Re: Logical replication without a Primary Key

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От Peter Eisentraut
Тема Re: Logical replication without a Primary Key
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Msg-id 617f32f9-1fab-ea7d-745c-f64d0ad902ec@2ndquadrant.com
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Ответ на Logical replication without a Primary Key  ("Joshua D. Drake" <jd@commandprompt.com>)
Ответы Re: Logical replication without a Primary Key  ("Joshua D. Drake" <jd@commandprompt.com>)
Re: Logical replication without a Primary Key  ("David G. Johnston" <david.g.johnston@gmail.com>)
Список pgsql-hackers
On 12/6/17 19:03, Joshua D. Drake wrote:
> -Hackers,
> 
> In the docs it says:
> 
> "
> If the table does not have any suitable key, then it can be set to 
> replica identity“full”, which means the entire row becomes the key.
> 
> "
> 
> How does that work? Is it using one of the hidden columns on a row?

It means that for example if an update record is produced, the entire
row is included in the record as the key.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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