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https://issues.apache.org/jira/browse/SOLR-6234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mikhail Khludnev updated SOLR-6234:
-----------------------------------
Description:
it adds ability to call Lucene's JoinUtil by specifying local param, ie {{
{!join score=...}... }}. It supports:
- {{score=none|avg|max|total}} local param (passed as ScoreMode to JoinUtil)
- -supports {{b=100}} param to pass {{Query.setBoost()}}- postponed till
SOLR-7814.
- -{{multiVals=true|false}} is introduced- YAGNI, let me know otherwise.
- there is a test coverage for cross core join case.
- so far it joins string and multivalue string fields (Sorted, SortedSet,
Binary), but not Numerics DVs. follow-up LUCENE-5868
was:
it adds {{scorejoin}} query parser which calls Lucene's JoinUtil underneath. It
supports:
- {{score=none|avg|max|total}} local param (passed as ScoreMode to JoinUtil)
- {{score=none}} is *default*, eg if you *omit* this localparam
- supports {{b=100}} param to pass {{Query.setBoost()}}.
- {{multiVals=true|false}} is introduced
- there is a test coverage for cross core join case.
- so far it joins string and multivalue string fields (Sorted, SortedSet,
Binary), but not Numerics DVs. follow-up LUCENE-5868
-there was a bug in cross core join, however there is a workaround for it- it's
fixed in Dec'14 patch.
Note: the development of this patch was sponsored by an anonymous contributor
and approved for release under Apache License.
> Scoring modes for query time join
> ----------------------------------
>
> Key: SOLR-6234
> URL: https://issues.apache.org/jira/browse/SOLR-6234
> Project: Solr
> Issue Type: New Feature
> Components: query parsers
> Affects Versions: 5.3
> Reporter: Mikhail Khludnev
> Assignee: Timothy Potter
> Labels: features, patch, test
> Fix For: 5.3
>
> Attachments: SOLR-6234.patch, SOLR-6234.patch, SOLR-6234.patch,
> SOLR-6234.patch, otherHandler.patch
>
>
> it adds ability to call Lucene's JoinUtil by specifying local param, ie {{
> {!join score=...}... }}. It supports:
> - {{score=none|avg|max|total}} local param (passed as ScoreMode to JoinUtil)
> - -supports {{b=100}} param to pass {{Query.setBoost()}}- postponed till
> SOLR-7814.
> - -{{multiVals=true|false}} is introduced- YAGNI, let me know otherwise.
> - there is a test coverage for cross core join case.
> - so far it joins string and multivalue string fields (Sorted, SortedSet,
> Binary), but not Numerics DVs. follow-up LUCENE-5868
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