Author: Mikko Saari | Relevanssi

July 7, 2022 by Mikko Saari

How to block searches without a search term

By default, Relevanssi returns all posts when searching without a search term. That’s the default WordPress behaviour. Sometimes it may not be the wanted behaviour. One reason is performance: returning all results can be very slow. To stop Relevanssi from running when there’s no search term, add this to your site: This little function will…

German umlauts

By default, the search ignores German umlauts. Searching for “uber” will also find “über” and so on. This ignorance is not a Relevanssi feature but instead governed by your database. The default database collation WordPress uses (utf8mb4_unicode_ci) ignores all accents, including umlauts. If you want the search to care about umlauts, you can change the…

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May 23, 2022 by Mikko Saari

Italian plurals

A Relevanssi user asked about Italian plurals on the Relevanssi support forums. The best answer is to use the Relevanssi Snowball Stemmer; it supports Italian and can handle more than plurals. You can add a function to handle just the plurals, though. Add this to your site: This function checks each word, and if it…

Attachment file content cannot be saved

The Relevanssi error “Could not save the file content to the custom field” means that Relevanssi has managed to read the attachment contents but cannot save them to the _relevanssi_pdf_content custom field Relevanssi uses to store the attachment contents. Relevanssi uses the update_post_meta() function to save the content, and for some reason, that function is…

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May 17, 2022 by Mikko Saari

The Events Calendar: The event search

The event search from The Events Calendar does not work when Relevanssi is enabled. In regular use, it works, but if you try to access the event list directly with a search term in the URL, the search finds nothing. One solution is to make Relevanssi index the tribe_events post type. Then you can enable…

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May 13, 2022 by Mikko Saari

Premium 2.18 / Free 4.16

Version 2.18 adds the first draft of Oxygen 4 support. As a major fix to indexing, Relevanssi now removes all accents from letters by default. Version 2.18.0 / 4.16.0 New feature: Oxygen compatibility has been upgraded to support JSON data from Oxygen 4. This is still in the early stages, so feedback from Oxygen users…

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April 21, 2022 by Mikko Saari

Premium 2.17 / Free 4.15

Version 2.17.0 fixes a major problem with the click tracking feature: the logs didn’t trim as they were supposed to. There are minor improvements to Bricks compatibility and many new filter hooks for fine-tuning the MySQL query Relevanssi uses to fetch the results. Version 2.17.2 / 4.15.2 Premium. New feature: If you have a valid…

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April 19, 2022 by Mikko Saari

Brizy Pro

Brizy is another WordPress site builder and as usual, it too has hard-coded queries that don’t play nice with Relevanssi. Fortunately, the Brizy post loop also has a filter hook for adjusting the loop arguments, so you can make Brizy use Relevanssi with a simple function. Add this to your site: This turns on the…

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March 15, 2022 by Mikko Saari

MySQL server kills Relevanssi indexing

A Relevanssi user reported a mystical database problem. After about two minutes of indexing, the server shuts down the indexing. This leaves MySQL queries hanging on the server, causing the site to crash. The only way to get the site back live was to reboot the whole MySQL server. Eventually, they were able to figure…

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March 10, 2022 by Mikko Saari

Adding custom functions to a site

The Relevanssi knowledge base is full of code snippets and custom functions that you can use to enhance your site and to change how Relevanssi works. But where to place those snippets and functions? There are many different methods of adding custom functions to your site, and I will go through them in this article.…

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