[ALL] Export

Ruslan Zasukhin sunshine at public.kherson.ua
Thu Jan 8 23:08:17 CST 2004


on 1/8/04 10:53 PM, Martin Kloss at martin.kloss at gmx.de wrote:

> At 21:21 08.01.2004, you wrote:
>>> I need to export fields from a db, but not their content,
>>> only if they have content or not.
>>     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not clear.
> 
> very simple, say you have 2 records, but only one contains
> a string, the other one is empty:
> 
> 1. ruslan
> 2.
> 
> now instead of selecting the field itself, which would
> give me the value of the field, I want to get results where
> the result is 1 for a value and 0 for no value.
> 
> 1. 1
> 2. 0

I see.


>>> SELECT (foo <> '') as has_name
> 
> This would create a tmp field to be a boolean,
> but in Valentina is does not work, you'd need to
> create a field method.

This will work in 2.0

>> You want say that you cannot create BaseObject method on the fly
>> for READ ONLY db ?  Probably yes. This is not possible.
> 
> I know, I just wanted to know if you know any other way
> to do it. Currently I have to select the fields and parse the
> results, so that I get what I want. But that means going
> through every single record and if there are many records
> this is kinda slow.

This condition changes on the fly?

Why you cannot add this BaseObject method to database structure?

-- 
Best regards,
Ruslan Zasukhin      [ I feel the need...the need for speed ]
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e-mail: ruslan at paradigmasoft.com
web: http://www.paradigmasoft.com

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