A few (more) questions

[chuck hinkle]

I also have a question about my first Valentina project (with RB). I'm
wondering if this is possible. The only file that my application will need
is the Valentina database. What I'd really like to be able to do is to let
the user double-click on the that database file and have it launch the
compiled app. Is that going to be possible? Or will I need to store the
path to the database file in the preferences for the app? What I'd hoped
to avoid was having to deal with the case where someone moves the data
file.

chuck



> on 10/20/03 13:33, Ian Devaney at idevaney at mac.com wrote:
>
> Hi Ian,
>
>> I'm just starting my first Valentina project for while and have some
>> questions regarding changes since I Iast used it seriously.
>>
>> Am I right in thinking that I should now user cursors - rather than
>> baseObjects - for updates?
>
> In the past this was true also.
> BaseObject API was always under warn.
>
>> If this is the case, what about creating records?
>
> The same,
>
> Just keep in mind -- Cursor API can work with Vserver.
> BaseObject API cannot. Only with local db.
>
>> Let's say I have some code I use for creating a new record. It uses
>> "setBlank" on the baseObject and then populates it with values before
>> calling "addRecord".
>>
>> In the past, I could use the majority of this code - the bit that
>> populates the table/baseObject - in my update routine. What happens now
>> if I have to use a cursor for the update part?
>
> You still can use BaseObject API,
> But only for local db
>
> To use cursor you do
>
>     curs = "SELECT ... FROM T WHERE RecID = 0 "
>
>     curs.SetBlank()
>
>     set fields:
>
>     curs.AddRecord()
>
> Very similar to BaseObject API.
>
>
>> Also, my project is likely to end up running on vServer.
>
> Then no doubts you need switch to cursor API and SQL.
>
>> However, I am doing most of the early development using the regular RB
>> plugin
>> and methods. I know about the differences when creating db's etc. Is
>> this a
>> safe thing to do and are there any other pitfalls I should be aware of
>> when
>> working this way?
>
> IF you use only cursor then to jump to Vserver you need change just only
> line with db.Create().
>
>
> --
> Best regards,
> Ruslan Zasukhin      [ I feel the need...the need for speed ]
> -------------------------------------------------------------
> e-mail: ruslan at paradigmasoft.com
> web: http://www.paradigmasoft.com
>
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Chuck Hinkle [INTJ]

"Perception is usually more persuasive than reality"