Sql query, from xml to nested table

Hello!
I have DB table: my_table
It has 2 fields: file_id and file_data (it's clob with xml)
I need to write query that returns info from xml using nested table (Oracle v.9)
The number of rows witch will return query must be equal to number of files (file_id)
Structure of XML:
<?xml version = "1.0" encoding = "utf-8"?>
<head>
<AAA v1="a" v2="b">
<BBB p1="1" p2="2"/>
<BBB p1="3" p2="4"/>
</AAA>
<AAA v1="c" v2="d">
<BBB p1="5" p2="6"/>
<BBB p1="7" p2="8"/>
<BBB p1="9" p2="0"/>
</AAA>
</head>
I have query, witch works! but not optimally! each CLOB scaned 3 times - I want to scan it once!
SELECT an.file_id,
CAST(MULTISET(SELECT extract(VALUE(val2),'//@v1').getStringVal() v1,
extract(VALUE(val2),'//@v2').getStringVal() v2,
CAST(MULTISET(SELECT extract(VALUE(val3),'//@p1').getStringVal() p1,
extract(VALUE(val3),'//@p2').getStringVal() p2,
FROM TABLE (XMLSEQUENCE(XMLTYPE(an.file_data).EXTRACT('/head/AAA/BBB[../@v1='||extract(VALUE(val2),'//@v1').getStringVal()||']'))) val3) AS T_VAL3) info
FROM TABLE (XMLSEQUENCE(XMLTYPE(an.file_data).EXTRACT('/head/AAA'))) val2) AS T_VAL2) head
FROM (SELECT olr.*
FROM my_table olr,
TABLE (XMLSEQUENCE(XMLTYPE(file_data)).EXTRACT('/head'))) val1) an
PLEASE, help me to rewrite this query!

I assume you're using nested objects like these to hold the result?
create type t_val3_rec as object ( p1 number, p2 number );
create type t_val3 as table of t_val3_rec;
create type t_val2_rec as object ( v1 varchar2(30), v2 varchar2(30), c1 t_val3 );
create type t_val2 as table of t_val2_rec;
/then this query should work :
SELECT t.file_id
     , CAST(
         MULTISET(
           SELECT extractvalue(value(x1), '/AAA/@v1')
                , extractvalue(value(x1), '/AAA/@v2')
                , CAST(
                    MULTISET(
                      SELECT extractvalue(value(x2), '/BBB/@p1')
                           , extractvalue(value(x2), '/BBB/@p2')
                      FROM TABLE(XMLSequence(extract(value(x1), '/AAA/BBB'))) x2
                    AS t_val3
           FROM TABLE(XMLSequence(extract(value(x), '/head/AAA'))) x1
         AS t_val2
FROM my_table t
   , TABLE(XMLSequence(extract(xmltype(t.file_data), '/head'))) x
;

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Oracle error ORA-22905: cannot access rows from a non-nested table item
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proc (
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OUT SYS_REFCURSOR
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SY.

