public HeronValue GetColumn(HeronValue column)
{
int nCol = -1;
if (column is StringValue)
{
nCol = layout.GetFieldIndex((column as StringValue).GetValue());
}
else if (column is IntValue)
{
nCol = (column as IntValue).ToInt();
}
else
{
throw new Exception("Can only retrieve columns by name (String) or index (Int)");
}
return(new ListValue(GetValues(nCol), layout.GetTypes()[nCol]));
}
public int GetFieldIndex(string s)
{
return(layout.GetFieldIndex(s));
}
