Need some clarification

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От Dhanaraj M
Тема Need some clarification
Дата
Msg-id 4461D73A.5030705@sun.com
обсуждение исходный текст
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I could see the following in TODO list
but I am not clear what is expected out of this.
Can anyone explain this?

1. *Allow VIEW/RULE recompilation when the underlying tables change *

*    Another issue is whether underlying table changes should be 
reflected in the view,   e.g. should SELECT * show additional columns if they are added after 
the view is created. *

Dropping/altering column is not allowed in the above mentioned scenario. 
Only it fails for (select *)
What are the other cases in which it fails?

2. *Invalidate prepared queries, like INSERT, when the table definition 
is altered

*Invalidation means recompilation or deletion of the prepared stmt here.*
*Both the items look similar. i.e) needs recompilation of the query 
after altering the table.
It is right?*
*


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