{
    'type'                   => 'Limit',
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    'estimated_total_cost'   => 0.08,
    'estimated_rows'         => 2,
    'estimated_row_width'    => 190,
    'is_analyzed'            => 1,
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    'actual_time_last'       => 0.043,
    'actual_rows'            => 2,
    'actual_loops'           => 1,
    'sub_nodes'              => [
        {
            'scan_on'                => { 'table_name' => 'pg_class', },
            'estimated_startup_cost' => '0',
            'estimated_rows'         => '361',
            'type'                   => 'Seq Scan',
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    ]
}