Re: performance problems with bulk inserts/updates on tsrange with gist-based exclude constrains

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От Chris Withers
Тема Re: performance problems with bulk inserts/updates on tsrange with gist-based exclude constrains
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Msg-id 51f90c7b-acb7-040f-73af-2c736accc6cb@simplistix.co.uk
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Ответ на Re: performance problems with bulk inserts/updates on tsrange with gist-based exclude constrains  (John R Pierce <pierce@hogranch.com>)
Ответы Re: performance problems with bulk inserts/updates on tsrange with gist-based exclude constrains  (John R Pierce <pierce@hogranch.com>)
Re: performance problems with bulk inserts/updates on tsrange with gist-based exclude constrains  (Igor Neyman <ineyman@perceptron.com>)
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On 16/09/2016 10:26, John R Pierce wrote:
> On 9/16/2016 2:23 AM, John R Pierce wrote:
>>
>> wait, what is a tsrange?   the standard textsearch data types in
>> postgres are tsvector and tsquery,
>
> never mind,  I should have known, its a timestamp range.   ...
>
>
> when you do updates, are you changing any of the indexed fields, or
> just "value" ?
Yeah, it's a temporal table, so "updates" involve modifying the period
column for a row to set its end ts, and then inserting a new row with a
start ts running on from that.

Of course, the adds are just inserting new rows.

cheers,

Chris


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