as expected - roles in 'Admin' group will be
returned. This is because DB query with double-joined Group table selects
record with self-joined 'Active' group name.
So question is simple - is there any way to do such queries?
Thanks,
Victor.
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On 25/08/10 12:57 AM, Victor Antonovich wrote:
Hello!
24.08.2010 16:05, Aristedes Maniatis wrote:
You need to create an outer join.
http://cayenne.apache.org/doc/path-expressions.html
Thanks for the response. AFAIR outer join can widen query results, but I need
to narrow them excluding
Naturally you'd add to your Attribute table all sorts of validation
definitions. You might want to restrict values to be numerical (but you are
still storing them in the db as blob or string). Or restrict the entry length.
Cheers
Ari
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with it.
Ari
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records have been
completely retrieved and the others just the IDs.
Records after the first 10 will have a status of hollow.
Ari
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Aristedes Maniatis
ish
http://www.ish.com.au
Level 1, 30 Wilson Street Newtown 2042 Australia
phone +61 2 9550 5001 fax +61 2 9550 4001
GPG
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
'shared' context for displaying data. Developers from a WO background will be
familiar with this approach. Cayenne doesn't have a special shared context, but
you can use it that way if you like.
Ari
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Aristedes Maniatis
ish
http://www.ish.com.au
Level 1, 30 Wilson Street
through to your
import/export process.
Cheers
Ari
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
mean that you are required
to save it to the database. You can throw away the context or remove it from
the context before committing. You code can do anything it like with that
object in terms of validating it before you decide to commit.
Ari
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YourKit to the running application: that also lets you
get a thread dump at any time. And Andrus mentioned subclassing
DriverDataSourceFactory earlier.
Ari
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
to create.
Regards
Ari
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
On 7/05/10 11:13 AM, gyhe wrote:
By the way, what will be the major changes in the next version?
Too early to say. But improvements to the configuration injection are well
underway.
Ari
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the mysterious open source users with a
DVCS who each hold one part of the puzzle until finally he can piece together
his identity...
Ari
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
On 20/04/10 9:22 AM, timk519 wrote:
On Mon, Apr 19, 2010 at 7:13 PM, Aristedes Maniatis [via Cayenne]
ml-node+731010-1607425418-237...@n3.nabble.com wrote:
On 20/04/10 2:04 AM, timk519 wrote:
I was in the same boat - what's happened is the web page uses a SCRIPT
type=syntaxhighlighter
the list.
I'm not sure if this also happens when you fetch raw rows, since I've never
used that Cayenne functionality.
Ari
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ish
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Level 1, 30 Wilson Street Newtown 2042 Australia
phone +61 2 9550 5001 fax +61 2 9550 4001
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of when that was done.
i use sqlserver2005 and cayenne 3.01M1...
You definitely want to run the latest release candidate and not an early
milestone.
Ari Maniatis
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.
Ari Maniatis
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with caches, etc
Is there a reason you aren't using inheritance from Cayenne itself? For
horizontal and single-table inheritance that works very nicely.
Ari
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of
Cayenne 2.x and earlier are recommended to upgrade their development
environments and perform testing to ensure your application can be upgraded
smoothly.
http://cayenne.apache.org/download.html
Best regards from the Cayenne development team.
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Aristedes Maniatis
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Aristedes Maniatis
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-td14852.html
ThanksNishant
Your Mail works best with the New Yahoo Optimized IE8. Get it NOW!
http://downloads.yahoo.com/in/internetexplorer/
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On 1/02/10 7:30 PM, Aristedes Maniatis wrote:
That task is just about optimising the use of indexes for searching case
insensitive. Just use Cayenne's normal case insensitive flag on the
query and it will work fine. Just not use any index.
Just ignore me. I misread your question, sorry.
Ari
to carry the extra information about aliases.
Ari
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created with matchAll
with another expression with an overlapping path?
Ari
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
(|paintings.gallery.name, foo);
Then you could even define an expression
Expression e1 = Expression.fromString(|paintings.gallery.name = foo and
|paintings.gallery.name = bar)
Is this making some forward progress?
