private int[] GetKeyLabels <T>(Transposer trans, int labelCol, ColumnType labeColumnType)
{
var tmp = default(VBuffer <T>);
var labels = default(VBuffer <int>);
trans.GetSingleSlotValue(labelCol, ref tmp);
BinKeys <T>(labeColumnType)(ref tmp, ref labels);
VBufferUtils.Densify(ref labels);
var values = labels.Values;
if (labels.Length < values.Length)
{
Array.Resize(ref values, labels.Length);
}
return(values);
}
/// <summary>
/// Lookup through raider key map that throws no exceptions.
/// </summary>
/// <param name="key">Binary memory hash to look for.</param>
/// <returns>Result value from the key passed, if value was not found, returns null instead.</returns>
public static string Lookup(uint key, bool nullifzero)
{
if (nullifzero && key == 0)
{
return(BaseArguments.NULL);
}
if (BinKeys.TryGetValue(key, out string result))
{
return(result);
}
else
{
return(null);
}
}
