Re: [HACKERS] [PATCH] Lockable views

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От Robert Haas
Тема Re: [HACKERS] [PATCH] Lockable views
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Msg-id CA+TgmobPcA_d7XiXd265TgaKU1pSs6H16S4DsSG4vLL7W59gXQ@mail.gmail.com
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Ответ на Re: [HACKERS] [PATCH] Lockable views  (Tatsuo Ishii <ishii@sraoss.co.jp>)
Ответы Re: [HACKERS] [PATCH] Lockable views
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On Mon, Feb 5, 2018 at 10:49 PM, Tatsuo Ishii <ishii@sraoss.co.jp> wrote:
>> Hmm, true.  Why exactly are we imposing the restriction to updateable
>> views, anyway?
>
> In my understanding, because of ambiguity to determine which rows in
> which base tables needs to be modified by just looking at the DML
> against a view. There could be multiple ways to modify the base
> tables.

But what does that have to do with locking?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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