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Dear Experts
I have an SP which gives error " cannot access rows from a non-nested table item ". But here the strange thing is, it works fine with one query. But I write union query with another table, only then it gives error.
CREATE OR REPLACE PROCEDURE SP_MONTHLYSALESUMMARY (
P_TRANSACTIONMONTH VARCHAR2,
P_LEDGERID VARCHAR2,
O_RESULTSET OUT TYPES.CURSORTYPE)
AS
BEGIN
OPEN O_RESULTSET FOR
-- POINT OF SALE
SELECT
L.DESCRIPTION LEDGERNAME,
LS.DESCRIPTION LEDGERSUBGROUPNAME,
C.CORPORATENO
|| E.EMPLOYEENO
|| AF.AFFILIATEMEMBERNO
|| M.MEMBERNO
AS ID,
C.NAME || E.NAME || AF.NAME || M.NAME AS NAME,
SUM(CASE
WHEN PB.EMPLOYEE_ID IS NOT NULL
AND T.ISCREDITTRANSACTIONMODE = 2
THEN
PB.TAXAMOUNT
ELSE
0
END)
EMPLOYEEDEBITCARDTAXAMOUNT,
L.PRINTNO
FROM POINTOFSALEBILL PB
INNER JOIN POINTOFSALEBILLDETAIL PD
ON PB.POINTOFSALEBILL_ID = PD.POINTOFSALEBILL_ID
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ON TY.TRANSACTIONTYPE_ID = PB.TRANSACTIONTYPE_ID
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ON T.TRANSACTIONMODE_ID = PB.TRANSACTIONMODE_ID
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ON L.LEDGER_ID = PD.LEDGER_ID
INNER JOIN LEDGERSUBGROUP LS
ON LS.LEDGERSUBGROUP_ID = L.LEDGERSUBGROUP_ID
LEFT JOIN CORPORATE C
ON C.CORPORATE_ID = PB.CORPORATE_ID
LEFT JOIN EMPLOYEE E
ON E.EMPLOYEE_ID = PB.EMPLOYEE_ID
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ON AF.AFFILIATEMEMBER_ID = PB.AFFILIATEMEMBER_ID
LEFT JOIN MEMBER M
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WHERE TY.ISDEBIT = 1 AND PB.FLAG = 0 AND T.ISROOMNO = 2
AND (P_TRANSACTIONMONTH IS NULL
OR P_TRANSACTIONMONTH =
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AND (P_LEDGERID IS NULL
OR L.LEDGER_ID IN
( (SELECT COLUMN_VALUE
FROM TABLE(GET_ROWS_FROM_LIST1 (
P_LEDGERID,
GROUP BY L.DESCRIPTION,
LS.DESCRIPTION,
C.CORPORATENO
|| E.EMPLOYEENO
|| AF.AFFILIATEMEMBERNO
|| M.MEMBERNO,
C.NAME || E.NAME || AF.NAME || M.NAME,
L.PRINTNO;
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REATE OR REPLACE FUNCTION BCLUB1868.GET_ROWS_FROM_LIST1
(L IN LONG DEFAULT NULL, SEP IN VARCHAR2 DEFAULT ',')
RETURN MYVARCHARTABLE1 PIPELINED
AS
L_POS INT := 1;
L_NEXT INT;
L_PART VARCHAR(500);
BEGIN
SELECT INSTR( L, SEP, L_POS) INTO L_NEXT FROM DUAL;
WHILE (L_NEXT>0)
LOOP
SELECT SUBSTR(L, L_POS, L_NEXT - L_POS) INTO L_PART FROM DUAL;
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SELECT L_NEXT + 1, INSTR( L, SEP, L_POS)
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Request help from you all experts in the forum

