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Re: slow cursor
- From: "Jim C. Nasby" <jnasby(at)pervasive(dot)com>
- To: Sriram Dandapani <sdandapani(at)counterpane(dot)com>
- Cc: pgsql-admin(at)postgresql(dot)org
- Subject: Re: slow cursor
- Date: Thu, 20 Apr 2006 21:35:40 -0500
On Mon, Apr 17, 2006 at 07:07:54AM -0700, Sriram Dandapani wrote: > I have a cursor that fetches 150K rows and updates or inserts a table > with 150K rows. > > It takes several minutes for the process to complete (about 15 minutes). > The select by itself (without cursor) gets all rows in 15 seconds. > > Is there a way to optimize the cursor to fetch all records and speed up > the process. I still need to do the record by record processing Not likely. Are you at least doing all this inside a transaction? -- Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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- From: Sriram Dandapani
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