Hi Oscar,

Yes that suggestion has worked, thanks very much.

It's somewhat disturbing the results I was seeing never-the-less, that some
results in the list could be replaced, apparently, with others. It was more
than just a case of ordering, which I assumed was being handled by the
database view.

Regards
Steve

Steve

On Fri, Jul 1, 2016 at 9:09 PM, Óscar Bou - GOVERTIS <[email protected]>
wrote:

> Hi Stephen.
>
> HAve you properly implemented the Comparable interface?
> Perhaps you’re inserting on a SortedSet or similar List structure.
>
> If so, some results could potentially be detected as the same of others
> previously inserted on the SortedSet, hence not available.
>
> Cheers,
>
> Oscar
>
>
> El 1 jul 2016, a las 12:44, Stephen Cameron <[email protected]>
> escribió:
>
> The out of order results are actually valid results that exist elsewhere in
> the set of results, so it seems more likely some kind of reference issue.
> Does DN needs a primary key even on views to differentiate between
> entities?
>
> On Fri, Jul 1, 2016 at 6:21 PM, Stephen Cameron <
> [email protected]>
> wrote:
>
> Retricting the result set to only the 13th Jan gives an 'uncorrupted'
> resultset
>
>        List<ActivityParticipantAttendance> attendances =
> repository.allMatches(new QueryDefault(
>                ActivityParticipantAttendance.class,
> "allParticipantActivityForPeriodAndRegion", "startDateTime",
>                new DateTime("2016-01-13"), "endDateTime", new
> DateTime("2016-01-14"), "attended", true, "region", this.regionName));
>
> ArtGroup,2016-01-13T09:30:00.000+11:00,Rozynski,Noella,1933-12-25,240
> ArtGroup,2016-01-13T09:30:00.000+11:00,Huigsloot,Betty,1934-05-07,240
> ArtGroup,2016-01-13T09:30:00.000+11:00,Knight,Tony ,1943-01-09,210
> ArtGroup,2016-01-13T09:30:00.000+11:00,Blackley,Shirley,1937-12-07,240
> ArtGroup,2016-01-13T09:30:00.000+11:00,Wilson,Margaret,1931-04-11,210
> ArtGroup,2016-01-13T09:30:00.000+11:00,Johnson,Tara,1934-02-06,210
> ArtGroup,2016-01-13T09:30:00.000+11:00,Brownlow,Jacqueline,1950-07-22,210
> ArtGroup,2016-01-13T09:30:00.000+11:00,Cracknell,Anne,1936-08-09,210
> ArtGroup,2016-01-13T09:30:00.000+11:00,UNKNOWN113,UNKNOWN,2016-06-24,210
>
> vs
>
> ArtGroup,2016-01-13T09:30:00.000+11:00,Rozynski,Noella,1933-12-25,240
> ArtGroup,2016-01-20T09:30:00.000+11:00,Huigsloot,Betty,1934-05-07,240
> ArtGroup,2016-01-27T09:30:00.000+11:00,Knight,Tony ,1943-01-09,210
> ArtGroup,2016-01-13T09:30:00.000+11:00,Blackley,Shirley,1937-12-07,240
> ArtGroup,2016-01-13T09:30:00.000+11:00,Wilson,Margaret,1931-04-11,210
> ArtGroup,2016-01-13T09:30:00.000+11:00,Johnson,Tara,1934-02-06,210
> ArtGroup,2016-01-27T09:30:00.000+11:00,Brownlow,Jacqueline,1950-07-22,210
> ArtGroup,2016-01-27T09:30:00.000+11:00,Cracknell,Anne,1936-08-09,210
> ArtGroup,2016-01-13T09:30:00.000+11:00,UNKNOWN113,UNKNOWN,2016-06-24,210
>
>
>
> On Fri, Jul 1, 2016 at 4:59 PM, Dan Haywood <[email protected]>
> wrote:
>
> duly corrected.  thanks.
>
> On 1 July 2016 at 07:57, Martin Grigorov <[email protected]> wrote:
>
> Hi Dan,
>
> On Fri, Jul 1, 2016 at 8:19 AM, Dan Haywood <
>
> [email protected]>
>
> wrote:
>
> It's a bit hard to comment on this in isolation; you haven't included
>
> the
>
> mappings of the relevant classes, nor the JDOQL for the query being
> invoked.
>
> Perhaps you could use the logging jdbc driver (see
>
> persistor.properties)
>
> to
>
> grab the SQL being submitted.
>
> Or, if you point at SQL Server (now on all platforms), then its
>
> Profiler
>
>
>
> "now on all platforms" is not correct :-)
> "now" actually means ~2018
> "all platforms" means "Linux", but not OSX, BSD, Solaris. And even Linux
> means just Ubuntu and RHEL
>
