https://clickhouse-test-reports.s3.yandex.net/21020/2ced21c837006053542b9f04c338faebf504f413/fuzzer_asan/server.log
{
    Block structured_block;
    for (const auto & sample_column : savedBlockSample().getColumnsWithTypeAndName())
    {
        ColumnWithTypeAndName column = block.getByName(sample_column.name);
        if (sample_column.column->isNullable())
            JoinCommon::convertColumnToNullable(column);
        structured_block.insert(column);
    }
    return structured_block;
}
bool HashJoin::addJoinedBlock(const Block & source_block, bool check_limits)