Re: 3.0M4 : Fetching from relationship returns TRANSIENT objects.

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Thu Sep 25 2008 - 03:57:20 EDT

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    Hi Laurent,

    sorry didn't have time to look at this yet. Yes, please open a Jira
    with these details. We'll try to get to it.

    Thanks,
    Andrus

    On Sep 24, 2008, at 12:00 PM, Laurent Marchal wrote:

    > Hello Andrus,
    >
    > Have you some time to look at this problem, i think it's a bug. I
    > can file a bug if you want.
    >
    > Thanks.
    >
    > Laurent.
    >
    > Laurent Marchal wrote:
    >> Hi Andrus,
    >>
    >> I post on the mailing list with a new mail adress, because my
    >> provider sucks....
    >> I will try to detail more what i do, so you can reproduce this in
    >> your test case. Maybe i'ts because you don't have prefetching or
    >> "to dep PK".
    >>
    >> There is a relationship between MasterJob--->MasterJobAux where i
    >> checked "To Dep PK" since no ARTIST_AUX rows can exists without
    >> corresponding MasterJob.
    >>
    >> When i fetch a MasterJob i have added a prefetch for MasterJobAux :
    >>
    >> query.addPrefetch(MasterJob.RELATED_MASTER_JOB_AUX_PROPERTY);
    >> Code I use to get/create/delete MasterJobAux
    >> protected MasterJobAux createAux(ILookupFieldCodes fieldCode,
    >> Short seqNo, String value) {
    >> MasterJobAux aux =
    >> MasterJob.this.getObjectContext().newObject(MasterJobAux.class);
    >> aux.setScheduleId(MasterJob.this.getScheduleId());
    >> aux.setJobName(MasterJob.this.getJobName());
    >>
    >> aux.setJaFieldCode((int) fieldCode.getID());
    >> aux.setJaSequenceNumber(seqNo);
    >> aux.setJavalue(value);
    >> aux.setRelatedMasterJob(MasterJob.this);
    >>
    >> return aux;
    >> }
    >>
    >> protected List<MasterJobAux> fetchAuxList() throws OpconException {
    >> return MasterJob.this.getRelatedMasterJobAux();
    >> }
    >>
    >> protected void deleteAux(MasterJobAux toDelete) throws
    >> OpconException {
    >> MasterJob.this.removeFromRelatedMasterJobAux(toDelete);
    >> MasterJob.this.getObjectContext().deleteObject(toDelete);
    >> }
    >> Cayenne XML :
    >> <obj-entity name="MasterJob"
    >> className="com.sma.core.api.master.MasterJob"
    >> dbEntityName="JMASTER"
    >> superClassName="com.sma.core.api.DataAccessObject">
    >> <obj-attribute name="accessCodeId" type="java.lang.Short" db-
    >> attribute-path="ACCESSCDID"/>
    >> <obj-attribute name="altenateMachine1Id" type="java.lang.Short"
    >> db-attribute-path="ALTMACH1ID"/>
    >> <obj-attribute name="altenateMachine2Id" type="java.lang.Short"
    >> db-attribute-path="ALTMACH2ID"/>
    >> <obj-attribute name="altenateMachine3Id" type="java.lang.Short"
    >> db-attribute-path="ALTMACH3ID"/>
    >> <obj-attribute name="deptartmentId" type="java.lang.Short" db-
    >> attribute-path="DEPTID"/>
    >> <obj-attribute name="estimatedRuntime" type="java.lang.Integer"
    >> db-attribute-path="ESTRUNTIME"/>
    >> <obj-attribute name="jobGroupId" type="java.lang.Short" db-
    >> attribute-path="JOBGROUPID"/>
    >> <obj-attribute name="jobName" type="java.lang.String" db-
    >> attribute-path="JOBNAME"/>
    >> <obj-attribute name="jobTypeId" type="java.lang.Short" db-
    >> attribute-path="JOBTYPE"/>
    >> <obj-attribute name="machineGroupId" type="java.lang.Short" db-
    >> attribute-path="MACHGRPID"/>
    >> <obj-attribute name="primaryMachineId" type="java.lang.Short" db-
    >> attribute-path="PRIMMACHID"/>
    >> <obj-attribute name="scheduleId" type="java.lang.Integer" db-
    >> attribute-path="SKDID"/>
    >> <obj-attribute name="shortName" type="java.lang.String" db-
