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* IBM DB2 Data Provider
<ul>
<li>ADO.NET Data Provider for <a href="http://www-3.ibm.com/software/data/db2/">IBM DB2 Universal Database</a></li>
<li>Exists in namespace DB2ClientCS and assembly Mono.Data.DB2Client</li>
<li>The source code exists at mcs/class/Mono.Data.DB2Client</li>
<li>Requires the Call Level Interface to IBM DB2 shared library. This
is db2cli.dll on Windows. The IBM DB2 CLI API is very similar to the ODBC API. If
you take a look at Mono's <a href="http://www.go-mono.com/odbc.html">System.Data.Odbc</a> ODBC provider, you will see the
DllImport's have similiar function names.</li>
<li>IBM DB2 Provider created by Christopher Bockner.</li>
<li>Bugs with Mono or the data provider should be reported
in Mono's Bugzilla <a href="http://bugzilla.ximian.com/">here</a>. If you
do not have Bugzilla user account, it is free
and easy to
create one <a href="http://bugzilla.ximian.com/createaccount.cgi">here</a>.</li>
</ul>
** Current Status
<ul>
<li>Compiles on Windows and Linux. Works on Windows. Still needs to be tested on Linux.</li>
<li>Able to connect to IBM DB2</li>
<li>Able to execute DML, such as, CREATE TABLE via ExecuteNonQuery()</li>
<li>Christopher says it can retrieve data via the DB2ClientDataReader</li>
</ul>
** Action Plan
<ul>
<li>Still needs work to get it to retrieve data via ExecuteReader() and
use the data reader to read data.</li>
</ul>
** Testing
In order to test.
<ul>
<li>Have working mono and mcs setup</li>
<li>Have access to an IBM DB2 database. If you do not have access, download the
<a href="http://www-3.ibm.com/software/data/db2/">IBM DB2</a> software. There
are versions for Windows, Linux, AIX, and Sun Solaris.</li>
<li>Make sure the assembly Mono.Data.DB2Client.dll was built and installed
where the other class libraries are installed.</li>
<li>If you do not have the source to mcs, get the source from
<a href="http://www.go-mono.com/download">here</a></li>
<li>Has a ConnectionString format like ODBC</li>
<li>Here is a ConnectionString format if you have a DSN setup:
<pre>
"DSN=dataSetName;UID=myuserid;PWD=mypassword"
</pre>
</li>
<li>Here is a ConnectionString format if you do not have a DSN (have not
gotten this to work though, so, I am open to suggestions):
<pre>
"DRIVER={DB2 Driver};SERVER=localhost;DATABASE=test;UID=myuserid;PASSWORD=mypassword"
</pre>
</li>
<li>In mcs/class/Mono.Data.DB2Client/Test/DBConnTest, you will find
a DBConnTest.cs.</li>
<li>To build DBConnTest:
<ul>
<li>On Unix:</li>
<pre>
mcs DBConnTest.cs -r System.Data.dll -r Mono.Data.DB2Client.dll
</pre>
</li>
<li>On Windows via Cygwin:
<pre>
mono C:/cygwin/home/MyHome/mono/install/bin/mcs.exe DBConnTest.cs \
-lib:C:/cygwin/home/MyHome/mono/install/lib \
-r System.Data.dll -r Mono.Data.DB2Client.dll
</pre>
</li>
<li>To run it on mono:
<pre>
mono DBConnTest.exe database userid password
</pre>
</li>
</ul>
</li>
<li>C# Example:
<pre>
using System;
using System.Data;
using Mono.Data.DB2Client;
public class Test
{
public static void Main(string[] args)
{
string connectionString =
"DSN=sample;UID=db2admin;PWD=mypass";
IDbConnection dbcon = new DB2ClientConnection(connectionString);
dbcon.Open();
IDbCommand dbcmd = dbcon.CreateCommand();
string sql =
"CREATE TABLE mono_db2_test1 ( " +
" testid varchar(2), " +
" testdesc varchar(16) " +
")";
dbcmd.CommandText = sql;
dbcmd.ExecuteNonQuery();
dbcmd.Dispose();
dbcmd = null;
dbcon.Close();
dbcon = null;
}
}
</pre>
</li>
<li>Building C# Example:
<ul>
<li>Save the example to a file, such as, TestExample.cs</li>
<li>Build on Linux:
<pre>
mcs TestExample.cs -r System.Data.dll \
-r Mono.Data.DB2Client.dll
</pre>
</li>
<li>Build on Windows via Cygwin:
<pre>
mono C:/cygwin/home/MyHome/mono/install/bin/mcs.exe \
TestExample.cs \
-lib:C:/cygwin/home/MyHome/mono/install/lib \
-r System.Data.dll -r Mono.Data.DB2Client.dll
</pre>
</li>
</ul>
</li>
<li>Running the Example:
<pre>
mono TestExample.exe
</pre>
</li>
</ul>
|
