{
'scan_on' => {
'index_name' => 'pg_class_oid_index',
'table_name' => 'pg_class'
},
'is_analyzed' => 1,
'actual_time_first' => '0.035',
'estimated_rows' => '1',
'estimated_total_cost' => '8.44',
'estimated_row_width' => '194',
'actual_time_last' => '0.036',
'estimated_startup_cost' => '0.17',
'actual_rows' => '1',
'extra_info' => [
'Index Cond: (oid = $1)',
],
'initplans' => [
{
'is_analyzed' => 1,
'actual_time_first' => '0.023',
'estimated_rows' => '1',
'estimated_total_cost' => '0.17',
'estimated_row_width' => '0',
'actual_time_last' => '0.023',
'estimated_startup_cost' => '0.16',
'actual_rows' => '1',
'initplans' => [
{
'is_analyzed' => 1,
'actual_time_first' => '0.02',
'estimated_rows' => '1',
'estimated_total_cost' => '0.16',
'estimated_row_width' => '4',
'actual_time_last' => '0.021',
'estimated_startup_cost' => '0',
'actual_rows' => '1',
'sub_nodes' => [
{
'scan_on' => {
'index_name' => 'pg_class_oid_index',
'table_name' => 'pg_class'
},
'is_analyzed' => 1,
'actual_time_first' => '0.019',
'estimated_rows' => '281',
'estimated_total_cost' => '44.47',
'estimated_row_width' => '4',
'actual_time_last' => '0.019',
'estimated_startup_cost' => '0',
'actual_rows' => '1',
'extra_info' => [ 'Index Cond: (oid IS NOT NULL)' ],
'type' => 'Index Scan',
'actual_loops' => '1'
}
],
'type' => 'Limit',
'actual_loops' => '1'
}
],
'type' => 'Result',
'actual_loops' => '1'
}
],
'type' => 'Index Scan',
'actual_loops' => '1'
}