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From "Fearghal O Maolcatha" <fearghal.omaolca...@gmail.com>
Subject Re: Problem with SCOPE_IDENTITY() with SQL Server 2005 Express
Date Tue, 24 Apr 2007 18:00:01 GMT
I've run the query from SQL Server Studio Express query editor and it
returns the id:

insert into uidisk_group (free_capacity) values ('100')

select SCOPE_IDENTITY()

However if I run the 'insert' and 'select SCOPE_IDENTITY' as separate
queries then the 'select SCOPE_IDENTITY()' returns NULL
I was looking through the log file containing the Ibatis debug output, I've
noticed that the 'insert' and 'select SCOPE_IDENTITY' are issued as two
separate Prepared Statements to the database. I'm just wondering whether
these two statements are executed in a transaction? I've included an extract
from the log file below:

[main] DEBUG java.sql.Connection - {conn-100003} Preparing
Statement:           insert into uidisk_group (free_capacity,
logical_capacity, name)     values (?, ?, ?)
[main] DEBUG java.sql.PreparedStatement - {pstm-100004} Executing
Statement:           insert into uidisk_group ( free_capacity,
logical_capacity, name)     values (?, ?, ?)
[main] DEBUG java.sql.PreparedStatement - {pstm-100004} Parameters: ['100',
null, null]
[main] DEBUG java.sql.PreparedStatement - {pstm-100004} Types: [
java.lang.String, null, null]
[main] DEBUG java.sql.Connection - {conn-100003} Preparing Statement:
SELECT SCOPE_IDENTITY()
[main] DEBUG java.sql.PreparedStatement - {pstm-100005} Executing
Statement:        SELECT SCOPE_IDENTITY()
[main] DEBUG java.sql.PreparedStatement - {pstm-100005} Parameters: []
[main] DEBUG java.sql.PreparedStatement - {pstm-100005} Types: []
[main] DEBUG java.sql.ResultSet - {rset-100006} ResultSet
[main] DEBUG java.sql.ResultSet - {rset-100006} Header: []
[main] DEBUG java.sql.ResultSet - {rset-100006} Result: [0]
[main] DEBUG com.ibatis.common.jdbc.SimpleDataSource - Returned connection
18751079 to pool.


