How to send a two objects at the same layer (when one of them is already in the layer)?

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• Two objects with the same name

  Hi all

  In my production database, there is a materialized view and a table with the same name. The two objects have the same number and type of columns.

  Record from user_object table

  OBJECT_NAME

  SUBOBJECT_NAME

  OBJECT_ID

  DATA_OBJECT_ID

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  I have another mode to normal display, TEST_NORMAL_VIEW, which selects the data of TEST_OBJ.

  Then, on which table data select. Please give some input on this subject.

  Kind regards

  Matondo

  A materialized view has 2 objects internally for her

  1. the materialized view (it is more of a model)

  2. the table that stores the actual data.

  So when you create a materialized view, you can see 2 objects created by querying the USER_OBJECTS.

  See this

  SQL> create materialized view my_test_mv as select * from emp;
  
  Materialized view created.
  
  SQL> select object_type, object_name, data_object_id from user_objects where object_name = 'MY_TEST_MV';
  
  OBJECT_TYPE        OBJECT_NAME          DATA_OBJECT_ID
  ------------------- -------------------- --------------
  TABLE              MY_TEST_MV                  1638964
  MATERIALIZED VIEW  MY_TEST_MV
  

  Now, you may notice that DATA_OBJECT_ID has null for the MV. DATA_OBJECT_ID is the Segment where the data is stored. As MV object is just a model and does not have data to null.

  The user has no direct access to the MY_TEST_MV table. See this

  SQL> drop table my_test_mv;
  drop table my_test_mv
             *
  ERROR at line 1:
  ORA-12083: must use DROP MATERIALIZED VIEW to drop "KARTHICK"."MY_TEST_MV"
  

  Also, you can associate an existing table to a materialized using the clause ON TABLE PREDEFINED view.

  Here is an example

  SQL> drop materialized view my_test_mv;
  
  Materialized view dropped.
  
  SQL> create table my_test_mv_new as select * from emp;
  
  Table created.
  
  SQL> select object_type, object_name, data_object_id from user_objects where object_name = 'MY_TEST_MV_NEW';
  
  OBJECT_TYPE         OBJECT_NAME          DATA_OBJECT_ID
  ------------------- -------------------- --------------
  TABLE               MY_TEST_MV_NEW              1638967
  
  SQL> create materialized view my_test_mv_new on prebuilt table as select * from emp;
  
  Materialized view created.
  
  SQL> select object_type, object_name, data_object_id from user_objects where object_name = 'MY_TEST_MV_NEW';
  
  OBJECT_TYPE         OBJECT_NAME          DATA_OBJECT_ID
  ------------------- -------------------- --------------
  TABLE               MY_TEST_MV_NEW              1638967
  MATERIALIZED VIEW   MY_TEST_MV_NEW
  
  SQL>
  

  Once you associate a Table with a MV direct Table access is limited. You can directly access only the MV.

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  object sample_mc for both. So, how can I check it in the code if several objects are of the same resource of the library...

  
  var a1:MovieClip = new sample_mc();
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  A1.addEventListener (MouseEvent.Click, f_achil);
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  function f_achil(event:MouseEvent):void {}
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• Mr President, how can I enter two rows at the same time with different default values that only the first line to use see?

  Mr President.

  My worm jdev is 12.2.1

  How to enter two rows at the same time with different default values that only the first line to use see?

  Suppose I have a table with four fields as below

  "DEBIT" VARCHAR2(7) , 
    "DRNAME" VARCHAR2(50),
    "CREDIT" VARCHAR2(7) , 
    "CRNAME" VARCHAR2(50),
  

  Now I want that when I click on a button (create an insert) to create the first line with the default values below

  

  So if I click on the button and then validate the second row with different values is also inserted on commit.

  The value of the second row are like the picture below

  

  But the second row should be invisible. It could be achieved by adding vc in the vo.

  The difficult part in my question is therefore, to add the second row with the new default values.

  Because I already added default values in the first row.

  Now how to add second time default values.

  Concerning

  Mr President

  I change the code given by expensive Sameh Nassar and get my results.

  Thanks once again dear Sameh Nassar .

