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Datei: Sprache: Cobol

       IDENTIFICATION DIVISION.
       PROGRAM-ID.  DML184.
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
       SOURCE-COMPUTER.  xyz.
       OBJECT-COMPUTER.  xyz.
       DATA DIVISION.
       WORKING-STORAGE SECTION.

      * Standard COBOL (file "DML184.SCO") calling SQL
      * procedures in file "DML184.MCO".

      ****************************************************************
      *
      *                 COMMENT SECTION
      *
      * DATE 1996-05-23 Module COBOL LANGUAGE
      * 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.
      *
      * DML184.SCO
      * WRITTEN BY:  David Flater
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED COBOL BY CHRIS SCHANZLE
      *
      * This routine tests Intermediate SQL.
      *
      * REFERENCES
      *   FIPS PUB 127-2 14.2 Intermediate SQL
      *   ANSI SQL-1992
      *
      ****************************************************************

      * EXEC SQL BEGIN DECLARE SECTION END-EXEC
       01  SQLCODE PIC S9(9) COMP.
       01  SQLSTATE PIC  X(5).
       01  uid PIC  X(18).
       01  uidx PIC  X(18).
       01  nam1 PIC  X(30).
       01  int1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
      *  EXEC SQL END DECLARE SECTION END-EXEC
       01  norm1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  norm2 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  ALPNUM-TABLE VALUE IS
               "01234ABCDEFGH56789IJKLMNOPQRSTUVWXYZ".
           05  ALPNUM PIC X OCCURS 36 TIMES.
       01  NORMSQ.
           05  NORMSQX PIC X OCCURS 5 TIMES.
       01  errcnt PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
      *date_time declaration
       01  TO-DAY PIC 9(6).
       01  THE-TIME PIC 9(8).
       01  flag PIC S9(9) DISPLAY SIGN LEADING SEPARATE.

       01  SQL-COD PIC S9(9) DISPLAY SIGN LEADING SEPARATE.

       PROCEDURE DIVISION.
       P0.

             MOVE "FLATER " TO uid
             CALL "AUTHID" USING uid
             MOVE "not logged in, not" TO uidx
      *  EXEC SQL SELECT USER INTO :uidx FROM HU.ECCO;
             CALL "SUB1" USING SQLCODE SQLSTATE uidx
             MOVE SQLCODE TO SQL-COD
      *  EXEC SQL ROLLBACK WORK;
             CALL "SUB2" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
             if (uid  NOT  =   uidx) then
               DISPLAY "ERROR: User ", uid, " expected. User ", uidx, "
      -    " connected"
            STOP RUN
             END-IF
             MOVE 0 TO errcnt

             DISPLAY
           "SQL Test Suite, V6.0, Module COBOL, dml184.sco"
             DISPLAY
           "59-byte ID"
             DISPLAY "TEd Version #"
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME

      ******************** BEGIN TEST0897 *******************
             MOVE 1 TO flag

             DISPLAY " TEST0897"
             DISPLAY " Constraint usage redux"
             DISPLAY "References:"
             DISPLAY " F#34 -- Usage tables"
             DISPLAY " F#49 -- Constraint management"
             DISPLAY " F#32 -- User authorization"
             DISPLAY " TC3 -- Information Schema errata"
             DISPLAY " - - - - - - - - - - - - - - - - - - -"

             COMPUTE SQLCODE = -1
             MOVE "xxxxx" TO SQLSTATE

             DISPLAY "This test attempts to change session
      -    " authorizations. Because"
             DISPLAY "authorizations are implementation-defined, this
      -    " test may need"
             DISPLAY "modification. The following actions may help to
      -    " pass the test:"
             DISPLAY " -- Change the initial authid to an authid with
      -    " DBA privileges"
             DISPLAY " -- Insert code to work around
      -    " implementation-defined"
             DISPLAY " authentication mechanisms (e.g. to reconnect
      -    " with a"
             DISPLAY " different authid)."
             DISPLAY "It might not be possible to change the session
      -    " authorization,"
             DISPLAY "as explained in 16.4 GR.4. In this case, the
      -    " restrictions that"
             DISPLAY "render it impossible should be documented and the
      -    " test assumed"
             DISPLAY "to be passed."

