Null Values(Urgent Req)

Hi Guys,
I have a date column where I use Max(Date) function...
As per the req I have changed the Date format to MMM-dd-YYYY from mm-dd-yyyy...
Now I want to display "No Date" when ever the data value is null....
I tried writing a case statement by casting the max(date) to char...but it shows MMM-dd-YYY instead of "No Date"
Case when cast(max(date) as char) IS NULL then 'No Date' Else cast(max(date) as char) end;
Can some one please let me know how this can be resolved?
Thanks in advance...

When you changed the format to CHAR in Criteria mode, a null value will display the format syntax since the column is now CHAR. So what you want now is a CASE statement that changes 'MMM-dd-YYYY' to 'No Date.'
Try writing the CASE statement like this:
CASE WHEN CAST(MAX(DATE) AS CHAR) IS 'MMM-dd-YYYY' THEN 'No Date' ELSE Max(Date) END
Tell me if this works. I'm at home and can't test it.

Similar Messages

To overcome column with null value-urgent

hai all,
when i query i get column with null value.
how to solve it?
thank in advance.
rcs
SQL> DESC SCOTT.CB1;
Name Null? Type
ID NUMBER
SUPCODE NUMBER
SUPLNAME VARCHAR2(100)
NAME VARCHAR2(100)
ITEMCODE VARCHAR2(10)
RECDOC NUMBER
RECDATE VARCHAR2(10)
TOTVALUE NUMBER
QTY NUMBER
CB_IPNO NUMBER
CB_VNNO NUMBER
CB_VDT VARCHAR2(10)
CB_AMT NUMBER
RECDOC_GR VARCHAR2(30)
RECDATE_GR DATE
SUPCODE_GR VARCHAR2(10)
TABLE LOOK LIKE THIS (NOT ALL DATA IN SAME ROW, BECUSE I INSERTED LAST 3 COLUMN VALUES):
ID     SUPCODE     SUPLNAME     NAME     ITEMCODE     RECDOC     RECDATE     TOTVALUE     QTY     CB_IPNO     CB_VNNO     CB_VDT     CB_AMT     RECDOC_GR     RECDATE_GR     SUPCODE_GR
2015               AAAA                04117     9083          10545.6     78
2016               BBBB                    04609     9087          25200     3600
2017               GGGG                    04609     9088          28175     4025
2018                                   36591371.64     2565017.27
                                                                 00001/07-08     02/04/2007     14020362
                                                                 00002/07-08     02/04/2007     14020362
                                                                 00003/07-08     02/04/2007     14010254
                                                                 00004/07-08     02/04/2007     14010254
                                                                 00005/07-08     02/04/2007     14021458
SQL> SELECT DISTINCT ID, SUPCODE_GR, NAME, ITEMCODE, RECDOC, RECDATE_GR, TOTVALUE, QTY FROM SCOTT.CB
1;
ID SUPCODE_GR
NAME
ITEMCODE RECDOC RECDATE_G TOTVALUE QTY
1
PRO.AT.ALU.POWDER UNCOATED
04609 15 51975 7425
2
PEN, GEL PEN
07969 17 154 11
ID SUPCODE_GR
I NEED RESULT AS FOLLOWS (ALL RESPECTIVE DDATA IN ONE LINE NOW NOT LIKE THAT):
ID     SUPCODE     SUPLNAME     NAME     ITEMCODE     RECDOC     RECDATE     TOTVALUE     QTY     CB_IPNO     CB_VNNO     CB_VDT     CB_AMT     RECDOC_GR     RECDATE_GR     SUPCODE_GR
2015               AAAA                04117     9083          10545.6     78                         00001/07-08     02/04/2007     14020362
============

Even accounting for the formatting, I'm not sure I even understand the question. It could be any number of different problems or non-problems.

How to check for null values in bpel?? Please Help! very urgent!!!

