Count (1) returns the null value in the Group of

Similar Questions

• IDHostAdapter.getInstance () .getXMPString (doc); Returns a null value

  Hello

  I'm trying to read and modify a document XMP data, but I always get a null value when playing it.

  In addition,

  IDHostAdapter.getInstance () .setXMPString (doc, updatedXMPString);

  does not either;

  App: application var = InDesign.app;

  var doc: Document = app.activeDocument;

  var idh:IDHostAdapter = IDHostAdapter.getInstance ();

  var xmpString:String = idh.getXMPString (doc);

  var warpxmpContext:WARPXMPXMPContext = new WARPXMPXMPContext (xmpString);

  warpxmpContext.wARPXMP.publicacion = "periodico";

  var updatedXMPString:String = warpxmpContext.serializeToXML ();

  IDHostAdapter.getInstance () .setXMPString (doc, updatedXMPString);

  var xmpString2:String is IDHostAdapter.getInstance () .getXMPString (doc);.

  Any ideas?

  Thank you

  Hello

  We have an updated version of the adapter host available for download InDesign library:

  http://cssdk.host.Adobe.com/SDK/1.5/patch/id_hostadapter_mac.zip

  Regarding the examples, please see the AssetFragger CS extension example which shows the adding/changing metadata XMP using XMP Namespace Designer and library InDesign Host Adapter.  This extension is available in Builder Extension CS under file > import > CS Extension Builder > samples.  For more information, please visit http://www.adobe.com/devnet/creativesuite/samples.html

  Kind regards

  LEA

  From: Adobe Forums [email protected]<>[email protected]>

  Reply-To: "[email protected]<>[email protected]> ' [email protected]<>[email protected]>" "

  Date: Saturday November 5, 2011 19:45:40 + 0000

  To: laboratory user [email protected]<>[email protected]>

  Topic: IDHostAdapter.getInstance () .getXMPString (doc); Returns a null value

  Re: IDHostAdapter.getInstance () .getXMPString (doc); Returns a null value

  created by substances. http://forums.adobe.com/people/Harbs. > in Creative Suite Extension Builder - see the discussion complete onhttp://forums.adobe.com/message/4009511#4009511

• resolveNode returns a null value when a variable is used.

  LiveCycle Designer ES2, latest version

  Hello

  The following Javascript code, in the click event of a button, returns a null value for the variable opaque. When I manually enter the expected value the script works perfectly.

  I tried various modifications of the resolveNode line such as var opaque = xfa.resolveNode (qPage); , but without success.

  Also studied all the documents reference Adobe that I could find on the scripts and resolveNode. Any suggestions?

  var qPage = (Cell12.rawValue + "AnchorField");
  App.Alert (qPage);
  Opaque var = xfa.resolveNode ("' $... qPage '");
  App.Alert (opaque);
  var nPage = xfa.layout.absPage (opaque);
  App.Alert (nPage);
  xfa.host.currentPage = nPage;

  Thank you

  Ron

  I tried your sample and it seems to work very well... but I'm not sure 100% that you are trying to do... .going to your initial question on the passage of a variable in the resolveNode resolveNode expects a string, so you must use the following syntax to create the string:

  xfa.resolveNode ("$.." + qPage)

  Note that the variable is outside the quotes as such the string $... is added to the content of qPage. This wil work if qPage is a string as well.

  In your example you have defined qPage as an XFA object so that the syntax above will not work. If you intend to use the same way, you would use qPage.name so that the name of the field will be returned (this is a string) and it will be added to your expression of $ to make the $... ProductAnchorField

  Thus, the expression would be:

  xfa.resolveNode ("$.." + qPage.name)

  Make sense?

  Paul

• VO.getCurrentRow () returns a null value

  Hi, OTN
  
  In short, the scenario is:
  View object is based on an entity. There is a form to the JSF page.
  I select a record by clicking next and previous. Then I click on create to display empty fields for the new record.
  When I click on the button, I need to register a field value and a default value for the new fields to records.
  
