Merge Join (actual time=0.408..0.432 rows=1 loops=1)
  Merge Cond: (r1.e = r2.e)
  Buffers: shared hit=207
  ->  Sort (actual time=0.231..0.235 rows=98 loops=1)
        Sort Key: r1.e
        Sort Method: quicksort  Memory: 29kB
        Buffers: shared hit=100
        ->  Bitmap Heap Scan on tst_eav r1 (actual time=0.049..0.206 rows=98 loops=1)
              Recheck Cond: ((a = 1) AND (v = 1))
              Heap Blocks: exact=97
              Buffers: shared hit=100
              ->  Bitmap Index Scan on eav_idx1 (actual time=0.029..0.029 rows=98 loops=1)
                    Index Cond: ((a = 1) AND (v = 1))
                    Buffers: shared hit=3
  ->  Sort (actual time=0.172..0.177 rows=104 loops=1)
        Sort Key: r2.e
        Sort Method: quicksort  Memory: 29kB
        Buffers: shared hit=107
        ->  Bitmap Heap Scan on tst_eav r2 (actual time=0.022..0.152 rows=104 loops=1)
              Recheck Cond: ((a = 2) AND (v = 2))
              Heap Blocks: exact=104
              Buffers: shared hit=107
              ->  Bitmap Index Scan on eav_idx1 (actual time=0.012..0.012 rows=104 loops=1)
                    Index Cond: ((a = 2) AND (v = 2))
                    Buffers: shared hit=3
Planning Time: 0.225 ms
Execution Time: 0.501 ms

Join
  ->  Scan Table tst_eav
  ->  Scan Table tst_eav

"Merge Join (actual time=0.408..0.432 rows=1 loops=1)"
"  Merge Cond: (r1.e = r2.e)"
"  Buffers: shared hit=207"
"  ->  Sort (actual time=0.231..0.235 rows=98 loops=1)"
"        Sort Key: r1.e"
"        Sort Method: quicksort  Memory: 29kB"
"        Buffers: shared hit=100"
"        ->  Bitmap Heap Scan on tst_eav r1 (actual time=0.049..0.206 rows=98 loops=1)"
"              Recheck Cond: ((a = 1) AND (v = 1))"
"              Heap Blocks: exact=97"
"              Buffers: shared hit=100"
"              ->  Bitmap Index Scan on eav_idx1 (actual time=0.029..0.029 rows=98 loops=1)"
"                    Index Cond: ((a = 1) AND (v = 1))"
"                    Buffers: shared hit=3"
"  ->  Sort (actual time=0.172..0.177 rows=104 loops=1)"
"        Sort Key: r2.e"
"        Sort Method: quicksort  Memory: 29kB"
"        Buffers: shared hit=107"
"        ->  Bitmap Heap Scan on tst_eav r2 (actual time=0.022..0.152 rows=104 loops=1)"
"              Recheck Cond: ((a = 2) AND (v = 2))"
"              Heap Blocks: exact=104"
"              Buffers: shared hit=107"
"              ->  Bitmap Index Scan on eav_idx1 (actual time=0.012..0.012 rows=104 loops=1)"
"                    Index Cond: ((a = 2) AND (v = 2))"
"                    Buffers: shared hit=3"
"Planning Time: 0.225 ms"
"Execution Time: 0.501 ms"