      *This example is straight out of Len's interpretation paper H2-9

             DISPLAY "CREATE TABLE T ("
             DISPLAY " A CHAR, B CHAR, C CHAR,"
             DISPLAY " CONSTRAINT UniqueOnColsAandB UNIQUE (A, B));"
      *  EXEC SQL CREATE TABLE T (
      *    A CHAR, B CHAR, C CHAR,
      *    CONSTRAINT UniqueOnColsAandB UNIQUE (A, B));
             CALL "SUB3" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB4" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "GRANT REFERENCES (A, B) ON TABLE T TO SCHANZLE;"
      *  EXEC SQL GRANT REFERENCES (A, B) ON TABLE T TO SCHANZLE
      * ;
             CALL "SUB5" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB6" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "SET SESSION AUTHORIZATION 'SCHANZLE';"
      *  EXEC SQL SET SESSION AUTHORIZATION 'SCHANZLE';
             CALL "SUB7" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "CREATE TABLE S ("
             DISPLAY " X CHAR, Y CHAR, Z CHAR,"
             DISPLAY " CONSTRAINT RefToColsAandB FOREIGN KEY (X, Y)"
             DISPLAY " REFERENCES FLATER.T (A, B));"
      *  EXEC SQL CREATE TABLE S (
      *    X CHAR, Y CHAR, Z CHAR,
      *    CONSTRAINT RefToColsAandB FOREIGN KEY (X, Y)
      *    REFERENCES FLATER.T (A, B));
             CALL "SUB8" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB9" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "SET SESSION AUTHORIZATION 'FLATER';"
      *  EXEC SQL SET SESSION AUTHORIZATION 'FLATER';
             CALL "SUB10" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             MOVE "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" TO nam1
             DISPLAY "SELECT CONSTRAINT_NAME"
             DISPLAY " INTO :nam1"
             DISPLAY " FROM INFORMATION_SCHEMA.CONSTRAINT_TABLE_USAGE"
             DISPLAY " WHERE TABLE_SCHEMA = 'FLATER' AND TABLE_NAME =
      -    " 'T'"
             DISPLAY " AND CONSTRAINT_SCHEMA = 'FLATER';"
      *  EXEC SQL SELECT CONSTRAINT_NAME
      *    INTO :nam1
      *    FROM INFORMATION_SCHEMA.CONSTRAINT_TABLE_USAGE
      *    WHERE TABLE_SCHEMA = 'FLATER' AND TABLE_NAME = 'T'
      *    AND CONSTRAINT_SCHEMA = 'FLATER';
             CALL "SUB11" USING SQLCODE SQLSTATE nam1
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "nam1 should be UNIQUEONCOLSAANDB; its value is ",
             nam1
             if (nam1  NOT  =   "UNIQUEONCOLSAANDB") then
               MOVE 0 TO flag
             END-IF

             MOVE "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" TO nam1
             DISPLAY "SELECT CONSTRAINT_NAME"
             DISPLAY " INTO :nam1"
             DISPLAY " FROM INFORMATION_SCHEMA.CONSTRAINT_TABLE_USAGE"
             DISPLAY " WHERE TABLE_SCHEMA = 'FLATER' AND TABLE_NAME =
      -    " 'T'"
             DISPLAY " AND CONSTRAINT_SCHEMA = 'SCHANZLE';"
      *  EXEC SQL SELECT CONSTRAINT_NAME
      *    INTO :nam1
      *    FROM INFORMATION_SCHEMA.CONSTRAINT_TABLE_USAGE
      *    WHERE TABLE_SCHEMA = 'FLATER' AND TABLE_NAME = 'T'
      *    AND CONSTRAINT_SCHEMA = 'SCHANZLE';
             CALL "SUB12" USING SQLCODE SQLSTATE nam1
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "nam1 should be REFTOCOLSAANDB; its value is ",
             nam1
             if (nam1  NOT  =   "REFTOCOLSAANDB") then
               MOVE 0 TO flag
             END-IF

