhancedthesetwofieldsinthestandardstructure.HongtianZhangeditedOn2012-08-14Sothatisourkeypointshowcanwekeepdeltaupdatecanbesuccessfulforthesetwonewaddedfields.Therearesomepointsneedtopayattentionasbelow:1.Fo

3、rustokeepalldateaccurateandnomissinginProenvironment,firstlyweneedcheckoutboundqueue,typeSMQ1.InthereyoucancheckallqueueiftheyarealreadyextractedbyzeroorthecolumnEntriesisstillfulfilledbydata.2.Nextifwefoundalldataarestillfulfilledwithlotsofdataandweshouldde

4、finitelypushalldatatoDeltaqueue.InputLBWE.ClicktherelateddataSourceanddefineonejobtoexecuteandextractalldatafromoutboundqueuetoDeltaqueue.3.Afterexecuteallactionandturnbacktocheckoutboundqueueifithasbeenextractedtozero.Ifdone,thatisgreatandwecanreturntoBWsys

5、temandextractalldatafromDeltaqueuefromECCside.HongtianZhangeditedOn2012-08-14NowreturntoournormaltopicanddiscusshowtokeepDeltaUpdateisavailablefornewaddedfields.Forourenhancementwecangottwokindsofsituations.ØOneisthattoenhanceonefieldormore,ifwedeterminetoen

6、hanceonefiledintableVBAK,ifweobtainthisvalueofenhancedfieldbyselectingthestandardfieldinVBAK,thatisverygreatwecankeepthedeltaupdateenabledanyway.TableAField1Field2Field3Field4NewaddedFields(ColumnR)Eg.IfweaddedRfieldintheTableAbymakinguseofField1andField2and

7、Field3todetermineRField.Sointhiscase,Deltaupdatewillbestillavailableanyway.ØAnotheristhattoenhanceonefieldormore,ifwedeterminetoenhanceonefiledintableVBAK,ifweobtainthisvalueofenhancedfieldbyselectingvaluefromanothertable,sothedeltaqueueisdisabledyoumustthin

8、kofanothermethodtokeepdeltaextractingsuccessfully.TableAField1Field2Field3Field4NewaddedFields(ColumnR)TableBField1Field2Field3Field4Field5Eg.ifwewanttoenhanceRfieldinTableA,andweneedselectsomen