Quelle  dml041.cob

       IDENTIFICATION DIVISION.
       PROGRAM-ID.  DML041.
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
       SOURCE-COMPUTER.  xyz.
       OBJECT-COMPUTER.  xyz.
       DATA DIVISION.
       WORKING-STORAGE SECTION.


      * EMBEDDED COBOL (file "DML041.PCO")  

      ****************************************************************
      *                                                              
      *                 COMMENT SECTION                              
      *                                                              
      * DATE 1988/10/25 EMBEDDED COBOL LANGUAGE                          
      * NIST SQL VALIDATION TEST SUITE V6.0
      *  DISCLAIMER:                                                  
      *  This program was written by employees of NIST to test SQL    
      *  implementations for conformance to the SQL standards.        
      *  NIST assumes no responsibility for any party's use of        
      *  this program.
      *                                                              
      * DML041.PCO                                                    
      * WRITTEN BY: HU YANPING                                       
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED C BY CHRIS SCHANZLE
      *                                                              
      *   THIS ROUTINE TESTS THE ENFORCEMENT OF                      
      *     CHECK CONSTRAINTS IN NESTED VIEWS                       
      *                                                              
      * REFERENCES                                                   
      *       AMERICAN NATIONAL STANDARD database language - SQL     
      *                         X3.135-1989                          
      *                                                              
      *      8.7 <insert statement>, 8.11 & 8.12 <update statements> 
      *                                                              
      ****************************************************************



           EXEC SQL BEGIN DECLARE SECTION END-EXEC
       01  EMPNO1 PIC  X(3).
       01  GRADE1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  I PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  uid PIC X(18).
       01  uidx PIC X(18).
           EXEC SQL END DECLARE SECTION END-EXEC
       01  SQLCODE PIC S9(9) COMP.
       01  errcnt PIC S9(4) DISPLAY SIGN LEADING SEPARATE.
       01  ifpass PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  SQL-COD PIC S9(9) DISPLAY SIGN LEADING SEPARATE.


      * date_time declaration *
       01  TO-DAY PIC 9(6).
       01  THE-TIME PIC 9(8).
    
       PROCEDURE DIVISION.
       P0.

           MOVE "HU" TO uid
           CALL "AUTHID" USING uid
           MOVE "not logged in, not" TO uidx
           EXEC SQL SELECT 
                 USER INTO :uidx FROM HU.ECCO END-EXEC
           if (uid NOT = uidx) then
             DISPLAY "ERROR: User " uid " expected."
             DISPLAY "User " uidx " connected."
             DISPLAY " "
             STOP RUN
           END-IF

           MOVE 0 TO errcnt
           DISPLAY
           "SQL Test Suite, V6.0, Embedded COBOL, dml041.pco"
           DISPLAY " "
           DISPLAY
           "59-byte ID"
           DISPLAY "TEd Version #"
           DISPLAY " "
      * date_time print *
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME


      ******************** BEGIN TEST0212 *******************

           DISPLAY "                   TEST0212      "
           DISPLAY "   This routine tests nested view definitions   "
           DISPLAY "     - - - - - - - - - - - - - - - - - - -"

      *   CREATE VIEW V_WORKS1                
      *          AS SELECT * FROM WORKS       
      *             WHERE HOURS > 15          
      *          WITH CHECK OPTION;           

      *   CREATE VIEW V_WORKS2                
      *          AS SELECT * FROM V_WORKS1    
      *             WHERE EMPNUM = 'E1'       
      *                OR EMPNUM = 'E6';      

      *   CREATE VIEW V_WORKS3                
      *          AS SELECT * FROM V_WORKS2    
      *             WHERE PNUM = 'P2'         
      *                OR PNUM = 'P7'         
      *          WITH CHECK OPTION;           

           MOVE 1 TO ifpass

           EXEC SQL INSERT INTO V_WORKS2
             VALUES('E9','P7',13) END-EXEC
           MOVE SQLCODE TO SQL-COD

           if (SQLCODE  =  0) then
             DISPLAY "Fail:  Violates constraint of "
             DISPLAY "       underlying view (with check option)"
             MOVE 0 TO ifpass
           END-IF

