Quelle dml020.cob Sprache: Cobol

       IDENTIFICATION DIVISION.
       PROGRAM-ID.  DML020.
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
       SOURCE-COMPUTER.  xyz.
       OBJECT-COMPUTER.  xyz.
       DATA DIVISION.
       WORKING-STORAGE SECTION.

      * Standard COBOL (file "DML020.SCO") calling SQL
      * procedures in file "DML020.MCO"

      ****************************************************************
      *

      *                 COMMENT SECTION
      *
      * DATE 1987/08/21 STANDARD 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.
      *
      * DML020.SCO
      * WRITTEN BY: HU YANPING
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED COBOL BY CHRIS SCHANZLE
      *
      *   THIS ROUTINE TESTS THE JOIN QUERY FUNCTIONS IN SQL.
      *
      * REFERENCES
      *       AMERICAN NATIONAL STANDARD database language - SQL
      *                         X3.135-1989
      *
      *          SECTION 5.20 <from clause>
      *
      ****************************************************************

      * EXEC SQL BEGIN DECLARE SECTION END-EXEC

       01  PPNUM PIC  X(3).
       01  PNAME1 PIC  X(20).
       01  PTYPE PIC  X(15).
       01  BUGET1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  PCITY PIC  X(15).
       01  EMPNO1 PIC  X(3).
       01  EMPNA1 PIC  X(20).
       01  GRADE1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  SCITY PIC  X(15).
       01  i PIC S9(9) DISPLAY SIGN LEADING SEPARATE.

      * EXEC SQL END DECLARE SECTION END-EXEC
       01  ii PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  uid PIC  X(18).
       01  uidx PIC X(18).
       01  SQL-COD PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  SQLCODE PIC S9(9) COMP.
       01  errcnt PIC S9(4) 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
           CALL "AUTHCK" USING SQLCODE uidx
           MOVE SQLCODE TO SQL-COD
           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, Module COBOL, dml020.sco"
           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 TEST0080 *******************

           DISPLAY " TEST0080 "
           DISPLAY " reference X3.135-1989 section 5.20
      -    " GR"
           DISPLAY "*** Simple equijoin. "
           DISPLAY " - - - - - - - - - - - - - - - - - - -"
           DISPLAY "*** SELECT
      -    " EMPNUM,EMPNAME,GRADE,STAFF.CITY,PNAME,PROJ.CITY "
           DISPLAY "*** FROM STAFF, PROJ "
           DISPLAY "*** WHERE STAFF.CITY = PROJ.CITY "

      * EXEC SQL DECLARE SNP1 CURSOR FOR
      *  SELECT EMPNUM,EMPNAME,GRADE,STAFF.CITY, PNAME, PROJ.CITY
      *  FROM STAFF, PROJ
      *  WHERE STAFF.CITY = PROJ.CITY END-EXEC
      * EXEC SQL OPEN SNP1;
           CALL "SUB1" USING SQLCODE
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           if (SQLCODE  =  0) then
             DISPLAY "EMPNUM GRADE STAFF.CITY PROJ.CITY "
           END-IF
           MOVE 1 TO ii
           PERFORM P50 UNTIL ii > 19
      * EXEC SQL CLOSE SNP1;
           CALL "SUB2" USING SQLCODE
           MOVE SQLCODE TO SQL-COD

           DISPLAY " i should be 10, i = ", i

           if (i  =  10) then
             DISPLAY " *** pass *** "
      *  EXEC SQL INSERT INTO TESTREPORT
      *    VALUES('0080','pass','MCO') END-EXEC
             CALL "SUB3" USING SQLCODE
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml020.sco *** fail *** "
      *  EXEC SQL INSERT INTO TESTREPORT
      *    VALUES('0080','fail','MCO') END-EXEC
             ADD 1 TO errcnt
             CALL "SUB4" USING SQLCODE
             MOVE SQLCODE TO SQL-COD
           END-IF