  How to:
  I have created a support bean and added customCreateMethod. To start, I want to get the value of current row field, but I can't get the current line.
  
  public String customCreateMethod() {}
  
  String amDef = "pattern. AppModule. "
  Config = "AppModuleLocal";
  
  Am = ApplicationModule
  Configuration.createRootApplicationModule (amDef, config); non-null
  
  ViewObject vo = am.findViewObject("ContentVersionView1"); non-null
  
  
  = problem here:
  vo.getCurrentRow (); Returns a null value
  
  System.out.println ("index:" + vo.getCurrentRowIndex ()); always returns 0
  }
  
  I tested variable vo by this code:
  
  While (vo.hasNext ()) {}
  Line = vo.next ();
  System.out.println (Row.GetAttribute ("IdContent"));
  }
  
  It works fine.
  
  
  How should I me current line?
  
  Thank you

  Hello

  createRootApplicationModule creates the new instance of the application module, thanks to which you did not receive the current line. Use the code posted by Timo in [this post | http://forums.oracle.com/forums/thread.jspa?threadID=933022] (which has been marked as correct) to get the instance of module of the application.

  Jean Lou

• Return of NULL values in the table of results

  OK the guru! Your genius has helped me before (see this post... ( Help to return the query results table ) but now I would return null results 0 to the number. Below is the structure of the table (again) and my desired result (new question):
  
  The structure of the table is:
  Year of sport
  Baseball 10-11
  Football 10-11
  Football 11-12
  Football 11-12
  Football 11-12
  Baseball 11-12
  
  The result should be sports in each year and should be grouped by year but shown as columns so:
  (GROUP OF the year)
  1 hockey, ice 0, 1, Soccer baseball
  2, 1, Football Soccer 1, Baseball
  
  The new portion of this question is the "0, Soccer.
  
  Thanks for any help!

  Hello

  For counties of 0, you must join of a table that has one row per sport.
  If you do in fact have such a table, you can build a game on the fly that will work just as well of results:

  WITH     all_sports     AS
  (
       SELECT DISTINCT  sport
       FROM              t
  )
  ,     sport_year_totals     AS
  (
       SELECT       s.sport
       ,       t.year
       ,       COUNT (t.sport)     AS cnt
       FROM             all_sports  s
       LEFT OUTER JOIN                t  PARTITION BY (year)
                                        ON  s.sport  = t.sport
       GROUP BY  s.sport
       ,            t.year
  )
  SELECT   year
  ,       LISTAGG ( cnt || ', ' || sport
              , ' '
             ) WITHIN GROUP (ORDER BY  sport)     AS sports
  FROM      sport_year_totals
  GROUP BY  year
  ORDER BY  year
  ;
  

  However, you may find it useful to have a table with one line per sport really. In this case, you wouldn't need the first auxiliary request. Simply use your name of the table where I used all_sports.

  I copied the example of data that MichaelS posted in your previous thread {message identifier: = 10388879} below.
  You should always post sample data yourself when you ask a question, especially if everything you have to do is copy and paste from another thread.

  CREATE TABLE t as (
   select 'Baseball' sport, '10-11' year from dual union all
   select 'Football', '10-11' from dual union all
   select 'Football', '11-12' from dual union all
   select 'Football', '11-12' from dual union all
   select 'Soccer',   '11-12' from dual union all
   select 'Baseball', '11-12' from dual
  );
  

• return type is not specified... return type so how you return a null value

  My problem seems to be when no results are returned, I would return the same type of object, but as a null value, or almost, I think that's what I would do. If someone could please throw some light on how I should return a null object I would be very grateful.

  I should note I've already tried to return entityNew ("someObj") and which resulted also in failure.

