Re: The fastest way to update thousands of rows in moderately sized table
| От | twoflower |
|---|---|
| Тема | Re: The fastest way to update thousands of rows in moderately sized table |
| Дата | |
| Msg-id | 1437721091400-5859197.post@n5.nabble.com обсуждение |
| Ответ на | Re: Re: The fastest way to update thousands of rows in moderately sized table (林士博 <lin@repica.co.jp>) |
| Ответы |
Re: Re: The fastest way to update thousands of rows in
moderately sized table
|
| Список | pgsql-general |
Here it is:林士博 wroteCan you post execution plan of the original update sql. EXPLAIN (ANALYZE ON, BUFFERS ON) update "TRANSLATION" set fk_assignmentwhere fk_job = 1000;
Update on "TRANSLATION" (cost=0.56..9645.13 rows=3113 width=391) (actual time=35091.036..35091.036 rows=0 loops=1)
Buffers: shared hit=74842343 read=7242 dirtied=7513
-> Index Scan using "TRANSLATION_idx_composite_job_last_revision" on "TRANSLATION" (cost=0.56..9645.13 rows=3113 width=391) (actual time=0.042..24.147 rows=8920 loops=1)
Index Cond: (fk_job = 59004)
Buffers: shared hit=626
Planning time: 0.362 ms Execution time: 35091.192 ms View this message in context: Re: The fastest way to update thousands of rows in moderately sized table
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