public IEnumerable <KeyValuePair <string, ColumnType> > GetMetadataTypes(int col)
{
_ectx.CheckParam(col == 0, nameof(col));
if (_hasSlotNames)
{
yield return(MetadataUtils.GetSlotNamesPair(_featureVectorSize));
}
}
public override IEnumerable <KeyValuePair <string, ColumnType> > GetMetadataTypes(int col)
{
Contracts.CheckParam(0 <= col && col < ColumnCount, nameof(col));
Contracts.Assert(Utils.Size(_slotNames) > 0);
Contracts.Assert(col == 0);
var items = base.GetMetadataTypes(col);
items = items.Prepend(MetadataUtils.GetSlotNamesPair(_slotNames.Length));
return(items);
}
public IEnumerable <KeyValuePair <string, ColumnType> > GetMetadataTypes(int col)
{
_ectx.CheckParam(0 <= col && col < ColumnCount, nameof(col));
if (_getSlotNamesDict.ContainsKey(_names[col]))
{
yield return(MetadataUtils.GetSlotNamesPair(_columnTypes[col].VectorSize));
}
if (_getKeyValuesDict.ContainsKey(_names[col]))
{
yield return(MetadataUtils.GetKeyNamesPair(_columnTypes[col].VectorSize));
}
}