Here it is
CREATE OR REPLACE PROCEDURE SP_GRCS (
P_TRANSACTIONMONTH VARCHAR2,
P_LEDGERID VARCHAR2,
O_RESULTSET OUT TYPES.CURSORTYPE)
AS
BEGIN
OPEN O_RESULTSET FOR
-- Point of sale
SELECT *
FROM ( SELECT L.DESCRIPTION LEDGERNAME,
LS.DESCRIPTION LEDGERSUBGROUPNAME,
C.CORPORATENO
|| E.EMPLOYEENO
|| AF.AFFILIATEMEMBERNO
|| M.MEMBERNO
AS ID,
C.NAME || E.NAME || AF.NAME || M.NAME AS NAME,
SUM(CASE
WHEN PB.EMPLOYEE_ID IS NULL
AND T.ISCREDITTRANSACTIONMODE = 1
THEN
PB.BILLAMOUNT
ELSE
0
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MEMBERDEBITAMOUNT,
L.PRINTNO
FROM POINTOFSALEBILL PB
INNER JOIN POINTOFSALEBILLDETAIL PD
ON PB.POINTOFSALEBILL_ID = PD.POINTOFSALEBILL_ID
INNER JOIN TRANSACTIONTYPE TY
ON TY.TRANSACTIONTYPE_ID = PB.TRANSACTIONTYPE_ID
INNER JOIN TRANSACTIONMODE T
ON T.TRANSACTIONMODE_ID = PB.TRANSACTIONMODE_ID
INNER JOIN LEDGER L
ON L.LEDGER_ID = PD.LEDGER_ID
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ON LS.LEDGERSUBGROUP_ID = L.LEDGERSUBGROUP_ID
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ON C.CORPORATE_ID = PB.CORPORATE_ID
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ON AF.AFFILIATEMEMBER_ID = PB.AFFILIATEMEMBER_ID
LEFT JOIN MEMBER M
ON M.MEMBER_ID = PB.MEMBER_ID
WHERE TY.ISDEBIT = 1 AND PB.FLAG = 0 AND T.ISROOMNO = 2
AND (P_TRANSACTIONMONTH IS NULL
OR P_TRANSACTIONMONTH =
TO_CHAR (PB.BILLDATE, 'fmMONTH-YYYY'))
AND (P_LEDGERID IS NULL
OR L.LEDGER_ID IN
( (SELECT COLUMN_VALUE
FROM TABLE(GET_ROWS_FROM_LIST1 (
P_LEDGERID,
GROUP BY L.DESCRIPTION,
LS.DESCRIPTION,
C.CORPORATENO
|| E.EMPLOYEENO
|| AF.AFFILIATEMEMBERNO
|| M.MEMBERNO,
C.NAME || E.NAME || AF.NAME || M.NAME,
L.PRINTNO
UNION ALL
-- Guest Registration
SELECT L.DESCRIPTION LEDGERNAME,
LS.DESCRIPTION LEDGERSUBGROUPNAME,
C.CORPORATENO
|| E.EMPLOYEENO
|| AF.AFFILIATEMEMBERNO
|| M.MEMBERNO
AS ID,
C.NAME || E.NAME || AF.NAME || M.NAME AS NAME,
SUM(CASE
WHEN PB.EMPLOYEE_ID IS NULL
AND T.ISCREDITTRANSACTIONMODE = 1
THEN
PB.BILLAMOUNT
ELSE
0
END)
MEMBERDEBITAMOUNT,
L.PRINTNO
FROM GUESTREGISTRATION PB
INNER JOIN GUESTREGISTRATIONDETAIL PD
ON PB.GUESTREGISTRATION_ID = PD.GUESTREGISTRATION_ID
INNER JOIN TRANSACTIONTYPE TY
ON TY.TRANSACTIONTYPE_ID = PB.TRANSACTIONTYPE_ID
INNER JOIN TRANSACTIONMODE T
ON T.TRANSACTIONMODE_ID = PB.TRANSACTIONMODE_ID
INNER JOIN LEDGER L
ON L.LEDGER_ID = PD.LEDGER_ID
INNER JOIN LEDGERSUBGROUP LS
ON LS.LEDGERSUBGROUP_ID = L.LEDGERSUBGROUP_ID
LEFT JOIN CORPORATE C
ON C.CORPORATE_ID = PB.CORPORATE_ID
LEFT JOIN EMPLOYEE E
ON E.EMPLOYEE_ID = PB.EMPLOYEE_ID
LEFT JOIN AFFILIATEMEMBER AF
ON AF.AFFILIATEMEMBER_ID = PB.AFFILIATEMEMBER_ID
LEFT JOIN MEMBER M
ON M.MEMBER_ID = PB.MEMBER_ID
WHERE TY.ISDEBIT = 1 AND PB.FLAG = 0 AND T.ISROOMNO = 2
AND (P_TRANSACTIONMONTH IS NULL
OR P_TRANSACTIONMONTH =
TO_CHAR (PB.BILLDATE, 'fmMONTH-YYYY'))
AND (P_LEDGERID IS NULL
OR L.LEDGER_ID IN
( (SELECT COLUMN_VALUE
FROM TABLE(GET_ROWS_FROM_LIST1 (
P_LEDGERID,
GROUP BY L.DESCRIPTION,
LS.DESCRIPTION,
C.CORPORATENO
|| E.EMPLOYEENO
|| AF.AFFILIATEMEMBERNO
|| M.MEMBERNO,
C.NAME || E.NAME || AF.NAME || M.NAME,
L.PRINTNO)
ORDER BY PRINTNO;
END SP_GRCS;
I have even tried adding L.Ledger_ID in select statement.