  <!--get some object-->

  < cffunction name = "getSomeObject" returntype = "someObj" = "remote access" >

  < name cfargument = "client_key" required = "true" type = "string" >

  < name cfargument = "customer_id" type = "string" required = "true" / >

  < cfscript >

  value = [];

  value = entityload ("une_table", {client_key = "#client_key #", customer_id = "#customer_id #"});

  If (ArrayLen (value) == 1)

  {

  Returns the value [1];

  }

  return;

  < / cfscript >

  < / cffunction >

  < / cfproperty >

  Thank you in advance!

  You do something like ?

  If so, then again CF has no concept of null so you cannot assign to a variable CF.  If you return null, first change your attribute of the returntype to "any" and return it directly,

• How to return a NULL value in LOV and insert into a field of allowingNULL number 4?

  Hello
  
  I have the following LOV and the return_value is PeopleId which is number 4, allowing NULL. And the LOV options are as follows:
  
  LOV named--> select named LOV-
  Show Extra values-> no
  Dynamic translation-> - untranslated-
  The number of columns - > 1
  Display Null-> Yes
  Null-> - Select value-
  Return NULL,-> NULL value
  ^^^^^^^^^^^^^^^
  
  ----------------
  
  List of values definition:
  Select Lname | ', ' || Fname | ' ' || Mname as display_value, PeopleId as return_value
  of PEOPLETB
  where PEOPLETYPE ('i', 'HERE', 'IF')
  order by 1
  --------------
  
  Given that PoepleId is a number 4, allowing NULL. I want a NULL value will be inserted, if the user does not select anything in the drop-down list. It seems that I would get "ORA-01722: invalid number" error when the PeopleId msg is null (ie: user doesn't have a selection). What is the good 'return Null value' I need to put it in? I tried "NULL" (see above) or nothing, it still does not work.
  
  Any suggestions?
  
  Thank you very much
  Helen

  Hello Helen,.

  You have found one of the many sources of my frustration with APEX. Here's what I do:

  In the definition of the element in your page, go to the LOV part and implemented like this:

  Display Extra values: Yes a dynamic conversion (I ignore this)
  Number of columns: 1 display Null: No.
  Display null value: (leave blank) return Null value: (leave blank)

  An empty row is displayed when the user comes first to the screen. If they do NOT select the drop-down list, the value is left empty (null).

  If anyone has a better way, I will definitely experiment with it.

  Don.

• XMLDOM. Item returns a null value

  Hi, I have a little problem with xmldom.item treatment.
  
  For some reason, this statement returns me null and I don't know the reason why, here is a sample of what I'm doing:
  
  Select MENSAGEMXML in the R_BD_SS_XML_SP lobExistente where idSP = P_idSP;
  parserXML: = xmlparser.newparser;
  XMLParser.parseclob (parserXML, lobExistente);
  documentoExistente: = xmlparser.getdocument (parserXML);
  XMLParser.freeparser (parserXML);
  
  parserXML: = xmlparser.newparser;
  XMLParser.parseclob (parserXML, P_documento);
  documentoNovo: = xmlparser.getdocument (parserXML);
  XMLParser.freeparser (parserXML);
  
  listaNosAAdicionar: = xmldom.getElementsByTagName(documentoNovo,'R_Acti_API_SP');
  
  listaRootNode: = xmldom.getElementsByTagName(documentoExistente,'ListagemAvarias');
  
  
  rootNode: = xmldom.item (listaRootNode, 0);
  Size: = xmldom. GETLENGTH (listaNosAAdicionar);
  dbms_output.put_line (' we have ['| size |'] our add para.');
  
  
  Contador in 0.tamanho - 1 loop
  dbms_output.put_line (' #' |) Contador);
  n: = xmldom.item (listaNosAAdicionar, size);
  Xmldom.isnull (n) = FALSE then if - <-this allways failure condition why is - what happens if contador reiterated 7 times?
  dbms_output.put_line (' node: ' | xmldom.getNodeName (n) |'. ');
  outroN: = XMLDOM.importnode (n, documentoNovo, true);
  on the other
  dbms_output.put_line ('node does not exist');
  end if;
  end loop;
  
  OK, if the stetement
  
  Size: = xmldom. GETLENGTH (listaNosAAdicionar);
  
  the value 7 which meens that listaNosAAdicionar made of nodes inside why
  
  n: = xmldom.item (listaNosAAdicionar, size);
  
  allways return null?
  
