Quelle dml018.cob Sprache: Cobol

       IDENTIFICATION DIVISION.
       PROGRAM-ID.  DML018.
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
       SOURCE-COMPUTER.  xyz.
       OBJECT-COMPUTER.  xyz.
       DATA DIVISION.
       WORKING-STORAGE SECTION.

      * EMBEDDED COBOL (file "DML018.PCO")

      ****************************************************************
      *
      *                 COMMENT SECTION
      *
      * DATE 1987/08/21 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.
      *
      * DML018.PCO
      * WRITTEN BY: HU YANPING
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED C BY CHRIS SCHANZLE
      *
      *   THIS ROUTINE TESTS THE HAVING CLAUSE IN THE SQL LANGUAGE.
      *
      * REFERENCES
      *       AMERICAN NATIONAL STANDARD database language - SQL
      *                         X3.135-1989
      *
      *              SECTION 5.23 <having clause>
      *
      ****************************************************************

           EXEC SQL BEGIN DECLARE SECTION END-EXEC
       01  WEMP PIC  X(3).
       01  WPNO1 PIC  X(3).
       01  HOURS1 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  i PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  ii 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, dml018.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 TEST0069 *******************

           DISPLAY  " "
           DISPLAY " TEST0069 "
           DISPLAY " References: section 5.23 GR 2). "
           DISPLAY " - - - - - - - - - - - - - - - - - - -"
           DISPLAY "*** Select group by a single column and having the
      -    " count"
           DISPLAY "*** of the column larger than a certain value."
           DISPLAY " *** SELECT PNUM"
           DISPLAY " *** FROM WORKS"
           DISPLAY " *** WHERE PNUM > 'P1' "
           DISPLAY " *** GROUP BY PNUM"
           DISPLAY " *** HAVING COUNT(*) > 1"
           EXEC SQL DECLARE WORKS1 CURSOR FOR
             SELECT PNUM
             FROM WORKS
             WHERE PNUM > 'P1'
             GROUP BY PNUM
             HAVING COUNT(*) > 1 END-EXEC
           EXEC SQL OPEN WORKS1 END-EXEC
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           MOVE 1 TO ii
           PERFORM P50 UNTIL ii > 19
           EXEC SQL CLOSE WORKS1 END-EXEC
           MOVE SQLCODE TO SQL-COD
           DISPLAY " i should be 3; i = ", i " "

           if (i  =  3) then
             DISPLAY " *** pass *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0069','pass','PCO') END-EXEC
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml018.pco *** fail *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0069','fail','PCO') END-EXEC
             ADD 1 TO errcnt
             MOVE SQLCODE TO SQL-COD
           END-IF

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

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

      ******************** END TEST0069 *******************
      ******************** BEGIN TEST0070 *******************

           DISPLAY  " "
           DISPLAY " TEST0070 "
           DISPLAY " References: section 5.23 GR 2). "
           DISPLAY " - - - - - - - - - - - - - - - - - - -"

           DISPLAY " *** SELECT PNUM "
           DISPLAY " *** FROM WORKS "
           DISPLAY " *** GROUP BY PNUM "
           DISPLAY " *** HAVING COUNT(*) > 2 "
           EXEC SQL DECLARE WORKS3 CURSOR FOR
             SELECT PNUM
             FROM WORKS
             GROUP BY PNUM
             HAVING COUNT(*) > 2 END-EXEC
           EXEC SQL OPEN WORKS3 END-EXEC
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           MOVE 1 TO ii
           PERFORM P49 UNTIL ii > 19
           EXEC SQL CLOSE WORKS3 END-EXEC
           MOVE SQLCODE TO SQL-COD

           if (i  =  1  AND  WPNO1   =   "P2") then
             DISPLAY " *** pass *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0070','pass','PCO') END-EXEC
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml018.pco *** fail *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0070','fail','PCO') END-EXEC
             ADD 1 TO errcnt
             MOVE SQLCODE TO SQL-COD
           END-IF

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

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

      ******************** END TEST0070 *******************
      ******************** BEGIN TEST0071 *******************

           DISPLAY  " "
           DISPLAY " TEST0071 "
           DISPLAY " References: section 5.23 GR 3). "
           DISPLAY " - - - - - - - - - - - - - - - - - - -"

           DISPLAY "*** Select group by all the columns in WORKS and
      -    " having HOURS"
           DISPLAY "*** between a certain range."
           DISPLAY " *** SELECT EMPNUM, PNUM, HOURS"
           DISPLAY " *** FROM WORKS"
           DISPLAY " *** GROUP BY PNUM,EMPNUM,HOURS"
           DISPLAY " *** HAVING MIN(HOURS) > 12 AND MAX(HOURS) <
      -    " 80"

           EXEC SQL DECLARE WORKS4 CURSOR FOR
             SELECT EMPNUM, PNUM, HOURS
             FROM WORKS
             GROUP BY PNUM,EMPNUM,HOURS
             HAVING MIN(HOURS) > 12 AND MAX(HOURS) < 80 END-EXEC

      * This query satisfies the 5.25 SR 7), becuase table WORKS
      * only have three columns which are in GROUP BY clause.
      * see 5.25 SR 4). about <select list> "*".

