{
    'type'                   => 'Limit',
    'estimated_startup_cost' => 0,
    'estimated_total_cost'   => 0.01,
    'estimated_rows'         => 1,
    'estimated_row_width'    => 4,
    'is_analyzed'            => 0,
    'sub_nodes'              => [
        {
            'scan_on'                => { 'table_name' => 'test', },
            'estimated_startup_cost' => '0',
            'estimated_rows'         => '1000',
            'type'                   => 'Seq Scan',
            'estimated_total_cost'   => '14',
            'estimated_row_width'    => '4',
            'is_analyzed'            => 0,
        }
    ]
}