Ari
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
On 6/01/10 8:18 PM, Malcolm Edgar wrote:
Great news guys, thanks for all the hard work. Will there be any publicity
push or will this wait for 3.0 final?
The final release
Ari
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://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=truepid=12310903status=1status=3status=4fixfor=-1version=-3sorter/field=issuekeysorter/order=DESC
Ari Maniatis
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is
called even when a query is in the cache.
tx
Hans
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on
the banking industry.
Right now Evgeny is working on improving Cayenne's ability to work with
specific Oracle features.
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
The Cayenne team would like to congratulate Olga (Ольга Ткачева) on her
appointment as a committer. As recognition for her ongoing contributions over
the last year, this status allows Olga to make changes to the source control
repository of Cayenne directly.
Although Olga works under the
for that matter) is not the
best way to batch process that many rows.
Ari
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
team.
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
On 22/10/09 5:33 PM, Mark Fraser wrote:
What is the delay with declaring 3.x stable?
There is discussion about getting beta 1 out the door in a matter of days. Or a
week. But very soon :-)
Ari
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simpler (or faster).
* whatever you do, you cannot have two database engines (standalone or
embedded) using the same files on disk. I'd guess that holds true for any
database in existence today.
Ari
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component mainly because it is the wrong approach for code like this.
Ari Maniatis
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
be fairly sure it will still work once you have edited it by hand.
Ari
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
structure built
using a single query, maybe due to memory issues?
Do you have paging switched on? What action in your code causes the second
query to be executed? Are the objects it is fetching at that time hollow?
Ari Maniatis
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On 25/09/09 5:37 AM, Lawrence Gerstley wrote:
Also, just an FYI: the Wiki link on the home page seems to be quite dead.
I've been trying to fix it, but something in the Confluence exporter is just
breaking it every time. Argh...
Ari
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is small, medium, or large.
What do you recommend?
Joe
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
.
Regards
Ari
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
in the JIRA?
Cheers,
Borut
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-and-fresh-data.html
Ari Maniatis
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
indexing.
Ari
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
thing for you. That is normally done when the join table has no
information you care about, but in this case 'subscriptions' is a table with
other data you need to access.
Ari Maniatis
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GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E
don't need a PK generation strategy since, as the page you reference
states, you just need to put data in the PK field before you commit the object.
It is up to you to ensure that it is unique, deal with threading and collisions.
Ari Maniatis
--
Aristedes Maniatis
GPG
that approach while you are learning Cayenne. Instead, just perform the
query to return full objects. The whole point of Cayenne is so that you can
stop worrying about columns and start thinking in terms of Java objects.
Ari Maniatis
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Aristedes Maniatis
GPG fingerprint CBFB
optimisation which precludes a lot of useful
functionality.
Ari Maniatis
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Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
/browse/CAY-1090
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Aristedes Maniatis
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On 8/08/09 6:51 AM, Tore Halset wrote:
Take a look at the examples: (the formatting of the code-examples look
strange..)
Hmmm... yes. This would be the Confluence upgrade. I'll see if I can fix that
this weekend.
Ari
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On 24/07/09 1:15 PM, Dave Lamy wrote:
Should the preUpdate callback event get fired for both new and existing
objects?
The behavior I'm seeing (3.0M5) is that preUpdate is not getting called when
saving my new object, but does get called when saving an existing object.
prePersist is not the
The Travel Assistance Committee is taking in applications for those wanting
to attend ApacheCon US 2009 (Oakland) which takes place between the 2nd and
6th November 2009.
The Travel Assistance Committee is looking for people who would like to be
able to attend ApacheCon US 2009 who may need some
On 20/07/09 5:18 AM, Karen Harper wrote:
I want to monitor for ADD, DELETE, and MODIFY events in a specific table
in my database which will be driven by another application. I have not
come up with a straightforward way to do this through searching the
docs. Is there a way to set TRIGGERS in the
On 18/07/09 5:37 AM, sridhar devatha wrote:
Hi ,
I am using cayenne 2.
I want to update an employee object. This object is related to employee
table in the db.
I generated this data object(along with it's super class) and table query
using modeler.