           EXEC SQL OPEN WORKS4 END-EXEC
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           if (SQLCODE  =  0) then
             DISPLAY "EMPNUM PNUM HOURS "
           END-IF
           MOVE 1 TO ii
           PERFORM P48 UNTIL ii > 19
           EXEC SQL CLOSE WORKS4 END-EXEC
           MOVE SQLCODE TO SQL-COD

           if (i  =  7) then
             DISPLAY " *** pass *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0071','pass','PCO') END-EXEC
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml018.pco *** fail *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0071','fail','PCO') END-EXEC
             ADD 1 TO errcnt
             MOVE SQLCODE TO SQL-COD
           END-IF

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

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

      ******************** END TEST0071 *******************
      ******************** BEGIN TEST0072 *******************

           DISPLAY  " "
           DISPLAY " TEST0072 "
           DISPLAY " References: section 5.23 GR 4). "
           DISPLAY " - - - - - - - - - - - - - - - - - - -"

           DISPLAY " *** SELECT WORKS.PNUM"
           DISPLAY " *** FROM WORKS"
           DISPLAY " *** GROUP BY WORKS.PNUM"
           DISPLAY " *** HAVING WORKS.PNUM IN ( SELECT PROJ.PNUM"
           DISPLAY " *** FROM PROJ"
           DISPLAY " *** GROUP BY PROJ.PNUM"
           DISPLAY " *** HAVING SUM(PROJ.BUDGET) >
      -    " 25000 )"

           EXEC SQL DECLARE WORKS5 CURSOR FOR
             SELECT WORKS.PNUM
             FROM WORKS
             GROUP BY WORKS.PNUM
             HAVING WORKS.PNUM IN ( SELECT PROJ.PNUM
             FROM   PROJ
             GROUP BY PROJ.PNUM
             HAVING SUM(PROJ.BUDGET) > 25000 ) END-EXEC
           EXEC SQL OPEN WORKS5 END-EXEC
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           MOVE 1 TO ii
           PERFORM P47 UNTIL ii > 19
           EXEC SQL CLOSE WORKS5 END-EXEC
           MOVE SQLCODE TO SQL-COD
           DISPLAY " i should be 3; i = ", i " "

           if (i  =  3) then
             DISPLAY " *** pass *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0072','pass','PCO') END-EXEC
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml018.pco *** fail *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0072','fail','PCO') END-EXEC
             ADD 1 TO errcnt
             MOVE SQLCODE TO SQL-COD
           END-IF

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

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

      ******************** END TEST0072 *******************
      ******************** BEGIN TEST0073 *******************

           DISPLAY  " "
           DISPLAY " TEST0073 "
           DISPLAY " References: section 5.23 GR 1). "
           DISPLAY " - - - - - - - - - - - - - - - - - - -"

           DISPLAY " *** SELECT SUM(HOURS) "
           DISPLAY " *** FROM WORKS "
           DISPLAY " *** HAVING MIN(PNUM) > 'P0' "

           EXEC SQL DECLARE WORKS6 CURSOR FOR
             SELECT SUM(HOURS)
             FROM WORKS
             HAVING MIN(PNUM) > 'P0' END-EXEC
           EXEC SQL OPEN WORKS6 END-EXEC
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           MOVE 1 TO ii
           PERFORM P46 UNTIL ii > 19
           EXEC SQL CLOSE WORKS6 END-EXEC
           MOVE SQLCODE TO SQL-COD
           DISPLAY " i should be 1; i = ", i " "

           if (i  =  1  AND  HOURS1  =  464) then
             DISPLAY " *** pass *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0073','pass','PCO') END-EXEC
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml018.pco *** fail *** "
             EXEC SQL INSERT INTO TESTREPORT
               VALUES('0073','fail','PCO') END-EXEC
             ADD 1 TO errcnt
             MOVE SQLCODE TO SQL-COD
           END-IF

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

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

      ******************** END TEST0073 *******************

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

      *    ****  Procedures for PERFORM statements

        P50.
             EXEC SQL FETCH WORKS1 INTO
               :WPNO1 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY " PNUM = ", WPNO1
             END-IF
           ADD 1 TO ii
           .

        P49.
             EXEC SQL FETCH WORKS3 INTO
               :WPNO1 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY " PNUM = ", WPNO1
             END-IF
           ADD 1 TO ii
           .

        P48.
             EXEC SQL FETCH WORKS4 INTO
               :WEMP,:WPNO1,:HOURS1 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY WEMP " ", WPNO1 " ", HOURS1
             END-IF
           ADD 1 TO ii
           .

        P47.
             EXEC SQL FETCH WORKS5 INTO
               :WPNO1 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY " PNUM = ", WPNO1
             END-IF
           ADD 1 TO ii
           .

        P46.
             EXEC SQL FETCH WORKS6 INTO
               :HOURS1 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY " SUM of the HOURS1s = ", HOURS1
             END-IF
           ADD 1 TO ii
           .

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