Re: Regarding Sequential Scans count increase each time we press refresh .
От
Josh Berkus
Тема
Re: Regarding Sequential Scans count increase each time
we press refresh .
Дата
Msg-id
4ABC0DE2.5040202@agliodbs.com
Ответ на
Regarding Sequential Scans count increase each time we press refresh
. (keshav upadhyaya)
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Дерево обсуждения
Regarding Sequential Scans count increase each time we press refresh
. keshav upadhyaya <ukeshav2009@gmail.com>
Re: Regarding Sequential Scans count increase each time
we press refresh . Josh Berkus <josh@agliodbs.com>
Re: Regarding Sequential Scans count increase each time we
press refresh . Robert Haas <robertmhaas@gmail.com>
Re: Regarding Sequential Scans count increase each time we press refresh . Tom Lane <tgl@sss.pgh.pa.us>
Keshav, > I have one table my_test table . with on index created on one column . > > > I have turned off the sequential scans . > > Now when ever i do refresh on this table or press F5 , It increase the > sequential scans count and > Sequential tuple read count . What's a "refresh"? You can't "turn off" sequential scans. You can only make the planner less likely to choose them. But if there's no way to get the data you need other than a seqscan, it's still going to do one. -- Josh Berkus PostgreSQL Experts Inc. www.pgexperts.com
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