1.從www.postgresql.org下載最新的postgresql-snapshot.tar.gz,antfromapache;

　　2.settingant_home

　　3.../configure--with-java;make;makeinstall

　　function和java代碼參考了jdbc.postgresql.orgmailinglist里面的內容.　

createtableusers(idint,namevarchar(32));
createorreplacefunctionsp_users_select()returnsrefcursor
　　as'
declarerefrefcursor;
begin　
openrefforselect*fromusers;
returnref;
end;
'languageplpgsql;
importjava.lang.*;
importjava.sql.*;
publicclasspc
{
publicstaticvoidmain(string[]args)
throwsexception
{
stringdriver ="org.postgresql.driver";
stringurl ="jdbc:postgresql://localhost:5432/nop";
stringuser ="nop";
stringpasswd ="nop";
class.forname(driver);
connectionconn =drivermanager.getconnection(url,user,passwd);
conn.setautocommit(false);//returnrefcursormustwithinatransaction
callablestatementproc=conn.preparecall("{?=callsp_users_select()}");
proc.registeroutparameter(1,types.other);
proc.execute();　
resultsetresult=(resultset)proc.getobject(1);
system.out.println(result);　
while(result.next())　
{　
system.err.println("name:"+result.getstring(2));　
}　
conn.commit();
}
}