Broken image because of null value

Im displaying a SQL query type report.
In the Column Formatting section, I'm displaying an image from the database using the following HTML expression [img src=/i/#NC#_bullet.gif /] (using angle bracets, of course). However, one of the columns in the database contains a null value and is returning as a broken image. Any advice on how to correct this problem?
Message was edited by:
user445944

use the nvl function and add an image to be displaed in null contition
Aris dc

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Check the below thread:
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Reading Numeric UDF null value in DI

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Null value in poplist

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Hi Divya
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declare
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rg_id Recordgroup;
LIST_ID ITEM;
errcode NUMBER;
begin
rg_id:=Find_Group(rg_name);
if Id_null(rg_id)
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Edited by: Abdetu on Jan 27, 2011 2:30 AM

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Hi PR,
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Edited by: Venkat Anusuri on Aug 5, 2009 3:43 PM

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Hi all,
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Given the cell depth is 8 BIT U, then the range will be 0 to 255. But i need to assign NULL instead of any value within the range, to ocean cells.
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I do not think Oracle GeoRaster does not recognize Null cell value. But i don't know how.
The geoRaster documentation explain about SDO_GEOR.getNODATA, but how to set it ?
Or do i have to make some kind of alpha layer for this purpose ?
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=Damon

Jeffrey,
>
1. setup NODATA value(s) or NODATA value
ranges. for this you can call:
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sdo_geor.getNODATA
sdo_geor.deleteNODATA.
this case, the NODATA value(s) must be in the range
of the cellDepth. in your case with 8bit unsigned, it
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your are talking about NOAA image, I would suggest
you use 0 (zero) as NODATA for the ocean area. In
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among
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sdo_geor.getNODATA
sdo_geor.deleteNODATA
sdo_geor.setBitmapMask
sdo_geor.getBitmapMask
sdo_geor.mergeLayers
ALL are available in 11gR1 while only the sdo_geor.getNODATA that is available in 10gR2 (the one am using); correct me please. (this is based documents of both versions)
Are you saying that 10gR2 is too obsolete for these, and that i shud upgrade to 11gR1 ?
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==================
Other than general requirement for raster in geospatial, that raster should provide NODATA or null value; my specific aim is for (again) focal operation of geoRaster. For example :
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=Damon

NULL Value in OO Context

Hi ,
I want to set NULL Value in OO Context.
I cannot use clear with NuLL, SInce it is not allowed in OO Context.
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Eg cl_abap_char_utilities=>NEWLINE
Regards
Prasath

> Hi.
>
> Hmm, since I am from Java world these things gets
> confusing in ABAP. If you see the following example
> then the report will print both 1 and 2. So the
> variable is both "initial" as well as "space".
>
>
>
> DATA: lv_test TYPE flag.
> lv_test = '0'.
> CLEAR lv_test.
>
> IF lv_test EQ space.
>   WRITE '1'.
> DIF.
> IF lv_test IS INITIAL.
>   WRITE '2'.
> DIF.
>
> Best Regards
> Niklas
That's because the initial value of a character field is SPACE. In the same way, the initial value of an integer field is 0. Again, looking at the ABAP help:
Type    Initial Value
b       0
c       " " for every position
d       "00000000"
f       0
i       0
n       "0" for every position.
p       0
string empty string of length 0
s       0
t       "000000"
x       hexadecimal 0
xstring empty string of length 0.
matt

How to pass NULL value in SSRS

Hi All,
I have a parameter called Division,Region and State.While loading these parameter I am replacing NULL value as "NO Division","NO Region" and "NO State".Note all parameters are multi valued.
Now In my dataset query If I put the condition like (division=@Division or Division is null) and (region=@region or Region is null) and (state=@State
or State is null).
In this scenario if I want to exclude null values need only specific Division which is not allowing me to do that with above condition.If I need all it works fine but not with specifice division,region and sate.
Any thought on this.
thanks
Chandan
Thanks Chandan

Thats because of or conditions
As per your explanation since you replace NULL value as No division etc what you need to do is just this
(division=@Division or @Division = 'All') and (region=@region or @Region = 'All') and (state=@State or @State = 'All').
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To get NULL valued records alone you need to pass value as No Division,No region etc
Also you should change dataset query for parameter combo to make prompt as No Division etc for NULL values so that it can be selected as an option inside multi valued combo box to see NULL valued records
Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

