private static double SumAllNumbers(RecordBatch recordBatch)
{
double sum = 0;
for (int k = 0; k < recordBatch.ColumnCount; k++)
{
var array = recordBatch.Arrays.ElementAt(k);
switch (recordBatch.Schema.GetFieldByIndex(k).DataType.TypeId)
{
case ArrowTypeId.Int64:
Int64Array int64Array = (Int64Array)array;
sum += Sum(int64Array);
break;
case ArrowTypeId.Double:
DoubleArray doubleArray = (DoubleArray)array;
sum += Sum(doubleArray);
break;
case ArrowTypeId.Decimal128:
Decimal128Array decimalArray = (Decimal128Array)array;
sum += Sum(decimalArray);
break;
}
}
return(sum);
}
private static double Sum(Decimal128Array decimal128Array)
{
double sum = 0;
for (int valueIndex = 0; valueIndex < decimal128Array.Length; valueIndex++)
{
sum += (double)decimal128Array.GetValue(valueIndex);
}
return(sum);
}
public void Visit(Decimal128Array array) => CompareArrays(array);
public void Visit(Decimal128Array array)
{
_buffers.Add(CreateBuffer(array.NullBitmapBuffer));
_buffers.Add(CreateBuffer(array.ValueBuffer));
}
