Why would you drop the view for every query? I assume there is a fixed
number of tables that can be queried in this manner, and a limited
number of ways they can be combined.

Rick DeBay

-----Original Message-----
From: Garrett Smith [mailto:garrett@...]
Sent: Friday, December 17, 2004 12:27 PM
To: firebird-support@yahoogroups.com
Subject: RE: [firebird-support] Temporary tables


The two tables are just examples -- I don't know ahead of time which
tables will be involved.

Would I still want use a view, even though I'd be creating a new one
(and then dropping it) for every query?

-- Garrett

Rick DeBay wrote:

> Create a view based on the two tables, and query the view.
>
> -----Original Message-----
> From: Garrett Smith [mailto:garrett@...]
> Sent: Friday, December 17, 2004 12:06 PM
> To: firebird-support@yahoogroups.com
> Subject: RE: [firebird-support] Temporary tables
>
>
> I have several tables that I want to query as if their rows were in a
> single table. My thinking was to use a temporary table and execute
> multiple 'select into' queries to populate it and then run a final
> select against it.
>
> E.g., given two tables:
>
> foo ( id integer, name varchar)
> bar ( id integer, name varchar, status integer)
>
> I want a structure looks like:
>
> some_structure (
> name varchar,
> status integer,
> foo_name varchar,
> bar_name varchar,
> bar_status integer)
>
> so I can run queries like:
>
> select id from some_structure where name = 'Baz' or status = 1;
> select id from some_structure where foo_name = 'Baz' or bar_status =
> 1;
>
> Rows from table foo would NULL values for status. The underlying
> applications lets users select objects (represented by id) by
> specifying property name values. We validate input to ensure that an
> unqualified properties (e.g. 'name', as opposed to 'bar_name') have
> compatible types.
>
> -- Garrett
>
> Ann W. Harrison wrote:
>> At 10:39 AM 12/17/2004, Garrett Smith wrote:
>>
>>
>>> Does Firebird 1.5 support temporary tables in any way?
>>
>> No, but if you explain what you're trying to do, we can
>> probably suggest an alternative that will work well.
>>
>>
>> Regards,
>>
>>
>> Ann
>>
>>
>>
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