  I use Oracle 9i.
  
  Thank you
  Best regards
  João
  
  Published by: João Lopes on July 6, 2009 09:29

  Shouldn't this line

  n: = xmldom.item (listaNosAAdicionar, size);

  be

  n: = xmldom.item (listaNosAAdicionar, contador);

  While you're picking up each element in the list as you go through the loop?

• ApplicationDescriptor returns a null value

  Hello

  When I'm debugging on a real device, it seems that ApplicationDescriptor () .getApplicationDescriptor () returns null.

  When I debug it in the Simulator, he returns the expected result. I suspect it has to do with the way the application is loaded to the device by eclipse.

  Everyone knows simular behavior?

  Weird, after restarting my device this problem occurs no long...

• Load the process returns a null value but on refresh the values of loads? !!

  Hi all

  With the help of apex 4.1.1 oc4j 11g Linux

  I'm building a feature that allows you to register by e-mail.

  Page 1

  The user enters a name email address ,& the last statement name Insert is executed

  Select count (*) in c_email - if 0 then the person does not exist and is permitted

  of sor_notification_person

  where sor_notification_person. EMAIL_ADDRESS = P_S_EMAIL_ADDRESS;

  If c_email = 0 then

  -Package.procedure send email and fact the insert

  SOR_NOTIFICATIONS_PKG. signup_person (P_S_EMAIL_ADDRESS = > P_S_EMAIL_ADDRESS,)

  P_S_FIRST_NAME = > P_S_FIRST_NAME,

  P_S_LAST_NAME = > P_S_LAST_NAME,

  P_S_CONFIRMED_EMAIL = > P_S_CONFIRMED_EMAIL,

  P_S_SESSION = > P_S_SESSION,

  P_S_APP_ID = > P_S_APP_ID,

  P_B_SUCCESS = > P_B_SUCCESS);

  Page 2

  Clicking or copying pasting the URL received in e-mail. I have on the loading process that verifies the checksum value in DB and fills in the data.

  declare

  number of CT ;

  P31_checksum(Varchar2) 30).

  E-mail varchar2 (90);

  What varchar2 (40);

  L_Name varchar2 (40);

  P31_TEST(Varchar2) 40).

  Start

  : P31_TEST := null;

  SELECT count ()*) in ct

  OF SOR_NOTIFICATION_PERSON

  où SOR_NOTIFICATION_PERSON. checksum =:C;

  DBMS_OUTPUT. put_line ()ct);

  if CT > 0

  then

  SELECT SOR_NOTIFICATION_PERSON. email_address SOR_NOTIFICATION_PERSON. name, SOR_NOTIFICATION_PERSON. last_name in l_name what Email

  OF SOR_NOTIFICATION_PERSON

  où SOR_NOTIFICATION_PERSON. checksum =:C;

  : P31_TEST := 'Y ';

  : P31_EMAIL_ADDRESS:= Email;

  : P31_FIRST_NAME := what;

  : P31_LAST_NAME:= l_name;

  else : P31_TEST := 'n';

  (- dbms_output. put_line () P31_TEST);

  end if;

  end ;

  Problem when I view the item hidden, I can see the value of checksum, but the P31_test is always null in load. When I hit refresh page P31_test valid and displays the value.

  The two elements are the value only when the value in session state is null.

  What could be the reason because it does not load even the process is defined as load before region / once per page visit...

  Thanks for your help.

  Okay - not sure then. On a new blank page I can have processes assign a value to the session state from the element and the element will have this value when the page is rendered (at least with this type of source). Work of dynamic actions. As I expect. I don't know what happens next 'unfair '.