Hello Guys,
I have a problem. I have an external webservice to which I have to post my request. My task is to create an Webservice and Service Assembly to which others would post request and get response. I have to create SA to deploy onto the bus.
The problem is that there are optional elements in the request and response xsd's. In the Response sometimes certain feilds may come or they may not. for Example:- my response could contain a tag like this <firstName></firstName>
I have to copy these feilds in my bpel process from one variable to another.(like in the mapper).
My Question is , Is there any way in BPEL process or BPEL mapper where I could Check for null values in the request or response???
Your inputs would be very helpful.
Thanks
Rajesh

Thanks for replying man :)
Ok I will be more clear.
Here is a snippet of one of the xsd's that I am using.
<xs:element name="returnUrl" nillable="false" minOccurs="0">
                    <xs:annotation>
                         <xs:documentation>Partner specifies the return URL to which responses need to be sent to, in case of
Async message model.
</xs:documentation>
                    </xs:annotation>
                    <xs:simpleType>
                         <xs:restriction base="xs:anyURI">
                              <xs:maxLength value="300"/>
                              <xs:whiteSpace value="collapse"/>
                         </xs:restriction>
                    </xs:simpleType>
               </xs:element>
This means that the return URL field can be there or it may not be there. But if it is there it cant be null because nillable=false. But the whole <returnURL> </returnURL> can be there or it may not be there because minOccurs=0.
My requirement is , if returnURL is there in the response with a value, then in my BPEL mapper I should map it else I should not map it.
Thats the issue.
and Yes kiran, the node be non-existant.
So can you please help me with this.
Thanks
Rajesh

Do not display NULL tables/values(Urgent)

Hi,
My template consists of a parent BC and child BC fields(BIP integrated with Siebel) . I have inserted the child table inside the parent table. When there are no values in the child record i do not want the parent record to get displayed. I tried giving a condition <?if:ActivityStatus!=''?> in the child. The child table does not get displayed if there are null values but the corresponding parent record gets displayed. I tried constraining in the parent also but of no use. Any kind of help is greatly appreciated.Thanks in advance.
Regards,
Pavithra
Edited by: 856511 on May 11, 2011 5:53 AM

send your xml and rtf to [email protected]
let me check

Urgent help on null values

hi
every body
i hope some body might have faced similar problem
i have a database retrival problem and i am getting the values in the last row of the table,
But the problem is if the value stored is "NULL" my program and application hangs
can any body tell me how to handle this
thanks in advance

Hi Anilkumar
if u r trying to retrieve from database then u must be using resultset to get the data. ResultSet has a method called wasNull() which returns boolean when the last column read had a value of SQL NULL. This shud solve your problem. If u get a null value dont process that column.
-vinucon

How to eliminate explicit "null" values

Hello,
I am having a problem in eliminating the explicit "null" values while retrieving them from the database.
Here is my problem as follows,
For the optional fields in a form i am explicitly entering "null" as value or else it is throwing null pointer exception in linux. While i am trying to display the values existing in a table it is displaying fine when i use this condition
if(varialble.equals("null") ||varialble.equals("") || variable.equals(null))
varialble = "";
else
out.println(variable)
But when i use the same for the values i retrieve from the view it is displaying "Null" for the explicit "null" values and null from implicit null values.
Please help me out how to remove the explicit null values. It would be great help if somebody replies me at the earliest.
Thanks in advance
daya

