chose. A
quick google search didn't turn up anything
close enough, so I picked an available number.
Regards, Noel Grandin
PS. The roadmap web page seems to be a bit out of date - could you please
remove the items you've already implemented?
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It's better to either hold the connection open, or get connections from a pool,
but always keep one connection open.
This is because it takes time to open the database file, and load bits of data
into memory.
-- Noel.
jav pro wrote:
Hi, maybe a simple question.I create an java application
Hi
I wrote the code, it's mine, and I'm contributing it to H2 for distribution
multiple-licensed under the H2
License,version 1.0, and under the Eclipse Public License, version 1.0
(http://h2database.com/html/license.html).
Regards, Noel Grandin.
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Your syntax is wrong. You should be using
CREATE INDEX FKC31EB476EDC30C54 ON XXX (YYY_ID)
ALTER TABLE XXX ADD CONSTRAINT FKC31EB476EDC30C54 FOREIGN KEY (YYY_ID)
REFERENCES YYY(ID)
You can't do both in one statement.
emek wrote:
I believe this has been mentioned before, I was wondering if we
Hi
I wrote the code, it's mine, and I'm contributing it to H2 for distribution
multiple-licensed under the H2
License,version 1.0, and under the Eclipse Public License, version 1.0
(http://h2database.com/html/license.html).
Regards, Noel Grandin.
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Hi
I wrote the code, it's mine, and I'm contributing it to H2 for distribution
multiple-licensed under the H2
License,version 1.0, and under the Eclipse Public License, version 1.0
(http://h2database.com/html/license.html).
Regards, Noel Grandin.
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- in particular I don't
know how to make the histogram values that I've added in the Column class get
persisted to disk.
Regards, Noel Grandin.
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to reduce
the amount of IO
Regards, Noel Grandin
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That smells like a DNS configuration problem, because DNS timeouts are on the
order of 2-3 seconds.
Could also be a problem with the certificate chain referencing hosts that are
no longer available.
Cedric wrote:
Thanks for the answer, it was very helpfull! The time it takes to
connect is
Hi Thomas
That sounds fine, I'll wait for your commit.
You might want to define the histogram aggregate as
HISTOGRAM(expression, size)
for flexibility.
Regards, Noel.
Thomas Mueller wrote:
Hi,
I had a look at the patch, but I would like to change a few things.
Please don't commit it yet.
Hi
This is a patch which implements typed arrays in function results.
It removes the feature where elements of function array results are converted
to columns.
Regards, Noel.
Lukas Eder wrote:
As for me issue 3 is definitely a bug. But this happens because CALL
statement translates elements
The log file from the server as it starts up would be useful.
Vinicius Carvalho wrote:
Hi there! I was using H2 as our test db. Our DB had around 700mb.
Today we loaded it with more data (going to 2GB). After shuting down
the server (embedded inside a spring config). It won't start
I think you need to read the JDBC documentation.
Specifically, the tutorial around how to use PreparedStatement.
http://download.oracle.com/javase/tutorial/jdbc/basics/prepared.html
tuc70899 wrote:
Hello,
I am setting up a CLOB and wanted to measure its performance at large
sizes. My
The exception is coming from inside your format method.
Look at line 15 of your Format class.
phani wrote:
Hi,
I am new to H2 database, I ran into a particular problem where I was
running a function named format.
public static String format(Double sumValue,Integer decimalValue){
NetBeans has a nice user-friendly profiler built into it (and it's free).
Thomas Mueller wrote:
Hi,
I don't know how to further improve performance, but I would do profiling to
find out where the bottleneck is (see the
performance documentation).
Regards,
Thomas
Am 12.04.2011 08:37
CLOB is probably a better bet.
http://www.h2database.com/html/datatypes.html#clob_type
raj wrote:
Hi,
How can I save a xml into a column. Do I need to do this in BLOB
or CLOB or there is another datatype available for this. How would I
retrieve the data?
Please suggest.
thanks.
It looks like Lucene needs quotes in order to trigger phrase matching.
