generated writing XML to a file after comparing with other XML

Hello

I made the comparison of the two XML now, I have an obligation to concat these two xml but also necessary to add the XML code with a status node that is after comparing the two displayed XML is Y or N, so if it is there then a node with

< status > Y < / status >

< of table > t1 < / table >

then by completing the tasks that I have to write to a file

declare

p_emp_info CLOB.

l_emp_tab xmlsequencetype: = xmlsequencetype();

BEGIN

I'm IN (SELECT id from emp WHERE emp_name = 'ABC') LOOP

l_emp_tab.extend;

SELECT XMLELEMENT ("ABCD",

XmlElement ("ID", i.ID))

IN l_emp_tab (i)

FROM dual;

END LOOP;

SELECT XMLELEMENT ("EMP"

XMLAGG (t.column_value))

IN p_emp_info

TABLE (l_emp_tab) t;

-Dbms_Output.put_line (getclobval (1,2));

EXCEPTION

WHILE OTHERS THEN

Dbms_Output.put_line(SQLCODE||) SQLERRM);

END;

I'm using this query, but it gives me an error that the expression is of the wrong type on this line {IN l_emp_tab (I)}

I am unable to find the error what I'm missing here!

You have changed the data type of I the example that Odie that gave you in

repeating nodes using loop but when XML string concating then concating only last iteration of the loop FOr?

In his case, I was a number. In your code above, I have now is the set of rows in a cursor.

You can rewrite your version to look like

declare
  p_emp_info     XMLTYPE;
  l_emp_tab      xmlsequencetype := xmlsequencetype();
  l_pos          PLS_INTEGER;

  CURSOR c_info IS
    SELECT id
      from emp
     WHERE emp_name='ABC';

BEGIN

  FOR r_info IN c_info LOOP
    l_emp_tab.extend;
    l_pos := c_info%ROWCOUNT;
    SELECT XMLELEMENT("ABCD",
           XMLELEMENT("id",r_info.id))
      INTO l_emp_tab(l_pos)
      FROM dual;
  END LOOP;
  SELECT XMLELEMENT("EMP"
                       ,XMLAGG(t.column_value))
    INTO p_emp_info
    FROM TABLE(l_emp_tab) t;

  --Dbms_Output.put_line(p_emp_info.getclobval());
END ;

You can use the % c_info number of LINES in the INTO clause, hence the l_pos.

Or you can rewrite to be

declare
  p_emp_info   XMLTYPE;
  l_clob       CLOB;
BEGIN

  SELECT XMLElement("EMP",
           XMLAgg(XMLElement("ABCD",
                    XMLElement("id",e.id))))
    INTO p_emp_info
    FROM emp e
   WHERE emp_name = 'ABC';

  SELECT XMLSERIALIZE(DOCUMENT p_emp_info AS CLOB)
    INTO l_clob
    FROM DUAL;

  Dbms_Output.put_line(l_clob);
END;

Both produce the same XML file.

Tags: Oracle Development

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One possible way is to use the XML features to create your XML file.
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Here is an example of the use of schema SCOTT:

SQL> select xmlelement(
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  6                , xmlforest(
  7                     d.deptno as "ID"
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THE_XML
--------------------------------------------------------------------------------
10ACCOUNTINGhttp://the.server

The output is an XMLTYPE column (think of it as a CLOB with addition of feature ;-))
My SQL * PLUS the output of cuts, but believe me, it's all there.
Just to show, here is the same example, wrapped in a function XMLSERIALIZE to print the XML file:

SQL> select xmlserialize(
  2            content
  3            xmlelement(
  4               "ROWSET"
  5             , xmlagg(
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--------------------------------------------------------------------------------

  
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I do not know APEX, so I don't know if APEX supports exposing an already built piece of XML, rather than expose a query result.
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