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I'm working on the data dump of stackoverflow and I might have found a bug in it.

The post (link1) has been merged with the post (link2) but in the data dump there is this:

Id post1 = 1406604 with AcceptedAnswersId = 1406611

Id post2 = 784929 with AcceptedAnswersId = 784946

And Id answer = 1406611 have ParentId = 784929

The problem is that the AcceptedAnswerId of the post1 is still here.

In an other post I remark that the post for which its AcceptedAnswer has been removed keep a value for its AcceptedAnswerId. link3

Maybe a modification can be made.


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Data dump is always old data (from 1 day to 3 months), sure that's not the problem? – Ben Brocka Jul 25 '12 at 11:45
The data dump reflects the state of those questions at a specific point in time, not now. – Aaron Bertrand Jul 25 '12 at 11:47
@BenBrocka No it's not this exemple is retrieved from the data dump and not from a comparison between the site and the data dump. – AnthonyMaia Jul 25 '12 at 11:48
@AaronBertrand Yes I know. But still, some Post with an AcceptedAnswerId have not a Accepted Answer. Just in looking in the data dump. – AnthonyMaia Jul 25 '12 at 11:50
Just curious, are you using a local copy of the data dump to view this, or the Stack Exchange Data Explorer? – jadarnel27 Jul 25 '12 at 12:53
@jadarnel27 I'm using a local copy. But I don't think that this problem come to a synchronization between the site and the data dump. – AnthonyMaia Jul 25 '12 at 15:13

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