Importing .csv file into a Oracle Forms application

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别跟我提以往
别跟我提以往 2020-12-11 12:05

I\'ve got a question how to import a .csv file into a Oracle Forms application. We are using Oracle Forms 11g on a Oracle 12c Database.

Now we want to import a .csv

2条回答
  •  遥遥无期
    2020-12-11 13:03

    I've found a suitable solution for me now. Maybe I could do it better but this helps me so far.

    I've found the following Blog: http://tfathy.blogspot.de/2009/03/reading-from-file.html

    The Code works 100% by copy&paste and helps me from now on to complete the task.

    Maybe it might help anyone else too.

    Here is the solutioncode:

    Reading From File 
    March 19, 2009
    --------------------------------------------------
    Declare
      vfilename varchar2(500);
      in_file   Client_Text_IO.File_Type;
      linebuf   VARCHAR2(1800); 
    BEGIN
        vfilename := client_get_file_name('c:/temp/', File_Filter=>'Comma Dialimeted Files (*.csv)|*.csv|'); 
        in_file := client_Text_IO.Fopen(vfilename, 'r');  
        GO_BLOCK('Emp'); 
        FIRST_RECORD;  
      LOOP
        Client_Text_IO.Get_Line(in_file, linebuf); 
        p_output_line(linebuf);
        Client_Text_IO.New_Line; 
        Next_record; 
      END LOOP; 
       FIRST_RECORD;
    EXCEPTION
      WHEN no_data_found THEN
        Client_Text_IO.Put_Line('Closing the file...');
        Client_Text_IO.Fclose(in_file);
    END;
    -------------------------------------------------------
    PROCEDURE p_output_line(p_line varchar2) IS 
    vLINE VARCHAR2(4000);
    vVALUE VARCHAR2(1000); 
    vCOMMA_COUNT NUMBER;
    vREPORT_DATE DATE;
    BEGIN                    
     vLINE := p_line;
     vCOMMA_COUNT := LENGTH(vLINE)- LENGTH(REPLACE(vLINE,',','')); -- COUNT THE NUMBER OF COMMAS
      FOR I IN 1.. vCOMMA_COUNT+1 LOOP  
       vVALUE := SUBSTR(vLINE,1,INSTR(vLINE,',')-1);                             -- IF vLINE = 123,ABC,9877 THEN VVALUE WILL BE  123
        IF vVALUE IS NULL THEN
            vVALUE := vLINE;
        END IF;    
       vLINE := SUBSTR(vLINE,INSTR(vLINE,',')+1) ;                              -- CHANGE   123,ABC,9877 TO BE   ABC,9877  
       IF I = 1 THEN 
        :DATA.BMK_NAME := vVALUE; 
       ELSIF I = 2 THEN 
        vREPORT_DATE := last_day(to_date(vVALUE,'dd-mm-yyyy')); 
        :DATA.REPORT_DATE := vREPORT_DATE;
       ELSIF I = 3 THEN                 
        :DATA.BMK_RETURN := to_number(vVALUE);
       END IF;
      END LOOP; 
      EXCEPTION
        WHEN NO_DATA_FOUND THEN
        MESSAGE('Please Check the data type is appropriate on you excel file');
        MESSAGE('Please Check the data type is appropriate on you excel file');
    END; 
    -----------------------------------------------------------------------
    -- notes
    1- you must install webutil version 106 or later
    2- make sure that you attached and compiled the webutill.pll scucessfuly
    

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