Subject Re: [firebird-support] Stored procedures and views
Author Johannes Pretorius
Thanks will try that.


At 13:35 13/07/2004, you wrote:

>Try calling a view with a where clause and, after that, execute the
>same thing using the view select merged with your where. Compare the
>plans. Also you can check the performance... if the where is being
>merged, I think the performance should be *almost* the same.
>
>Carlos
>http://www.warmboot.com.br
>FireBase - http://www.FireBase.com.br
>
>JP> Good day
>JP> \=--\=-==-\
>
>JP> This will be handy if this is the case, but how can one test this ? I cannot
>JP> think of a why to test this out thus asking the list of they possible have a
>JP> way to test if the where is merged into the view IF the view is not
>JP> to complicated.
>
>JP> Thanks in Advance
>
>JP> Johannes
>
>
>JP> At 13:20 13/07/2004, you wrote:
>
>
>>>JP> Considering that the view first does the query and then the
>>>JP> where passed will be implemented on the result . I need to ask the following.
>>>
>>>I not sure if this is allways true. AFAIK in many cases the WHERE
>>>clause will be "merged" in the view select. Dmitry told that to me
>>>sometime ago.
>>>
>>>Carlos
>>>http://www.warmboot.com.br
>>>FireBase - http://www.FireBase.com.br
>
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>
>Yahoo! Groups Links
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