> I am interested to see whether they will provide the UI management
>
> tools as
>
> well
>
> will let you grab the SQL from the server side.
>
>
> And finally, you might want to experiment with rewriting the query
>
> either
>
> using DN's own query API or using the type-safe "Q*" queries, and
>
> submit
>
> via IsisJdoSupport#getPersistenceManager().
>
> Meanwhile, if you could provide a test case of some sort and describe
>
> the
>
> exact steps to reproduce the problem, I'll try to take a look over the
>
> next
>
> day or two.
>
> Thx
> Dan
>
> PS: yes, I do agree that ORMs are great except when they aren't.
>
>
>
> On 1 July 2016 at 07:12, Stephen Cameron <[email protected]>
> wrote:
>
> Hi,
>
> I have an ViewModel based on a database view. The view returns an
>
> ordered
>
> set of results, well it does at the database level.
>
> When I execute the same query via Isis and Datanucleus, I am seeing
>
> a
>
> kind
>
> of corruption of the results where a small set of Date values is
>
> different
>
> to what I see in the direct query on the view via MySQL Workbench.
>
> Below is some results from the code version to illustrate the
>
> problem:
>
>
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Geard
> ,Graeme,2016-06-24,540
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Hamilton
> ,Jane,1955-04-03,540
>
>
>
>
>
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Turner,Kathleen,1928-06-10,540
>
>
>
>
>
>
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Taylor,Rebel,1931-12-17,540
>
>
>
>
>
>
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Jacques,Marlene,1943-11-16,540
>
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Healy
> ,Shirley,1936-03-14,540
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Knight,Tony
> ,1943-01-09,540
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Van de
> Vusse,Mathilda,1931-09-14,540
>
>
>
>
>
> StyxValleyReserveFULL/clo,2016-01-11T09:00:00.000+11:00,Johnston,Priscilla,1942-12-16,540
>
>
> ArtGroup,2016-01-13T09:30:00.000+11:00,Rozynski,Noella,1933-12-25,240
>
>
> ArtGroup,2016-01-20T09:30:00.000+11:00,Huigsloot,Betty,1934-05-07,240
>
> ArtGroup,2016-01-27T09:30:00.000+11:00,Knight,Tony ,1943-01-09,210
>
> ArtGroup,2016-01-13T09:30:00.000+11:00,Blackley,Shirley,1937-12-07,240
>
>
> ArtGroup,2016-01-13T09:30:00.000+11:00,Wilson,Margaret,1931-04-11,210
>
> ArtGroup,2016-01-13T09:30:00.000+11:00,Johnson,Tara,1934-02-06,210
>
>
> ArtGroup,2016-01-27T09:30:00.000+11:00,Brownlow,Jacqueline,1950-07-22,210
>
> ArtGroup,2016-01-27T09:30:00.000+11:00,Cracknell,Anne,1936-08-09,210
>
> ArtGroup,2016-01-13T09:30:00.000+11:00,UNKNOWN113,UNKNOWN,2016-06-24,210
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Houlgrave
> ,Keryl,1945-10-02,480
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Butler,Steve,1957-04-06,480
>
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Smith,Joyce,1926-07-26,480
>
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Wagner,Lorelies,1937-11-12,480
>
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Sargent,Merle,1935-10-12,480
>
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Morice,Ann,1940-04-10,480
>
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Evans,Jean,1927-12-22,480
>
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Klein,Helga,1938-09-05,480
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Klein,Bill
> (Helmut),1938-08-25,480
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Scheepers,Froukje,1934-05-22,480
>
>
>
>
>
>
> SouthArmPeninsulaBusTripF,2016-01-14T09:00:00.000+11:00,Brown,Derek,1936-04-01,480
>
>
> The same set of results via query
>
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Geard Graeme
>
> 2016-06-24
>
