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  • Nik 1554 posts 6876 karma points MVP 5x c-trib
    Apr 16, 2021 @ 16:41

    Examine - Query not working but works in Luke

    Hi All,

    I've got an odd examine issue.

    I have a custom field on my examine index called _Avg_rating, it is populating with a numerical value which I can see in both the Umbraco back office and via Luke.

    Now my problem is when I try and search against this field it is not returning any results via Examine in Umbraco (either in the back office or via custom code), yet the same query is working via Luke.

    The Lucene query in question is: +_Avg_rating:3. I've also tried doing a range query: +_Avg_rating:[1 TO 5}

    Both of these return the correct Result(s) when performed in Luke with, but zero results in the Umbraco back office / custom code and I have no idea why.

    If anyone has any ideas it would be greatly appreciated!



  • Nik 1554 posts 6876 karma points MVP 5x c-trib
    Apr 19, 2021 @ 07:57

    Okay, some follow up on this:

    1. From what I can tell Umbraco uses the StandardAnalyzer to do it's searching. This, for some reason does not appear to be working (i.e. zero results).
    2. The behaviour in Luke seems to have changed. It was working with a single value query with a range of analyzers, but now it appears to only be working with a ranged query of 1 - 5.

    Luke Analyzer's I've tried - Simple Analyzer, KeywordAnalyzer

    So... questions:

    a. How do I change the Analyzer in Umbraco? b. What's the implications of changing it?


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