the following is the code which i am using to retrieve values.
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.io.*;
import StrChk.*;
public class DataSearch extends HttpServlet
     Connection con=null;
     Statement st=null;
     ResultSet rs=null;
     ResultSetMetaData rsmd=null;
     PrintWriter out=null;
     public void doPost(HttpServletRequest req, HttpServletResponse res)
     throws IOException,ServletException
          String key;
          String sql;
          res.setContentType("text/html");
          out = res.getWriter();
          try
               Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
               con = DriverManager.getConnection("jdbc:odbc:daya","daya","daya");
               st = con.createStatement();
          catch(Exception e)
               System.out.println("Error Accessing DataBase:"+e);
          key = req.getParameter("key");
//          Search(str1.retString(key));
          Search(key);
     public void Search(String key)
          int res=0;
          boolean flag=true,found=false;
          StringTokenizer strt = new StringTokenizer(key, " ");
          String sql;
          String str1,str2;
          int i=0;
int count = strt.countTokens();
String keywords[] = new String[count+1];
          keywords=key;
          i++;
          if(count > 1)
     count++;
               while(strt.hasMoreTokens())
               keywords[i] = strt.nextToken();
                    i++;
          out.println("<html><title>DataSearch</title>");
          out.println("<script>");
          out.println("function myclose(){ self.close(); } ");
          out.println("</script><body>");
          for(i=0; i<count && flag==true; i++)
               try
          /* sql = "select ";
               sql += " nvl(\"Topic Title\",' '), ";
               sql += " nvl(\"Name\",' '), ";
               sql += " nvl(\"Title\",' '), ";
               sql += " nvl(\"Affiliation\",' '), ";
               sql += " nvl(\"Street Name\",' '), ";
               sql += " nvl(\"City\",' '), ";
               sql += " nvl(\"State\",' '), ";
               sql += " nvl(\"Country\",' '), ";
               sql += " nvl(\"Zip Code\",' '), ";
               sql += " nvl(\"Phone\",' '), ";
               sql += " nvl(\"Fax\",' '), ";
               sql += " nvl(\"eMail\",' '), ";
               sql += " nvl(\"Web Site\",' ') ";
               sql += " from SEARCHVWUSERDET where ";
               sql += " lower(\"Name\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Title\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Affiliation\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Street Name\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"City\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"State\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Country\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"eMail\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Web Site\") like " + "lower('%" + keywords[i] + "%')";*/
               sql = "select ";
               sql += " nvl(\"Name\",' '), ";
               sql += " nvl(\"Title\",' '), ";
               sql += " nvl(\"Affiliation\",' '), ";
               sql += " nvl(\"Street Name\",' '), ";
               sql += " nvl(\"City\",' '), ";
               sql += " nvl(\"State\",' '), ";
               sql += " nvl(\"Country\",' '), ";
               sql += " nvl(\"Zip Code\",' '), ";
               sql += " nvl(\"Phone\",' '), ";
               sql += " nvl(\"Fax\",' '), ";
               sql += " nvl(\"eMail\",' '), ";
               sql += " nvl(\"Web Site\",' '), ";
               sql += " nvl(\"Key Words\",' ') ";
               sql += " from searchcombi where ";
               sql += " lower(\"Name\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Title\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Affiliation\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Street Name\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"City\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"State\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Country\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"eMail\") like " + "lower('%" + keywords[i] + "%') or ";
               sql += " lower(\"Web Site\") like " + "lower('%" + keywords[i] + "%') or";
               sql += " lower(\"Key Words\") like " + "lower('%" + keywords[i] + "%')";
               sql += " order by \"Name\" ";
               rs = st.executeQuery(sql);
               //out.println(sql);
               if(rs.next())
                    if(i == 0)
                         flag=false;
                    found=true;
                    res=0;
               do
                    res++;
               }while(rs.next());
               out.println(res++);
               out.println("<center><font color=#ff9999 face=\"verdana, geneva, arial, sans-serif\" size=2><b>Searched for \""+ keywords[i]+"\", ");
               out.println("Total Matches found : "+res+"</center><br>");
               rs = st.executeQuery(sql);
               while(rs.next())
                    res++;
                         out.println("<table width=600 align=center>");
                         str1 = disp(rs.getString(1),keywords[i]);
                         out.println(str1);
                         //if(str1.equals("null") || str1.equals(" ") || str1.equals(null))
                         if(str1 == "null" || str1 == "")
                              str1 = "";
                         else
                              out.println("<tr><td width=150><font color = green face=\"verdana, geneva, arial, sans-serif\" size=2><b>Name </td><td><font face=\"verdana, geneva, arial, sans-serif\" size=2>"+str1+"</td></tr>");
                              //System.out.println(str1);
                              //out.println(str1);
                         str2="";
                         str1 = disp(rs.getString(2),keywords[i]);
                         if(!str1.equals("") || !str1.equals(""))
                              str2 = str1;
                         str1 = disp(rs.getString(3),keywords[i]);
                         if(!str1.equals(" ") || !str1.equals(""))
                              if(str2.length() > 0 || !str2.endsWith(", "))
                                   str2+= ", ";
                              str2 += str1;
                         if(!str2.equals(""))
