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List: ojb-dev
Subject: Re: OJB 1.0.2 ?
From: Martin_Kalén <mkalen () apache ! org>
Date: 2005-02-23 17:19:11
Message-ID: 421CBB0F.5010705 () apache ! org
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Hi all,
after some time of hibernation (ahem, sorry... ;) I will hopefully
have some more time to devote to OJB development.
Brian asked me to run the tests for OJB_1_0_RELEASE branch against
Oracle, and I have just updated the source and done so. My results are
similar to Vadim's at a quick glance.
Here are the results of the Oracle jury... :)
(CVS update @ 2005-02-23 c:a 16:00 CET)
[junit] Tests run: 609, Failures: 1, Errors: 3
[junit] Test org.apache.ojb.broker.AllTests FAILED
Testcase: testReportPathExpressionForExtents1
java.lang.ClassCastException
oaob.QueryTest.testReportPathExpressionForExtents1(QueryTest.java:1597)
Testcase: testTimestampLock
Should throw an Optimistic Lock exception
Testcase: testBlobInsertion
SQLException: ORA-01401 (value too big)
Testcase: testReadNullBlob
java.sql.SQLException: (invalid column type)
[junit] Tests run: 129, Failures: 1, Errors: 7
[junit] Test org.apache.ojb.odmg.AllTests FAILED
Mostly caused by
JdbcTypesHelper$T_LongVarBinary.readValueFromResultSet(JdbcTypesHelper.java:960)
call to OracleResultSet.getBinaryStream and SQLException "stream is
already closed".
Looks like reading LONG of some kind out of sequence, there are
Oracle-constraints similar to those for MSSQL (that don't like reading
"special" columns twice, triggering previous OJB refactoring and
changes) for LONGVARBINARY columns. Should be fixable by reading stuff
from ResultSet in a different order and would then not affect other
platforms that don't care about the ordering.
[junit] Tests run: 79, Failures: 1, Errors: 0
[junit] Test org.apache.ojb.otm.AllTests FAILED
Testcase: testSwizzle1toN
should be equal expected:<0> but was:<1>
org.apache.ojb.otm.SwizzleTests.testSwizzle1toN(SwizzleTests.java:351)
I will start looking into these, I think most of them are pretty easy to
fix (invalid datatype conversions that the platforms can handle).
Jakob Braeuchi wrote:
> did you use the oci- or the thin-driver.
> according to some posings the thin-driver seems to have a limited blob
> size.
> http://www.theserverside.com/discussions/thread.tss?thread_id=30048
That's the whole issue with having a separate Oracle9i platform
implementation. BLOB has a 2000 byte limit and CLOB has a 4000 dito when
using standard JDBC operations on the result set using the oracle thin
driver. In the Oracle9i impl, Oracle-specific streaming through the LOB
("locator object" in the oracle universe) works around this but requires
some nasty reflection calls.
I also know that Armin previously forwarded a discussion from the
user-list re. timestamp milliseconds and optimisitic locking, I will
check if those user-supplied changes can resolv optimistic locking
failures (similar to those seen on MySQL).
Regards,
Martin
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