So your query needs to look like:
SELECT U.ID AS ID FROM FTL_SEARCH_DATA('\new york\', 0, 0) FT, STATE U
WHERE FT.TABLE='STATE' AND U.ID=FT.KEYS[0]
Sneha Shenoy wrote:
Hi Thomas,
I checked the lucene documentation and I
Hi
Also have a look at the class org.h2.tools.Csv in the method initRead()
and modify the line
in = new BufferedInputStream(in, Constants.IO_BUFFER_SIZE);
to read
in = new BufferedInputStream(in, 1 * 1024 * 1024); // 1 MB
And let us know how it goes.
I have
That sounds dodgy - the process seeing the read-only file is going to get its
in-memory structures out of sync with the
on-disk data.
You should probably explore architectures where the update-process makes some
kind of API available so that the monitor
process can periodically issue a query.
Annotating the stack trace reveals this:
Command#executeQuery which takes a lock on a Database object
JdbcPreparedStatement#executeQuery takes a lock on a Session object
LobStorage.LobInputStream#fillBuffer
LobStorage.LobInputStream#readFully
LobStorage.LobInputStream#read
IOUtils#copy
am, Noel Grandin noelgran...@gmail.com wrote:
That sounds dodgy - the process seeing the read-only file is going to get
its in-memory structures out of sync with the
on-disk data.
You should probably explore architectures where the update-process makes
some kind of API available so
The docs aren't clear about this use-case, I think we'll need to wait for
Thomas to weigh in.
See here:
http://www.h2database.com/html/features.html#in_memory_databases
This seems to indicate that the first process should start the in-memory
database using a URL like this
jdbc:h2:mem:db1
And
Thomas, I checked the documentation and I can't find a place where we explain
that.
I can see how to start a TCP server that uses a disk-based database, but I
can't see how to start a TCP server that uses
a memory database.
-- Noel.
Thomas Mueller wrote:
Hi,
Currently, the auto-server mode
You're much better off copying the data into temporary tables before doing a
join.
CVSREAD is only intended to be used for importing data, it's not fast when
doing a join.
Dsp Dsp wrote:
select * from csvread('secfile) b inner join csvread('firstfile.csv')
a on a.col1=b.col1 order by a.col1
what error message are you getting?
HK wrote:
Hello,
I was using the h2 1.2, an update to 1.3.
1.2 worked fine in SQL there.
But an error in 1.3.
create table TEST_GROUP_CLASS
(
GCL_SID1integer not null,
GCL_SID2integer not null,
Each connection will take up a certain amount of memory, but memory is cheap
these days.
If you are using a connection pool inside your application to connect to the
server, then setting the number of
connections to anything above (2 * no_cores on server) is probably going to be
.jdbc.JdbcConnection.prepareStatement(JdbcConnection.java:
241)
at H2_13Test.main(H2_13Test.java:25)
On 5月12日, 午後5:30, Noel Grandin noelgran...@gmail.com wrote:
what error message are you getting?
HK wrote:
Hello,
I was using the h2 1.2, an update to 1.3.
1.2 worked fine in SQL
The DISTINCT operation needs to allocate a temporary table, which it
can't do if the database is read-only.
On Tue, May 17, 2011 at 14:03, Valentin Tablan v.tab...@gmail.com wrote:
Here's an example of a full stack trace when this occurs:
Caused by: org.h2.jdbc.JdbcSQLException: The database is
disconnecting after the
first script, the exception doesn't occur...
Files:
[1] http://users.ninthfloor.org/~mnicky/test/1-init-db.log
[2] http://users.ninthfloor.org/~mnicky/test/2-insert-rows.log
On May 21, 6:40 pm, Noel Grandin noelgran...@gmail.com wrote:
Do you have a test case? i.e
questions marks inside quotes are not treated as parameters.
You would need to do:
WHERE U.USER_NAME LIKE CONCAT('%', ?, '%')
new to h2 wrote:
Hi,
I am a new user of H2 database and recently met the following problem.