I am able to write insert, delete and select
On 18/07/09 1:39 PM, sridhar devatha wrote:
Thank you for the reply. sorry. ignore the line of code for local object.
Assume employeeDBProto is the object to be saved. It has the modified data.
Do I need to write the entire update query to update and populate the data
from the proto object into
On 18/6/09 7:51 AM, Michael Shea wrote:
It looks to me like Cayenne is attempting to insert the new row before
deleting the old one; I notice that in DataNode.performQueries, the
collection of queries contains 3 queries: An InsertBatchQuery, an
UpdateBatchQuery and a DeleteBatchQuery. Looks like
On 14/6/09 12:58 AM, Joe Baldwin wrote:
When Andrus said that he thought that log4j was an abandoned project, I
became hesitant about relying on it as a stable component for the future.)
I would certainly recommend log4j. It is easy to use and completely robust. It
may not have been updated
On 12/6/09 12:13 AM, Jason Ward wrote:
log4j.logger.org.objectstyle.cayenne = OFF
log4j.logger.org.objectstyle.cayenne.access.QueryLogger = OFF
log4j.logger.org.objectstyle.cayenne.conf = OFF
log4j.logger.org.objectstyle.cayenne.util = OFF
Note that the packaging changed from org.objectstyle
Another release on the journey to Cayenne 3.0! This milestone adds a
plethora of new features including quoting of identifiers (useful for
db column names with spaces), nested contexts in ROP, and EJBQL/
SQLTemplate/ProcedureQuery queries now support the full range of
configuration options
On 04/05/2009, at 8:33 PM, Andrus Adamchik wrote:
I tried to stay away from the implementation details and give a user
perspective instead. If there is still a feeling that the docs are
lacking in this area, please share your thoughts. I will try to
address any reasonable suggestions.
On 04/05/2009, at 8:33 PM, Andrus Adamchik wrote:
I tried to stay away from the implementation details and give a user
perspective instead. If there is still a feeling that the docs are
lacking in this area, please share your thoughts. I will try to
address any reasonable suggestions.
I
On 26/04/2009, at 7:22 AM, Peter Karich wrote:
finally I got the mavenized tutorial in the subversion working.
So, again step by step:
This is very helpful. If you have the time, perhaps you could create a
Jira task with this content. Ideally attach the changes as a diff,
but even if
On 24/04/2009, at 7:00 PM, Marco Gattei wrote:
Hi everyone,
a newbie question Is fetchOffset supported on Sybase ?
i did some test with cayennne 3 with SelectQuery and fetch offset
and running code like this:
SelectQuery query = new SelectQuery(MyClass.class,
On 23/04/2009, at 12:53 AM, Joseph Schmidt wrote:
Of course I demonstrated. The snippet in the parent just works with
MySQL (with InnoDB of course).
There's no need for a last_insert_id(), since the PK are
autoincrement. Inside the same transaction, the consequent selects
will simply pick
On 22/04/2009, at 6:40 AM, Ylan Segal wrote:
In a web app where each session has a DataContext, do I need to
worry about data caching in different DataContexts?
I'd like to add just one further point. It is a common design pattern
to create one read-only 'shared' context which is used to
On 13/04/2009, at 10:42 AM, Paul Logasa Bogen II wrote:
I have a table with ~683k entries in it. I have a maintenance task
that requires me to hit every entry. Since I know the results are
much too big to return all at once, I've set the page size to 50.
However, Cayenne appears to be
On 09/04/2009, at 1:18 PM, Weddle, Anthony wrote:
We occasionally make database schema changes. We also modify some of
the
attributes of ObjEntity entries. It looks like a reverse engineering
run
would ignore any changes to ObjEntity entries. Is there any way to
have
changes merged?
On 08/04/2009, at 8:26 AM, Joseph Schmidt wrote:
Can't get primary key from temporary id
while trying to access the 'id' of a newly created object entity A.
I need this 'id' to write the value together with some other fields
in some other object entity B inside the same
On 08/04/2009, at 11:03 AM, Joseph Schmidt wrote:
* write the record to database, fetch it back again and
then you'll have the primary key
Than this is not the same transaction :(.
