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Posted to dev@couchdb.apache.org by "Filipe Manana (Created) (JIRA)" <ji...@apache.org> on 2012/02/18 14:55:02 UTC

[jira] [Created] (COUCHDB-1413) Reduce queries with ?inclusive_end=false and endkey/endkey_docid or startkey/startkey_docid (if ?descending=true) produce incorrect reductions

Reduce queries with ?inclusive_end=false and endkey/endkey_docid or startkey/startkey_docid (if ?descending=true) produce incorrect reductions
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                 Key: COUCHDB-1413
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1413
             Project: CouchDB
          Issue Type: Bug
    Affects Versions: 1.1.1
            Reporter: Filipe Manana
            Assignee: Filipe Manana
             Fix For: 1.2.1


COUCHDB-1047 attempted to fix endkey being ignored for reduce queries. It works but it's busted when endkey_docid is also present, as it produces wrong results. Using end_key_gt as an endkey in the btree fold reduce operation is not enough to guarantee correct results for all cases.

The following script reproduces the issue and the following patch fixes it.

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[jira] [Resolved] (COUCHDB-1413) Reduce queries with ?inclusive_end=false and endkey/endkey_docid or startkey/startkey_docid (if ?descending=true) produce incorrect reductions

Posted by "Filipe Manana (Resolved) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/COUCHDB-1413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Filipe Manana resolved COUCHDB-1413.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.2

Applied to master and 1.2.x
                
> Reduce queries with ?inclusive_end=false and endkey/endkey_docid or startkey/startkey_docid (if ?descending=true) produce incorrect reductions
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: COUCHDB-1413
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1413
>             Project: CouchDB
>          Issue Type: Bug
>    Affects Versions: 1.1.1
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>             Fix For: 1.2, 1.2.1
>
>         Attachments: 0001-Fix-fold-reduce-with-non-inclusive-end-key.patch, 0001-Fix-fold-reduce-with-non-inclusive-end-key.patch, COUCHDB-1413.sh
>
>
> COUCHDB-1047 attempted to fix endkey being ignored for reduce queries. It works but it's busted when endkey_docid is also present, as it produces wrong results. Using end_key_gt as an endkey in the btree fold reduce operation is not enough to guarantee correct results for all cases.
> The following script reproduces the issue and the following patch fixes it.

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[jira] [Updated] (COUCHDB-1413) Reduce queries with ?inclusive_end=false and endkey/endkey_docid or startkey/startkey_docid (if ?descending=true) produce incorrect reductions

Posted by "Filipe Manana (Updated) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/COUCHDB-1413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Filipe Manana updated COUCHDB-1413:
-----------------------------------

    Attachment: 0001-Fix-fold-reduce-with-non-inclusive-end-key.patch
    
> Reduce queries with ?inclusive_end=false and endkey/endkey_docid or startkey/startkey_docid (if ?descending=true) produce incorrect reductions
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: COUCHDB-1413
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1413
>             Project: CouchDB
>          Issue Type: Bug
>    Affects Versions: 1.1.1
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>             Fix For: 1.2.1
>
>         Attachments: 0001-Fix-fold-reduce-with-non-inclusive-end-key.patch, 0001-Fix-fold-reduce-with-non-inclusive-end-key.patch, COUCHDB-1413.sh
>
>
> COUCHDB-1047 attempted to fix endkey being ignored for reduce queries. It works but it's busted when endkey_docid is also present, as it produces wrong results. Using end_key_gt as an endkey in the btree fold reduce operation is not enough to guarantee correct results for all cases.
> The following script reproduces the issue and the following patch fixes it.

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[jira] [Updated] (COUCHDB-1413) Reduce queries with ?inclusive_end=false and endkey/endkey_docid or startkey/startkey_docid (if ?descending=true) produce incorrect reductions

Posted by "Filipe Manana (Updated) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/COUCHDB-1413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Filipe Manana updated COUCHDB-1413:
-----------------------------------

    Attachment: 0001-Fix-fold-reduce-with-non-inclusive-end-key.patch
                COUCHDB-1413.sh
    
> Reduce queries with ?inclusive_end=false and endkey/endkey_docid or startkey/startkey_docid (if ?descending=true) produce incorrect reductions
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: COUCHDB-1413
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1413
>             Project: CouchDB
>          Issue Type: Bug
>    Affects Versions: 1.1.1
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>             Fix For: 1.2.1
>
>         Attachments: 0001-Fix-fold-reduce-with-non-inclusive-end-key.patch, COUCHDB-1413.sh
>
>
> COUCHDB-1047 attempted to fix endkey being ignored for reduce queries. It works but it's busted when endkey_docid is also present, as it produces wrong results. Using end_key_gt as an endkey in the btree fold reduce operation is not enough to guarantee correct results for all cases.
> The following script reproduces the issue and the following patch fixes it.

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