775 static int fuzzSelectChange(FuzzChangeset *pParse, FuzzChange *pChange){  in fuzzSelectChange()  argument
778   memset(pChange, 0, sizeof(FuzzChange));  in fuzzSelectChange()
779   pChange->eType = fuzzRandomInt(FUZZ_COLUMN_DEL) + 1;  in fuzzSelectChange()
781   assert( pChange->eType==FUZZ_VALUE_SUB  in fuzzSelectChange()
782        || pChange->eType==FUZZ_VALUE_MOD  in fuzzSelectChange()
783        || pChange->eType==FUZZ_VALUE_RND  in fuzzSelectChange()
784        || pChange->eType==FUZZ_CHANGE_DUP  in fuzzSelectChange()
785        || pChange->eType==FUZZ_CHANGE_DEL  in fuzzSelectChange()
786        || pChange->eType==FUZZ_CHANGE_TYPE  in fuzzSelectChange()
787        || pChange->eType==FUZZ_CHANGE_FIELD  in fuzzSelectChange()
788        || pChange->eType==FUZZ_CHANGE_INDIRECT  in fuzzSelectChange()
789        || pChange->eType==FUZZ_GROUP_DUP  in fuzzSelectChange()
790        || pChange->eType==FUZZ_GROUP_DEL  in fuzzSelectChange()
791        || pChange->eType==FUZZ_GROUP_SWAP  in fuzzSelectChange()
792        || pChange->eType==FUZZ_COLUMN_ADD  in fuzzSelectChange()
793        || pChange->eType==FUZZ_COLUMN_ADDPK  in fuzzSelectChange()
794        || pChange->eType==FUZZ_COLUMN_DEL  in fuzzSelectChange()
797   pChange->iGroup = fuzzRandomInt(pParse->nGroup);  in fuzzSelectChange()
798   pChange->iChange = fuzzRandomInt(pParse->nChange);  in fuzzSelectChange()
799   if( pChange->eType==FUZZ_CHANGE_FIELD ){  in fuzzSelectChange()
801     pChange->iChange = fuzzRandomInt(pParse->nUpdate);  in fuzzSelectChange()
804   pChange->iDelete = -1;  in fuzzSelectChange()
805   if( pChange->eType==FUZZ_COLUMN_DEL ){  in fuzzSelectChange()
806     FuzzChangesetGroup *pGrp = pParse->apGroup[pChange->iGroup];  in fuzzSelectChange()
808     pChange->iDelete = fuzzRandomInt(pGrp->nCol);  in fuzzSelectChange()
810       if( pGrp->aPK[i] && pChange->iDelete!=i ) break;  in fuzzSelectChange()
815   if( pChange->eType==FUZZ_GROUP_SWAP ){  in fuzzSelectChange()
817     int iGrp = pChange->iGroup;  in fuzzSelectChange()
819     while( iGrp==pChange->iGroup ){  in fuzzSelectChange()
822     pGrp = pParse->apGroup[pChange->iGroup];  in fuzzSelectChange()
823     pParse->apGroup[pChange->iGroup] = pParse->apGroup[iGrp];  in fuzzSelectChange()
827   if( pChange->eType==FUZZ_VALUE_SUB   in fuzzSelectChange()
828    || pChange->eType==FUZZ_VALUE_MOD   in fuzzSelectChange()
829    || pChange->eType==FUZZ_VALUE_RND   in fuzzSelectChange()
832     pChange->pSub1 = pParse->apVal[iSub];  in fuzzSelectChange()
833     if( pChange->eType==FUZZ_VALUE_SUB ){  in fuzzSelectChange()
835       pChange->pSub2 = pParse->apVal[iSub];  in fuzzSelectChange()
837       pChange->pSub2 = pChange->aSub;  in fuzzSelectChange()
840     if( pChange->eType==FUZZ_VALUE_RND ){  in fuzzSelectChange()
841       pChange->aSub[0] = (u8)(fuzzRandomInt(5) + 1);  in fuzzSelectChange()
842       switch( pChange->aSub[0] ){  in fuzzSelectChange()
845           fuzzPutU64(&pChange->aSub[1], iVal);  in fuzzSelectChange()
854           fuzzPutU64(&pChange->aSub[1], iVal1);  in fuzzSelectChange()
861           pChange->aSub[1] = (u8)nByte;  in fuzzSelectChange()
862           fuzzRandomBlob(nByte, &pChange->aSub[2]);  in fuzzSelectChange()
863           if( pChange->aSub[0]==0x03 ){  in fuzzSelectChange()
866               pChange->aSub[2+i] &= 0x7F;  in fuzzSelectChange()
873     if( pChange->eType==FUZZ_VALUE_MOD ){  in fuzzSelectChange()
876       fuzzChangeSize(pChange->pSub1, &sz);  in fuzzSelectChange()
877       memcpy(pChange->aSub, pChange->pSub1, sz);  in fuzzSelectChange()
878       switch( pChange->aSub[0] ){  in fuzzSelectChange()
887           int iFirst = 1 + fuzzGetVarint(&pChange->aSub[1], &nByte);  in fuzzSelectChange()
896         u8 mask = (1 << fuzzRandomInt(8 - (pChange->aSub[0]==0x03)));  in fuzzSelectChange()
897         pChange->aSub[iMod] ^= mask;  in fuzzSelectChange()