Maybe someone have any idea what's wrong?
stm =
are persisted to disk already for read-only databases; it
doesn't seem fundamentally different to do an external sort and
distinct that way?
On May 18, 11:34 am, Noel Grandin noelgran...@gmail.com wrote:
The DISTINCT operation needs to allocate a temporary table, which it
can't do
the feeling that the
underlying programming languages are at fault since we assume serial code
execution by default whereas some languages
(most notably VHDL from the hardware world) assume parallel execution by
default and are geared towards it.
Gili
On 01/06/2011 3:47 AM, Noel Grandin wrote
Importing help is here:
http://www.h2database.com/html/performance.html#fast_import
vsaji wrote:
Hi,
I am trying implement a solution using H2 DB where it is expected to
load more than 6 to 7 Million records into the DB.
I am able to load this volume using mem and file option ie.
Java will typically consume as much memory as there is available on the system.
If you want it reduce it's memory usage, then you need to explicitly tell it to
limit itself.
For example
java -XMx=250M
will tell java to limit itself to less then 250M.
vsaji wrote:
Hi Noel,
I tried your
That shouldn't be the case when in file mode, the loading process should not
require much memory at all.
Do you have a simplified test case?
vsaji wrote:
Hi Noel,
The issue I am trying to explain here is, even 1GB Max heap is failing
when I try to load 1Million Record.
So is this is an
Are you sure the problem is H2?
Maybe try using the NetBeans memory profiler
Or the Eclipse Memory Profilter
(both free)
to find out where the memory is going.
-- Noel.
vsaji wrote:
Hi Noel,
The issue I am trying to explain here is, the loading process is
failing even on 1GB heap size.
Its open-source, you're welcome to checkout a copy of H2 and patch it.
And then post it here, and if it integrates well enough, Thomas may accept
it.
On Thu, Jun 16, 2011 at 21:41, cowwoc cow...@bbs.darktech.org wrote:
On 16/06/2011 2:47 PM, Thomas Mueller wrote:
Hi,
I'd like to know if
In that case you might want to consider a more full-featured database like
PostgreSQL which is designed for uptime and
multi-user availability.
H2 is an embedded database, it's not really in the same design space.
kensystem wrote:
Hi Thomas,
Yes both those reasons: the database (table) is
Not really worthwhile in an embedded database.
If you want clustered DB storage in a SQL database, you're better off looking
at the recent advances in the PostgreSQL
project's clustering extensions.
耍bhi wrote:
Hi,
Is there any way to integrate H2 with Apache Zookeeper (http://
Surely H2 should copy any mutable data-structures coming from the user at first
opportunity?
I'm happy to make sure a change, if you agree Thomas.
-- Noel.
Thomas Mueller wrote:
Hi,
This is strange. The checksum of the btree index page is correct,
meaning it doesn't look like a corruption
There is a spec here:
http://en.wikipedia.org/wiki/SQL/XML
I imagine it would take the form of implementing a bunch of new SQL functions
and mapping a couple of new datatypes to
an internal LOB representation.
-- Noel
anh wrote:
Hi,
I browsed through the roadmap and found this interesting
Hi
That doesn't make any sense - we convert java.sql.Timestamp to a ValueTimestamp
object internally, and convert back when
the user requests a value, so there is no way they could corrupt the data by
writing to a Timestamp object.
-- Noel.
Thomas Mueller wrote:
Hi,
This is strange. The
for netstat in post above)
Nothing is running on the required ports.
On Jul 21, 12:27 pm, Noel Grandin noelgran...@gmail.com wrote:
Do a netstat to find out what else is running on those ports.
Stewart wrote:
Hi Guys,
Hoping you can help me.
I am pretty sure that ports 8082, 9092 and 5435
Sounds like auto-increment keys require a global lock in the case of a
clustered DB.
On Mon, Jul 25, 2011 at 21:12, Thomas Mueller
thomas.tom.muel...@gmail.comwrote:
Hi,
I think I understand what the problem is. This is what should happen:
(1) conn1: insert into database A = sequence 1
That sounds like you need
(1) a tool for analysing the commit log.
