Comment 1 for bug 1462433

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Nilnandan Joshi (nilnandan-joshi) wrote :

Hi,

Could you specify semantics in more details ? like for
https://dev.mysql.com/doc/refman/5.6/en/string-functions.html#function_substring-index

After that, you should report this to upstream bug (Oracle MySQL). Because Percona server is based on Native MySQL.