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

      * EXEC SQL COMMIT WORK;
           CALL "SUB5" USING SQLCODE
           MOVE SQLCODE TO SQL-COD

      ******************** END TEST0080 *******************
      ******************** BEGIN TEST0081 *******************

           DISPLAY " TEST0081 "
           DISPLAY " reference X3.135-1989 section 5.20
      -    " GR"
           DISPLAY " - - - - - - - - - - - - - - - - - - -"
           DISPLAY "*** Join query with additional information. "
           DISPLAY "*** SELECT
      -    " EMPNUM,EMPNAME,GRADE,STAFF.CITY,PNUM,PNAME"
           DISPLAY " PTYPE,BUDGET,PROJ.CITY "
           DISPLAY "*** FROM STAFF, PROJ "
           DISPLAY "*** WHERE STAFF.CITY = PROJ.CITY "
           DISPLAY "*** AND GRADE <> 12 "

      * EXEC SQL DECLARE SNP3 CURSOR FOR
      *  SELECT EMPNUM,EMPNAME,GRADE,STAFF.CITY,PNUM,PNAME,
      *  PTYPE,BUDGET,PROJ.CITY
      *  FROM STAFF, PROJ
      *  WHERE STAFF.CITY = PROJ.CITY
      *  AND GRADE <> 12 END-EXEC
      * EXEC SQL OPEN SNP3;
           CALL "SUB6" USING SQLCODE
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           MOVE 1 TO ii
           PERFORM P49 UNTIL ii > 19
      * EXEC SQL CLOSE SNP3;
           CALL "SUB7" USING SQLCODE
           MOVE SQLCODE TO SQL-COD

           DISPLAY " i should be 4, i = ", i

           if (i  =  4) then
             DISPLAY " *** pass *** "
      *  EXEC SQL INSERT INTO TESTREPORT
      *    VALUES('0081','pass','MCO') END-EXEC
             CALL "SUB8" USING SQLCODE
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml020.sco *** fail *** "
      *  EXEC SQL INSERT INTO TESTREPORT
      *    VALUES('0081','fail','MCO') END-EXEC
             ADD 1 TO errcnt
             CALL "SUB9" USING SQLCODE
             MOVE SQLCODE TO SQL-COD
           END-IF

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

      * EXEC SQL COMMIT WORK;
           CALL "SUB10" USING SQLCODE
           MOVE SQLCODE TO SQL-COD

      ******************** END TEST0081 *******************
      ******************** BEGIN TEST0082 *******************

           DISPLAY " TEST0082 "
           DISPLAY " reference X3.135-1989 section 5.20
      -    " GR"
           DISPLAY " - - - - - - - - - - - - - - - - - - -"
           DISPLAY "*** Join of three tables. "
           DISPLAY "*** SELECT DISTINCT STAFF.CITY, PROJ.CITY "
           DISPLAY "*** FROM STAFF, WORKS, PROJ "
           DISPLAY "*** WHERE STAFF.EMPNUM = WORKS.EMPNUM "
           DISPLAY "*** AND WORKS.PNUM = PROJ.PNUM "

      * EXEC SQL DECLARE SNP5 CURSOR FOR
      *  SELECT DISTINCT STAFF.CITY, PROJ.CITY
      *  FROM STAFF, WORKS, PROJ
      *  WHERE STAFF.EMPNUM = WORKS.EMPNUM
      *  AND WORKS.PNUM = PROJ.PNUM END-EXEC
      * EXEC SQL OPEN SNP5;
           CALL "SUB11" USING SQLCODE
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           if (SQLCODE  =  0) then
             DISPLAY "STAFF.CITY PROJ.CITY "
           END-IF
           MOVE 1 TO ii
           PERFORM P48 UNTIL ii > 19
      * EXEC SQL CLOSE SNP5;
           CALL "SUB12" USING SQLCODE
           MOVE SQLCODE TO SQL-COD

           DISPLAY " i should be 5, i = ", i

           if (i  =  5) then
             DISPLAY " *** pass *** "
      *  EXEC SQL INSERT INTO TESTREPORT
      *    VALUES('0082','pass','MCO') END-EXEC
             CALL "SUB13" USING SQLCODE
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml020.sco *** fail *** "
      *  EXEC SQL INSERT INTO TESTREPORT
      *    VALUES('0082','fail','MCO') END-EXEC
             ADD 1 TO errcnt
             CALL "SUB14" USING SQLCODE
             MOVE SQLCODE TO SQL-COD
           END-IF

