MYSQL Optimizing recurring expressions?

Posted by Johannes on Stack Overflow See other posts from Stack Overflow or by Johannes
Published on 2010-05-27T21:38:40Z Indexed on 2010/05/27 21:41 UTC
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Does the Optimizer evaluate the avergae only one time, or two times?

SELECT AVG(col1), 1/AVG(col1) FROM table

Thanks

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