             MOVE 0 TO int1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE"
             DISPLAY " WHERE TABLE_SCHEMA = 'FLATER'"
             DISPLAY " AND TABLE_NAME = 'T'"
             DISPLAY " AND (COLUMN_NAME = 'A' OR COLUMN_NAME = 'B')"
             DISPLAY " AND CONSTRAINT_SCHEMA = 'FLATER'"
             DISPLAY " AND CONSTRAINT_NAME = 'UNIQUEONCOLSAANDB';"
      *  EXEC SQL SELECT COUNT(*) INTO :int1
      *    FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE
      *    WHERE TABLE_SCHEMA = 'FLATER'
      *    AND TABLE_NAME = 'T'
      *    AND (COLUMN_NAME = 'A' OR COLUMN_NAME = 'B')
      *    AND CONSTRAINT_SCHEMA = 'FLATER'
      *    AND CONSTRAINT_NAME = 'UNIQUEONCOLSAANDB';
             CALL "SUB13" USING SQLCODE SQLSTATE int1
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 2; its value is ", int1
             if (int1  NOT =  2) then
               MOVE 0 TO flag
             END-IF

             MOVE 0 TO int1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE"
             DISPLAY " WHERE TABLE_SCHEMA = 'FLATER'"
             DISPLAY " AND TABLE_NAME = 'T'"
             DISPLAY " AND (COLUMN_NAME = 'A' OR COLUMN_NAME = 'B')"
             DISPLAY " AND CONSTRAINT_SCHEMA = 'SCHANZLE'"
             DISPLAY " AND CONSTRAINT_NAME = 'REFTOCOLSAANDB';"
      *  EXEC SQL SELECT COUNT(*) INTO :int1
      *    FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE
      *    WHERE TABLE_SCHEMA = 'FLATER'
      *    AND TABLE_NAME = 'T'
      *    AND (COLUMN_NAME = 'A' OR COLUMN_NAME = 'B')
      *    AND CONSTRAINT_SCHEMA = 'SCHANZLE'
      *    AND CONSTRAINT_NAME = 'REFTOCOLSAANDB';
             CALL "SUB14" USING SQLCODE SQLSTATE int1
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 2; its value is ", int1
             if (int1  NOT =  2) then
               MOVE 0 TO flag
             END-IF

             MOVE 0 TO int1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE"
             DISPLAY " WHERE TABLE_SCHEMA = 'FLATER'"
             DISPLAY " AND TABLE_NAME = 'T';"
      *  EXEC SQL SELECT COUNT(*) INTO :int1
      *    FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE
      *    WHERE TABLE_SCHEMA = 'FLATER'
      *    AND TABLE_NAME = 'T';
             CALL "SUB15" USING SQLCODE SQLSTATE int1
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 4; its value is ", int1
             if (int1  NOT =  4) then
               MOVE 0 TO flag
             END-IF

             MOVE 0 TO int1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM INFORMATION_SCHEMA.CONSTRAINT_TABLE_USAGE"
             DISPLAY " WHERE TABLE_SCHEMA = 'FLATER'"
             DISPLAY " AND TABLE_NAME = 'T';"
      *  EXEC SQL SELECT COUNT(*) INTO :int1
      *    FROM INFORMATION_SCHEMA.CONSTRAINT_TABLE_USAGE
      *    WHERE TABLE_SCHEMA = 'FLATER'
      *    AND TABLE_NAME = 'T';
             CALL "SUB16" USING SQLCODE SQLSTATE int1
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 2; its value is ", int1
             if (int1  NOT =  2) then
               MOVE 0 TO flag
             END-IF