  My code to get my goal is

  First line of code is

      protected void doDML(int operation, TransactionEvent e) {    
  
          if(operation != DML_DELETE)
               {
                   setAmount(getPurqty().multiply(getUnitpurprice()));
               } 
  
          if (operation == DML_INSERT )
                     {
                             System.out.println("I am in Insert with vid= " + getVid());
                         insertSecondRowInDatabase(getVid(),getLineitem(),"6010010","SALES TAX PAYABLE",
                          (getPurqty().multiply(getUnitpurprice()).multiply(getStaxrate())).divide(100));      
  
                         }
  
          if(operation == DML_UPDATE)
                            {                                                    
  
                               System.out.println("I am in Update with vid= " + getVid());
                           updateSecondRowInDatabase(getVid(),
                               (getPurqty().multiply(getUnitpurprice()).multiply(getStaxrate())).divide(100));      
  
                            }                      
  
          super.doDML(operation, e);
      }
      private void insertSecondRowInDatabase(Object value1, Object value2, Object value3, Object value4, Object value5)
                {
                  PreparedStatement stat = null;
                  try
                  {
                    String sql = "Insert into vdet (VID,LINEITEM,DEBIT,DRNAME,AMOUNT) values " +
               "('" + value1 + "','" + value2 + "','" + value3 + "','" + value4 + "','" + value5 + "')";  
  
                    stat = getDBTransaction().createPreparedStatement(sql, 1);
                    stat.executeUpdate();
                  }
                  catch (Exception e)
                  {
                    e.printStackTrace();
                  }
                  finally
                  {
                    try
                    {
                      stat.close();
                    }
                    catch (Exception e)
                    {
                      e.printStackTrace();
                    }
                  }
                }  
  
                private void updateSecondRowInDatabase(Object value1, Object value5)
                {
                  PreparedStatement stat = null;
                  try
                  {
                    String sql = "update vdet set  AMOUNT='"+ value5+"' where VID='" + value1 + "'";                     
  
                    stat = getDBTransaction().createPreparedStatement(sql, 1);  
  
                    stat.executeUpdate();
                  }
                  catch (Exception e)
                  {
                    e.printStackTrace();
                  }
                  finally
                  {
                    try
                    {
                      stat.close();
                    }
                    catch (Exception e)
                    {
                      e.printStackTrace();
                    }
                  }                  
  
                }
  

  Second line code is inside a bean method

      public void addNewPurchaseVoucher(ActionEvent actionEvent) {
          // Add event code here...
  
          BindingContainer bindings = BindingContext.getCurrent().getCurrentBindingsEntry();
                 DCIteratorBinding dciter = (DCIteratorBinding) bindings.get("VoucherView1Iterator");
                 RowSetIterator rsi = dciter.getRowSetIterator();
                 Row lastRow = rsi.last();
                 int lastRowIndex = rsi.getRangeIndexOf(lastRow);
                 Row newRow = rsi.createRow();
                 newRow.setNewRowState(Row.STATUS_NEW);
                 rsi.insertRowAtRangeIndex(lastRowIndex +1, newRow);
                 rsi.setCurrentRow(newRow);
  
                 BindingContainer bindings1 = BindingContext.getCurrent().getCurrentBindingsEntry();
                 DCIteratorBinding dciter1 = (DCIteratorBinding) bindings1.get("VdetView1Iterator");
                 RowSetIterator rsi1 = dciter1.getRowSetIterator();
                 Row lastRow1 = rsi1.last();
                 int lastRowIndex1 = rsi1.getRangeIndexOf(lastRow1);
                 Row newRow1 = rsi1.createRow();
                 newRow1.setNewRowState(Row.STATUS_NEW);
                 rsi1.insertRowAtRangeIndex(lastRowIndex1 +1, newRow1);
                 rsi1.setCurrentRow(newRow1);
      }
  

  And final saveUpdate method is

      public void saveUpdateButton(ActionEvent actionEvent) {
          // Add event code here...
  
          BindingContainer bindingsBC = BindingContext.getCurrent().getCurrentBindingsEntry();      
  
                 OperationBinding commit = bindingsBC.getOperationBinding("Commit");
                 commit.execute(); 
  
          OperationBinding operationBinding = BindingContext.getCurrent().getCurrentBindingsEntry().getOperationBinding("Commit");
          operationBinding.execute();
          DCIteratorBinding iter = (DCIteratorBinding) BindingContext.getCurrent().getCurrentBindingsEntry().get("VdetView1Iterator");// write iterator name from pageDef.
          iter.getViewObject().executeQuery();  
  
      }
  

  Thanks for all the cooperation to obtain the desired results.

  Concerning

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  Actually I am new to conditional tags and I don't know how to use them. Could you please help me to do this or recommend a link on how to use condtional tags to produce different outputs.
  
