Re: [libreoffice-users] LO Base Views and Queries

2022-08-11 Thread Harvey Nimmo
Hi Robert,

I cannot confirm the Firebird icon. My database backend is MySQL(JDBC),
(actually Mariadb). I prefer to continue for the time being with the
OpenSUSE packages delivered with my Linux Leap 15.4. 

Cheers
Harvey


On Thu, 2022-08-11 at 18:06 +0200, Robert Großkopf wrote:
> Hi Harvey,
> 
> LO won't be installed without internal HSQLDB. But with that behavior
> you reported you are using internal Firebird. Will be shown at the 
> bottom of the window in statusbar.
> 
> You are using packages from your distribution, not from LO directly. 
> Have tested the same version you are using, only from LO directly:
> Version: 7.3.4.2 / LibreOffice Community
> Build ID: 728fec16bd5f605073805c3c9e7c4212a0120dc5
> CPU threads: 6; OS: Linux 5.3; UI render: default; VCL: kf5
> (cairo+xcb)
> Locale: de-DE (de_DE.UTF-8); UI: de-DE
> Calc: threaded
> 
> If I choose to edit views they will be opened in this version with
> the 
> query editor.
> 
> Regards
> 
> Robert
> --
> Homepage: https://www.familiegrosskopf.de/robert
> 


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Re: [libreoffice-users] LO Base Views and Queries

2022-08-11 Thread Robert Großkopf

Hi Harvey,

LO won't be installed without internal HSQLDB. But with that behavior 
you reported you are using internal Firebird. Will be shown at the 
bottom of the window in statusbar.


You are using packages from your distribution, not from LO directly. 
Have tested the same version you are using, only from LO directly:

Version: 7.3.4.2 / LibreOffice Community
Build ID: 728fec16bd5f605073805c3c9e7c4212a0120dc5
CPU threads: 6; OS: Linux 5.3; UI render: default; VCL: kf5 (cairo+xcb)
Locale: de-DE (de_DE.UTF-8); UI: de-DE
Calc: threaded

If I choose to edit views they will be opened in this version with the 
query editor.


Regards

Robert
--
Homepage: https://www.familiegrosskopf.de/robert

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Re: [libreoffice-users] LO Base Views and Queries

2022-08-11 Thread Harvey Nimmo
Hi Robert,

Thanks, so far...;-) I understand that a View would be more efficient
in execution than the equivalent query. And this seems to be more or
less the practical extent of justification for view over query.

My version:
Version: 7.3.4.2 / LibreOffice Community
Build ID: 30(Build:2)
CPU threads: 2; OS: Linux 5.14; UI render: default; VCL: gtk3
Locale: en-GB (en_GB.UTF-8); UI: en-GB
Calc: threaded

How do I identify the internal db used? Firebird (version 3.0.4.33045-
1.7) is installed in my configuration, HSQLDB is not.

I think I understand your tip to mean that i should use queries until
they are 'final' and then create views as appropriate.

Cheers
Harvey


On Thu, 2022-08-11 at 16:38 +0200, Robert Großkopf wrote:
> Hi Harvey,
> 
> > I'm unsure of the practical implications of the difference between
> > Base
> > implementation of Views and Queries. Perhaps someone can enlighten
> > me.
> > One thing, however, does hit me.
> 
> Views will be executed in the database. The content will look for
> Base 
> like a non-writable table. You could filter data, sort data and use
> this 
> views for repprts, but you couldn't update, add or delete data.
> 
> Database won#t know anything about queries in the queries pane.
> Queries 
> will send from tBase to the database. So queries will be a little bit
> slower. But queries could be used for input, update or delete data,
> if 
> all primary keys of the included tables were available.
> > 
> > Initial design of a View with the GUI, is done similar to a Query,
> > which is OK. However, when the View is stored, then further
> > development
> > of that View seems very limited if not impossible, as the Table-
> > type
> > GUI is opened on Edit.
> 
> Which version pf LO and which (internal) database do you use? This
> bug 
> (opening table editor, not query editor) has been solved for internal
> Firebird database some times ago. In LO 7.4.0.2 the query editor will
> appear.
> 
> One hint: I will save all views separately as queries. It is because
> a 
> view could depend on another view. So I couldn't chang the view I
> first 
> created, if another view needs data of this view. I have to delete
> other 
> views depending on this view and have to recreate them afterwards.
> 
> Regards
> 
> Robert
> -- 
> Homepage: https://www.familiegrosskopf.de/robert
> 


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Re: [libreoffice-users] LO Base Views and Queries

2022-08-11 Thread Robert Großkopf

Hi Harvey,


I'm unsure of the practical implications of the difference between Base
implementation of Views and Queries. Perhaps someone can enlighten me.
One thing, however, does hit me.


Views will be executed in the database. The content will look for Base 
like a non-writable table. You could filter data, sort data and use this 
views for repprts, but you couldn't update, add or delete data.


Database won#t know anything about queries in the queries pane. Queries 
will send from tBase to the database. So queries will be a little bit 
slower. But queries could be used for input, update or delete data, if 
all primary keys of the included tables were available.


Initial design of a View with the GUI, is done similar to a Query,
which is OK. However, when the View is stored, then further development
of that View seems very limited if not impossible, as the Table-type
GUI is opened on Edit.


Which version pf LO and which (internal) database do you use? This bug 
(opening table editor, not query editor) has been solved for internal 
Firebird database some times ago. In LO 7.4.0.2 the query editor will 
appear.


One hint: I will save all views separately as queries. It is because a 
view could depend on another view. So I couldn't chang the view I first 
created, if another view needs data of this view. I have to delete other 
views depending on this view and have to recreate them afterwards.


Regards

Robert
--
Homepage: https://www.familiegrosskopf.de/robert

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[libreoffice-users] LO Base Views and Queries

2022-08-11 Thread Harvey Nimmo
I'm unsure of the practical implications of the difference between Base
implementation of Views and Queries. Perhaps someone can enlighten me.
One thing, however, does hit me.

Initial design of a View with the GUI, is done similar to a Query,
which is OK. However, when the View is stored, then further development
of that View seems very limited if not impossible, as the Table-type
GUI is opened on Edit.

Is there a way to return to the Query-type feature to continue
modifying the View design once the View has been stored and closed?



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