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Re: Help on Query with DATE BETWEEN not performant
Posted by: Peter Brawley
Date: February 02, 2020 10:30PM

What MySQL version, how much ram, what is innodb_buffer_pool_size?

Explain result doesn't look right for millions of rows.

Before MySQL 8.0, more so before 5.7, a simple join will be faster than IN(...) ...

from earticles as A
JOIN econtracts_articles AS CA ON A.ID=CA.fk_earticle 
JOIN ecust_user_contract as u ON CA.fk_econtract=u.fk_contract 
                              AND u.fk_cust_user='mihaluka'
WHERE A.dateOfArticle BETWEEN '2019.01.02' AND '2020.02.02';

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Re: Help on Query with DATE BETWEEN not performant
February 02, 2020 10:30PM

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