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Re: Compound index (pkey) not used when it should be
Posted by: Øystein Grøvlen
Date: December 01, 2017 10:10AM

Hi,

Unfortunately, MySQL does not recognize that an index range scan can be used for "(x,y) >= (a,b)". Try rewriting the query to use "(x > a) OR (x = a AND y >= b)".

Øystein Grøvlen,
Senior Principal Software Engineer,
MySQL Group, Oracle,
Trondheim, Norway

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Compound index (pkey) not used when it should be
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Dan Parker
November 29, 2017 01:39PM
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Peter Brawley
November 29, 2017 04:21PM
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Dan Parker
November 29, 2017 04:38PM
Re: Compound index (pkey) not used when it should be
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Peter Brawley
November 29, 2017 05:16PM
Re: Compound index (pkey) not used when it should be
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Dan Parker
November 29, 2017 05:25PM
Re: Compound index (pkey) not used when it should be
748
Peter Brawley
November 29, 2017 06:13PM
Re: Compound index (pkey) not used when it should be
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Dan Parker
November 29, 2017 06:23PM
Re: Compound index (pkey) not used when it should be
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Peter Brawley
November 29, 2017 07:46PM
Re: Compound index (pkey) not used when it should be
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Dan Parker
November 30, 2017 10:31AM
Re: Compound index (pkey) not used when it should be
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Peter Brawley
December 01, 2017 11:02AM
Re: Compound index (pkey) not used when it should be
748
Dan Parker
December 01, 2017 11:05AM
Re: Compound index (pkey) not used when it should be
830
Peter Brawley
December 01, 2017 11:19AM
Re: Compound index (pkey) not used when it should be
868
Dan Parker
December 01, 2017 11:26AM
Re: Compound index (pkey) not used when it should be
756
Peter Brawley
December 01, 2017 01:04PM
Re: Compound index (pkey) not used when it should be
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Dan Parker
December 01, 2017 01:10PM
Re: Compound index (pkey) not used when it should be
785
Peter Brawley
December 01, 2017 05:01PM
Re: Compound index (pkey) not used when it should be
841
Øystein Grøvlen
December 01, 2017 10:10AM
Re: Compound index (pkey) not used when it should be
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Dan Parker
December 01, 2017 10:36AM


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