Xml file, non database field etc..

Hi,
There is a requirement for putting a non database field in an
infobus grid control and populating it with some value at the
runtime. As this is not directly available in gridcontrol, many
have tried using a join query as I could see from the
postings.(Like select deptcode,desc from emp, dept where
emp.deptcode = dept.deptcode). This works well when the data is
queried from the database. But when a new deptcode is entered, it
is not possible to get the corrosponding value from the database
and show it on this field, as u get readonly attribute error.
Even if u explicitly change the attribute to updateable the error
will remain as such.
The cause of this problem, I have tracked down to the xml file.
The entity for the updateable table (in this case EMP) does not
have the attribute for deptdesc. If this is manually added, it is
possible to add values to the deptdesc column. The catch is when
inserting a row to the database. All the attributes in the
entity
will appear in the insert statement and u end up with an invalid
column name error for the deptdesc column.
Seeing this consistant behaviour, I assume that the insert
statement is created by parsing the xml file. Had there been an
attribute value in the xml file for insert into database (just
like IsNotNull etc.. perhaps IsUpdateable which can be set
manually), while parsing this attribute can be removed.
To do this I would like to know where this xml parser is
implemented in jdev. Is it possible for me to change its
behaviour or can I expect to get a patch for this? This
functionaliy is very much essential for me, as I am in the middle
of a very large project using jdev2.0. I don't mind implementing
it, if the source is available.
Any helpful suggestions, comments are welcome. Sorry for the long
post and thanks
--Gopal
null

I don't think it will work with a non-db-item. But you could create a separate block based on your image_tb-table, use read_image_file on the then db-based-column and then simpy issue a commit_form.

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    Hi-
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    We looked at PlanningSystemDB.properties, changes server name to its ip, reinstalled planning, made sure both auth methods are selected (sql server and windows), created new relational repository.. still the same error.
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  • "Error retrieving xml file from database"

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  • Product Instance Registration Error: "System Failure: Error while retrieving xml file from database"

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    database field start date when the form is queried.
    When I try to update the form, the update does not
    work - if I remove the post-query trigger then the
    update works but, the month and year non-database
    fields do not get queried.
    Any help will be greatly appreciated.
    Thanks,
    Suzanne

    since those 2 fields are not connected to the database field you need to code the update to the database.
    Use the pre-insert trigger and set the value of the date item according to the values of the 2 fields.

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