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From "Fabrizio Fortino (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (OAK-9091) oak-search-elastic: review query code
Date Fri, 12 Jun 2020 05:44:00 GMT

     [ https://issues.apache.org/jira/browse/OAK-9091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Fabrizio Fortino resolved OAK-9091.
-----------------------------------
    Resolution: Fixed

committed with revision [https://svn.apache.org/viewvc?view=revision&revision=1878762]

> oak-search-elastic: review query code
> -------------------------------------
>
>                 Key: OAK-9091
>                 URL: https://issues.apache.org/jira/browse/OAK-9091
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: elastic-search, indexing
>            Reporter: Fabrizio Fortino
>            Assignee: Fabrizio Fortino
>            Priority: Major
>
> The code to execute queries in the elastic module needs to be improved.
> It has been inherited from the first prototype but has never been reviewed/refactored.
> Here is what needs to be done:
>  * ElasticsearchRowIterator [0] is the central point. We need to break it up and separate
the query building phase from the interpretation of the response
>  * Centralize how we resolve property names. This affects also mapping and indexing phases
>  * We need to review how the queries are composed to increase performance. As a rule
of thumb, we should always create a BoolQuery and leverage as much as possible the use of
filters over matching queries. This allows us to use ES caching efficiently
>  * Increase test coverage. Most of the testing in this area requires ES integration.
We should add more unit tests checking that input query plans generate the expected ES requests.
> [0] [https://github.com/oak-indexing/jackrabbit-oak/blob/8cc86c4d142004bf2550cf2ac66400b54093209d/oak-search-elastic/src/main/java/org/apache/jackrabbit/oak/plugins/index/elasticsearch/query/ElasticsearchResultRowIterator.java]



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