I may well have... I always figured that since you can't make a
column in an Oracle table of type timestamp that it was just an
Oracle quirk. Or, to avoid sticking my neck out too far again,
whenever I tried using timestamp as a column type in my Oracle
databases, I've gotten an error.
In
I don't know if help, but analizing Vector I've seen that when need more
space, it double allocated space. ArrayList, at other side, does a less
agressive approach (but is slower), and ojb has support for
ManageableArrayList for collections (set collection-class).
Of course, you should use Proxy
On Fri, 20 Feb 2004 14:13:40 +0100 Mahler Thomas [EMAIL PROTECTED] wrote:
I think that you encounter an interference of the cache.
Please try if clearing the cache right before the secong OQL query solves
the problem.
How can I do this? (It won't work with the ODMG API, of course.)
If this
hi paul,
i'm sorry i forget that ojb manipulates the criteria in addLike.
imo it would be the best to pass the criteria withou any modifications to the dbms.
what do you think about this ?
jakob
Nase, Paul R. wrote:
Adding a like parameter as the link suggests (addLike(attribute,%[%]%)) will
It shouldn't matter what db is being used, I should be able to find any fields
containing a '%' or a '_' regardless. The SQL specification allows for this by
allowing the ESCAPE parameter.
I modified the Criteria.java (generateSqlSearchPattern() method) and the
SqlQueryStatement.java
hi paul,
i'd prefer to have the whole escape handling in one place, in critria.
also i do not know if the escape handling is platform independent.
jakob
Nase, Paul R. wrote:
It shouldn't matter what db is being used, I should be able to find any fields
containing a '%' or a '_' regardless. The
We are using WebSphere JTA for managed connection
support with Oracle.
When an insert occurs and the sequence doesn't exist,
the sequence manager code tries to build a sequence on
the database. However, a commit is done implicitly
after any DDL statement (such as CREATE SEQUENCE).
This then
hi peter,
i committed the fix.
jakob
Peter Wieland wrote:
Hi Jakob,
the code changes seem to work well. Thank you very much. I'll tell if
further problems occur.
Thank you for your help,
Peter
hi peter,
please replace the method addJoin in SqlQueryStatement with the following:
I don't think there are any platform issues, we aren't talking about
path names to look for files or anything like this. We are simply
Talking about an SQL92/SQL98 feature that is not being utilized.
This character could have been anything, I just so happened to pick
the '\' character because
I'm getting the impression noone is reading this thread but me, but for
the sake of anyone who searches later, I have determined the following:
the JDORI puts objects in the cache, before calling jdoPreStore. Since
o.a.o.broker.Identity reflects out the values of the Primary keys during
hi paul,
Nase, Paul R. wrote:
I don't think there are any platform issues, we aren't talking about
path names to look for files or anything like this. We are simply
Talking about an SQL92/SQL98 feature that is not being utilized.
This character could have been anything, I just so happened to
hi paul,
Nase, Paul R. wrote:
Jakob,
i just don't see why we can't construct the whole string in criteria.
in appendSelectionCriteria you simply append ESCAPE '\\' . why can't this be done in
criteria#generateSQLSearchPattern ?
We cannot just append this to the search pattern, because when the
hi alessandro,
could you please post the class-descriptors ?
jakob
Alessandro Villamaina wrote:
Hi all,
I have the following class declaration (pseudo code):
class DBObject
private String name
private Collection attributes
class DBAttribute
private String name
private String value
hi steve,
imo OQL is not the problem here.
have you tried to query for AccomplishmentImp, just to see if 'site' can be
resolved ? may be you should use the latest from repository.
jakob
Steve Clark wrote:
I'm having a problem with extents in ODMG. OJB is generating
incorrect (and, in fact,
hi paul,
yes, now i understand. i did also some experiments and i saw that my solution
was not working. i'll have a look at the separate LikeCriteria now.
jakob
Nase, Paul R. wrote:
Jakob,
Perhaps I am misunderstanding your question. When you say why can't we add the
ESCAPE to the search
hi paul,
seems like mysql does not like '\'. it works with '|' :
SELECT A0.LASTNAME,A0.FIRSTNAME,A0.ID FROM PERSON A0 WHERE A0.FIRSTNAME LIKE
'h%|%' ESCAPE '|'
jakob
Jakob Braeuchi wrote:
hi paul,
i implemented the escape handling with LikeCriteria which results in the
following sql:
hi paul,
i did some tests with ms-access. first it uses * instead of %, so replacing * is
not an option. second it does not like ESCAPE. i think ms-access uses [*] to
escape *.
one may argue that ms-access is not a real dbms; but ojb claims to support it...
jakob
Jakob Braeuchi wrote:
hi
Hi Sean:
AFAIK, this would not happen. BTW, what version are you using?
Best Regards,
Antonio Gallardo
Sean Dockery dijo:
Hello there.
I've had a curious experience recently with OJB, and I was wondering if
someone could confirm my speculations about the behaviour.
Suppose I have two
Hm, reminds me of the problem I encounter with the cache. Depending on which cache
implementation I use my application behaves differently. In your case, could it be the
garbage collector removes your ProductCategory instance while your main thread is
asleep?
Best regards
Rainer Klute
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