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Datei: zNMethodTableIteration.cpp Sprache: Cobol

Original von: verschiedene^©

      ***********************************************************************
      ** Licensed Materials - Property of IBM
      **
      ** Governed under the terms of the International
      ** License Agreement for Non-Warranted Sample Code.
      **
      ** (C) COPYRIGHT International Business Machines Corp. 1998 - 2002
      ** All Rights Reserved.
      **
      ** US Government Users Restricted Rights - Use, duplication or
      ** disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
      ***********************************************************************
      **
      ** SOURCE FILE NAME: lobfile.sqb
      **
      ** SAMPLE: Demonstrates the use of LOB file handles
      **
      **         This sample program demonstrates the use of LOB values.
      **         The program creates a CURSOR, and fetches the contents
      **         of the "emp_resume" table (the SAMPLE database must be
      **         installed with teh "db2sampl" executable), and then
      **         outputs the first 15 lines of the resume.
      **
      ** SQL STATEMENTS USED:
      **         BEGIN DECLARE SECTION
      **         END DECLARE SECTION
      **         CONNECT
      **         SELECT
      **
      ** OUTPUT FILE: lobfile.out (available in the online documentation)
      ***********************************************************************
      **
      ** For more information on the sample programs, see the README file.
      **
      ** For information on developing COBOL applications, see the
      ** Application Development Guide.
      **
      ** For information on using SQL statements, see the SQL Reference.
      **
      ** For the latest information on programming, compiling, and running
      ** DB2 applications, visit the DB2 application development website:
      **     http://www.software.ibm.com/data/db2/udb/ad
      ***********************************************************************

       Identification Division.
       Program-ID. "lobfile".

       Data Division.
       Working-Storage Section.

           copy "sqlenv.cbl".
           copy "sql.cbl".
           copy "sqlca.cbl".

           EXEC SQL BEGIN DECLARE SECTION END-EXEC.
       01 userid            pic x(8).
       01 passwd.
         49 passwd-length   pic s9(4) comp-5 value 0.
         49 passwd-name     pic x(18).
       01 resume            USAGE IS SQL TYPE IS CLOB-FILE.
       01 lobind            pic s9(4) comp-5.
           EXEC SQL END DECLARE SECTION END-EXEC.

       77 errloc          pic x(80).

       Procedure Division.
       Main Section.
           display "Sample COBOL program: LOBFILE".

      * Get database connection information.
           display "Enter your user id (default none): "
                with no advancing.
           accept userid.

           if userid = spaces
             EXEC SQL CONNECT TO sample END-EXEC
           else
             display "Enter your password : " with no advancing
             accept passwd-name.

      * Passwords in a CONNECT statement must be entered in a VARCHAR
      * format with the length of the input string.
           inspect passwd-name tallying passwd-length for characters
              before initial " ".

           EXEC SQL CONNECT TO sample USER :userid USING :passwd
               END-EXEC.
           move "CONNECT TO" to errloc.
           call "checkerr" using SQLCA errloc.

           move "RESUME.TXT" to resume-NAME.
           move 10 to resume-NAME-LENGTH.
           move SQL-FILE-OVERWRITE to resume-FILE-OPTIONS.

           EXEC SQL SELECT resume INTO :resume :lobind
                    FROM emp_resume
                    WHERE resume_format = 'ascii'
                    AND empno = '000130' END-EXEC.
           if lobind less than 0 go to NULL-LOB-indicated.

           display "Resume for EMPNO 000130 is in file : RESUME.TXT".
           go to End-Main.

       NULL-LOB-indicated.
           display "NULL LOB indicated".

       End-Main.
           EXEC SQL CONNECT RESET END-EXEC.
           move "CONNECT RESET" to errloc.
           call "checkerr" using SQLCA errloc.
       End-Prog.
                  stop run.

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