Replacing file-system by database in KStars

[Tomaz Canabrava]

A Database is better than the HDF5 approach?
HDF5 is designed to be a very fast file format for scientific data, kstars
falls into that category.


On Tue, Jan 28, 2014 at 7:03 AM, Vijay Dhameliya
<vijay.atwork13 at gmail.com>wrote:

> Hi
>
> Thank you very much Macro for giving clue of the way to do it. I agree
> with you that plan and diagram for workflow is must. I shall first plan and
> start preparing diagram of database structure for KStars.
>
> I will soon prepare rough diagram of flow and share with you so you can
> give your suggestion and so on. And we can improve it to level best as
> KStars team give suggestions.
>
> BTW I have good experience with development of Database Managment in Qt
> and I hope it will help us here :)
>
>
> On Tue, Jan 28, 2014 at 2:14 PM, Marco Calignano <
> marco.calignano at gmail.com> wrote:
>
>> HI!
>>
>> I also think a database is a better approach than a file base system. But
>> you didn't address the first and biggest think to do. Before you can start
>> coding you should really plan your database.
>> To create a database it is a real big work. You need to plan in advance
>> even for feature are not at the horizon yet. If you plan it correctly you
>> can then include localization as well.
>> I was thinking to jump on KStar to help, so maybe this is my cue. I will
>> have to learn how the data are structured and I can help with the database
>> development. But I would like to see some diagram here in the Kde-Edu list.
>> So that all the KStar team can also have a look and give their opinion.
>>
>> Cheers
>> Marco
>>
>>
>> On Tue, Jan 28, 2014 at 4:39 AM, Alexander Wolf <alex.v.wolf at gmail.com>wrote:
>>
>>> Hi!
>>>
>>> 2014-01-28 Vijay Dhameliya <vijay.atwork13 at gmail.com>
>>>
>>> Currently when KStars is launched, it reads data corresponding to
>>>> different Skyobject from respective file in loaddata() methods. And I have
>>>> tracked out all the classes where we are loading data by reading file.
>>>>
>>>> I researched bit on the topic and I found that loading data from
>>>> database is always much better option then doing same from file.
>>>>
>>>> If we replace file system with QSql following are the Pros:
>>>>
>>>> 1) We will not have to ship so many files with Kstars
>>>> 2) Loading from database is quicker than doing same from file
>>>> 3) Code for load methods will be reduced in size
>>>>
>>>> Cons:
>>>> 1) I will have to move all data from files into database by temporary
>>>> methods
>>>>
>>>> So I am planning to start coding to replace file system by database on
>>>> my local branch.
>>>>
>>>> Can you please give your views and suggestion regarding the same ? I am
>>>> sure that It will be very helpful to me. :)
>>>>
>>>
>>> What about localization support for strings (like names of DSO) from
>>> those files?
>>>
>>> --
>>> With best regards, Alexander
>>>
>>> _______________________________________________
>>> kde-edu mailing list
>>> kde-edu at mail.kde.org
>>> https://mail.kde.org/mailman/listinfo/kde-edu
>>>
>>>
>>
>>
>> --
>> Life is short, so learn from your mistakes
>> And stand behind, the choices that you make
>>
>> Face each day with both eyes open wide
>> And try to give don't keep it all inside
>>
>>                                                Dream Theater
>>
>>
>> _______________________________________________
>> kde-edu mailing list
>> kde-edu at mail.kde.org
>> https://mail.kde.org/mailman/listinfo/kde-edu
>>
>>
>
> _______________________________________________
> kde-edu mailing list
> kde-edu at mail.kde.org
> https://mail.kde.org/mailman/listinfo/kde-edu
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kde-edu/attachments/20140128/aae0ba0e/attachment-0001.html>