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From Jan Høydahl (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SOLR-8812) ExtendedDismaxQParser (edismax) ignores Boolean OR when q.op=AND
Date Wed, 30 Mar 2016 21:27:25 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15218894#comment-15218894
] 

Jan Høydahl commented on SOLR-8812:
-----------------------------------

Perhaps, after reverting, we could spend some effort adding better test coverage to edismax,
to prevent similar regressions in the future.
Then also add a bunch more tests for SOLR-2649, defining wanted behavior for all kind of corner
cases.

> ExtendedDismaxQParser (edismax) ignores Boolean OR when q.op=AND
> ----------------------------------------------------------------
>
>                 Key: SOLR-8812
>                 URL: https://issues.apache.org/jira/browse/SOLR-8812
>             Project: Solr
>          Issue Type: Bug
>          Components: query parsers
>    Affects Versions: 5.5
>            Reporter: Ryan Steinberg
>            Assignee: Erick Erickson
>            Priority: Blocker
>             Fix For: 6.0, 5.5.1
>
>         Attachments: SOLR-8812.patch
>
>
> The edismax parser ignores Boolean OR in queries when q.op=AND. This behavior is new
to Solr 5.5.0 and an unexpected major change.
> Example:
>       "q": "id:12345 OR zzzzzzzzzz",
>       "defType": "edismax",
>       "q.op": "AND",
> where "12345" is a known document ID and "zzzzzzzzzz" is a string NOT present in my data
> Version 5.5.0 produces zero results:
>     "rawquerystring": "id:12345 OR zzzzzzzzzz",
>     "querystring": "id:12345 OR zzzzzzzzzz",
>     "parsedquery": "(+((id:12345 DisjunctionMaxQuery((text:zzzzzzzzzz)))~2))/no_coord",
>     "parsedquery_toString": "+((id:12345 (text:zzzzzzzzzz))~2)",
>     "explain": {},
>     "QParser": "ExtendedDismaxQParser"
> Version 5.4.0 produces one result as expected
>   "rawquerystring": "id:12345 OR zzzzzzzzzz",
>     "querystring": "id:12345 OR zzzzzzzzzz",
>     "parsedquery": "(+(id:12345 DisjunctionMaxQuery((text:zzzzzzzzzz))))/no_coord",
>     "parsedquery_toString": "+(id:12345 (text:zzzzzzzzzz))"
>     "explain": {},
>     "QParser": "ExtendedDismaxQParser"



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