Re: Views dependency

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От Alvaro Herrera
Тема Re: Views dependency
Дата
Msg-id 20070311063808.GA11739@alvh.no-ip.org
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Ответ на Views dependency  ("Shoaib Mir" <shoaibmir@gmail.com>)
Ответы Re: Views dependency  ("Shoaib Mir" <shoaibmir@gmail.com>)
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Shoaib Mir escribió:
> Suppose I have a view:
>
> create view v1 as select * from t1;
>
> and another view as:
>
> create view v2 as select * from v1;
>
> Now is there any query or any catalog table available by which I can get to
> know the dependency (names of views on which v2 depends) for view v2?

Yes, pg_depend has a row for v2 to indicate dependency on the pg_rewrite
row, which in turn has an entry to indicate dependency on v1.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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