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Asked: 2026-05-15T19:03:03+00:00

below are tables I need to index in Sphinx News has many projects linked

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below are tables I need to index in Sphinx
alt text

News has many projects linked to it via the news_projects table…

My question is it advisable to have all the project names in one text field so that it can be searched on?

This is my query :

//query to get the project names and make all project names appear in one field separated by comma.
SELECT
  news.id
  news.headline,
  news.body,
GROUP_CONCAT(DISTINCT projects.project_name) as related_projects
FROM  news 
LEFT JOIN news_projects on news.id = news_projects.news_id
LEFT JOIN projects on news_projects.project_id = projects.id
GROUP BY news.id

This will then output rows with project_name column formatted as ‘name,name2,name3’

Im a bit undecided weather to use this or just make the project_id an attribute.. Having the project_name as text is definitely of big help because it can be searched on…

Please.. I need you opinion on this.. thanks a lot!

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1 Answer

  1. Editorial Team

    If the project name is useful for searching on, then definitely keep it. I would recommend concatenating with a space instead of a comma, though (although it may not matter under the hood for Sphinx when you’re using the default settings).

    It’s probably also useful to have the project ids as a Multi-Value Attribute (MVA) – which means you can limit search results to news items within a specific project. No reason to not have both, really.

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