#include <Columns/ColumnWithDictionary.h>
#include <DataStreams/ColumnGathererStream.h>

namespace DB
{

ColumnWithDictionary::ColumnWithDictionary(const ColumnPtr & column_unique, const ColumnPtr & indexes)
        : column_unique(column_unique), indexes(indexes)
{
    if (!dynamic_cast<const IColumnUnique *>(column_unique.get()))
        throw Exception("ColumnUnique expected as argument of ColumnWithDictionary.", ErrorCodes::ILLEGAL_COLUMN);
}

ColumnWithDictionary::ColumnWithDictionary(const ColumnWithDictionary & other)
        : column_unique(other.column_unique), indexes(other.indexes)
{
}

void ColumnWithDictionary::gather(ColumnGathererStream & gatherer)
{
    gatherer.gather(*this);
}

}