Re: Write-able CTEs, Update-able views, Hierarchical data, and optimistic locking
От | Bruce Momjian |
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Тема | Re: Write-able CTEs, Update-able views, Hierarchical data, and optimistic locking |
Дата | |
Msg-id | 201005300138.o4U1cUC26848@momjian.us обсуждение исходный текст |
Ответ на | Re: Write-able CTEs, Update-able views, Hierarchical data, and optimistic locking (David Fetter <david@fetter.org>) |
Ответы |
Re: Write-able CTEs, Update-able views, Hierarchical data,
and optimistic locking
|
Список | pgsql-general |
David Fetter wrote: > On Sat, May 29, 2010 at 01:29:50PM -0700, Richard Broersma wrote: > > This might be a premature question considering write-able CTEs are not > > in core, but... > > > > I wondering if write-able CTE's will be the silver bullet that will > > make rule based update-able views based multiple vertically > > partitioned table robust. By robust, I mean to elimination the > > update anomalies that can occur from the view point client side > > optimistic locking where the virtual row appears to be > > inconsistently updated. > > I'm not sure I understand. When the concurrency issues in writeable > CTEs get fixed, they could become a mechanism for doing what you > describe, but I suspect there would be significant work involved in > harnessing them to that task. > > They'll be pretty nice even without the automated view stuff, though :) If the user wants to submit it, fine, but neither Tom nor I are excited about it. -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com
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