(2) Some kind of API for events that aren't in the commit log, where you can
plug in a class that implements the API and
record the events.
Patches welcome :-)
Thotheolh wrote:
Hi. After playing around with the trace log level,
I don't know what is wrong, but this is a test-case that shows the problem, to
be used in the TestDateStorage class
private void testXXX() throws SQLException {
Connection conn = getConnection(date);
TimeZone defaultTimeZone = TimeZone.getDefault();
Statement stat =
On Sat, Aug 20, 2011 at 13:21, Nitin nitin.c.chau...@gmail.com wrote:
I do not have time really to setup and test this in another DBs
Then why should we take the time to identify the problem? It's not
like we're being paid for this.
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Sounds to me that somehow the H2 database is being closed between the calls.
Because it's an in-memory database, that means that it'll get wiped clean.
You possibly need to open a connection in the beginning and hold it
open somehow so the database doesn't go away.
On Thu, Aug 25, 2011 at
With a BLOB that small, you'd be better off using a larger PAGE_SIZE, and a
VARBINARY column.
Mark Addleman wrote:
I'm writing an application which may write tens of thousands of blobs
simultaneously. Each blob will be around 1k.
In initial testing, it appears that H2 writes each blob
through PageDataIndex and PageStore is all
highly inter-related.
Any suggestions?
Thanks, Noel Grandin
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to how BigTable and Hadoop store their data.
Regards, Noel Grandin
Thomas Mueller wrote:
Hi,
Numbers are already compressed (see Data.writeVarInt and so on).
Regards,
Thomas
On Tue, Aug 30, 2011 at 6:21 PM, Noel Grandin noelgran...@gmail.com wrote:
Hi
I have an application where I store
I wrote my own because migrate4j didn't exist back then, but now that I look at
it, my code is basically doing the same
thing as migrate4j.
Regards, Noel Grandin
Paluee wrote:
Hi there,
Just wondering if anybody is using a database migrations framework
like Migrate4j, or other ones with H2
Quite a few people do that already and it works fine.
The database performs locking internally to make sure the updates are
synchronized.
David Marko wrote:
Is it save to use H2 in embedded mode in web application? I mean if(or not)
there are some potential concurrency
issues when two users
POSTGRESQL MODE modifies the syntax slightly in order to be more compatible
with PostgreSQL, but 99% of the syntax stays
the same.
Rami Ojares wrote:
Hi,
I use the POSTGRESQL MODE in order to allow ODBC access to the database.
Can I still use safely the H2 SQL reference or does the
Yeah, I was hoping to be able to build something that was more generally useful
to the community, because I've run
across this problem before.
It would also be nice to be able to query the table in a normal fashion.
If I was to add this feature, ideally what I want to do is to separate the
Try using something like Netbeans Profiler or Eclipse Memory Analyzer to see
who is holding those objects in memory.
Martin wrote:
Hello,
I generate Strings in Java, which contains SQL statements like
INSERT INTO myTable VALUES (...),(...),(...),... ;
This happens in Thread1 of 2 Threads
am missing completely?
regards
Navjot Singh
On Sep 6, 5:44 pm, Noel Grandin noelgran...@gmail.com wrote:
See here:http://h2database.com/html/advanced.html
the discussion on durability.
WRITE_DELAY sets the delay between writes being committed to disk.
You could set it to longer, and you
-locks.html#upgrade
-- Noel Grandin
Thomas Mueller wrote:
Hi,
May I ask how it's currently implemented? Wait/notify?
Yes. java.util.concurrent can't be used because it doesn't support lock
upgrade.
Regards,
Thomas
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Looks like you had the debugger on and the VM crashed.
Sorry, but this isn't something H2 - specific. It's either a bad machine, or a
bug in the Java Virtual Machine.
