On 7/17/06, Lance J. Andersen [EMAIL PROTECTED] wrote:
Here is the description of String.subString()
substring public String substring(int beginIndex,
int endIndex)
Returns a new string that is a substring of this string. The substring
begins at the specified beginIndex and extends to the
On 6/24/06, Daniel John Debrunner [EMAIL PROTECTED] wrote:
Thomas Dudziak wrote:
On 6/22/06, Rick Hillegas [EMAIL PROTECTED] wrote:
Last week, Sun Microsystems announced that it will bundle Derby with the
next major release of the reference jdk, Java SE 6, also known as
Mustang or jdk1.6
Hi Jean,
On 6/26/06, Jean T. Anderson [EMAIL PROTECTED] wrote:
The original Software Grant provides an ASF record of the files that
were originally contributed -- as does the subversion repository itself,
which provides a record of both the files that were contributed
originally and the files
On 6/22/06, Rick Hillegas [EMAIL PROTECTED] wrote:
Last week, Sun Microsystems announced that it will bundle Derby with the
next major release of the reference jdk, Java SE 6, also known as
Mustang or jdk1.6. If you download the latest Mustang build, you will
see that it contains our Derby
On 6/15/06, Kathey Marsden [EMAIL PROTECTED] wrote:
The problem was just that ddlutils was not handling the case where the
lob length was 0, but it was not null (an empty string was in the CLOB
column)
The hack of a patch below got me going.
Mhmm, the Clob Javadoc does not explicitly state
On 6/15/06, Kathey Marsden [EMAIL PROTECTED] wrote:
Please note, my hack of a patch is not ready and needs adjustment.
It calls Clob.length() twice which may be a performance issue on some
systems and I haven't tested it with BLOB's and looking at the code now
I see it is flat out wrong.
On 6/14/06, Kathey Marsden [EMAIL PROTECTED] wrote:
snip
Caused by: SQL Exception: Zero or negative length argument '0' passed in
a BLOB or CLOB method.
at
org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:80)
at
On 3/13/06, Thomas J. Taylor [EMAIL PROTECTED] wrote:
I tried running DDLUtils to convert one of our existing MySQL databases to
Derby. It got to the point of importing data from the data.xml file but
failed due to an 'Data Truncation' Exception converting from LONG VARCHAR to
VARCHAR(32700).
On 3/13/06, Thomas J. Taylor [EMAIL PROTECTED] wrote:
By the way, it looks like the DDLUtils failed on a MySQL LONG VARCHAR that
we represent as a CLOB in Derby. Typically, the column content includes very
long XML content.
Could you provide the SQL for the table where DdlUtils failed ? Which
On 1/4/06, Bernt M. Johnsen [EMAIL PROTECTED] wrote:
I was too fast in my conclusions. It is not a bug.
setObject(idx, bigDecimal, Types.NUMERIC) is defined to be identical
with setObject(idx, bigDecimal, Types.NUMERIC, 0) and that's exactly
what Derby does.
If you need decimals, you have
On 1/2/06, Bernt M. Johnsen [EMAIL PROTECTED] wrote:
Thomas Dudziak wrote (2005-12-25 16:18:14):
When executing this code snippet:
Statement stmt = conn.createStatement();
stmt.executeUpdate(CREATE TABLE test (\n+
pk INTEGER NOT NULL,\n
On 1/2/06, Legolas Woodland [EMAIL PROTECTED] wrote:
Thank you for reading my post.
can some one please check and see what is wrong with this scripts ?
im sure that they should execute but derby return errors like :
org.apache.derby.client.am.SqlException: Constraints
'SQL060103004635123'
On 1/2/06, Legolas Woodland [EMAIL PROTECTED] wrote:
Thank you for reading my post.
what type i should use instead of boolean in derby ?
should i use tinyint / small int for this purpose ?
Yep, ResultSet.getBoolean/setBoolean work just fine with these types,
so in your Java code you can use
On 12/27/05, Daniel John Debrunner [EMAIL PROTECTED] wrote:
Yes. Use literals/constants that represent VARCHAR FOR BIT DATA.
create table t ( b varchar(20) for bit data default X'CAFE')
The default here would be 0xCAFE
Yes, I thought it would be something like that (without the X though).
On 12/28/05, Daniel John Debrunner [EMAIL PROTECTED] wrote:
The value is hex, not ASCII characters. Two characters, each in the
range 0-F represent a single byte.
Ah, cool. I thought you wanted to write 'CAFE' as in: cafe :-)
Tom
Hi there,
I'd like to specify a default value for a (VAR)CHAR FOR BIT DATA
columns when creating a table. Is this possible with Derby, even if
the default value contains unprintable (non-ascii) characters ?
regards,
Tom
When executing this code snippet:
Statement stmt = conn.createStatement();
stmt.executeUpdate(CREATE TABLE test (\n+
pk INTEGER NOT NULL,\n+
value NUMERIC(15,7) NOT NULL,\n+
PRIMARY KEY (pk)\n+
));
Don't think many databases has implemented COUNT(row value expression)
although it has been in the SQL standard since '92.