                              out.println("<tr><td width=150><font color = green face=\"verdana, geneva, arial, sans-serif\" size=2><b>Title, Affiliation</td><td><font face=\"verdana, geneva, arial, sans-serif\" size=2>");
                              out.println(str2);
                              out.println("</td></tr>");
                         str2="";
                         str1 = disp(rs.getString(4),keywords[i]);
                         if(!str1.equals(" ") || !str1.equals(""))
                              str2 = str1;
                         str1 = disp(rs.getString(5),keywords[i]);
                         if(!str1.equals(" ") || !str1.equals(""))
                              if(str2.length() > 0 || !str2.endsWith(", "))
                                   str2+= ", ";
                              str2 += str1;
                         str1 = disp(rs.getString(6),keywords[i]);
                         if(!str1.equals(" ") || !str1.equals(""))
                              if(str2.length() > 0 || !str2.endsWith(", "))
                                   str2+= ", ";
                              str2 += str1;
                         str1 = disp(rs.getString(7),keywords[i]);
                         if(!str1.equals(" ") || !str1.equals(""))
                              if(str2.length() > 0 || !str2.endsWith(", "))
                                   str2+= ", ";
                              str2 += str1;
                         str1 = disp(rs.getString(8),keywords[i]);
                         if(!str1.equals(" ") || !str1.equals(""))
                              if(str2.length() > 0 || !str2.endsWith(", "))
                                   str2+= ", ";
                              str2 += str1;
                         if(!str2.equals(""))
                              out.println("<tr><td valign=top width=150><font color = green face=\"verdana, geneva, arial, sans-serif\" size=2><b>Address </td>");
                              out.println("<td><font face=\"verdana, geneva, arial, sans-serif\" size=2>");
                              out.println(str2);
                              out.println("</td></tr>");
                         str1 = disp(rs.getString(9),keywords[i]);
                         if(!str1.equals(" ") || !str1.equals(""))
                              out.println("<tr><td width=150><font color = green face=\"verdana, geneva, arial, sans-serif\" size=2><b>Phone</td><td><font face=\"verdana, geneva, arial, sans-serif\" size=2>"+str1+"</td></tr>");
                         str1 = disp(rs.getString(10),keywords[i]);
                         if(!str1.equals(" ") || !str1.equals(""))
                              out.println("<tr><td width=150><font color = green face=\"verdana, geneva, arial, sans-serif\" size=2><b>Fax</td><td><font face=\"verdana, geneva, arial, sans-serif\" size=2>"+str1+"</td></tr>");
                         str1 = disp(rs.getString(11),keywords[i]).toLowerCase();
                         if(!str1.equals(" ") || !str1.equals(""))
                              out.println("<tr><td width=150><font color = green face=\"verdana, geneva, arial, sans-serif\" size=2><b>eMail</td><td><font face=\"verdana, geneva, arial, sans-serif\" size=2>"+str1+"</td></tr>");
                         str1 = disp(rs.getString(12),keywords[i]).toLowerCase();
                         if(str1.equals("null") || str1.equals(" ") || str1.equals(null))
                              str1="";
                         else
                              out.println("<tr><td width=150><font color = green face=\"verdana, geneva, arial, sans-serif\" size=2><b>Web Site</td><td><font face=\"verdana, geneva, arial, sans-serif\" size=2>"+str1+"</td></tr>");
                         str1 = disp((rs.getString(13)).replace(',',' '),keywords[i]);
                         if(str1 == "null" || str1 == null || str1 == "")
                         //if(!rs.wasNull())
                              out.println("nothing");
                         else
                              out.println("<tr><td width=150><font color = green face=\"verdana, geneva, arial, sans-serif\" size=2><b>Key Words</td><td><font face=\"verdana, geneva, arial, sans-serif\" size=2>"+str1+"</td></tr>");
                         out.println("<tr><td width=150><hr></td><td><hr></td></tr>");
                         out.println("</table><br>");
               } // end while
               } // end if
               catch(Exception e)
                    System.out.println("Exception while executing query: "+ e);
          } // end for
          if(!found)
               out.println("<center><font color=#ff9999 face=\"verdana, geneva, arial, sans-serif\" size=2><b>Searched for \""+ key+"\", ");
               out.println("Total Matches found : 0</center><br>");
          out.println("<center><a href=\"javascript:myclose()\"><font color=red face=\"verdana, geneva, arial, sans-serif\" size=2>Close</a></center>");
          out.println("</body></html>");
     public void doGet(HttpServletRequest req, HttpServletResponse res)
     throws IOException,ServletException
          doPost(req,res);
     public String disp(String str1, String str2)
          int i,j,k;
          boolean found=false;
          String s1,s2,s3;
          String t1,t2;
          t1 = initCap(str1);
          s1 = t1.toLowerCase();
          s2 = str2.toLowerCase();
          for(i=0;i<s1.length() && !found ;i++)
               k=i;
               for(j=0;j<s2.length() && k < s1.length() && s1.charAt(k) == s2.charAt(j) ;j++,k++);
               if(j==s2.length())
                    found=true;
          if(found)
               i--;
               s3 = t1.substring(0,i);
               s3 += "<font color=blue face=\"verdana, geneva, arial, sans-serif\" size=2><b>";
               s3 += t1.substring(i,i+str2.length());
               s3 += "</font></b>";
               s3 += t1.substring(i+str2.length(),t1.length());
          else
               s3 = t1;
          return s3;
     public String initCap(String str)
          StringTokenizer st = new StringTokenizer(str," ");
          String s1="";
          String s2="";
          String s3="";
          String s4="";
          while(st.hasMoreElements())
               s1 = (String)st.nextElement();
               if(s1.length() > 0)
                    s2 = s1.substring(0,1);
                    s2 = s2.toUpperCase();
               if(s1.length() > 1)
                    s3 = s1.substring(1,s1.length());
               s2 += s3;
               s4 +=" "+s2;
          return s4;

