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> Date: Fri, 26 Apr 2013 08:40:53 +0800 > From: [email protected] > To: [email protected] > Subject: Re: [MarkLogic Dev General] How to test whether doc exists > > Thanks Mike. This is helpful to know. > > Tim > > On 04/26/2013 12:40 AM, [email protected] wrote: > > Message: 2 > > Date: Thu, 25 Apr 2013 08:42:30 -0700 > > From: Michael Blakeley<[email protected]> > > Subject: Re: [MarkLogic Dev General] How to test whether doc exists > > To: MarkLogic Developer Discussion<[email protected]> > > Message-ID:<[email protected]> > > Content-Type: text/plain; charset=us-ascii > > > > In theory xdmp:exists(doc($uri)) is fastest. However it isn't update-safe > > because it doesn't take a read lock. If you are writing update logic that > > depends on whether or not a document exists, stick with > > fn:exists(doc($uri)). > > > > Speed of either will depend on many factors: whether or not the document is > > in cache, disk performance, database size, cluster configuration, etc. > > > > -- Mike > > _______________________________________________ > General mailing list > [email protected] > http://developer.marklogic.com/mailman/listinfo/general
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