726   int isEq[5];                /* Equality constraints on X, A, B, C, and D */  in vt02BestIndex()  local
773   memset(isEq, 0xff, sizeof(isEq));  in vt02BestIndex()
784         isEq[j] = i;  in vt02BestIndex()
799   if( isEq[0]>=0 ){  in vt02BestIndex()
802     pInfo->aConstraintUsage[isEq[0]].argvIndex = ++argvIndex;  in vt02BestIndex()
803     if( flags & 0x20 ) pInfo->aConstraintUsage[isEq[0]].omit = 1;  in vt02BestIndex()
805   }else if( isEq[1]<0 ){  in vt02BestIndex()
811     pInfo->aConstraintUsage[isEq[1]].argvIndex = ++argvIndex;  in vt02BestIndex()
812     if( flags & 0x20 ) pInfo->aConstraintUsage[isEq[1]].omit = 1;  in vt02BestIndex()
813     for(i=2; i<=4 && isEq[i]>=0; i++){  in vt02BestIndex()
814       if( i==4 && sqlite3_vtab_in(pInfo, isEq[4], 0) ) break;  in vt02BestIndex()
815       pInfo->aConstraintUsage[isEq[i]].argvIndex = ++argvIndex;  in vt02BestIndex()
816       if( flags & 0x20 ) pInfo->aConstraintUsage[isEq[i]].omit = 1;  in vt02BestIndex()
820     if( isEq[4]>=0 && sqlite3_vtab_in(pInfo,isEq[4],1) ){  in vt02BestIndex()
821       iIn = isEq[4];  in vt02BestIndex()