           EXEC SQL INSERT INTO V_WORKS2
             VALUES('E7','P4',95) END-EXEC
           MOVE SQLCODE TO SQL-COD

           if (SQLCODE  NOT =  0) then
             DISPLAY "Fail: Will not insert outside of view 2 def. (no
      -    " check),"
             DISPLAY "Satisfies constraint of underlying view (with
      -    " check opt)"
             MOVE 0 TO ifpass
           END-IF

           EXEC SQL INSERT INTO V_WORKS3
             VALUES('E8','P2',85) END-EXEC
           MOVE SQLCODE TO SQL-COD

      *NOTE: The standard is not completely clear which of these  
      *      options is intended, so this code does not result in 
      *      pass or fail.                                        
      *Either of the two following results is acceptable:         
      *This is just an informational sub-test                     
           if (SQLCODE  =  0) then
             DISPLAY "Inserts row which is:"
             DISPLAY "  Inside view 1 def. (with check)"
             DISPLAY "  Outside view 2 def. (no check)"
             DISPLAY "  Inside view 3 def. (with check)"
             DISPLAY "Outer check option does not imply inner check
      -    " options"
           else
             DISPLAY "Will not insert row which is:"
             DISPLAY "  Inside view 1 def. (with check)"
             DISPLAY "  Outside view 2 def. (no check)"
             DISPLAY "  Inside view 3 def. (with check)"
             DISPLAY "Outer check option implies inner check options"
           END-IF

           EXEC SQL INSERT INTO V_WORKS3
             VALUES('E1','P7',90) END-EXEC
           MOVE SQLCODE TO SQL-COD

           if (SQLCODE  NOT =  0) then
             DISPLAY "Fail: Will not insert row satisfying "
             DISPLAY "       all nested view definitions"
             MOVE 0 TO ifpass
           END-IF

           EXEC SQL INSERT INTO V_WORKS3
             VALUES('E9','P2',10) END-EXEC
           MOVE SQLCODE TO SQL-COD

           if (SQLCODE  =  0) then
             DISPLAY "Fail: Violates constraint of "
             DISPLAY "      underlying view (with check option)"
             MOVE 0 TO ifpass
           END-IF

           MOVE 0 TO I

           EXEC SQL SELECT COUNT(*)
             INTO  :I
             FROM  WORKS
             WHERE EMPNUM = 'E9' END-EXEC
           MOVE SQLCODE TO SQL-COD


           if (I  >  0 ) then
             MOVE 0 TO ifpass
             DISPLAY "Fail: Nested views fail to enforce "
             DISPLAY "      underlying check constraint."
           END-IF


           MOVE 0 TO I

           EXEC SQL SELECT COUNT(*)
             INTO  :I
             FROM  WORKS
             WHERE HOURS > 85 END-EXEC
           MOVE SQLCODE TO SQL-COD

           if (I  <  2) then
             DISPLAY "Fail: Will not insert rows satisfying underlying
      -    " views"
             MOVE 0 TO ifpass
           END-IF


           EXEC SQL ROLLBACK WORK END-EXEC
           MOVE SQLCODE TO SQL-COD

           if (ifpass  =  1) then
             DISPLAY "              *** pass *** "
             EXEC SQL INSERT INTO TESTREPORT VALUES('0212','pass','PCO')
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY "    dml041.pco  *** fail *** "
             EXEC SQL INSERT INTO TESTREPORT VALUES('0212','fail','PCO')
             END-EXEC
             ADD 1 TO errcnt
             MOVE SQLCODE TO SQL-COD
           END-IF


           DISPLAY "==================================================="

           DISPLAY  " "

           EXEC SQL COMMIT WORK END-EXEC
           MOVE SQLCODE TO SQL-COD
      ******************** END TEST0212 *******************


      **** TESTER MAY CHOOSE TO INSERT CODE FOR errcnt > 0
           STOP RUN.

      *    ****  Procedures for PERFORM statements