COUNT(DISTINCT col) works, though
May be, yes. Would be nice though if Derby supports more than one
column in the COUNT DISTINCT inner expression.
But the COUNT(*) on a
On 12/18/05, Bernt M. Johnsen [EMAIL PROTECTED] wrote:
You're just missing a small detail:
select count(*) from (select distinct person_id, project_id from
person_project) as t(a,b);
Yup, thanks, that works!
But is there any chance for support for
SELECT COUNT(DISTINCT person_id,
On 12/11/05, Daniel John Debrunner [EMAIL PROTECTED] wrote:
Thomas Dudziak wrote:
While sitting here with Jean at the Hackathon and adding support for
Derby to OJB, I stumbled across a strange exception that might perhaps
be a bug. In short, OJB generates some SQL like this (don't ask
On 12/12/05, Myrna van Lunteren [EMAIL PROTECTED] wrote:
I always thought derby.war was only supposed to have the web.xml in it.
The web.xml refers to org.apache.derby.drda.NetServlet
which lives in derbynet.jar.
You're supposed to make the derbynet.jar available to the app server's
While sitting here with Jean at the Hackathon and adding support for
Derby to OJB, I stumbled across a strange exception that might perhaps
be a bug. In short, OJB generates some SQL like this (don't ask):
SELECT A0.TASK_ID,A0.PERSON_ID,A0.PROJECT_ID,A0.TASKNAME FROM TASK A0
WHERE (A0.PERSON_ID =
On 12/10/05, Michael Segel [EMAIL PROTECTED] wrote:
So, coding is now ugly?
No, it simply should not necessary in this case, configuration would
suffice. And I would have to code it whenever I want to have this
functionality, so I would have to come up with solutions for, say,
Spring, for EJB,
On 12/9/05, Lance J. Andersen [EMAIL PROTECTED] wrote:
There is no requirement that an app can write to the directory where the
internal version of a web app is stored in an app server
Sure, I'm aware that there neither has to be a directory or it is not
writeable. But in a lot of cases it is,
Beauty is in the eye of the beholder.
How is determining the JDBC URL at runtime ugly?
Because you have to code it ?! You cannot simply configure it which
makes using a lot of frameworks/libraries that use the database
unnecessarily difficult (think: Spring, Hibernate, OJB, ...).
Tom
Hi,
the manual says
(http://db.apache.org/derby/docs/10.1/devguide/rdevdvlp38881.html):
classpath Databases are treated as read-only databases, and all
databaseNames must begin with at least a slash, because you specify
them relative to the classpath directory.
Now I wonder why that is so ?
On 12/8/05, Daniel John Debrunner [EMAIL PROTECTED] wrote:
Would you consider adding it ? I think that is would be really useful
because it would decouple the app from where it runs (without having
to run Derby in server mode).
If the 'you' means me, then I don't have the time or the itch
On 11/30/05, Bryan Pendleton [EMAIL PROTECTED] wrote:
Michael McCutcheon wrote:
I'm implementing a utility class that populates 'beans' with data from
tables in derby.
Aren't you sort of re-inventing the wheel? It seems like there are a
lot of libraries already out there which do this
On 11/30/05, Michael McCutcheon [EMAIL PROTECTED] wrote:
Yes, I have heard of these, but there is a HUGE learning curve to
these. What I need to do is fairly simple and does not require a
complete 'persistence solution'. I just need to populate beans from
resultsets and need to know how to
On 11/17/05, Andre Bickford [EMAIL PROTECTED] wrote:
Can anyone give me some advice on the best way to export a MySQL
database to Derby? I've tried lots of different options with
mysqldump but I can't seem to get a format that I can run through
Derby.
You could try DdlUtils
On 11/11/05, Susan Cline [EMAIL PROTECTED] wrote:
I got this to work using the following configuration:
Tomcat 5.5.9 with these edits to the server.xml file:
Host
Context path=/DerbyClasspathTest
docBase=DerbyClasspathTest debug=5
reloadable=true crossContext=true
!--
On 11/10/05, Knut Anders Hatlen [EMAIL PROTECTED] wrote:
Just a wild guess: Starting ij in Eclipse sets derby.system.home to
the directory where the database is located, hence the database is
found. In the other cases derby.system.home is set to its default
value (current working directory),
Hi folks,
I get the The conglomerate (1.056) requested does not exist. error
with Derby 10.1.1.0 and I don't understand why. Here's the setup:
* I've created a database (using embedded driver) via DdlUtils into my
webapp-to-be-deployed in directory WEB-INF/classes/derbydb. The
database correctly
On 11/9/05, Mike Matrigali [EMAIL PROTECTED] wrote:
That stack does not include the derby internal stack, perhaps you still
have it in derby.log?
I'm not entirely sure what you mean by the derby internal stack and
derby.log ? I run derby in embedded mode, how can I direct it to
generate such a
Even more interesting, I simply stopped the web server and restarted
it without any other changes, and now access to Derby works without
problems, even after additional restarts. So this has to with
first-time access to the database ?
Tom
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