sys. HTP. Print empty?, for the sample GET empsecformat requests / {empname}

Hello

What could be wrong with my setup because I do not result in the tester of SQL Services Restful workshops?

in Glassfish application server.

With CLARKE the GET empsecformat gives nothing in the tester of Restful SQLWorkshops Services:

If I test the script and make prints of debugging, with bind CLARKE.

DECLARE
  prevdeptno   number;
  deptloc      varchar2(30);
  deptname     varchar2(30);
  v_out        varchar2(4000);
     
  CURSOR getemps IS select * from emp 
                     where ((select job from emp where ename = :empname)  IN ('PRESIDENT', 'MANAGER')) 
                        or deptno = (select deptno from emp where ename = :empname) 
                     order by deptno, ename;
BEGIN
--  sys.htp.htmlopen;
--  sys.htp.headopen;
--  sys.htp.title('Departments');
--  sys.htp.headclose;
--  sys.htp.bodyopen;

  v_out := '============== test ws script =====================';
  dbms_output.put_line(a => v_out);

  for emprecs in getemps
  loop

      if emprecs.deptno != prevdeptno or prevdeptno is null then
          select dname, loc into deptname, deptloc 
            from dept where deptno = (select deptno from emp where ename = emprecs.ename);
          if prevdeptno is not null then
--              sys.htp.print('</ul>');
                v_out := prevdeptno||': prevdeptno is not null ';
                dbms_output.put_line(a => v_out);
          end if;
          
            v_out := 'Department deptname: '||deptname||' located in deptloc: '||deptloc;
            dbms_output.put_line(a => v_out);
--          sys.htp.print('Department ' || deptname || ' located in ' || deptloc || '<p/>');
--          sys.htp.print('<ul>');
      end if;

--      sys.htp.print('<li>' || emprecs.ename || ', ' || emprecs.job || ', ' || emprecs.sal || '</li>');
            v_out := 'emprecs.ename: '||emprecs.ename||' emprecs.job: '||emprecs.job||' emprecs.sal: '||emprecs.sal;
            dbms_output.put_line(a => v_out);

      prevdeptno := emprecs.deptno;

  end loop;
--  sys.htp.print('</ul>');
--  sys.htp.bodyclose;
--  sys.htp.htmlclose;
END;

I see that it returns the following:

= ws test script =.

Deptname Department: ACCOUNTING located in deptloc: NEW YORK

emprecs. Ename: emprecs.job CLARK: emprecs.sal MANAGER: 2450

emprecs. Ename: KING emprecs.job: emprecs.sal PRESIDENT: 5000

emprecs. Ename: emprecs.job MILLER: emprecs.sal CLERK: 1300

10: prevdeptno is not null

Deptname Department: located in deptloc RESEARCH: DALLAS

emprecs. Ename: emprecs.job ADAMS: CLERK emprecs.sal: 1100

emprecs. Ename: FORD emprecs.job: ANALYST emprecs.sal: 3000

emprecs. Ename: emprecs.job JONES: MANAGER emprecs.sal: 2975

emprecs. Ename: SCOTT emprecs.job: ANALYST emprecs.sal: 3000

emprecs. Ename: emprecs.job SMITH: CLERK emprecs.sal: 800

20: prevdeptno is not null

Deptname Department: SALES located in deptloc: CHICAGO

emprecs. Ename: ALLEN emprecs.job: emprecs.sal VENDOR: 1600

emprecs. Ename: emprecs.job BLAKE: MANAGER emprecs.sal: 2850

emprecs. Ename: JAMES emprecs.job: CLERK emprecs.sal: 950

emprecs. Ename: MARTIN emprecs.job: emprecs.sal VENDOR: 1250

emprecs. Ename: emprecs.job TURNER: emprecs.sal VENDOR: 1500

emprecs. Ename: emprecs.job WARD: emprecs.sal VENDOR: 1250

emprecs. Ename: emprecs.job of emily: emprecs.sal VENDOR: 222

= ws test script =.

With bind values return nothing I get ERROR 500 tests.

Rgrds Paavo

The problem here is that the query is not designed to handle the case where more than one employee sharing the same value of ENAME. In the sample data that comes with the Application Express, there is no name used twice, so the problem does not occur, but it's easy when playing with the data to add a duplicate and then name that breaks queries in the service who assume a single result is possible and that's why the error message. This was the case in my own work space.

I had to delete the EMP and DEPT tables and then perform the SQL workshop | RESTful services | Reset the sample data to restore the original data set, and then the service works as expected:

https://Apex.Oracle.com/pls/Apex/RestEasy/HR/empsecformat/Clark

Tags: Database

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