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From "Marten Feldtmann (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COUCHDB-1797) Query against a view creates a questionable result
Date Sat, 18 May 2013 14:21:15 GMT
Marten Feldtmann created COUCHDB-1797:
-----------------------------------------

             Summary: Query against a view creates a questionable result
                 Key: COUCHDB-1797
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1797
             Project: CouchDB
          Issue Type: Bug
          Components: Database Core
            Reporter: Marten Feldtmann


I have a test system (CouchDB 1.3.0 under windows 7/64 Bit), where I insert lots of documents(100000)
to get a regular flow of new incoming documents.

The database has also some views (25). Another task is reading documents from a view, change
some attributes and then the document should disappear from the view (and appear in another
view). Something like a state machine.

I do the following query against a view:

http://localhost:5984/test5/_design/ticketorggraphics/_view/waiting?limit=5&include_docs=true&include_end=true

and get the following string:

{"total_rows":9224,"offset":0,"rows":[
{"id":"92224c2862ef49c15f3d51e3e7283cde","key":"ni13_1_2013101_20130518155518065","value":"ni13_2013101_VsPercentResult_83519204509647","doc":{"_id":"92224c2862ef49c15f3d51e3e7283cde","_rev":"1-6e8b57744c2b88f3d2dcad602e2e3353","distribution":"global","type":"ESTicketCreateOriginalGraphic","createdTS":"20130518155518065","priority":1,"eDayID":"ni13","electionID":2013101,"layout":"ard2013","baseDocKey":"ni13_2013101_VsPercentResult_83519204509647","_attachments":{"bclitemsdata":{"content_type":"application/zip","revpos":1,"digest":"md5-sdff2jkxp4w6xsSlx5Yzxw==","length":4533,"stub":true}}}},
{"id":"92224c2862ef49c15f3d51e3e7285d38","key":"ni13_1_2013101_20130518155518135","value":"ni13_2013101_VsPercentResult_16771681663808","doc":{"_id":"92224c2862ef49c15f3d51e3e7285d38","_rev":"1-05b92282ec5f2d1b6d56912760792702","distribution":"global","type":"ESTicketCreateOriginalGraphic","createdTS":"20130518155518135","priority":1,"eDayID":"ni13","electionID":2013101,"layout":"ard2013","baseDocKey":"ni13_2013101_VsPercentResult_16771681663808","_attachments":{"bclitemsdata":{"content_type":"application/zip","revpos":1,"digest":"md5-sdff2jkxp4w6xsSlx5Yzxw==","length":4533,"stub":true}}}},
{"id":"92224c2862ef49c15f3d51e3e728c5e2","key":"ni13_1_2013101_20130518155518413","value":"ni13_2013101_VsPercentResult_10619936276742","doc":null},
{"id":"b02d128d88188d78ef7f3478586c349b","key":"ni13_2_2013101_20130518155203924","value":"ni13_2013101_VsPercentResult_46202583943140","doc":{"_id":"b02d128d88188d78ef7f3478586c349b","_rev":"1-bd2a2bfb1f7461e6b3ec6d4d106e08e4","distribution":"global","type":"ESTicketCreateOriginalGraphic","createdTS":"20130518155203924","priority":2,"eDayID":"ni13","electionID":2013101,"layout":"ard2013","baseDocKey":"ni13_2013101_VsPercentResult_46202583943140","_attachments":{"bclitemsdata":{"content_type":"application/zip","revpos":1,"digest":"md5-ErSTxuEaSHZrIJ276ANdOQ==","length":4533,"stub":true}}}},
{"id":"b02d128d88188d78ef7f3478586c72a1","key":"ni13_2_2013101_20130518155204124","value":"ni13_2013101_VsPercentResult_91455901404013","doc":{"_id":"b02d128d88188d78ef7f3478586c72a1","_rev":"1-6f702cff1d12f992d745fc19be84b846","distribution":"global","type":"ESTicketCreateOriginalGraphic","createdTS":"20130518155204124","priority":2,"eDayID":"ni13","electionID":2013101,"layout":"ard2013","baseDocKey":"ni13_2013101_VsPercentResult_91455901404013","_attachments":{"bclitemsdata":{"content_type":"application/zip","revpos":1,"digest":"md5-L9UXpNNRUyk/LSlzAyEsXQ==","length":4533,"stub":true}}}}
]}

Please notice, that the doc attribute of the third item in the rows attribute has the value
"null". That means, that the view entry has no belonging document ????????

This seems to indicate an inconsistency within the database.

I can not say, when this error happens, but I know, that it will happen in my test run.

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