GetParameter() null value

Hi all,
We are having a problem using the request.getParameter(String) method. We are using the method to define an argument for a Java Webstart (jnlp mime type) file we are creating with jsp. Other arguments have been successfully created using the request.getServerName() and request.getRequestURI() methods. The getParameter() return value looks fine if printed back to HTML. The jsp file creating the jnlp file is called using an HREF created inside another jsp file as follows:
<a href="xmlfetch.jsp?filename=mti.xml""></a>
The param value for filename in each HREF is filled using an String array entry (i.e. +names).
The xmlfetch.jsp file uses StringBuffers to capture/store the servername, uri and param data as follows:
StringBuffer svrname = new StringBuffer();
svrname.append(request.getServerName());
StringBuffer requri = new StringBuffer();
requri.append(request.getRequestURI());
StringBuffer fname = new StringBuffer();
fname.append(request.getParameter("filename"));
All 3 variables look ok if dumped in html as follows:
out.println("svrname=" +svrname);
out.println("requri=" +requri);
out.println("fname=" +fname);
But only the param value is null when the variables are passed as arguments in the jnlp stream as follows:
<argument><%=svrname.toString()%></argument>
<argument><%=requri.toString()%></argument>
<argument><%=fname.toString()%></argument>
So the question is ... why do the parameter values evaluate to non null when dumped to html but become null when used as an argument for jnlp? AND what is the difference between the strings returned by the 3 request methods we are using as arguments (i.e. why do 2/3 work?).
ANY HELP APPRECIATED:)
Greg Hock
Software Engr
Northrop Grumman Corp.
(321) 726-7758
[email protected]

I have tried the parameter specification both with and without quotes but either case results in null value for argument going into the Java Webstart (.jnlp) file that I create in the second jsp file (xmlfetch.jsp). What I don't understand is why the parameter looks correct when sent out.println() but is null when not printed and only used for the jnlp app argument. Both the other variables assigned using request.getXXX() methods are ok as arguments...only the parameters passed from the first jsp page (mtiquery.jsp) to the second jsp page (xmlfetch.jsp) become null when used as the jnlp argument.
Anyone ... please help. :)
Here is the code for the first jsp page. This page creates a table of filenames each of which has a href link to the second jsp page and passes it's filename as the parameter.
<%@ page
language="java"
import="java.util.*,java.text.*,java.io.*,javax.swing.filechooser.FileFilter"
%>
<html>
<title>MTIX MTI Query Tool</title>
<body>
<p>
<center>
<h1>JSP MTI QueryTest</h1><br>
<jsp:include page="copyright.jsp" flush="true"/>
<br>
<%=(new java.util.Date())%>
<%
String startPath = "../webapps/ATServlets/data/mti";
File myDir = new File(startPath);
String myPath = myDir.getCanonicalPath();
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String[] filelist = myDir.list();
out.println("<br>");
out.println("<center>");
out.println("<table BORDER COLS=1 width=400>");
String urlPath = null;
String hrefPath = null;
for (int i=0; i<filelist.length; i++)
urlPath = new String("\"http://judy:8080/ATServlets/jsp/xmlfetch.jsp?filename="+filelist[i]+ "\"");
hrefPath = new String("<a href=" urlPath ">");
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out.println("</table>");
out.println("</center>");
%>
</center>
</body>
</html>
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NOTICE that the second jsp page is the HREF and I am using "filename" as the parameter key and the value is assigned (without quotes) to be the filelist entry.
<html>
<title>MTIX MTI Query Tool</title>
<body>
<p>
<center>
<h1>JSP MTI QueryTest</h1><br>
<html>
<head>
<title></title>
</head>
<body>
<p>(c) 1999,2000,2001 Northrop-Grumman All Rights Reserved </p>
</body>
</html>
<br>
Wed Aug 08 10:01:34 EDT 2001
<br><br><br>Results of Query Path: <br>/opt/mtix/data/mti<br><br>
<br>
<center>
<table BORDER COLS=1 width=400>
<tr><td><center>
MtiOutput.xml
</center></td></tr>
<tr><td><center>
KoreaMTI.xml
</center></td></tr>
<tr><td><center>
testMti.xml
</center></td></tr>
<tr><td><center>
testMti2.xml
</center></td></tr>
<tr><td><center>
testMti4.xml
</center></td></tr>
</table>
</center>
</center>
</body>
</html>
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<%@ page
contentType="application/x-java-jnlp-file"
info="myjnlp"
import="java.lang.*,java.text.*,java.io.*"
%>
<%
StringBuffer fname = new StringBuffer();
fname.append(request.getParameter("filename"));
//fname.append("MtiOutput.xml");
//out.println("the fname var = " +fname);
StringBuffer cBase = new StringBuffer();
cBase.append(!request.isSecure() ? "http://" : "https://");
cBase.append(request.getServerName());
if(request.getServerPort() != (request.isSecure() ? 80 : 443))
cBase.append(':');
cBase.append(request.getServerPort());
StringBuffer httpref = new StringBuffer();
httpref = cBase;
httpref.append(request.getRequestURI());
StringBuffer cBase2 = new StringBuffer();
cBase2.append(!request.isSecure() ? "http://" : "https://");
cBase2.append(request.getServerName());
if(request.getServerPort() != (request.isSecure() ? 80 : 443))
cBase2.append(':');
cBase2.append("80");
cBase2.append('/');
cBase2.append("ATJava");
cBase2.append('/');
%>
<?xml version="1.0" encoding="utf-8"?>