  Thank you very much
  
  

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• How to create a new object on the other list list

  Hello

  I'm trying to insert the result of a query in a list in order to put the new values based on the results of the first query: for example, I have this table which contains records:

  
  

  
  

  

  
  

  My question is:OE to create a new list object on the other hand, if you see the picture shows my list, I want to create another list where I stock ordred values if we in line December we will put 1 in column 12 and if we April we put 1 in the 4th column and if we find in my current line November we put 1 in column 11 :

  I'm stuck in this function

  public List<VisiteCons> MyListResult() {

   Query query = em.createQuery("SELECT o FROM Visite o ");
   List<Visite> visites = query.getResultList();
   List<VisiteCons> result = new ArrayList<VisiteCons>();
   for(int row = 0 ; row < visites.size() ; row++) {

   int m1 = 0, m2 = 0, m3 = 0, m4 = 0, m5 = 0, m6 = 0, m7 = 0, m8 = 0, m9 = 0, m10 = 0, m11 = 0, m12 = 0;
   //Pour m1 january
   if(visites.get(row).getM1().equals("janvier")){
  m1 = 1;
   }
   VisiteCons vc =  new VisiteCons( m1, m2, m3, m4, m5
   , m6, m7, m8, m9
   , m10, m11,m12);
  result.add(vc);
   }
   return  result;

}

  VisiteCons is a constructor that I created.

  
  

  
  

  and this my entity:

  package model;

  import java.io.Serializable;

  Import javax.persistence.Column;

  Import javax.persistence.Entity;

  Import javax.persistence.Id;

  Import javax.persistence.NamedQueries;

  Import javax.persistence.NamedQuery;

  @Entity

  @NamedQueries ({@NamedQuery (name = "Visite.findAll", query = "select visit o o")})

  Visit/public class implements Serializable {}

  private public static final long serialVersionUID =-6069673717468618734 L;

  @Column (length = 4000)

  private String year;

  @Column (nullable = false, length = 100)

  customer private string;

  @Column (length = 4000)

  private String dep.

  @Column (length = 4000)

  private String State;

  @Id

  @Column (nullable = false, length = 100)

  private String idvisite;

  @Column (length = 4000)

  private String ingaff;

  @Column (length = 20)

  private String m1;

  @Column (length = 20)

  private String m10;

  @Column (length = 20)

  private String m11;

  @Column (length = 20)

  private String m12;

  @Column (length = 20)

  private String m2;

  @Column (length = 20)

  private String m3;

  @Column (length = 20)

  private String m4;

  @Column (length = 20)

  private String m5;

  @Column (length = 20)

  private String m6;

  @Column (length = 20)

  private String m7;

  @Column (length = 20)

  private String m8;

  @Column (length = 20)

  private String m9;

  @Column (length = 4000)

  private String moisvisite;

  @Column (length = 4000)

  private String nbvisites;

  @Column (length = 4000)

  private String prbvisite;

  public Visite() {}

  }

  Visit public (String year, String customer, String dep, State of, string idvisite, String ingaff, String m1,

  M10, m11 String, String m12, m2, m3, m4, m5 String String String String String, string m6, m7 of the chain,

  String m8, m9 String, String moisvisite, String nbvisites, String prbvisite) {}

  This.Annee = year;

  This.client = client;

  This.DEP = dep;

  This.Etat = State;

  This.idvisite = idvisite;

  This.ingaff = ingaff;

  This.M1 = m1;

  This.M10 = m10;

  This.M11 = m11;

  This.M12 = m12;

  This.M2 = m2;

  This.M3 = m3;

  This.M4 = m4;

  This.M5 = m5;

  This.M6 = m6;

  This.M7 = m7;

  This.M8 = m8;

  This.M9 = m9;

  This.moisvisite = moisvisite;

  This.nbvisites = nbvisites;

  This.prbvisite = prbvisite;

  }

  public String {} year

  return year;

  }

  {} public void Name\backup (String year)

  This.Annee = year;

  }

  public String getClient() {}

  customer feedback;

  }

  {} public void setClient (string customer)

  This.client = client;

  }

  public String getDep() {}

  return the dep;

  }

  {} public void setDep (String dep)

  This.DEP = dep;

  }

  public String getEtat() {}

  return status;

  }

  {} public void setEtat (String State)

  This.Etat = State;

  }

  public String getIdvisite() {}

  Return idvisite;

  }

  {} public void setIdvisite (String idvisite)

  This.idvisite = idvisite;

  }

  public String getIngaff() {}

  Return ingaff;

  }

  {} public void setIngaff (String ingaff)

  This.ingaff = ingaff;

  }

  public String getM1() {}

  return m1;

  }

  public void setM1 (String m1) {}

  This.M1 = m1;

  }

  public String getM10() {}

  return m10;

  }

  public void setM10 (String m10) {}

  This.M10 = m10;

  }

  public String getM11() {}

  return the m11;

  }

  public void setM11 (String m11) {}

  This.M11 = m11;

  }

  public String getM12() {}

  return m12;

  }

  public void setM12 (String m12) {}

  This.M12 = m12;

  }

  public String getM2() {}

  return m2;

  }

  public void setM2 (String m2) {}

  This.M2 = m2;

  }

  public String getM3() {}

  return m3;

  }

  public void setM3 (String m3) {}

  This.M3 = m3;

  }

  public String getM4() {}

  Return to m4;