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JSP Servlet and convert the result set of an SQL Query To XML file

Hi all
I have a problem to export my SQL query is resulty into an XML file I had fixed my servlet and JSP so that i can display all the records into my database and that the goal .Now I want to get the result set into JSP so that i can create an XML file from that result set from the jsp code.
thisis my servlet which will call the jsp page and the jsp just behind it.
//this is the servlet
import java.io.*;
import java.lang.reflect.Array;
import java.sql.*;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.naming.*;
import javax.sql.*;
public *class *Campaign *extends *HttpServlet
*private* *final* *static* Logger +log+ = Logger.+getLogger+(Campaign.*class*.getName());
*private* *final* *static* String +DATASOURCE_NAME+ = "jdbc/SampleDB";
*private* DataSource _dataSource;
*public* *void* setDataSource(DataSource dataSource)
_dataSource = dataSource;
*public* DataSource getDataSource()
*return* _dataSource;
*public* *void* init()
*throws* ServletException
*if* (_dataSource == *null*) {
*try* {
Context env = (Context) *new* InitialContext().lookup("java:comp/env");
_dataSource = (DataSource) env.lookup(+DATASOURCE_NAME+);
*if* (_dataSource == *null*)
*throw* *new* ServletException("`" + +DATASOURCE_NAME+ + "' is an unknown DataSource");
} *catch* (NamingException e) {
*throw* *new* ServletException(e);
protected *void *doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
Connection conn = *null*;
*try* {
conn = getDataSource().getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("select post_id,comments,postname from app.posts");
// out.println("Le résultat :<br>");
ArrayList <String> Lescomments= *new* ArrayList<String>();
ArrayList <String> Lesidentifiant = *new* ArrayList<String>();
ArrayList <String> Lesnoms = *new* ArrayList <String>();
*while* (rs.next()) {
Lescomments.add(rs.getString("comments"));
request.setAttribute("comments",Lescomments);
Lesidentifiant.add(rs.getString("post_id"));
request.setAttribute("id",Lesidentifiant);
Lesnoms.add(rs.getString("postname"));
request.setAttribute("nom",Lesnoms);
rs.close();
stmt.close();
*catch* (SQLException e) {
*finally* {
*try* {
*if* (conn != *null*)
conn.close();
*catch* (SQLException e) {
// les paramètres sont corrects - on envoie la page réponse
getServletContext().getRequestDispatcher("/Campaign.jsp").forward(request,response);
}///end of servlet
}///this is the jsp page called
<%@ page import="java.util.ArrayList" %>
<%
// on récupère les données
ArrayList nom=(ArrayList)request.getAttribute("nom");
ArrayList id=(ArrayList)request.getAttribute("id");
ArrayList comments=(ArrayList) request.getAttribute("comments");
%>
<html>
<head>
<title></title>
</head>
<body>
Liste des campagnes here i will create the xml file the problem is to display all rows
<hr>
<table>
<tr>
</tr>
<tr>
<td>Comment</td>
<td>
<%
for( int i=0;i<comments.size();i++){
out.print("<li>" + (String) comments.get(i) + "</li>\n");
}//for
%>
</tr>
<tr>
<td>nom</td>
<td>
<%
for( int i=0;i<nom.size();i++){
out.print("<li>" + (String) nom.get(i) + "</li>\n");
}//for
%>
</tr>
<tr>
<td>id</td>
<td>
<%
for( int i=0;i<id.size();i++){
out.print("<li>" + (String) id.get(i) + "</li>\n");
}//for
%>
</tr>
</table>
</body>
</html>
This is how i used to create an XML file in a JSP page only without JSP/SERVLET concept:
<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<%
// Identify a carriage return character for each output line
int iLf = 10;
char cLf = (*char*)iLf;
// Create a new empty binary file, which will content XML output
File outputFile = *new* File("C:\\Users\\user\\workspace1\\demo\\WebContent\\YourFileName.xml");
//outputFile.createNewFile();
FileWriter outfile = *new* FileWriter(outputFile);
// the header for XML file
outfile.write("<?xml version='1.0' encoding='ISO-8859-1'?>"+cLf);
try {
// Define connection string and make a connection to database
Connection conn = DriverManager.getConnection("jdbc:derby://localhost:1527/SAMPLE","app","app");
Statement stat = conn.createStatement();
// Create a recordset
ResultSet rset = stat.executeQuery("Select * From posts");
// Expecting at least one record
*if*( !rset.next() ) {
*throw* *new* IllegalArgumentException("No data found for the posts table");
outfile.write("<Table>"+cLf);
// Parse our recordset
// Parse our recordset
*while*(rset.next()) {
outfile.write("<posts>"+cLf);
outfile.write("<postname>" + rset.getString("postname") +"</postname>"+cLf);
outfile.write("<comments>" + rset.getString("comments") +"</comments>"+cLf);
outfile.write("</posts>"+cLf);
outfile.write("</Table>"+cLf);
// Everything must be closed
rset.close();
stat.close();
conn.close();
outfile.close();
catch( Exception er ) {
%>

