public override void Add(HqlCalc calc)
{
if (calc is HqlCount)
{
count += ((HqlCount)calc).count;
}
else
{
throw new ArgumentException("Unable to add type HqlCalc to HqlCount");
}
}
public override void Add(HqlCalc calc)
{
if (calc is HqlSum)
{
Add(((HqlSum)calc).sum);
}
else
{
throw new ArgumentException("Unable to add type HqlCalc to HqlCount");
}
}
public override void Add(HqlCalc calc)
{
if (calc is HqlMin)
{
Add(((HqlMin)calc).min);
}
else
{
throw new ArgumentException("Unable to add type HqlCalc to HqlMin");
}
}
///////////////////////
// Private
private void Init(HqlFieldGroup group1, HqlFieldGroup group2, HqlFieldGroup group3)
{
_valuesSet = false;
int countGroup1 = (group1 == null) ? 0 : group1.Count;
int countGroup2 = (group2 == null) ? 0 : group2.Count;
int countGroup3 = (group3 == null) ? 0 : group3.Count;
HqlField[] fields1 = (group1 == null) ? null : group1.Fields;
HqlField[] fields2 = (group2 == null) ? null : group2.Fields;
HqlField[] fields3 = (group3 == null) ? null : group3.Fields;
_calc = new HqlCalc[countGroup1 + countGroup2 + countGroup3];
_grouped = new object[countGroup1 + countGroup2 + countGroup3];
int start = 0;
for (int i = 0; i < countGroup1; ++i)
{
HqlField f = fields1[i];
if (f.HasFunction)
{
_calc[i + start] = f.Func.CreateCalcObject();
}
}
start += countGroup1;
for (int i = 0; i < countGroup2; ++i)
{
HqlField f = fields2[i];
if (f.HasFunction)
{
_calc[i + start] = f.Func.CreateCalcObject();
}
}
start += countGroup2;
for (int i = 0; i < countGroup3; ++i)
{
HqlField f = fields3[i];
if (f.HasFunction)
{
_calc[i + start] = f.Func.CreateCalcObject();
}
}
//start += countGroup3;
}
public object GetValue(int n)
{
object o = this[n];
if (o is HqlCalc)
{
HqlCalc c = (HqlCalc)o;
return(c.GetValue());
}
else if (o is string)
{
string s = (string)o;
return(s);
}
throw new Exception(String.Format("Unknown GetValue type of |{0}|", o.GetType().ToString()));
}
public override void Add(HqlCalc calc)
{
if (calc is HqlAvg)
{
HqlAvg c = (HqlAvg)calc;
if (c.sum.HasValue)
{
if (!sum.HasValue)
{
sum = 0.0M;
}
sum += c.sum;
count += c.count;
}
}
else
{
throw new ArgumentException("Unable to add type HqlCalc to HqlAvg");
}
}
public override void Add(HqlCalc calc)
{
throw new ArgumentException("Unable to add to HqlStdev");
}
abstract public void Add(HqlCalc calc);