Volvagia wrote:
Current thread (0x16b63000): JavaThread JDWP Transport Listener:
dt_socket daemon [_thread_in_vm, id=8412,
Selectivity should update automatically every 1000 rows, so it should never be
wrong enough to cause problems.
-- Noel Grandin
kensystem wrote:
First I realize my question may be naive, please accept my apologies in
advance.
Some of the performance problems I've encountered seem to related
Hi
Ah, yes, I see what you are saying.
I'm afraid on-disk b-tree indexes don't work that way.
They have an entry for every row in the table, so index.size() == table.size().
-- Noel Grandin
kensystem wrote:
Hi Noel, thank you for your reply! Well, I was actually thinking (asking) if
calling
System.setProperty(h2.bindAddress, 127.0.0.1);
On 13 October 2011 21:44:41, beetle wrote:
Hmm, pehaps adding it as a straight property in the config is not
appropriate, so i tried adding it to the URL as such:
property name=connection.urljdbc:h2:C:\journal\H2DB
(b).
As opposed to a BLOB/CLOB type, which streams only the necessary parts
into memory as they are used.
On Tue, Oct 25, 2011 at 16:32, Adam McMahon a...@cs.miami.edu wrote:
Hi,
I am new to this list. H2 seems like a great program and I am highly
considering using it in my current web app.
Hi Angelo
Try doing this:
SELECT
COUNT(HDR_EVENT_NUMBER ) AS Y,
HDR_EVENT_NUMBER AS TEXT
FROM PUBLIC.XDASV1
GROUP BY HDR_EVENT_NUMBER
Regards, Noel.
Angelo Immediata wrote:
Hi Thomas
I tried your suggestion; these are results:
*1) explain select count(ID) as y, HDR_EVENT_NUMBER as
Could you try connecting to the offending process and getting a stack dump.
VisualVM should do the trick. That should tell us which thread is the
problem.
On Friday, October 28, 2011, Laird Nelson ljnel...@gmail.com wrote:
I've added another test case to show what I mean and have attached the
Hmm, I'm not entirely sure there is a bug here.
It looks like the server does not have enough time to finish starting
up before the shutdown command executes.
The shutdown command thinks that the server is not there, so it just
completes normally.
I suspect that if you put Thread.sleep(500)
see
http://www.h2database.com/html/features.html#multiple_connections
Adam McMahon wrote:
Hi,
Quick question. As I understand it, H2 handles the synchronization of
SQL commands. If a number of SQL commands hit the database from a
variety of connections, do they execute in the order that H2
you'd have to provide more information, preferably a test-case.
issue 3 looks like you have multiple machines accessing the same file, and
those machines do not have synchronised clocks.
Sri Sudha wrote:
Hi,
In our project we are using H2 DB version : h2-1.1.114. We are using
h2db to store
you probably haven't specified the database URL properly.
see http://www.h2database.com/html/tutorial.html#connecting_using_jdbc
steve wrote:
Hello
Firstly , thank you for this awesome database. I've upgraded to the
current release and noticed that the application wasn't functioning as
to the DB connection
string. I must add here that using the previous x.x.160 version works and
only when I replace the jar with vx.x.161 do I run into this problem.
Regards
Elton Kent
-Original Message-
From: Noel Grandin [mailto:noelgran...@gmail.com]
Sent: Monday, October 31, 2011
of the other two will get access and
perhaps lock the Database? But which one will get access? That is
what I am trying to understand. Will the SQL statement that was
submitted first get access (is it a type of queue), or is there no
guarantee on this?
Thanks,
-Adam
On Oct 31, 1:08 am, Noel
-
From: Noel Grandin [mailto:noelgran...@gmail.com]
Sent: Monday, October 31, 2011 11:48 PM
To: Elton (GMAIL); h2-database@googlegroups.com
Subject: Re: Issue with c3p0 when using h2-1.3.161.
Hmmm, interesting.
Is there perhaps an error message earlier on in the log?