Servlet only gets null values from mobile

OK, i'm doing a project for college which involves inputting data into an application on a mobile device, sending them to a servlet and updating a database. I've got my mobile app working and sending but the servlet is only receiving null values for it. I'll post the code for d servlet and see if anyone can figure out whats wrong. The problem might not even be the servlet so i'll post part of the mobile app as well. The problem could well be when i'm buffering the content on the mobile to a string. Anyway, any help appreciated, thanks.
The Servletimport java.io.IOException;
import java.io.PrintWriter;
import java.sql.*;
import java.util.logging.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ThisServlet extends HttpServlet
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            out.println("<html>");
            out.println("<head>");
            out.println("<title>ThisServlet</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
        } finally {
            out.close();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    @Override
    public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        String connectionURL = "jdbc:mysql://localhost:3306/database";
        Connection connection = null;
        Statement stmt = null;
        ResultSet rs = null;
        res.setContentType("text/html");
        PrintWriter out = res.getWriter();
        String MobileNumber = req.getParameter("user");
        String field1 = req.getParameter("h1");
        String field2 = req.getParameter("h2");
        String field3 = req.getParameter("h3");
        try {
            // Load the database driver
            Class.forName("com.mysql.jdbc.Driver");
            // Get a Connection to the database
            connection = DriverManager.getConnection(connectionURL, "root", "root");
            try {
                stmt = connection.createStatement();
            } catch (SQLException ex) {
                Logger.getLogger(ThisServlet.class.getName()).log(Level.SEVERE, null, ex);
            rs = stmt.executeQuery("SELECT UserID FROM User WHERE MobileNumber = '" + MobileNumber + "'");
            while (rs.next()) {
                String UserID = rs.getString("UserID");
                String insert = "INSERT INTO newTable(UserID, One, Two, Three) VALUES (?,?,?,?)";
                PreparedStatement pst = connection.prepareStatement(insert);
                pst.setString(1, UserID);
                pst.setString(2, field1);
                pst.setString(3, field2);
                pst.setString(4, field3);
                pst.executeUpdate();
                pst.close();
        catch(ClassNotFoundException e){
            System.out.println(e.toString());
        catch(SQLException e){
            System.out.println(e.toString());
        catch (Exception e){
            System.out.println(e.toString());
        finally {
            // Always close the database connection.
            try {
                if (connection != null) connection.close();
                System.out.print("closing db connection ... \n");
            catch (SQLException ignored){
                out.println(ignored);
    @Override
    public String getServletInfo() {
        return "Short description";
}The Mobile App (only part where putting the content together to send)
buffer.append("user="+mobileNumber).append("?h1="+field1)
                    .append("?h2="+field2).append("?h3="+field3);
            content = buffer.toString();
sendToServer(url, content);

For sure you would have to do following on your mobile:
buffer.append("?user="+mobileNumber).append("&h1="+field1)
                    .append("&h2="+field2).append("&h3="+field3);
            content = buffer.toString();
sendToServer(url, content);'?' - is a delimiter of GET parameters and '&' - is a delimiter between GET parameters
Edited by: ivanovpv on 30.04.2009 10:57

To extract null Values from the source in Infopackage selections - Very Urg

Hi All,
I need to pull the data which has null values from source. I tried to write routine by giving l_t_range-low = '' , space. nothing is working.
Please guide me with sample code.
Very Urgent.
Regards
Mano

Hi Mario.
Assuming that you want to avoid uploading of records having
zero for a keyfigure:
Create a startroutine for transfer rules and add this coding:
DELETE DATAPAK WHERE VALUE = '0'.
OR
LOOP AT DATAPAK.
IF DATAPAK-VALUE = 0..
DELETE DATAPAK.
ENDIF.
ENDLOOP.
'VALUE' represents the fieldname in transferstructure
Please let me know if i misundersttod the issue.
Regards
Joe

