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@zain
Created March 19, 2013 21:33
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QUERY PLAN
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Limit (cost=471953.26..471953.38 rows=50 width=77) (actual time=2523.902..2524.063 rows=50 loops=1)
-> Sort (cost=471953.26..472037.42 rows=33664 width=77) (actual time=2523.898..2523.952 rows=50 loops=1)
Sort Key: (max(date))
Sort Method: top-N heapsort Memory: 36kB
-> GroupAggregate (cost=461030.36..470834.96 rows=33664 width=77) (actual time=2230.769..2520.320 rows=1681 loops=1)
Filter: bool_or(is_inbox)
-> Sort (cost=461030.36..461616.85 rows=234595 width=77) (actual time=1158.555..1430.159 rows=215157 loops=1)
Sort Key: thread_id
Sort Method: external merge Disk: 17288kB
-> Bitmap Heap Scan on mail_email (cost=7671.08..440104.71 rows=234595 width=77) (actual time=71.234..570.075 rows=215157 loops=1)
Recheck Cond: (account_id = 2)
-> Bitmap Index Scan on mail_email_account_id (cost=0.00..7612.43 rows=234595 width=0) (actual time=41.919..41.919 rows=219611 loops=1)
Index Cond: (account_id = 2)
Total runtime: 2528.705 ms
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