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Re: Bad order by performance (5.7.12 under Aurora)
Posted by: Peter Brawley
Date: November 26, 2019 02:05PM

Please use BBCode code tags to preserve text formatting eg of JSON blocks and of Explain output.

You're Ordering By f.ultima_elaborazione only, is there an index on that column? If adding it doesn't fix the problem, let's see Explain output (not JSON) and Show Create Tableresults for all tables.

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Re: Bad order by performance (5.7.12 under Aurora)
November 26, 2019 02:05PM

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