Re: Yet another indexing issue.
От | Pirtea Calin |
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Тема | Re: Yet another indexing issue. |
Дата | |
Msg-id | a7ffpa$29sh$1@jupiter.hub.org обсуждение исходный текст |
Ответ на | Re: Yet another indexing issue. (Stephan Szabo <sszabo@megazone23.bigpanda.com>) |
Ответы |
Re: Yet another indexing issue.
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Список | pgsql-general |
> > Where would one find set enable_seqscan=off; in the docs? > > To be honest I'm not sure where it's mentioned. It's a big tool that > lets you make some gross changes to the optimizer's planning (sets the > cost of sequence scan very very high). > I found this in Admin.pdf 3.4.1. Planner and Optimizer Tuning page 37/38 ENABLE_SEQSCAN (boolean) Enables or disables the query planner's use of sequential scan plan types. It's not possible to suppress sequential scans entirely, but turning this variable off discourages the planner from using one if there is any other method available. The default is on. This is mostly useful to debug the query planner. -- Best regards, Aplication Developer Pirtea Calin Iancu S.C. SoftScape S.R.L. pcalin@rdsor.ro
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