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Editorial Team
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Asked: 2026-06-08T06:17:38+00:00

On a server running MySql 5.0.27, with a very simple query that uses REPLACE

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On a server running MySql 5.0.27, with a very simple query that uses REPLACE — 

SELECT familyname, replace('{0} test' , '{0}', `familyname`) AS  `formattedname`
FROM family

I get a result where the second column has only been evaluated once:

familyname   formattedname
Andersen     Andersen test
Baker        Andersen test
Charles      Andersen test

On a development machine running MySql 5.5.9, same query and data, the results are as I would expect:

Andersen     Andersen test
Baker        Baker test
Charles      Charles test

Is this a MySql bug in the older version, or is there some other possibility (a server misconfiguration, an index error, etc?).

Thanks!

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1 Answer

  1. Editorial Team

    This is a known bug. It was reported here.
    Either you can live with it, or you need to upgrade at least to MySQL 5.1.

    And if your software is compatible, why not upgrade to MySQL 5.5?

    I found the bug report using the search engine in the Mysql bugs database.

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