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RE: IBM SP example (was How can I find out what JAR file has a class?)



fixed

Okay, Buck.  I get it.  You're trying to write a stored procedure in
Java.  I thought you were trying to access the database using JDBC from
a java program.  That was what I sent you the URLs for.

This is something else.

Gary

> -----Original Message-----
> From: java400-l-admin@midrange.com
> [mailto:java400-l-admin@midrange.com] On Behalf Of Buck Calabro
> Sent: Tuesday, August 13, 2002 12:04 PM
> To: java400-l@midrange.com
> Subject: IBM SP example (was How can I find out what JAR file
> has a class?)
>
>
> >Sorry, I've never heard of the StoredProcedure class.
>
> Don't sweat it my friend.  It's all new and kinky to me.  I
> also misspelt it.  It's StoredProc, not that it matters.
> Prowling through db2_classes shows there's no 'Stored'
> anything in there.
>
> >What is it's fully qualified name (with the package).
> >Where did you find out about this class.  I don't think
> >there is such a thing in standard JDBC.
>
> Beats me if it's standard JDBC or not.
> SQL Concepts, V5R1 pp 158-161, Considerations for SP's
> written in Java. Especially the section on DB2GENERAL
> parameter style.  The following is copy/pasted directly from
> that manual.
>
> o The class which defines a Java stored procedure
>   must ?extend?, or be a subclass of, the Java
>   com.ibm.db2.app.StoredProc class.
> o The Java method must be a public void instance method.
> o The parameters of the Java method must be
>   SQL-compatible types.
> o A Java method may test for a SQL NULL value
>   using the isNull( ) method.
> o The Java method must explicitly set the return
>   parameters using the set( ) method.
> o The Java method may access the current database
>   using the getConnection ( ) method.
> o The compiled class file must reside in the
>   /QIBM/UserData/OS400/SQLLib/Function directory.
>
> package mystuff;
>
> import com.ibm.db2.app.*;
> import java.sql.*;
>
> public class sample2 extends StoredProc {
>   public void donut(String query, int rowCount,
>     String sqlstate) throws Exception {
>   try {
>     Statement s=getConnection().createStatement();
>     ResultSet r=s.executeQuery(query);
>     int counter=0;
>     while(r.next()){
>       counter++;
>     }
>     r.close(); s.close();
>     set(2, counter);
>     }catch(SQLException x){
>     set(3, x.getSQLState());
>     }
>   }
> }
>
>   --buck







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