{
'type' => 'Seq Scan',
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'estimated_total_cost' => 1490.37,
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'table_name' => 'pg_class',
'table_alias' => 'c',
},
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{
'type' => 'Result',
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},
],
'subplans' => [
{
'type' => 'Seq Scan',
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'extra_info' => [ 'Filter: (relname = $1)', ],
'scan_on' => {
'table_name' => 'pg_class',
'table_alias' => 'c2',
},
},
]
}