Re: Materialized views WIP patch
От | Greg Stark |
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Тема | Re: Materialized views WIP patch |
Дата | |
Msg-id | CAM-w4HPF1RNcHpsCkTgg0uXiSs8eOAcky_UA8UYsyNvTvFjHqw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Materialized views WIP patch (Ants Aasma <ants@cybertec.at>) |
Ответы |
Re: Materialized views WIP patch
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Список | pgsql-hackers |
On Fri, Mar 1, 2013 at 3:01 PM, Ants Aasma <ants@cybertec.at> wrote: > . To give another example of potential future > update semantics, if we were to allow users manually maintaining > materialized view contents using DML commands, one would expect > TRUNCATE to mean "make this matview empty", not "make this matview > unavailable". Wouldn't that just be a regular table then though? How is that a materialized view? If anything someone might expect truncate to delete any rows from the source table that appear in the view. But I think it's likely that even if materialized views were updateable truncate wouldn't be one of the updateable operations. -- greg
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