Re: [dotNetRDF-Support] [dotNetRDF-Develop] Problem deleting data in a graph in Stardog

[Rob V. <rv...@do...>]

Hey Ron

This should now be working against the latest code, Tom noticed a bug in the
INSERT/DELETE logic when you had a GRAPH clause using a variable it would
incorrectly think it had found not data and not actually do any
inserts/deletes

Hope this solves the mystery

Rob

From:  Ron Michael Zettlemoyer <ro...@ze...>
Reply-To:  dotNetRDF User Help and Support
<dot...@li...>
Date:  Friday, October 26, 2012 11:45 PM
To:  dotNetRDF Developer Discussion and Feature Request
<dot...@li...>
Cc:  dotNetRDF User Help and Support
<dot...@li...>
Subject:  Re: [dotNetRDF-Support] [dotNetRDF-Develop] Problem deleting data
in a graph in Stardog

> Sorry for taking so long to respond, Rob, it's been a hectic couple of weeks.
> I haven't had a chance to look more at this but I'll try to reproduce it again
> and see if I can make any headway soon.
> 
> 
> On Thu, Sep 27, 2012 at 4:10 PM, Rob Vesse <rv...@do...> wrote:
>> Hey Ron
>> 
>> Did you ever get a chance to look into this more or do you want me to take
>> this?
>> 
>> Rob
>> 
>> From:  Ron Michael Zettlemoyer <ro...@ze...>
>> Reply-To:  dotNetRDF User Help and Support
>> <dot...@li...>
>> Date:  Thursday, August 30, 2012 8:23 AM
>> To:  dotNetRDF User Help and Support
>> <dot...@li...>
>> Subject:  [dotNetRDF-Support] Problem deleting data in a graph in Stardog
>> 
>>> I've dug around a little in the code but not been able to figure this out
>>> myself. This delete statement does not seem to work when talking to Stardog:
>>> 
>>> DELETE { graph ?g { ?s ?p ?o } }
>>> WHERE
>>> {
>>>   graph ?g {
>>>   ?s ?p ?o.
>>> }
>>>   filter (datatype(?o)=xsd:datetime)
>>> }
>>> 
>>> I debugged using Fiddler and I can see dotNetRDF does a query to get the
>>> data that matches the where clause, and it initiates a transaction but then
>>> it simply ends the transaction without performing any changes. Which is odd
>>> since I thought I updated the Stardog portion of the code to not initiate a
>>> transaction if no change was going to be made but it may be getting called
>>> in some places that isn't checking for this yet.
>>> 
>>> I'm not sure if my statement is just not correct or if it's a bug somewhere.
>>> Any thoughts?
>>> 
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>> 
>> 
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