CTE Scan on dc (actual time=0.053..0.084 rows=7 loops=1)
  Buffers: shared hit=19
  CTE dc
    ->  Function Scan on unnest id (actual time=0.049..0.076 rows=7 loops=1)
          Buffers: shared hit=19
          SubPlan 1
            ->  Limit (actual time=0.008..0.009 rows=1 loops=7)
                  Buffers: shared hit=19
                  ->  Index Scan using doc_customer_id_dt_idx on doc (actual time=0.008..0.008 rows=1 loops=7)
                        Index Cond: (customer_id = id.id)
                        Buffers: shared hit=19
Planning Time: 0.215 ms
Execution Time: 0.124 ms

Scan CTE dc
  CTE dc
    ->  Scan Function unnest
          SubPlan 1
            ->  Limit
                  ->  Scan Table doc

"CTE Scan on dc (actual time=0.053..0.084 rows=7 loops=1)"
"  Buffers: shared hit=19"
"  CTE dc"
"    ->  Function Scan on unnest id (actual time=0.049..0.076 rows=7 loops=1)"
"          Buffers: shared hit=19"
"          SubPlan 1"
"            ->  Limit (actual time=0.008..0.009 rows=1 loops=7)"
"                  Buffers: shared hit=19"
"                  ->  Index Scan using doc_customer_id_dt_idx on doc (actual time=0.008..0.008 rows=1 loops=7)"
"                        Index Cond: (customer_id = id.id)"
"                        Buffers: shared hit=19"
"Planning Time: 0.215 ms"
"Execution Time: 0.124 ms"