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

      * EXEC SQL COMMIT WORK;
           CALL "SUB15" USING SQLCODE
           MOVE SQLCODE TO SQL-COD

      ******************** END TEST0082 *******************
      ******************** BEGIN TEST0083 *******************

           DISPLAY " TEST0083 "
           DISPLAY " reference X3.135-1989 section 5.20
      -    " GR"
           DISPLAY " - - - - - - - - - - - - - - - - - - -"
           DISPLAY "*** Joining a table with itself. "
           DISPLAY "*** SELECT FIRST1.EMPNUM, SECOND2.EMPNUM "
           DISPLAY "*** FROM STAFF FIRST1, STAFF SECOND2 "
           DISPLAY "*** WHERE FIRST1.CITY = SECOND2.CITY "
           DISPLAY "*** AND FIRST1.EMPNUM < SECOND2.EMPNUM "

      * EXEC SQL DECLARE SNP6 CURSOR FOR
      *  SELECT FIRST1.EMPNUM, SECOND2.EMPNUM
      *  FROM STAFF FIRST1, STAFF SECOND2
      *  WHERE FIRST1.CITY = SECOND2.CITY
      *  AND FIRST1.EMPNUM < SECOND2.EMPNUM END-EXEC
      * EXEC SQL OPEN SNP6;
           CALL "SUB16" USING SQLCODE
           MOVE SQLCODE TO SQL-COD
           MOVE 0 TO i
           if (SQLCODE  =  0) then
             DISPLAY "FIRST1.EMPNUM SECOND2.EMPNUM "
           END-IF
           MOVE 1 TO ii
           PERFORM P47 UNTIL ii > 19
      * EXEC SQL CLOSE SNP6;
           CALL "SUB17" USING SQLCODE
           MOVE SQLCODE TO SQL-COD

           DISPLAY " i should be 2, i = ", i

           if (i  =  2) then
             DISPLAY " *** pass *** "
      *  EXEC SQL INSERT INTO TESTREPORT
      *    VALUES('0083','pass','MCO') END-EXEC
             CALL "SUB18" USING SQLCODE
             MOVE SQLCODE TO SQL-COD
           else
             DISPLAY " dml020.sco *** fail *** "
      *  EXEC SQL INSERT INTO TESTREPORT
      *    VALUES('0083','fail','MCO') END-EXEC
             ADD 1 TO errcnt
             CALL "SUB19" USING SQLCODE
             MOVE SQLCODE TO SQL-COD
           END-IF

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

      * EXEC SQL COMMIT WORK;
           CALL "SUB20" USING SQLCODE
           MOVE SQLCODE TO SQL-COD

      ******************** END TEST0083 *******************

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

      *    ****  Procedures for PERFORM statements

        P50.
      *  EXEC SQL FETCH SNP1 INTO
      *    :EMPNO1,:EMPNA1,:GRADE1,:SCITY,:PNAME1,:PCITY END-EXEC
             CALL "SUB21" USING SQLCODE EMPNO1 EMPNA1 GRADE1 SCITY
             PNAME1 PCITY
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY EMPNO1 " ", GRADE1 " ", SCITY " ", PCITY
             END-IF
           ADD 1 TO ii
           .

        P49.
      *  EXEC SQL FETCH SNP3 INTO
      *    :EMPNO1,:EMPNA1,:GRADE1,:SCITY,:PPNUM,
      *    :PNAME1,:PTYPE,:BUGET1,:PCITY END-EXEC
             CALL "SUB22" USING SQLCODE EMPNO1 EMPNA1 GRADE1 SCITY PPNUM
             PNAME1 PTYPE BUGET1 PCITY
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY "STAFF.CITY=", SCITY " PROJ.CITY=", PCITY "
      -    " GRADE1=", GRADE1
             END-IF
           ADD 1 TO ii
           .

        P48.
      *  EXEC SQL FETCH SNP5 INTO
      *    :SCITY,:PCITY END-EXEC
             CALL "SUB23" USING SQLCODE SCITY PCITY
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY SCITY " ", PCITY
             END-IF
           ADD 1 TO ii
           .

        P47.
      *  EXEC SQL FETCH SNP6 INTO
      *    :EMPNO1,:PPNUM END-EXEC
             CALL "SUB24" USING SQLCODE EMPNO1 PPNUM
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  =  0) then
               COMPUTE i = i + 1
               DISPLAY EMPNO1 " ", PPNUM
             END-IF
           ADD 1 TO ii
           .

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