Function stableGetPermutation

src/Interpreters/sortBlock.cpp:202–208

void stableGetPermutation(const Block & block, const SortDescription & description, IColumn::Permutation & out_permutation)
{
    if (!block)
        return;

    getBlockSortPermutationImpl(block, description, IColumn::PermutationSortStability::Stable, 0, out_permutation);
}

bool isAlreadySorted(const Block & block, const SortDescription & description)
{