explain.depesz.com

PostgreSQL's explain analyze made readable

Result: b7SJ

Settings

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.002 2,098.387 ↑ 499.0 1 1

Limit (cost=133,648.33..133,649.58 rows=499 width=98) (actual time=2,098.386..2,098.387 rows=1 loops=1)

  • Buffers: shared hit=389,382
2. 0.010 2,098.385 ↑ 499.0 1 1

Sort (cost=133,648.33..133,649.58 rows=499 width=98) (actual time=2,098.385..2,098.385 rows=1 loops=1)

  • Sort Key: name
  • Sort Method: quicksort Memory: 25kB
  • Buffers: shared hit=389,382
3. 1,832.156 2,098.375 ↑ 499.0 1 1

Bitmap Heap Scan on customer (cost=35,284.78..133,625.97 rows=499 width=98) (actual time=2,079.655..2,098.375 rows=1 loops=1)

  • Recheck Cond: ((resellerid = 247,133) AND ((parentkey = '999999999_247131_247133'::text) OR (parentkey ~~ '999999999\_247131\_247133\%'::text)))
  • Filter: ((customerstatus <> 'Deleted'::text) AND ((parentkey = '999999999_247131_247133'::text) OR (parentkey ~~ '999999999\_247131\_247133\%'::text)) A
  • Rows Removed by Filter: 1,483,671
  • Heap Blocks: exact=373,338
  • Buffers: shared hit=389,382
4. 12.773 266.219 ↓ 0.0 0 1

BitmapAnd (cost=35,284.78..35,284.78 rows=100,375 width=0) (actual time=266.219..266.219 rows=0 loops=1)

  • Buffers: shared hit=16,044
5. 125.434 125.434 ↓ 1.0 1,493,949 1

Bitmap Index Scan on customer_resellerid_key1 (cost=0.00..15,596.12 rows=1,466,891 width=0) (actual time=125.434..125.434 rows=1,493,949 loops=1)

  • Index Cond: (resellerid = 247,133)
  • Buffers: shared hit=4,818
6. 128.001 128.012 ↓ 0.0 0 1

BitmapOr (cost=19,688.28..19,688.28 rows=1,467,188 width=0) (actual time=128.012..128.012 rows=0 loops=1)

  • Buffers: shared hit=11,226
  • -> Bitmap Index Scan on customer_parentkey_idx (cost=0.00..19683.24 rows=1,466,891 width=0) (actual time=127.998..127.998 rows=1,498,794 loops
  • Index Cond: (parentkey = '999999999_247131_247133'::text)
  • Buffers: shared hit=11,222
7. 0.011 0.011 ↓ 0.0 0 1

Bitmap Index Scan on customer_parentkey_idx (cost=0.00..4.79 rows=297 width=0) (actual time=0.011..0.011 rows=0 loops=1)

  • Index Cond: (parentkey = '999999999_247131_247133%'::text)
  • Buffers: shared hit=4
Planning time : 0.197 ms
Execution time : 2,099.349 ms