I ask because I can't
cancel() is supported, but it does not support cancelling an in-progress
single-row insert.
cancel() supports stopping a long-running SELECT, UPDATE or DELETE, but only
between individual rows.
timbo wrote:
I have a test case (below) where a long running db operation is
launched in a thread,
that is part of a larger transaction,
my thread should get an exception and I can then rollback the entire
transaction, correct?
Correct.
On Nov 3, 4:01 am, Noel Grandin noelgran...@gmail.com wrote:
cancel() is supported, but it does not support cancelling an in-progress
single-row insert
Do you have indexes on these tables?
On Wed, Nov 9, 2011 at 10:58, qflahaut quentin.flah...@gmail.com wrote:
Hello, I'm using h2 database in my new project and i'm facing a
problem on the join request.
I have 2 tables: table entity and table entitystate.
here is the shema of the tables :
http://stackoverflow.com/questions/414583/is-there-a-crud-generator-utility-in-javaany-framework-like-scaffolding-in-rai
On Wed, Nov 9, 2011 at 09:08, cnn nagesh...@gmail.com wrote:
Hello,
Is there any generic CRUD web applications running on Java and H2
dataabase similar to the Evolutility
-structured and easy to work with.
Set up Eclipse, install Subclipse, checkout the repository, code,
generate patch, and send to list.
You're also welcome to just ask nicely for features and some of us
might help out.
Regards, Noel Grandin
On Thu, Nov 10, 2011 at 19:39, dzoettl dzoe...@web.de
your query doesn't make sense.
(1) you are using a group by and a where clause that only includes
one group, so the group by does nothing
(2) you can't mix select * and group by
On Sat, Nov 12, 2011 at 01:04, the nigga fernandopaiv...@gmail.com wrote:
Hello
I am trying use the SUM in a SELECT,
yeah, MySQL is funny that way, it will accept some queries that aren't
really legal SQL.
On Sat, Nov 12, 2011 at 14:31, fernando paiva fernandopaiv...@gmail.com wrote:
when I'm use mysql this is works but with h2 dont. Ok, now I understand why.
thanks.
2011/11/12 Noel Grandin noelgran
Had a bash at implementing this.
Let me know if it works for you.
-- Noel Grandin
On Sun, Nov 13, 2011 at 10:17, Thomas Mueller
thomas.tom.muel...@gmail.com wrote:
Hi,
This isn't supported currently, but it's a reasonable request. I will not
have time to implement it myself currently
google for database schema export tool and you'll find lots of free
tools already out there.
On Mon, Nov 14, 2011 at 20:26, Igal d...@21solutions.net wrote:
hi Brian,
thank you for the detailed explanation.
it looks like I might be able to write a SQL script that will iterate over
all the
H2 doesn't have that kind of stored procedure, but you can easily code similar
stuff in java. See here:
http://h2database.com/html/features.html#user_defined_functions
Igal wrote:
I was trying to find some sample code for Stored Procedures or UDFs in H2.
the only information I found was
it in an int, we have 22 bits of range for the year, which I
suspect is plenty :-)
Regards, Noel Grandin.
Thomas Mueller wrote:
Hi,
I don't know why it is slower now. According to my test, the main
problem is PreparedStatement.setString. I don't see much that could be
improved. Here my profiling
boost in case if the cache size is not enough to keep all
the data.
On Nov 22, 2:52 am, Noel Grandin noelgran...@gmail.com wrote:
Are you running a 32-bit VM or a 64-bit VM?
With a 32-bit VM, I don't think you're going to get much more than a 2G heap
on windows.
Switching to a 64-bit VM
That's not how SQL works.
H2 is correctly instantiating one instance for each group of rows.
TH wrote:
Good Day,
I have defined a custom aggregate function class GroupConcatIntegers
implementing the org.h2.api.AggregateFunction interface and registered
it in my H2 database as follows
Both of those problems sound like one of more of the connections are not
calling commit() after inserting data into the
database, holding the transaction open.
Jason wrote:
I currently use H2 for a logging/monitoring application which runs
24x7 and I am experiencing two issues:
1) The size
is not the best, so
perhaps some more research will turn up some conditions where a commit
or rollback would be missed.