Geting null values from request

hi!
i m producing this code through out.println() method in my page and then using java script
i am submiting this page to another page
<td width="56%"><textarea name="question_no_1"></textarea></td>
<input name="question_no_1_radio1" type="radio" value="radio"></td>
<td width="59%"> <textarea name="question_no_1_ans1"></textarea></td>
<input type="radio" name="question_no_1_radio2" value="radio"></td>
<td><textarea name="question_no_1_ans2"></textarea></td>
<input type="radio" name="question_no_1_radio3" value="radio"></td>
<td><textarea name="question_no_1_ans3"></textarea></td>
<input name="question_no_1_radio4" type="radio" value="radio"></td>
<td><textarea name="question_no_1_ans4"></textarea></td>
but when i submit it to the other page and try to retrieve value of parameter "question_no_1"
through the bellow statement it shows a null value but i have given a value previously by
typing a question in it
System.out.println("the Body Of The First Question Is "+request.getParameter("question_no_1"));
can anybody help me what is going on here.
also if i try to normaly submit first page (ie <form="form1" method="post" action="other_jsp_page.jsp"> ) then the statement in the next page gives me the correct value but
i have to submit the first paper through java script.
if u want to see full detail of my code then go to the following link
http://forum.java.sun.com/thread.jsp?thread=309254&forum=45&message=1237097
thanx in advance

OK, your problem is that you are not submmiting the values to the other page. When you do the
--> document.forms[0].submit();
in JavaScript, the form has to action defined
--> <form name="form1" method="" action="">
So, the page does nothing. The line following the submit just changes the location of the page, IT DOES NOT POST the values.
One solutions is the following:
1.- define an action for your form:
<form name="form1" method="POST" action="'save_paper.jsp">
2.- Then create a JavaScript function that validates the fields and simply return "true" if the form is correct, and false if there is a problem (just a little modification of the one you have).
3.- Then modify your submit button:
Instead of:
<input type="button" name="Save" value="Save" onClick="validateField()">
Try:
<input type="SUBMIT" value="Save" onclick="validateField();">

Not to display the null values from data base

Hiiii.
In a jsp file i have ten check boxes.The jsp file is mapped to a servlet file for parameter requesting and to
store it in DB.
The unchecked box values has null values.All the values are store in a Mysql DB table.
Again i have to display it in a jsp page from table.
The problem am facing was,how can i display only the values in a row.it must not display the null values and the crresponding column name.
Or any other way is their like below
How i can retrieve only the selected check boxes from tht jsp file.and store in backend.
Thanks in Advance
regards,
satheesh kannan

Here is a rough example that may give you some ideas:
On the JSP page:
<%if(myData.getFirstName()!=null){%>
Your First Name'
<input type="text" name="firstName" value="<%=myData.getFirstName()%>">
<%}%>
In the servlet:
String firstName= request.getParameter("firstName");
if(firstName!=null){
//write it to the database
}

JDBC MS Access--- cannot extract entry with null value with data type Meta

I'm trying to extract a data entry with null value by using JDBC. The database is MS Access.
The question is how to extract null entry with data type memo? The following code works when the label has data type Text, but it throws sqlException when the data type is memo.
Any advice will be appreciated! thanks!
Following are the table description and JDBC code:
test table has the following attributes:
Field name Data Type
name Text
label Memo
table contents:
name label
me null
you gates
Code:
String query = "SELECT name, label FROM test where name like 'me' ";
ResultSet rs = stmt.executeQuery(query);
while (rs.next())
String name = rs.getString("name");
rs.getString("val");
String label = rs.getString("label");
System.out.println("\t"+name+"\t"+label);
catch (SQLException ex)
System.out.println(ex.getSQLState());
System.out.println(ex.getErrorCode());
System.out.println("in sqlexception");
output:
C:\Temp\SEFormExtractor>java DBTest
yet SELECT name, label FROM test
null
0
in sqlexception

The question is how to extract null entry with data type memo?Okay, what you need to do is this:
if (rs.getString("val") == null)
// do something
}This way, when it's a null value, you can check it first, and then handle it how you want, rather than getting an exception.