    >> attribute-path="SHORTNAME"/>
    >> </obj-entity>
    >> <obj-entity name="MasterJobAux"
    >> className="com.sma.core.api.auxs.MasterJobAux"
    >> dbEntityName="JMASTER_AUX"
    >> superClassName="com.sma.core.api.DataAccessObject">
    >> <obj-attribute name="jaFieldCode" type="java.lang.Integer" db-
    >> attribute-path="JAFC"/>
    >> <obj-attribute name="jaSequenceNumber" type="java.lang.Short" db-
    >> attribute-path="JASEQNO"/>
    >> <obj-attribute name="javalue" type="java.lang.String" db-
    >> attribute-path="JAVALUE"/>
    >> <obj-attribute name="jobName" type="java.lang.String" db-
    >> attribute-path="JOBNAME"/>
    >> <obj-attribute name="scheduleId" type="java.lang.Integer" db-
    >> attribute-path="SKDID"/>
    >> </obj-entity>
    >>
    >>
    >> <db-relationship name="toMasterJobAux" source="JMASTER"
    >> target="JMASTER_AUX" toDependentPK="true" toMany="true">
    >> <db-attribute-pair source="SKDID" target="SKDID"/>
    >> <db-attribute-pair source="JOBNAME" target="JOBNAME"/>
    >> </db-relationship>
    >>
    >> <obj-relationship name="relatedMasterJobAux" source="MasterJob"
    >> target="MasterJobAux" db-relationship-path="toMasterJobAux"/>
    >>
    >>
    >> To reproduce the problem :
    >> 1) Fetch MasterJobAux using the relationships
    >> MasterJob.getRelatedMasterJobAux();
    >>
    >> 2) delete/create some MasterJobAux
    >> MasterJob.removeFromRelatedMasterJobAux(toDelete);
    >> MasterJob.getObjectContext().deleteObject(toDelete);
    >> 3) Rollback
    >>
    >> 4) re-Fetch MasterJobAux using the relationships
    >> MasterJob.getRelatedMasterJobAux();
    >>
    >> I get TRANSIENT objects, you can look a the SQL log attached where
    >> there is some others details.
    >>
    >>
    >> Thanks.
    >>
    >> Laurent marchal.
    >>
    >>> Hi,
    >>>
    >>> Sorry, you posted this earlier and looks like nobody replied yet.
    >>>
    >>> So my question is : is this normal to get *TRANSIENT* objects from
    >>> a relationship after a rollback ?
    >>>
    >>> No, it is not normal. I just created a test case to reproduce it
    >>> and things seem to be working ok:
    >>>
    >>> PaintingInfo info = ctxt.newObject(PaintingInfo.class);
    >>> info.setTextReview("XXX"); p1.setToPaintingInfo(info);
    >>>
    >>> assertSame(info, p1.getToPaintingInfo()); ctxt.rollbackChanges();
    >>> assertNull(p1.getToPaintingInfo());
    >>>
    >>> Does it look like the scenario that you have, or am I missing
    >>> something?
    >>>
    >>> Thanks, Andrus
    >>>
    >>> On Sep 15, 2008, at 12:22 PM, Laurent Marchal wrote:
    >>>
    >>> Hello again !
    >>>
    >>> I have a strange thing happening in Cayenne 3.0M4 : I have two
    >>> tables ARTIST and ARTIST_AUX where extended artist's properties
    >>> are stored.
    >>>
    >>> There is a relationship between ARTIST--->ARTIST_AUX where i
    >>> checked "To Dep PK" since no ARTIST_AUX rows can exists without
    >>> corresponding ARTIST.
    >>>
    >>> I have also a addPrefetch(ARTIST_AUX) when i retrieve ARTISTs.
    >>>
    >>> In my "artist editor" I create ARTIST_AUX rows at need and when an
    >>> error occurs i do a rollback(). The strange thing is that when i
    >>> refetch ARTISTS_AUX with the relationship, instead of getting only
    >>> existing ARTISTS_AUX, i get also the ARTISTS_AUX created before
    >>> the rollback() with the *TRANSIENT* state and no ObjectContext
    >>> associated.
    >>>
    >>> So my question is : is this normal to get *TRANSIENT* objects from
    >>> a relationship after a rollback ?
    >>>
    >>> Thanks Laurent Marchal.
    >>>



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