void ExecutingPietLibraries::random(std::vector<PietTree> & pt){
if(pt.size() == 0 )return;
if(pt[0].isLeaf()) return;
pt = pt[0].Nodes();
if(pt.size() < 1) return;
int max = pt[0].Val();
for(int i:range(1)) pt.pop_back();
std::uniform_int_distribution<int> randomrange( 0, max ) ;
pt.push_back(PietTree( abs(randomrange(rnd))));
return;
}
void table_gen(long long nrows, Stringlist wlist,int numcols, int *column_types, double *column_mins, double *column_maxes) {
int itemp;
int i,j,ii, nwords;
int year, month, day, hour, minute, second;
int minyear, minmonth, minday;
int maxyear, maxmonth, maxday;
int leaps[] = LEAPS;
int nonleaps[] = NONLEAPS;
//printf("Number of rows to be generated: %ld\n",nrows);
//exit(0);
for (i=0; i<nrows; i++) {
for (j=0; j<numcols; j++) {
switch (column_types[j]) {
case INTEGER:
//printf("column_type[%d] = INTEGER\n",j+1);
printf("%d",(int)randomrange(column_mins[j],column_maxes[j]));
break;;
case VARCHAR:
//printf("column_type[%d] = VARCHAR\n",j+1);
nwords = (int)randomrange(column_mins[j],column_maxes[j]);
for (ii=0; ii<nwords ; ii++) {
itemp = (int)randomrange(0,wlist.used_size-1);
printf("%s",wlist.list[itemp]);
if (ii != (nwords-1)) printf(" ");
}
break;;
case TIMESTAMP:
//printf("column_type[%d] = TIMESTAMP\n",j+1);
minyear = getyear(column_mins[j]);
maxyear = getyear(column_maxes[j]);
minmonth = getmonth(column_mins[j]);
maxmonth = getmonth(column_maxes[j]);
minday = getday(column_mins[j]);
maxday = getday(column_maxes[j]);
year = (int)randomrange(minyear,maxyear);
month = (int)randomrange(minmonth,maxmonth);
day = (int)randomrange(minday,maxday);
if (ISLEAP(year)) {
day = MIN(leaps[month-1],day);
} else {
day = MIN(nonleaps[month-1],day);
}
hour = (int)randomrange(0,23);
minute = (int)randomrange(0,59);
second = (int)randomrange(0,59);
printf("%.4d-%.2d-%.2d %.2d:%.2d:%.2d",year,month,day,hour,minute,second);
break;;
case NUMERIC:
//printf("column_type[%d] = NUMERIC\n",j+1);
printf("%.6f",(float)randomrange(column_mins[j],column_maxes[j]));
break;;
}
if (j != (numcols-1)) printf("|");
} //End of numcolumns
printf("\n");
}
}
