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https://issues.apache.org/jira/browse/SOLR-9620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15787321#comment-15787321
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ASF subversion and git services commented on SOLR-9620:
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Commit 6168a5d63e43efd4d193b9ad6fae1f372794a1c8 in lucene-solr's branch
refs/heads/branch_6x from [~mkhludnev]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=6168a5d ]
SOLR-9620: fix cross core query time join by numeric fields
> {!join score=.. fromIndex=..} throws "undefined field" for numeric field if
> from and to schemas are different
> --------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-9620
> URL: https://issues.apache.org/jira/browse/SOLR-9620
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 6.3
> Reporter: Mikhail Khludnev
> Assignee: Mikhail Khludnev
> Attachments: SOLR-9620.patch
>
>
> numeric "from" field is mistakenly looked in "to" schema. see
> org.apache.solr.search.join.ScoreJoinQParserPlugin.....parse()
> {code}
> private Query createQuery(final String fromField, final String
> fromQueryStr,
> String fromIndex, final String toField,
> final ScoreMode scoreMode,
> boolean byPassShortCircutCheck) throws
> SyntaxError {
> + FieldType.LegacyNumericType fromNumericType =
> req.getSchema().getField(fromField).getType().getNumericType();
> + FieldType.LegacyNumericType toNumericType =
> req.getSchema().getField(toField).getType().getNumericType();
> {code}
> it's in branch_6x only. Users who are faced this are advised to just declare
> "from" field in "to" schema. It should work. Take care.
> one line fix and improvements for TestCrossCoreJoin.java are quite welcome.
>
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