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Re: Performance issues afre upgrading to 5.7
Posted by: Peter Brawley ()
Date: November 24, 2016 11:32AM

Pretty obviously it's a bug they're having difficulty with.

A workaround: pick off the rows column value from ...

EXPLAIN SELECT COUNT(PKcolname) FROM tblname USE INDEX (PRIMARY)

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Subject Views Written By Posted
Performance issues afre upgrading to 5.7 306 Alexandru Badulescu 11/24/2016 08:48AM
Re: Performance issues afre upgrading to 5.7 245 Peter Brawley 11/24/2016 11:32AM
Re: Performance issues afre upgrading to 5.7 155 Øystein Grøvlen 11/25/2016 07:28AM
Re: Performance issues afre upgrading to 5.7 172 Øystein Grøvlen 11/25/2016 06:16AM
Re: Performance issues afre upgrading to 5.7 159 Alexandru Badulescu 11/25/2016 06:59AM
Re: Performance issues afre upgrading to 5.7 251 Øystein Grøvlen 11/25/2016 07:53AM
Re: Performance issues afre upgrading to 5.7 162 Rick James 11/25/2016 08:18PM


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