Please state your problem that you are having more clearly so we can help.
I looked at your code I here are a few things you might consider:
It looks like you are putting freely typed-in comments from end-users into an xml document.
The problem with this is that the user may enter characters in his text that have special meaning
to xml and will have to be escaped correctly. Some of these characters are less than character, greater than character and ampersand character.
You may also have a similiar problem displaying them on your JSP page since there may be special characters that JSP has.
You will have to read up on how to deal with these special characters (I dont remember what the rules are). I seem to recall
if you use CDATA in your xml, you dont have to deal with those characters (I may be wrong).
When you finish writing your code, test it by entering all keyboard characters to make sure they are processed, stored in the database,
and re-displayed correctly.
Also, it looks like you are putting business logic in your JSP page (creating an xml file).
The JSP page is for displaying data ONLY and submitting back to a servlet. Put all your business logic in the servlet. Putting business logic in JSP is considered bad coding and will cause you many hours of headache trying to debug it. Also note: java scriptlets in a JSP page are only run when the JSP page is compiled into a servlet by java. It does not run after its compiled and therefore you cant call java functions after the JSP page is displayed to the client.

How to run a sql query from a button in apex 3.0

Hi,
I am brand new and went through/installed the obe project tracker. I have need to create a simple application that displays a result (2 fields, name and license number) based on two parameters (dob and login id) which all are stored in 1 table in the database. I could this very simply in VB or VB.net but have no idea how to do it in apex.
Please provide guidance,
Thank you,
Tom

Hi Tom,
Sounds like a report region will satisfy your requirements.
Create a new report region on one of your pages.
Choose SQL Report and give the region a title.
When you get to the "Enter SQL Query or PL/SQL function returning a SQL Query:" step, type:
SELECT name, license_number
FROM <insert_your_table_name_here>
WHERE dob = :P<n>_dob
AND login_id = :P<n>loginid(replace <n> with the page number that the region is on and use your own table name).
Don't try to run the page yet - it will give 'No data found'
Now, go back to the Page Definition screen and add two items in the region you just created - call them P<n>dob and P<n>login_id
Then, create a button in the same region (to be displayed amongst the region's items) - call it P<n>_GO and click 'Create' (take all the other defaults).
Now you can run the page, put some values into the fields and click go.
If you want to get fancier, you can change the text items to select lists etc. - let us know if you need help with that.
Hope this helps,
Bryan.

Sql query, from xml to nested table

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