On Nov 25, 3:58 am, Noel Grandin noelgran...@gmail.com wrote:
Both of those problems sound like one of more of the connections are not
calling commit() after inserting data
You are welcome to modify the source code and try out your ideas.
Instructions are here:
http://h2database.com/html/build.html
On Tue, Nov 29, 2011 at 12:53, andreis andrei.sobch...@gmail.com wrote:
As Noel suggest, you could split the table in two: one only contains the
columns that are used
Implement the Trigger interface and check the oldRow vs newRow
parameters to see which fields have changed.
On Tue, Nov 29, 2011 at 16:00, Christian Bauer
christian.ba...@gmail.com wrote:
This TriggerAdapter updates the LASTMODIFIED column of the inserted or
updated row:
@Override
a long startup time is also something that would happen if a connection is
holding a transaction open for a long time.
the trace options might help you find this:
http://www.h2database.com/html/features.html#trace_options
zing wrote:
I'm also having trouble with long startup times - but the
, at 18:28 , Noel Grandin wrote:
Implement the Trigger interface and check the oldRow vs newRow
parameters to see which fields have changed.
This is the workaround:
public class UpdateLastModifiedTrigger extends TriggerAdapter {
public static final String COLUMN_ID = ID;
public static
Do you have an example of another database that implements this feature?
And yes, that's not a typical use-case for a trigger (coming from someone who
has been building relational database
backed products 10 years).
Christian Bauer wrote:
On Nov 30, 2011, at 14:39 , Noel Grandin wrote:
So
H2 does not currently support that style of IN query.
You're welcome to log a feature request.
Karsten Krieg wrote:
Hi group!
We have a working query (working on oracle that is) which throws the
above SQL error in H2 v1.3.154. The query is designed to return two
values from a subquery.
depends on the size of the row, the number of simultaneous users, the number of
required read/writes per sec, etc.
Viji wrote:
Hi,
We are trying to store about 1Million rows in H2 database tables.
Can anyone please advise scalability in H2 database.
Thanks.
Viji
--
You received this
Can you give the full stack-trace, that one is missing information.
Viji wrote:
Hi,
We are getting Timeout trying to lock table error in the h2 database.
Can anyone one please point us why it is coming ?
ts=2011-12-02T03:28:09.555Z level=Excep
class=gov.lbl.bdm.gsiftp.GsiFTPParallelBrowsing
sorry, you're better off asking on mailing lists devoted to those tools
On Mon, Dec 5, 2011 at 16:01, the nigga fernandopaiv...@gmail.com wrote:
Workbench/J or other GUI/Tool...I am using Power Architect, but that
tool some times return few errors.
On 5 dez, 06:30, Noel Grandin noelgran
depends where the rollback occurred. If the rollback occurred after the commit,
then it won't have any effect.
satio wrote:
Hello..
I tried using connection pool in my ram DB..
if i dont't use beginTransaction, it seems no problem.
But when i use beginTransaction using connection pool in my
Please post the rest of the stack trace
On Tuesday, 6 December 2011, iNumerix ejeane...@gmail.com wrote:
This works well in version 1.3.159
SELECT t0.id, t0.name, t0.tarification_type, t0.fixed_price,
t0.price_unlicenced, t0.price_licenced, t0.periodicity, null, 0, 0
FROM usr_item t0 JOIN
That sounds like a reasonable suggestion to me.
(not that I'm volunteering to implement it, little busy on another open-source
project right now).
andreis wrote:
I've got that exception a couple of times. It was not related to H2.
We were not able to find the reason and the solution. We
you are never calling commit on the connection
On Wed, Dec 7, 2011 at 19:07, Vinod vinodsang...@gmail.com wrote:
I would appreciate any help on this, as I am not able to make use of
H2 because of this pretty basic issue.
On Nov 22, 12:43 pm, Vinod vinodsang...@gmail.com wrote:
I have a query
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