[Mulgara-dev] Mulgara Backup File -- Strings listed twice inthe string pool?

Paul Gearon gearon at ieee.org
Wed Mar 19 03:35:49 UTC 2008


On Mar 18, 2008, at 3:01 PM, Ben Hysell wrote:
> Paul,
>
> 1. There is nothing special about my strings, I am using the term  
> fancy
> to identify the string as being different.

Cool.

> 2. I'm not sure if we are concerned more that it is out of order  
> rather
> than it shows up twice.  Looking at the top of the same backup I see:
>
> 1 <#>
> 27 <#MyXsdModel>
> 28 <#TMC>
> 29 <#_>
> 30 <#gmradodata>
> 31 <#gmradomenudata>
> 32 <#gmradouserdata>
> 33 <#sampledata>
> 34 <#type>
>
> And a little later on:
> 3 <http://mulgara.org/mulgara#Model>
> 26 <http://mulgara.org/mulgara#RelationalModel>
> 12 <http://mulgara.org/mulgara#TypeModel>
> 7 <http://mulgara.org/mulgara#XMLSchemaModel>
> 8 <http://mulgara.org/mulgara#after>
> 9 <http://mulgara.org/mulgara#before>
> 11 <http://mulgara.org/mulgara#gt>
> 10 <http://mulgara.org/mulgara#lt>
> 5 <http://mulgara.org/mulgara#preallocatedNode>
> 6 <http://mulgara.org/mulgara#preallocatedNodeModel>
> 4 <http://mulgara.org/mulgara#preallocatedNodes>
> 25 <http://mulgara.org/mulgara#prefix>

OK, this is all fine.  Can you show me a section where a string or URI  
shows up a second time please?

> 3.>>  How do you determine what is a blank node?  Do you check node  
> IDs
> in the triple list, and then use this to >> look up the string pool?
>
> Yes

Hmmm, OK.  A bug in the string pool could lead to entries being lost,  
so things that are not SUPPOSED to be blank nodes become so.  I  
really, really (really) hope this isn't the case.

Paul



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