Index (or not) for excluding NULL values in a query

Hello,
I have table that can become very large. The table has a varchar2 column (let's call it TEXT) that can contain NULL values. I want to process only the records that have a value (NOT NULL). Also, the table is continuously expanded with newly inserted records. The inserts should suffer as little performance loss as possible.
My question: should I use an index on the column and if so, what kind of index?
I have done a little test with a function based index (inspired by this Tom Kyte article: http://tkyte.blogspot.com/2006/01/something-about-nothing.html):
create index text_isnull_idx on my_table(text,0);
I notice that if I use the clause WHERE TEXT IS NULL, the index is used. But if I use a clause WHERE TEXT IS NOT NULL (which is the clause I want to use), a full table scan is performed. Is this bad? Can I somehow improve the speed of this selection?
Thanks in advance,
Frans

I build a test case with very simple table with 2 columns and it shows that FTS is better than index access even when above ratio is <= 0.01 (1%):
DROP TABLE T1;
CREATE TABLE T1
           C1 VARCHAR2(100)
          ,C2 NUMBER
INSERT INTO T1 (SELECT TO_CHAR(OBJECT_ID), ROWNUM FROM USER_OBJECTS);
BEGIN
     FOR I IN 1..100 LOOP
          INSERT INTO T1 (SELECT NULL, ROWNUM FROM USER_OBJECTS);
     END LOOP;
END;
CREATE INDEX T1_IDX ON T1(C1);
ANALYZE TABLE T1 COMPUTE STATISTICS
     FOR TABLE
     FOR ALL INDEXES
     FOR ALL INDEXED COLUMNS
SET AUTOTRACE TRACEONLY
SELECT
          C1, C2
     FROM T1 WHERE C1 IS NOT NULL;
3864 rows selected.
real: 1344
Execution Plan
   0      SELECT STATEMENT Optimizer=CHOOSE (Cost=59 Card=3864 Bytes=30912)
   1    0   TABLE ACCESS (FULL) OF 'T1' (Cost=59 Card=3864 Bytes=30912)
Statistics
          0 recursive calls
          0 db block gets
       2527 consistent gets
       3864 rows processed
BUT
SELECT
     --+ FIRST_ROWS
          C1, C2
     FROM T1 WHERE C1 IS NOT NULL;
3864 rows selected.
real: 1296
Execution Plan
   0      SELECT STATEMENT Optimizer=HINT: FIRST_ROWS (Cost=35 Card=3864 Bytes=30912)
   1    0   TABLE ACCESS (BY INDEX ROWID) OF 'T1' (Cost=35 Card=3864 Bytes=30912)
   2    1     INDEX (FULL SCAN) OF 'T1_IDX' (NON-UNIQUE) (Cost=11 Card=3864)
Statistics
          0 recursive calls
          0 db block gets
       5052 consistent gets
       3864 rows processed
and just for comparison:
SELECT * FROM T1 WHERE C1 IS NULL;
386501 rows selected.
real: 117878
Execution Plan
   0      SELECT STATEMENT Optimizer=CHOOSE (Cost=59 Card=386501 Bytes=3092008)
   1    0   TABLE ACCESS (FULL) OF 'T1' (Cost=59 Card=386501 Bytes=3092008)
Statistics
          0 recursive calls
          0 db block gets
     193850 consistent gets
     386501 rows processedHence you have to benchmark you queries with and w/o index[es]