  I'll only come back tomorrow, but here are a few tips:

  • create a workspace on apex.oracle.com and upload your page there. Share of the developer credentials and the name of workspace with us. In this way may inspect and do not need to do the back and forth until we reached something special we both lost from view.
  • When the page is loaded and you hit the session in the developer toolbar, what is the State of P31_TEST? Is it worth?
  • try to run the page in debug and see if you can spot something happens with the session state from P31_TEST - maybe you'll come across something

• LocationProvider.getInstance returns a null value for the positioning of the cell PHONE location

  Hi guys.

  I'm having a problem trying to get a network of cells (MS basis) path to be able to work on my BlackBerry Bold 9000.

  Both assisted and Standalone GPS work (outside of course), but I'll try to find a way to position themselves inside the building.

  Here's what I'm going to put criteria:

  Criteria criteria = new Criteria();
  
  criteria.setHorizontalAccuracy(Criteria.NO_REQUIREMENT);
  criteria.setVerticalAccuracy(Criteria.NO_REQUIREMENT);
  criteria.setCostAllowed(true);
  criteria.setPreferredPowerConsumption(Criteria.POWER_USAGE_LOW);
  
  LocationProvider.getInstance(criteria); //<-- Returns null on real device
  

  When I run on a real device it gives me always null, when I do the same thing on a simulator, so this works:

  

  What I am doing wrong? I really need to find a way to make it work inside.

  Thanks for any input.

  Hey, Dominator,.

  I'll be real simple with you and try to make you save a LOT of time.

  Basically, cell tower positioning doesn't work out of the box on the Blackberry platform (except in a few configurations of rare device / carrier). So you can essentially throw the code you have above. If you need a place inside detection, you will need access to a database of celltowerId. These databases contain information from the Tower (Rad_error_nocontent, mnc, mcc, Lake) and its approximate location (lat/lng coordinates). This will give your application a rough estimate (less than a mile or two) from the current location of the device.

  Open source and professional databases are available. This is an open source database that runs on GSM networks (of course, he didn't 100% coverage of all the pylons). The biggest downfall is that it does not support CDMA (Sprint/Verizon) networks.

  http://openCellId.org

  You will find that most of the people on this forum are not very useful when it comes to cellTower information, positioning so you will need to research, research, research.

  Good luck

• BlackBerryLocation.getSatelliteInfo () returns a null value

  The method always returns null. Valid GPS locations are acquired, with the no. satellites given as well. I want to determine the quality of the satellite signal, I'd really like the detailed satellite information.

  As explained in a thread on this issue by another poster, I used the following method to allow information by Satellite:

  BlackBerryCriteria.setSatelliteInfoRequired (true, false);

  I tried the method of getSatelliteInfo() on the following devices.

  -Bold 9000 (5.00.1036)

  -Torch 9800 (6.0.0.246)

  The code is below.

  Any help would be greatly appreciated.

  Simon

              BlackBerryCriteria myCriteria = new BlackBerryCriteria(GPSInfo.GPS_MODE_AUTONOMOUS);
              myCriteria.setSatelliteInfoRequired(true, false);
  
              try
              {
                  BlackBerryLocationProvider myProvider =
                    (BlackBerryLocationProvider)
                      LocationProvider.getInstance(myCriteria);
  
                  try
                  {
                      BlackBerryLocation myLocation =
                        (BlackBerryLocation)myProvider.getLocation(300);
  
                      satCount= myLocation.getSatelliteCount();
                      signalQuality =
                        myLocation.getAverageSatelliteSignalQuality();
                      dataSource = myLocation.getDataSource();
                      gpsMode = myLocation.getGPSMode();
  
                      SatelliteInfo si;
                      StringBuffer sb = new StringBuffer("[Id:SQ:E:A]\n");
                      String separator = ":";
  
                      for (Enumeration e = myLocation.getSatelliteInfo();
                        e!=null && e.hasMoreElements(); )
                      {
                          si = (SatelliteInfo)e.nextElement();
                          sb.append(si.getId() + separator);
                          sb.append(si.getSignalQuality() + separator);
                          sb.append(si.getElevation() + separator);
                          sb.append(si.getAzimuth());
                          sb.append('\n');
                      }
                  }
                  catch ( InterruptedException iex )
                  {
                      return null;
                  }
                  catch ( LocationException lex )
                  {
                      return null;
                  }
              }
              catch ( LocationException lex )
              {
                  return null;
              }
  

  To obtain the information by satellite, a LocationListener must be put in place to wait for notifications in a separate thread by implementing the locationUpdated(). Please take a look at the LocationProvider class to see how setLocationListener.