On 24/04/07, Larry Meadors <lmeadors@apache.org> wrote:
>
> Hm, that should work - have you run the queries from another
> jdbc-based sql tool to see what you get?
>
> Larry
>
>
> On 4/24/07, Fearghal O Maolcatha <fearghal.omaolcatha@gmail.com> wrote:
> > I'm using <insert/> elements that have been generated by Abator. I'm
> also
> > using Abator to generate the DAOs. So basically I'm calling
> > someDAO.insert(<objectToInsert>);
> > I've included the insert element from the Ibatis SQL mapping file below:
> >
> >   <insert id="abatorgenerated_insert" parameterClass="MyClass">
> >     <!--
> >       WARNING - This element is automatically generated by Abator for
> > iBATIS, do not modify.
> >       This element was generated on Tue Apr 24 11:36:48 BST 2007.
> >     -->
> >     insert into uidisk_group (free_capacity, logical_capacity, name)
> >     values (#freeCapacity:NUMERIC#, #logicalCapacity:NUMERIC#,
> >       #name:VARCHAR#)
> >     <selectKey keyProperty="diskgrpId" resultClass=" java.lang.Integer">
> >       SELECT  SCOPE_IDENTITY()
> >     </selectKey>
> >   </insert>
> >
> >
> >
> >
> > On 24/04/07, Larry Meadors <lmeadors@apache.org> wrote:
> > > Are you using <insert/ > elements and calling insert() to execute
> them?
> > >
> > > Larry
> > >
> > >
> > > On 4/24/07, Fearghal O Maolcatha < fearghal.omaolcatha@gmail.com>
> wrote:
> > > > I tried it with the latest driver from JTDS but still having the
> same
> > > > problem. I've included the beginning of my SqlMapConfig.xml file
> below.
> > Is
> > > > there anything extra I need to set to get this to work?
> > > >
> > > >
> > > >
> > > > <settings useStatementNamespaces="true" />
> > > >
> > > >
> > > >
> > > > <!-- Configure a built-in transaction manager. If you're using an
> > > >
> > > > app server, you probably want to use its transaction manager
> > > >
> > > > and a managed datasource -->
> > > >
> > > > <transactionManager type="JDBC" commitRequired="false">
> > > >
> > > > <dataSource type="SIMPLE">
> > > >
> > > > <property name="JDBC.Driver"
> > > > value="net.sourceforge.jtds.jdbc.Driver"/>
> > > >
> > > > <property name=" JDBC.ConnectionURL"
> > > > value="jdbc:jtds:sqlserver://localhost:3470/NSD_DB;"/>
> > > >
> > > > <property name="JDBC.Username" value="sa"/>
> > > >
> > > > <property name=" JDBC.Password" value="********"/>
> > > >
> > > > </dataSource>
> > > >
> > > > </transactionManager>
> > > >
> > > >
> > > >
> > > > On 24/04/07, Larry Meadors < lmeadors@apache.org> wrote:
> > > > > Is that the M$ driver? I'd try JTDS and see if it works any
> better.
> > > > >
> > > > > http://jtds.sourceforge.net/
> > > > >
> > > > > Larry
> > > > >
> > > > >
> > > > > On 4/24/07, Fearghal O Maolcatha <fearghal.omaolcatha@gmail.com>
> > wrote:
> > > > > >
> > > > > >
> > > > > > Hi,
> > > > > >
> > > > > > I'm currently using Abator to generate the model, sql maps and
> DAOs
> > for
> > > > my
> > > > > > SQL Server 2005 Express database. I have a number of tables
that
> > have
> > > > > > autogenerated keys and abator is adding the following xml for
> each
> > of
> > > > these
> > > > > > keys for the inserts in the sql mapping files:
> > > > > >
> > > > > > <selectKey keyProperty="<beanId>" resultClass="
> java.lang.Integer">
> > > > > >
> > > > > > SELECT SCOPE_IDENTITY()
> > > > > >
> > > > > > </selectKey>
> > > > > >
> > > > > > However when I try to use the autogenerated 'insert()' method
of
> the
> > > > DAO, it
> > > > > > does not return the generated key and the java bean passed as
> > argument
> > > > > > doesn't have it's id property updated. I've verified that a
row
> is
> > being
> > > > > > inserted in the database the the 'insert()' method of the DAO
is
> > called
> > > > but
> > > > > > the <selectKey> part of the insert doesn't seem to be
working. I
> had
> > a
> > > > look
> > > > > > at previous threads and some had said that they were using the
> jtds
> > jdbc
> > > > > > driver so I had swiched to jtds-1.2 (I'm currently using the
MS
> SQL
> > > > Server
> > > > > > 2005 JDBC driver, sqljdbc_1.1) but I still encountered the same
> > problem.
> > > > I
> > > > > > can get the <selectKey> to work by replacing 'SCOPE_IDENTITY()'
> with
> > > > > > '@@IDENTITY AS' but would prefer not to have to alter the
> generated
> > xml
> > > > and
> > > > > > I think it is recommended not to use this as there can be
> problems
> > if DB
> > > > > > triggers are in use.
> > > > > >
> > > > > > I'm using JDK6, sqljdbc_1.1 as the JDBC driver, Ibatis-2.3.0.677and
> > SQL
> > > > > > Server Express 2005.
> > > > > >
> > > > > > Any help or suggestions on how to rectify the problem would
be
> > > > appreciated.
> > > > > >
> > > > > > Regards,
> > > > > >
> > > > > > Fearghal.
> > > > >
> > > >
> > > >
> > >
> >
> >
>

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