public PrimitiveColumn <T> Clone(PrimitiveColumn <long> mapIndices = null, bool invertMapIndices = false)
{
if (mapIndices is null)
{
PrimitiveColumnContainer <T> newColumnContainer = _columnContainer.Clone();
return(new PrimitiveColumn <T>(Name, newColumnContainer));
}
else
{
if (mapIndices.Length != Length)
{
throw new ArgumentException(Strings.MismatchedColumnLengths, nameof(mapIndices));
}
PrimitiveColumn <T> ret = new PrimitiveColumn <T>(Name);
if (invertMapIndices == false)
{
for (long i = 0; i < mapIndices.Length; i++)
{
ret.Append(_columnContainer[mapIndices._columnContainer[i]]);
}
}
else
{
for (long i = Length - 1; i >= 0; i--)
{
ret.Append(_columnContainer[mapIndices._columnContainer[i]]);
}
}
return(ret);
}
}
public PrimitiveColumn <T> Clone(PrimitiveColumn <long> mapIndices = null, bool invertMapIndices = false)
{
if (mapIndices is null)
{
PrimitiveColumnContainer <T> newColumnContainer = _columnContainer.Clone();
return(new PrimitiveColumn <T>(Name, newColumnContainer));
}
else
{
if (mapIndices.Length > Length)
{
throw new ArgumentException(Strings.MapIndicesExceedsColumnLenth, nameof(mapIndices));
}
PrimitiveColumn <T> ret = new PrimitiveColumn <T>(Name, mapIndices.Length);
ret._columnContainer._modifyNullCountWhileIndexing = false;
if (invertMapIndices == false)
{
for (long i = 0; i < mapIndices.Length; i++)
{
T?value = _columnContainer[mapIndices._columnContainer[i].Value];
ret[i] = value;
if (!value.HasValue)
{
ret._columnContainer.NullCount++;
}
}
}
else
{
long mapIndicesIndex = mapIndices.Length - 1;
for (long i = 0; i < mapIndices.Length; i++)
{
T?value = _columnContainer[mapIndices._columnContainer[mapIndicesIndex - i].Value];
ret[i] = value;
if (!value.HasValue)
{
ret._columnContainer.NullCount++;
}
}
}
ret._columnContainer._modifyNullCountWhileIndexing = true;
return(ret);
}
}