• WLST getSecurityConfiguration() failed. Returns a null value

  Hi, I was doing a wlst script to create a new Weblogic domain. The script below stuck to the cmo.getSecurityConfiguration ().
  
  Any help is appreciated.
  
  The error messages are:
  
  
  Error: getSecurityConfiguration() failed. Do dumpStack() for more details.
  Unexpected error: java.lang.reflect.UndeclaredThrowableException
  com.bea.plateng.domain.script.jython.WLSTException: com.bea.plateng.domain.script.ScriptException: java.lang.NullPointerException
  at com.bea.plateng.domain.script.jython.CommandExceptionHandler.handleException(CommandExceptionHandler.java:51)
  at com.bea.plateng.domain.script.jython.WLScriptContext.handleException(WLScriptContext.java:1464)
  at com.bea.plateng.domain.script.jython.ScriptInvocationHandler.invoke(ScriptInvocationHandler.java:141)
  to $Proxy0.getSecurityConfiguration (Unknown Source)
  at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:160)
  at org.python.core.PyMethod.__call__(PyMethod.java:96)
  at org.python.core.PyObject.__call__(PyObject.java:258)
  at org.python.core.PyInstance.invoke(PyInstance.java:244)
  to org.python.pycode._pyx16.createJcashDomain$2(/cash-as1/cashadm/jcash7_0_0/wlstscripts/qa2/createDomain.py:85)
  to org.python.pycode._pyx16.call_function(/cash-as1/cashadm/jcash7_0_0/wlstscripts/qa2/createDomain.py)
  at org.python.core.PyTableCode.call(PyTableCode.java:208)
  at org.python.core.PyTableCode.call(PyTableCode.java:256)
  at org.python.core.PyFunction.__call__(PyFunction.java:169)
  to org.python.pycode._pyx16.f$0(/cash-as1/cashadm/jcash7_0_0/wlstscripts/qa2/createDomain.py:273)
  to org.python.pycode._pyx16.call_function(/cash-as1/cashadm/jcash7_0_0/wlstscripts/qa2/createDomain.py)
  at org.python.core.PyTableCode.call(PyTableCode.java:208)
  at org.python.core.PyCode.call(PyCode.java:14)
  at org.python.core.Py.runCode(Py.java:1135)
  at org.python.util.PythonInterpreter.execfile(PythonInterpreter.java:167)
  at weblogic.management.scripting.WLST.main(WLST.java:129)
  at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  in weblogic. WLST.main (WLST.java:29)
  Caused by: com.bea.plateng.domain.script.ScriptException: java.lang.NullPointerException
  at com.bea.plateng.domain.script.jython.WLScriptContext.getProxy(WLScriptContext.java:1515)
  at com.bea.plateng.domain.script.jython.ScriptInvocationHandler.convertType(ScriptInvocationHandler.java:308)
  at com.bea.plateng.domain.script.jython.ScriptInvocationHandler.invoke(ScriptInvocationHandler.java:89)
  ... more than 26
  Caused by: java.lang.NullPointerException
  at com.bea.plateng.domain.script.jython.CmoMapKey.hashCode(CmoMapKey.java:32)
  at java.util.HashMap.get(HashMap.java:300)
  at com.bea.plateng.domain.script.jython.ScriptProxyFactory.findCmo(ScriptProxyFactory.java:260)
  at com.bea.plateng.domain.script.jython.ScriptProxyFactory.findCmoByName(ScriptProxyFactory.java:254)
  at com.bea.plateng.domain.script.jython.ScriptProxyFactory.getProxy(ScriptProxyFactory.java:94)
  at com.bea.plateng.domain.script.jython.WLScriptContext.getProxy(WLScriptContext.java:1511)
  ... 28 more
  