Correct. This is a limitation of how databases work, not Cayenne. You
can't have a primary key until you
On 02/04/2009, at 6:15 AM, Joseph Schmidt wrote:
http://cayenne.apache.org/doc/jar-files-and-dependencies.html
describes some of them but not all :(.
What about?:
asm-3.0.jar
asm-commons-3.0.jar
geronimo-jpa_3.0_spec-1.0.jar ?
Are they required when using a pure cayenne server, i.e. no JPA?
On 29/03/2009, at 4:28 AM, Joseph Schmidt wrote:
Is it possible for Cayenne(and the Modeler) to map conditional
relationships?
I have a table, e.g. tag that relates to too many other tables,
but one row is always related only to one table. This is done by
having
instead of many
On 31/03/2009, at 10:26 PM, Joseph Schmidt wrote:
This would sound cool to me too, but from the Cayenne documentation
example, this approach seems to have the problem that Java has
single inheritance :(.
If there's only one such table than it would work (single
inheritance).
E.g. In the
On 22/03/2009, at 6:18 AM, Joseph Schmidt wrote:
How to model/map files (with their content) e.g. in webapplications?
What is the best practice?
(1) To put their content as blob fully in the DB plus fields for
properties,
or
(2) to put the metadata about files only in the DB and the content
On 22/03/2009, at 9:41 AM, Joseph Schmidt wrote:
I mean that in the case of a file system based approach, where the
metadata is in the database, the operations on files are not guarded
by transactions, nor can they be process in the same Cayenne
transaction like on the metadata of those
On 20/03/2009, at 10:07 AM, h...@welinux.cl wrote:
Hi,
We have a legacy table that have a meaningful primary key, many code
depends on it and it's not possible to alter it.
We are building new java applications that need to insert in it.
We would like to cayenne it and not use any
On 13/03/2009, at 5:12 AM, Francisco Peredo wrote:
As I stated before, I really think someone should build a Cayenne
like API
that used any JPA compliant as its internal storage engine, JPA is
just too
low level
That doesn't really make sense because JPA is a description of an
On 02/03/2009, at 5:38 AM, Dave Lamy wrote:
What pitfalls/concerns would you voice regarding a completely
programmatic
Configuration/DataMap buildup? The plan is for the entire cayenne
model,
data nodes and all, to be built up in code during system init (hot
model
deploys are for
On 13/02/2009, at 3:30 PM, Tarik Cherkovi wrote:
Hi,I just had a strange behavior from ROP and maybe missing
something basic.
I have multiple clients connecting to the same server, and when one
of them
performs a commit, the changes are not visible to the other
client(s). Is
there a way
On 13/02/2009, at 4:43 PM, Tarik Cherkovi wrote:
How are people getting around it if at all?Building
event propagation on the server would be great, but as you say, it's
non
trivial. So in the meantime, I would need to find another solution
(other
than rewriting my entire swing gui in
On 09/02/2009, at 9:12 PM, puschteblume wrote:
Hello, this is my first experience with Cayenne. I started to try it
with an existing FileMaker database. Generally it looks fine. But in
the
existing FileMaker database there are attributes from tables where the
field names contains blanks.
Except that credit cards are not a good example here. Speak to your
gateway provider, but here in Australia they all let you run
transactions against the same credit card *without storing the card
number/expiry date/cvv*. Instead you store the previous transaction
reference and you can use
On 06/02/2009, at 9:36 AM, Joe Baldwin wrote:
What design (or pattern) is best for fields that are to be encrypted?
MySQL has quite a few simple functions that can be used to encrypt
data. However, when using Cayenne to fetch the data I have not
found a simple solution.
I think the
On 13/01/2009, at 7:03 PM, Andrus Adamchik wrote:
Another thing is that the http://cayenne.apache.org/doc/nested-datacontexts.html
states that nested contexts are not available in ROP, is that still?
Andrey has been working on the ROP version of nested contexts. I
think it is (partially?)