<jnlp
spec="1.0"
codebase="<%=cBase2.toString()%>"
href="<%=httpref.toString()%>">
<information>
<title>Catalog Download Application</title>
<vendor>Northrop Grumman, Inc.</vendor>
<homepage href="ATJava.init/documents/index.html"/>
<description>XML Catalog Download Application>
<description kind="short">A demo.</description>
<icon href="ATJava.init/images/tomcat.gif"/>
<offline-allowed/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.2" initial-heap-size="16m" max-heap-size="512m"/>
<jar href="ATJava.build/ATJava.jars/ATSignedRuntime.jar" download="eager"/>
</resources>
<resources>
<j2se version="1.3" initial-heap-size="16m" max-heap-size="512m"/>
<jar href="ATJava.build/ATJava.jars/ATSignedRuntime.jar" download="eager"/>
</resources>
<application-desc main-class="mtix.XMLFetch">
<argument><%=fname.toString()%></argument>
<argument><%=cBase2.toString()%></argument>
<argument><%=httpref.toString()%></argument>
</application-desc>
</jnlp>
Please HELP/COMMENT if you can.... Gregg

Using null value of item

Hi All,
I use this part-of-code in pl/sql statement in a 'where' clause in order to filter records to those that took place between some hours range:
..... and to_char(STARTDATE,'HH24:MI:SS') between NVL(:P3_HOURS_FROM,'00:00:00') and NVL(:P3_HOURS_TO,'23:59:59')
P3_HOURS_FROM & P3_HOURS_TO are combo box items with LOV (0:00,0:30,1:00 ....etc that returns 00:00:00,00:30:00,1:00:00 respectively). I use a null value which is displayed as '--:--'.
when i choose some hour range the rsults are correct. the problem is when i choose null values. there is no results to the report, probably (i guess) because it somehow translate the (null) time value to the same value (and it's obvious that between same time values there isn't any result).
so i guess i use 'null' value in an inappropriate way.
Can u tell me what do i do wrong???

Are you sure you are returning NULL and just displaying '--:--' in your LOV?
If the state of your LOV is becoming '--:--' then this does not equal null in PL/SQL land.
I presume you are also submitting after changing your LOVs?
You can check the state of your items by clicking the session state in the developers toolbar at the bottom. See what your items are being set and report back!
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Why "null" value is impossible in "switch(val) {case null: }" for enums?

I'm wondering why Java 5.0 does not allow null values
as options in switch statement:
If type E is "enum" then the following language construction is
not allowed:
E val;
switch(val) {
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     break;
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       break;
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some serious reasons were for that.
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null and not null.
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I really don�t know too much about 1.5, but I can tell you that for 1.4 the switch receives as a parameter an int or anything that can be casted automatically to an int. Therefore you can�t never use null cause int, char, short, byte can�t never take as a value null.

OBIEE - Null Value in Joins

Hi All,
In OBIEE, How will I handle the null value in join conditions?
I have 2 tables inner joined together in the RPD level. They are User_Profiles table and Parties table.
I am creating a database prompt for a report and in dropdown sql results Iam giving the below query.
SELECT distinct CASE WHEN USER_PROFILES.PAR_ID IS NULL THEN PARTIES.PAR_ID ELSE
USER_PROFILES.PAR_ID END FROM user_profiles,parties WHERE USER_PROFILES.USER_ID='12345' AND parties.par_type = 'ABC' and parties.status = 'N'
Here the PAR_ID is not fetched in the dropdown from PARTIES table . The reason behind this is, when the USER_PROFILES is having PAR_ID as null, it is not able to join with PARTIES table and the dropdown is not populating. It works fine when it fetch from user_profiles table. I believe the issue occurs because of the user_profiles table having null values and not able to fetch from parties table.
Please advice..

Hi All,
I managed to write the query modified like below to handle the null value.
select nvl2(user_profiles.par_id,user_profiles.par_id,parties.par_id) from WFMT_SAINT_PR where user_profiles.user_id= {User()}
and ((user_profiles.par_id is not null and parties.par_id = user_profiles.par_id) OR (user_profiles.par_id is null and parties.par_type = 'MFR' and parties.status='C'))
But when i put this is dashboard prompt sql results for PAR_ID field i get the following error.
Error Generating Drop Down Values
Odbc driver returned an error (SQLExecDirectW).
Error Details
Error Codes: OPR4ONWY:U9IM8TAC:OI2DL65P
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 27002] Near <(>: Syntax error [nQSError: 26012] . (HY000)
SQL Issued: select nvl2(user_profiles.par_id,user_profiles.par_id,parties.par_id) from WFMT_SAINT_PR where user_profiles.user_id= {User()} and ((user_profiles.par_id is not null and parties.par_id = user_profiles.par_id) OR (user_profiles.par_id is null and parties.par_type = 'MFR' and parties.status='C'))
Can you please advice what is wrong here..

Broken image because of null value

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