What is the use of facets property in lucene oak index? | Community
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P_V_NairAdobe Champion
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February 22, 2022
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What is the use of facets property in lucene oak index?

  • February 22, 2022
  • 2 replies
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I have a custom Lucene index created for my project with all the required properties. This is an assets implementation project and hence the search filters are used to search assets.

This search is OOB, with custom properties added in search facets. This search is not working because of node traversal issues. The page will just show the loading icon, if we search something in the custom properties. These properties which is being searched are already indexed in the custom index and the query is picking the correct custom index as well.

Can someone help me with any property specific to use for search filters/ facets search optimization? Is the facets node and property used for this purpose? Appreciate if someone can shed some lights.

Attaching the explain query results from query performance tool here.

Query causing issue: /jcr:root/content/dam//element(*, dam:Asset)[((fn:lower-case(jcr:content/metadata/@lcl:articleId)='20014477'))]/(rep:facet(jcr:content/metadata/dc:format)|rep:facet(jcr:content/metadata/dam:status))

 

Index definition created: 

 

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Best answer by joerghoh

Can you try to remove the "fn:lowercase" function from your query? That should help to avoid traversals without the need to further adjust your index definitions.

2 replies

joerghoh
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joerghohAdobe Employee
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February 23, 2022

Can you show the query which is executed and then also the index definitions you created/customized?

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    P_V_NairAdobe ChampionAuthor
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    February 23, 2022

    @joerghoh Updated the description with all the required data you requested for.

      joerghoh
      Adobe Employee
      joerghohAdobe EmployeeAccepted solution
      Adobe Employee
      February 25, 2022

      Can you try to remove the "fn:lowercase" function from your query? That should help to avoid traversals without the need to further adjust your index definitions.

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        P_V_NairAdobe ChampionAuthor
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        February 25, 2022

        @joerghoh  Thanks a lot for your suggestion. I removed the ignorecase for the property from the search facets form and that fixed my issue.

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          P_V_NairAdobe ChampionAuthor
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          February 25, 2022

          If you are able to remove the fn:lowercase from your query, you don't need to do anything on top of it. Then your index definition is correct.

           

          I made this statement just in the case, that you need to keep this function in the query. Only in this case you need to change the index definition.


          @joerghoh  Thanks you for that suggestion. I have few other properties, where i need to keep the ignorecase function in the search facets form and hence will be coming in the OOB search query. So I will see on how to add those in the indexing rule as function indexing.

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