On 13/01/2009, at 11:09 PM, Andrus Adamchik wrote:
On Jan 13, 2009, at 1:26 PM, Aristedes Maniatis wrote:
I think it is a bug, and relating objects should be allowed
between parent/child contexts.
Not so. Parent/child relationship determines the path of the
select and commit
On 17/11/2008, at 3:04 AM, Andrus Adamchik wrote:
We test things on Vista and see what we can do to make the exe work
I notice that maven-japplication-plugin has been updated a few times
in the last few months and our maven target doesn't specify a release
version number. Has the problem
On 08/10/2008, at 9:26 PM, Demetrios Kyriakis wrote:
I wanted to use DataViewes too because it looks much closer to what
I need (from a Swing perspective), but it doesn't look to work with
the ROP transport style (or maybe I don't get the big picture of
how to make it work).
Dataviews
On 08/10/2008, at 3:59 AM, Demetrios Kyriakis wrote:
Are there any ROP based projects that could be used as example?
I mean some non-trivial examples (not like those from the SVN)
I have a non-trivial ROP client/server desktop application. But
unfortunately the source is not available at
On 12/09/2008, at 5:50 PM, Øyvind Harboe wrote:
I've got an obscure bug in our app that is caused by a stack
overflow with Derby.
The problem is that 'OR' is implemented recursively inside Derby, so
when using ExpressionFactoyr.inExp() w/a *long* list, the stack
overflows.
Can this be
On 04/09/2008, at 3:43 AM, Joe Baldwin wrote:
Lets say that I might want to filter my result set by eliminating
certain entries. What is the recommended (i.e. best practice)
method of filtering the result set so that you can produce a Java
List that is a subset of the original result
On 04/09/2008, at 4:26 AM, Joe Baldwin wrote:
do you know if result sets can be combined?
They are simply Java Collections. Combine them as you would any
regular list. Nothing special you need to do.
Ari
--
ish
http://www.ish.com.au
Level 1, 30 Wilson Street
On 28/08/2008, at 1:38 AM, Scott Anderson wrote:
For something as cool and impressive as the DbGenerator is, I think it
deserves a priority higher than someday :)
Please remember that Cayenne is a volunteer project. If this feature
is of great importance to you I encourage you to submit
On 21/08/2008, at 3:54 AM, Andrus Adamchik wrote:
If we are to bring this to Cayenne as a feature, I am very much in
favor of an generic solution with the ability to define arbitrary
metadata in the model. It has been mentioned in this thread already
that this is a very popular request,
On 17/08/2008, at 7:38 PM, John Armstrong wrote:
public $classGen.formatJavaType(${attr.Type}) getId() {
Object value = readProperty(id);
return (value != null) ? (Integer) value : 0;
}
The getId() doesn't compile as it looks like something is not
interpolating cleanly
On 08/08/2008, at 5:00 AM, Michael Gentry wrote:
public void setPassword(String newPassword)
{
super.setPassword(sha1(newPassword));
}
That's close to what we do too. Some small caveats:
* think carefully about how you implement validation like 'password
length is more than 4 characters'
On 05/08/2008, at 11:58 AM, Ian Jamieson wrote:
Is there a way to commit just a specific set of changes, without
commiting
all the changes in the context?
Should I create separate DataContext instances if I want to do this?
Yes, you should be creating separate contexts for this purpose.
On 01/08/2008, at 8:12 PM, Francois Eyl wrote:
Is there a way with Cayenne to do an update in cascade with
relationships (something like the delete in cascade already
implemented) ?
Not 100% sure what you are wanting to achieve, but will lifecycle
callbacks do what you need?
On 23/07/2008, at 9:58 AM, Andrey Razumovsky wrote:
Part of me says that I've seen the same issue before, but I can't
find it
now.
I'm using ROP, Tomcat, Postgresql 8. I get MissingSessionException [No
session associated with request.] in two cases:
1. When I restart a server and continue
On 05/07/2008, at 11:51 AM, Andrus Adamchik wrote:
Yes it won't. SelectQuery always refreshes objects in the cache,
unless you call 'setRefreshingObjects(true)' (I am actually thinking
of deprecating this method).
Does that mean that this page [1] is incorrect when it says:
The query
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