> 540
>
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Hamilton Jane
>
> 1955-04-03
>
> 540
>
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Turner Kathleen
>
> 1928-06-10
>
> 540
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Taylor Rebel
>
> 1931-12-17
>
> 540
>
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Jacques Marlene
>
> 1943-11-16
>
> 540
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Healy Shirley
>
> 1936-03-14
>
> 540
>
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Knight Tony 1943-01-09
>
> 540
>
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Van de Vusse Mathilda
> 1931-09-14 540
> StyxValleyReserveFULL/clo 2016-01-11 09:00:00 Johnston Priscilla
>
> 1942-12-16
>
> 540
> ArtGroup 2016-01-13 09:30:00 Rozynski Noella 1933-12-25 240
> ArtGroup 2016-01-13 09:30:00 Huigsloot Betty 1934-05-07 240
> ArtGroup 2016-01-13 09:30:00 Knight Tony 1943-01-09 210
> ArtGroup 2016-01-13 09:30:00 Blackley Shirley 1937-12-07 240
> ArtGroup 2016-01-13 09:30:00 Wilson Margaret 1931-04-11 210
> ArtGroup 2016-01-13 09:30:00 Johnson Tara 1934-02-06 210
> ArtGroup 2016-01-13 09:30:00 Brownlow Jacqueline 1950-07-22 210
> ArtGroup 2016-01-13 09:30:00 Cracknell Anne 1936-08-09 210
> ArtGroup 2016-01-13 09:30:00 UNKNOWN113 UNKNOWN 2016-06-24 210
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Houlgrave Keryl
>
> 1945-10-02
>
> 480
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Butler Steve
>
> 1957-04-06
>
> 480
>
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Smith Joyce 1926-07-26
>
> 480
>
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Wagner Lorelies
>
> 1937-11-12
>
> 480
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Sargent Merle
>
> 1935-10-12
>
> 480
>
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Morice Ann 1940-04-10
>
> 480
>
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Evans Jean 1927-12-22
>
> 480
>
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Klein Helga 1938-09-05
>
> 480
>
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Klein Bill (Helmut)
> 1938-08-25
> 480
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Scheepers Froukje
>
> 1934-05-22
>
> 480
> SouthArmPeninsulaBusTripF 2016-01-14 09:00:00 Brown Derek 1936-04-01
>
> 480
>
> As you can see, the dates (second column) for the ArtGroup are
>
> sometimes
>
> wrong.
>
> This is the only date column in the view so I cannot have picked the
>
> wrong
>
> one!
>
> The code that generates the results is as follows:
>
>        List<ActivityParticipantAttendance> attendances =
> repository.allMatches(new QueryDefault(
>                ActivityParticipantAttendance.class,
> "allParticipantActivityForPeriodAndRegion", "startDateTime",
>                this.startDateTime, "endDateTime", this.endDateTime,
> "attended", true, "region", this.regionName));
>        for (ActivityParticipantAttendance attend : attendances) {
>
>
>
>
>
>
> System.out.print(attend.getActivityAbbreviatedName()+","+attend.getStartDateTime()+",");
>
> System.out.print(attend.getSurname()+ "," +
>
> attend.getFirstName()+"," +
>
> attend.getBirthDate()+",");
> System.out.println(attend.getMinutesAttended());
>
> ...
>
> }
>
> This is kind of bizarre you will agree.
>
> The joys of ORM continue.
>
> Having puzzled  at this for most of today, any insights, or
>
> commiseration,
>
> welcomed.
>
> Steve
>
>
>
>
>
>
>
>
> Óscar Bou Bou
> Socio - IT & GRC Management Services Director
> m: +34 620 267 520
> s:  <http://www.govertis.com>www.govertis.com e: [email protected]
>
> LinkedIn: https://www.linkedin.com/in/oscarbou
> Twitter:  @oscarbou <https://twitter.com/oscarbou>
>
>
>
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