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB17" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE T CASCADE;"
      *  EXEC SQL DROP TABLE T CASCADE;
             CALL "SUB18" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB19" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "SET SESSION AUTHORIZATION 'SCHANZLE';"
      *  EXEC SQL SET SESSION AUTHORIZATION 'SCHANZLE';
             CALL "SUB20" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE S CASCADE;"
      *  EXEC SQL DROP TABLE S CASCADE;
             CALL "SUB21" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB22" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             if ( flag  =  1 ) then
               DISPLAY " *** pass *** "
      *    EXEC SQL INSERT INTO HU.TESTREPORT
      *      VALUES('0897','pass','MCO');
               CALL "SUB23" USING SQLCODE SQLSTATE
               MOVE SQLCODE TO SQL-COD
             else
               DISPLAY " dml184.mco *** fail *** "
      *    EXEC SQL INSERT INTO HU.TESTREPORT
      *      VALUES('0897','fail','MCO');
               CALL "SUB24" USING SQLCODE SQLSTATE
               MOVE SQLCODE TO SQL-COD
               COMPUTE errcnt = errcnt + 1
             END-IF

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

      *  EXEC SQL COMMIT WORK;
             CALL "SUB25" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
      ******************** END TEST0897 ********************
      **** TESTER MAY CHOOSE TO INSERT CODE FOR errcnt > 0
           STOP RUN.

      *    ****  Procedures for PERFORM statements

      *Test SQLCODE and SQLSTATE for normal completion.
       CHCKOK.
             DISPLAY "SQLCODE should be 0; its value is ", SQL-COD
             DISPLAY "SQLSTATE should be 00000; its value is ", SQLSTATE
             PERFORM NOSUBCLASS THRU EXIT-NOSUBCLASS
             if (SQLCODE NOT =  0  OR   NORMSQ NOT = "00000") then
               MOVE 0 TO flag
             END-IF
             if (NORMSQ = "00000"  AND  NORMSQ NOT = SQLSTATE)
             then
               DISPLAY "Valid implementation-defined SQLSTATE accepted."
             END-IF
             .

       NOSUBCLASS.

      *This routine replaces valid implementation-defined
      *subclasses with 000.  This replacement equates valid
      *implementation-defined subclasses with the 000 value
      *expected by the test case; otherwise the test will fail.
      *After calling NOSUBCLASS, NORMSQ will be tested
      *                          SQLSTATE will be printed.

           MOVE SQLSTATE TO NORMSQ

           MOVE 3 TO norm1
      *subclass begins in position 3 of char array NORMSQ
      *valid subclass begins with 5-9, I-Z, end of ALPNUM table
           PERFORM VARYING norm2 FROM 14 BY 1 UNTIL norm2 > 36
           if (NORMSQX(norm1)  =  ALPNUM(norm2)) then
             MOVE "0" TO NORMSQX(norm1)
           END-IF
           END-PERFORM

      *Quit if NORMSQ is unchanged.  Subclass is not impl.-def.
      *Changed NORMSQ means implementation-defined subclass,
      *so proceed to zero it out, if valid (0-9,A-Z)
           if (NORMSQ   =   SQLSTATE) then
             GO TO EXIT-NOSUBCLASS
           END-IF

           MOVE 4 TO norm1
      *examining position 4 of char array NORMSQ
      *valid characters are 0-9, A-Z
           PERFORM VARYING norm2 FROM 1 BY 1 UNTIL norm2 > 36
           if (NORMSQX(norm1)  =  ALPNUM(norm2)) then
             MOVE "0" TO NORMSQX(norm1)
           END-IF
           END-PERFORM

           MOVE 5 TO norm1
      *valid characters are 0-9, A-Z
      *examining position 5 of char array NORMSQ
           PERFORM VARYING norm2 FROM 1 BY 1 UNTIL norm2 > 36
           if (NORMSQX(norm1)  =  ALPNUM(norm2)) then
             MOVE "0" TO NORMSQX(norm1)
           END-IF
           END-PERFORM

      *implementation-defined subclasses are allowed for warnings
      *(class = 01).  These equate to successful completion
      *SQLSTATE values of 00000.
      *Reference SQL-92 4.28 SQL-transactions, paragraph 2

           if (NORMSQX(1)  =  "0"  AND  NORMSQX(2)  =  "1") then
             MOVE "0" TO NORMSQX(2)
           END-IF
           .

       EXIT-NOSUBCLASS.
           EXIT.

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