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Re: timestamp, datetime as default value as current_timestamp [PARTITION]
Posted by: Mattias Jonsson
Date: September 05, 2012 12:36AM

> 3. the optimizer will use a fraction of the partitions (10 first up to now, that may be fixed in a later release) to estimate the index cardinalities.

This was changed in 5.5.23 as a fix for bug#13694811 (better use 5.5.26+).

It will now use a fraction (logarithmic proportional to the number of partitions) of the used partitions ordered by number of records in the partitions.

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timestamp, datetime as default value as current_timestamp [PARTITION]
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Mannoj Kumar
August 29, 2012 01:21AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Aftab Khan
August 29, 2012 04:21AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Mannoj Kumar
August 29, 2012 04:32AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Aftab Khan
August 29, 2012 09:16AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Rick James
August 30, 2012 10:35PM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Aftab Khan
August 31, 2012 01:58AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Aftab Khan
August 31, 2012 02:04AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Rick James
August 31, 2012 09:52AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Mattias Jonsson
September 05, 2012 12:36AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Rick James
September 05, 2012 08:29AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Mannoj Kumar
September 03, 2012 11:26PM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Rick James
September 04, 2012 08:05PM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Mannoj Kumar
September 07, 2012 05:49AM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
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Mattias Jonsson
August 31, 2012 06:00PM
Re: timestamp, datetime as default value as current_timestamp [PARTITION]
1872
Aftab Khan
September 03, 2012 03:19AM


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