Re: someone working to add merge?

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От Andrew Dunstan
Тема Re: someone working to add merge?
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Msg-id 4374D45E.6020809@dunslane.net
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Ответ на Re: someone working to add merge?  (Jaime Casanova <systemguards@gmail.com>)
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Jaime Casanova wrote:

>>Funny, we were just discussing this at OpenDBCon.   Seems that you can't do a
>>full implementation of MERGE without Predicate Locking (the ability to say
>>"lock this table against inserts or updates of any row with key=5").
>>    
>>
>
>it isn't what select for update does?
>
>  
>
>  
>

It won't prevent the insertion of a row with the given predicate.

cheers

andrew


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