  
  ================================
  CD("/")
  from weblogic.management.configuration import SecurityConfigurationMBean
  SC = cmo.getSecurityConfiguration)
  sc.setNodeManagerUserName ("nmUser")
  sc.setNodeManagerUserPassword ("nmPwd")

  Steven,

  Why do you not write another script once the domain is created for updating the nodemanager properties file. I sent you my scripts.
  Thank you.

  Naour Vijay.

• NULL value in the print result

  I run a SELECT statement on the form below:

  SELECT col1 |' | ' || col2 |' | ' || COL3

  TABLE;

  It gives me the following outprint, which is what I need

  col1 | col2. col3

  VARCHAR2. number | VARCHAR2

  The problem is when col2 returns a NULL value, then I get this:

  VARCHAR2. VARCHAR2

  When what I want is this:

  VARCHAR2. (null) | VARCHAR2

  Is it possible to get my results of the query to print the value NULL (null)?

  I tried the function NVL NVL (col2, 'null'), but it won't work because there is a mismatch on data types. I can get the NULL value, printed by concatenating don't not columns and save results to csv, but that does not give me the formatting that I want.

  You can convert the character number column, and then look for the NVL.

  See below:

  with data as
  (
    select 'col1' col1, 1 col2, 'col3' col3 from dual union all
    select 'col1' col1, null col2, 'col3' col3 from dual
  )
  select col1 || '|' || nvl(to_char(col2), 'null') || '|' || col3
    from data;
  
  COL1||'|'||NVL(TO_CHAR(COL2),'NULL')||'|'||COL3
  --------------------------------------------------
  col1|1|col3
  col1|null|col3
  

• CF do not return the correct results

  I have a column that has positive and negative numbers and I'm trying to separate these numbers in a separate column for each. "My code below works if each barcode has both a positive and negative number to compare, but mistakes lifted as"cannot convert"numerical value" if I just all the positive numbers in the colum. Which, in some casees, I get because I import a CSV file. Can someone help with the code? -Thank you.

  <! - SUM POSITVE AMOUNT - >
  < cfquery name = "SumPositiveTemp" datasource = "inventory" >
  SELECT the barcode, Sum (Quantity) as quantitysumPositive
  TEMP
  WHERE quantity > 0
  GROUP BY barcode
  < / cfquery >

  <!--> SUM QUANTITY NEGATIVE
  < cfquery name = "SumNegativeTemp" datasource = "inventory" >
  SELECT the barcode, Sum (Quantity) as quantitysumNegative
  TEMP
  WHERE quantity < 0
  GROUP BY barcode
  < / cfquery >
  
  <!-SUBTRACT QUANTITY ISSUED LESS QUANTITY RECEIVED IN QUANTITY SOLD-> GET
  < cfset QuanitySold = ' #SumPositiveTemp.quantitysumPositve - SumNegativeTempquantitysumNegative #' >
  
  <! - INSERT POSITVIE/NEGATIVE NUMBERS INTO TABLE - >
  < cfoutput query = "SumPositiveTemp" >
  < cfquery name = "InsertPositiveIntoCart" datasource = "inventory" >
  INSERT INTO Cart1 (barcode, QuantityOut, QuantityIn, QuantitySold)
  VALUES (#SumPositiveTemp.barcode #, #SumPositiveTemp.quantitysumPositive #, #SumNegativeTemp.quantitysumNegative #, #QuantitySold #)
  < / cfquery >
  < / cfoutput >

  Yes, I found that if the barcode was not POS and NEG numbers it returns a null value. After more research, I found that was the solution to avoid a null value and use in this situation.