Null values passed into the servlet

Hi all,
I keep getting null values for all the params that I pass into the servlet i.e. sqltype, producttype, process, instance etc....I have attempted to print some of them out on the screen but I keep getting the 'NullPointerException' error message...can anyone tell me what it is that I have down wrong in the below code?
If I run the servlet with method calls that have hardcoded arguments in them it works but not when I pass in the params from the URL...I am absolutley puzzled!
Help!
package blotter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.db.util.WriteToLogFile;
import blotter.cache.*;
Servlet to extract an object that has already been placed
in the cache by GetBondPrices servlet from the cache.
public class ExtractSecurityObject extends HttpServlet
     String sqlType = "";
     String productType = "";
     String instance = "";
     String process = "";
     String asOfDate = "";
     String currencyCode = "";
     String curveId = "";
     String results = "";
     private String debug;
private PrintWriter out;
     private WriteToLogFile logFile;
     // called when servlet first initialised
     public void init(ServletConfig config) throws ServletException
          super.init(config);
     // method called for each get request
     public void doGet( HttpServletRequest request, HttpServletResponse response )
               throws ServletException, IOException
          String toWrite = " ";
// Get the object identifier from the parameters passed in
          sqlType = request.getParameter("sqltype");
productType = request.getParameter("producttype").toUpperCase();
          instance = request.getParameter("instance");
          process = request.getParameter("process");
          asOfDate = request.getParameter("asofdate");
          curveId = request.getParameter("curveid");
          currencyCode = request.getParameter("ccy").toUpperCase();
          out.println(currencyCode);
          if ( request.getParameter("debug") !=null)
               debug = request.getParameter("debug");
          else
               debug ="";
          // set the mime type to html
response.setContentType( "text/html" );
out = response.getWriter();
out.println("<HTML>");
          try
          // write some parameters to a log file
          toWrite = toWrite + "<li>" + getServletInfo() + " at " + new Date() + " " + sqlType + " " +
                    productType + " " + instance + " " + process + " " + asOfDate + " " + curveId + " " +
                    currencyCode;
     CachedObject o1 = (CachedObject)CacheManager.getCache("EB_" + currencyCode + productType + asOfDate);
if(o1 == null){
          CacheSecurityObject cso = new CacheSecurityObject();
               if((request.getParameter("sqltype") == null) && (request.getParameter("instance") != null)){
results = (String)cso.putSecurityinCache(null, request.getParameter("producttype"), request.getParameter("instance"), request.getParameter("process"), request.getParameter("asOfDate"), request.getParameter("curveId"), request.getParameter("currencyCode"));
//results = (String)cso.putSecurityinCache(null, "yc", "frafu", "official", "20011105", "baceod", "sek");
out.println(results);
               } else {
//results = (String)cso.putSecurityinCache("bondtypes", "bond", null, "official", "20011105", "baceod", "eur");
results = (String)cso.putSecurityinCache(request.getParameter("sqltype"), request.getParameter("producttype"), null, request.getParameter("process"), request.getParameter("asOfDate"), request.getParameter("curveId"), request.getParameter("currencyCode"));
out.println(results);
          else{
               out.println(((String)o1.object).toString());
// general catch for all exceptions
          catch(Exception exception)
               out.println( "Exception: The item that you requested was not found in the cache" + "<BR>" );
               toWrite = toWrite + "Exception : " + exception.getMessage() + "\n" ;
          finally
// write to logfile
          logFile = new WriteToLogFile();
          logFile.setSourceDirName("blotter");
          logFile.setQuery(request.getQueryString());
          logFile.setServletPath(request.getServletPath());
          if (toWrite!=null)
          logFile.writeLog(getServletInfo(),toWrite);
out.println("</HTML>");
          out.close();
     // need the class name for log file
     public String getServletInfo()
     return this.getClass().getName();
}

That section of the code references a cache to extract an item that has been requested by the user. If the item is not in the cache i.e. if(o1 == null) then it will call a class that generates that object and places that object into the cache. The second time the user makes the same call then they will be handed a cached copy of that object which is aimed to make the whole servlet call faster.
That section of the code works fine coz I have tested that separately. It is the reading in of the arguments that is causing the problem.

How to validate if a column have NULL value, dont show a row with MDX

Hello,
I have this situation, I have a Result from MDX that return rows with values NULL on columns, I tried with NON EMPTY and NONEMPTY but the result is the same. That I want to do is validate if a column have a Null value discard the row, but I dont know how
to implement it, could somebody help me?, please.
Thanks a lot.
Sukey Nakasima
Sukey Nakasima

Hello,
I found the answer in this link https://social.technet.microsoft.com/Forums/sqlserver/en-US/f9c02ce3-96b2-4cd6-921f-3679eb22d790/dont-want-to-cross-join-with-null-values-in-mdx?forum=sqlanalysisservices
Thanks a lot.
Sukey Nakasima
Sukey Nakasima

How to differentiate the EMPTY Records and Null Values in DSO

Hello....how is everyone here?? Ehehehe!
I try to load some data from the flat file which contains some EMPTY data and Null Values for the records. The data type for the InfoObjects of the fields "Quantity" is "number". The sample data from the flat file (CSV) are as below:
Food              Quantity
Hamburger -       12
Cheese        -       0
Vegetable      -               (Empty)
When I try to load the above sample data to the DSO, I get the results of the data as follow:
Food              Quantity
Hamburger     - 12.000
Cheese           - 0.000
Vegetable         - 0.000
In this case, how can the user differentiate whether the records is contain empty value of null values in DSO? This is kinda of hard to differentiate the both scenarios above. Is there any way to differentiate the scenarios described here?
Thanks alot =)

Hi Fluffy,
It depends on the initial values of the data type
The inital values For quantity/Currency/ Numbers it takes spaces as 0
for char it is SPACE
We cannot differeniate between space and null values.
IF you have to force this then define quantity as char and load the data. we will not have units and aggregation in this case.
Hope this helps.
PV

Null Values(Urgent Req)

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