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Re: Any difference in no-condition-group-by between on partition table and non-partition table?
Posted by: Rick James
Date: April 14, 2011 11:45PM

I don't know for sure, but I would expect PARTITION and non-PARTITION and MERGE to behave essentially the same way -- full table scan + sort + group by.

There are cases where it might act differently. An example: if there is a covering index.

Mattias, comments?

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Any difference in no-condition-group-by between on partition table and non-partition table?
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Ming Lu
April 13, 2011 09:46PM
Re: Any difference in no-condition-group-by between on partition table and non-partition table?
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Rick James
April 14, 2011 11:45PM
Re: Any difference in no-condition-group-by between on partition table and non-partition table?
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Mattias Jonsson
May 02, 2011 02:44AM
Re: Any difference in no-condition-group-by between on partition table and non-partition table?
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Ming Lu
June 08, 2011 09:47AM


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