  }

  public void setM4 (String m4) {}

  This.M4 = m4;

  }

  public String getM5() {}

  return m5;

  }

  public void setM5 (String m5) {}

  This.M5 = m5;

  }

  public String getM6() {}

  return of m6;

  }

  public void setM6 (String m6) {}

  This.M6 = m6;

  }

  public String getM7() {}

  return m7;

  }

  public void setM7 (String m7) {}

  This.M7 = m7;

  }

  public String getM8() {}

  back m8;

  }

  public void setM8 (String m8) {}

  This.M8 = m8;

  }

  public String getM9() {}

  return m9;

  }

  public void setM9 (String m9) {}

  This.M9 = m9;

  }

  public String getMoisvisite() {}

  Return moisvisite;

  }

  {} public void setMoisvisite (String moisvisite)

  This.moisvisite = moisvisite;

  }

  public String getNbvisites() {}

  Return nbvisites;

  }

  {} public void setNbvisites (String nbvisites)

  This.nbvisites = nbvisites;

  }

  public String getPrbvisite() {}

  Return prbvisite;

  }

  {} public void setPrbvisite (String prbvisite)

  This.prbvisite = prbvisite;

  }

  }

  You can create a view in the db which reads the data from the table and display it in a different way. Then you use the view to get the data in the format and display it in the user interface

  Sample:

  -create a test line

  Select 1 id, m1 'sep', 'mar' m2, m3 'Feb' from dual;

  -output:

  ID: M1 M2 M3

  ---------- --- --- ---

  1 sep mar Feb

  -which means that your table has a row with Id = 1 nd three visits (MS, mar and Feb).  Now give us a different look from these data using the select statement

  SELECT id,

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), "jan") > 0 then 'X' other ' ' end) jan.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| ((m3), "February") > 0 then 'X' other ' ' end) Feb.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), "mar") > 0 then 'X' other ' ' end) mar.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), ("apr") > 0 then 'X' other ' ' end) Apr.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| ((m3), 'can') > 0 then 'X' other ' ' end) may,

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), "jun") > 0 then 'X' other ' ' end) June,.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), "Jun") > 0 then 'X' other ' ' end) Jul.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| ((m3), "August") > 0 then 'X' other ' ' end) aug.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), "MS") > 0 then 'X' else ' ' end) Ms.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), 'OCTS') > 0 then 'X' other ' ' end) oct.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), "nov") > 0 then 'X' other ' ' end) nov.

  (case when ((m1||' +'|| m2 ||) instr)) » +'|| (m3), "dec") > 0 then 'X' other ' ' end) dec

  from (select 1 id, m1 'sep', 'mar' m2, m3 "feb" double);

  -output

  ID J F M A M J J A S O N D

  ---------- - - - - - - - - - - - -

  1 X X X

  or tabular

  

  You can create a similar sql statement (and there are better ways to do this, but I'm not the whiz sql) and use it to create a database from this view.

  I don't understand what you mean by

  .. and is there a solution of programmatly

  Timo

• How to send a file without closing the socket?

  I wrote a program to transfer a file by using the tcp connection, where I closed the socket because the receiver must detect the end-file.  But now I would extend it to several files for which I shouldn't close the socket until all files are sent. I can't find a way to do this. So please help to solve.

  Such a long thread, so many errors.

  > Send an end of file marker after each file

  Eventually, which cannot work unless the EOF marker can occur in the file, which is unknowable, or there is a convention of escape agreed where it occurs in the file. In which case, you must also apply the convention to escape to escape Convention. For example, you can terminate with ETX and escape with ESC, but this means that the ETX and ESC must be escaped in the data file, and which in turn means that you need to escape out of ETX and ESC ESC ESC when you receive.

  > In the link, they said the error to happen is because of the header

  No, in the link, they said that the error is caused by using a BufferedReader and then read directly the data stream. Jet disappears in a BufferedReader, err, buffering.

  > BufferedReader has a read (byte [] buffer) method

  No, BufferedReader doesn't have a read (byte [] buffer) method.

  Follows a proven response, unspeculative with code.

  1 use the sender DataOutputStream and DataInputStream to the receiver.

  2 send the file name with writeUTF() and read with readUTF().

  3. send the length of file with writeLong() and read it with readLong().

  4. send and receive exactly that number of bytes, as follows:

  length = din.readLong (); in the receiver, or File.length (to sender)

  total length = 0;

  int count;

  ubyte [] buffer = new byte [8192]; or what you want, any size > zero

  While (total < length="" &&="" (count="din.read(buffer," 0,="" (int)math.min(buffer.length,="" length-total)))=""> 0)

  {

  dout. Write (buffer, 0, count);

  Total += count;

  }

  Errors and omissions excepted. You can use this code on both ends.