Quellcode-Bibliothek dml117.cob Sprache: Cobol

       IDENTIFICATION DIVISION.
       PROGRAM-ID.  DML117.
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
       SOURCE-COMPUTER.  xyz.
       OBJECT-COMPUTER.  xyz.
       DATA DIVISION.
       WORKING-STORAGE SECTION.

      * EMBEDDED COBOL (file "DML117.PCO")

      ****************************************************************
      *
      *                 COMMENT SECTION
      *
      * DATE 1994/5/17 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.
      *
      * DML117.PCO
      * WRITTEN BY:  David W. Flater
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED C BY CHRIS SCHANZLE
      *
      * This routine tests FIPS feature 19.
      * This is the non-dynamic version of DML118.PC.
      *
      * REFERENCES
      *   FIPS PUB 127-2 14.1 Transitional 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  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 END-EXEC
             MOVE SQLCODE TO SQL-COD
             EXEC SQL ROLLBACK WORK END-EXEC
             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, Embedded COBOL, dml117.pco"
             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 TEST0645 *******************
             MOVE 1 TO flag

             DISPLAY " TEST0645 "
             DISPLAY " Feature 19, Referential delete actions (static)"
             DISPLAY "References:"
             DISPLAY " FIPS PUB 127-2 14.1 Transitional SQL features
      -    " 16, 19"
             DISPLAY " 11.8 LR.2.a"
             DISPLAY " 11.4 LR.2.b"
             DISPLAY " - - - - - - - - - - - - - - - - - - -"

             COMPUTE SQLCODE = -1
             MOVE "xxxxx" TO SQLSTATE

      *Simulate a tiny OS with hard quotas (ick!)

             DISPLAY "CREATE TABLE LUSERS ("
             DISPLAY " PRIMARY KEY (LUSER_ID),"
             DISPLAY " NAAM CHAR (10),"
             DISPLAY " LUSER_ID INT,"
             DISPLAY " FILE_QUOTA INT,"
             DISPLAY " FILE_USAGE INT NOT NULL,"
             DISPLAY " CHECK (FILE_USAGE >= 0 AND"
             DISPLAY " (FILE_QUOTA IS NULL OR FILE_QUOTA >=
      -    " FILE_USAGE)));"
             EXEC SQL CREATE TABLE LUSERS (
               PRIMARY KEY (LUSER_ID),
               NAAM         CHAR (10),
               LUSER_ID     INT,
               FILE_QUOTA   INT,
               FILE_USAGE   INT NOT NULL,
               CHECK (FILE_USAGE >= 0 AND
               (FILE_QUOTA IS NULL OR FILE_QUOTA >= FILE_USAGE)))
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *When you delete a user, all his/her files are also deleted

             DISPLAY "CREATE TABLE LUSER_DATA ("
             DISPLAY " FOREIGN KEY (LUSER_ID) REFERENCES LUSERS ON
      -    " DELETE CASCADE,"
             DISPLAY " PRIMARY KEY (FILE_NAME, LUSER_ID),"
             DISPLAY " FILE_NAME CHAR (8) NOT NULL,"
             DISPLAY " LUSER_ID INT NOT NULL,"
             DISPLAY " LUSER_DATA CHAR (30));"
             EXEC SQL CREATE TABLE LUSER_DATA (
               FOREIGN KEY (LUSER_ID) REFERENCES LUSERS ON DELETE
             CASCADE,
               PRIMARY KEY (FILE_NAME, LUSER_ID),
               FILE_NAME     CHAR (8) NOT NULL,
               LUSER_ID     INT NOT NULL,
               LUSER_DATA   CHAR (30)) END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "CREATE TABLE AUDIT_CODES ("
             DISPLAY " ACTION_KEY INT PRIMARY KEY,"
             DISPLAY " LUSER_ACTION CHAR (6) NOT NULL,"
             DISPLAY " CHECK (LUSER_ACTION = 'INSERT' OR LUSER_ACTION =
      -    " 'ACCVIO'"
             DISPLAY " OR LUSER_ACTION = 'DELETE'));"
             EXEC SQL CREATE TABLE AUDIT_CODES (
               ACTION_KEY       INT PRIMARY KEY,
               LUSER_ACTION     CHAR (6) NOT NULL,
               CHECK (LUSER_ACTION = 'INSERT' OR LUSER_ACTION = 'ACCVIO'
               OR LUSER_ACTION = 'DELETE')) END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *This table ostensibly separates UID's that have been valid at s
      *time in history from those that have always been invalid.

             DISPLAY "CREATE TABLE ALL_USER_IDS (LUSER_ID INT UNIQUE);"
             EXEC SQL CREATE TABLE ALL_USER_IDS (LUSER_ID INT UNIQUE)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *The persistent audit records need to be consistent in the
      *event that a LUSER_ID is recycled after someone is deleted.
      *The original LUSER_ID is preserved in SAVED_LUSER_ID in case
      *it is needed.

             DISPLAY "CREATE TABLE AUDIT_RECORDS ("
             DISPLAY " FOREIGN KEY (LUSER_ID) REFERENCES LUSERS ON
      -    " DELETE SET NULL,"
             DISPLAY " LUSER_ID INT,"
             DISPLAY " SAVED_LUSER_ID INT NOT NULL"
             DISPLAY " REFERENCES ALL_USER_IDS (LUSER_ID) ON DELETE
      -    " NO ACTION,"
             DISPLAY " ACTION_KEY INT DEFAULT 0 NOT NULL"
             DISPLAY " REFERENCES AUDIT_CODES ON DELETE SET
      -    " DEFAULT);"
             EXEC SQL CREATE TABLE AUDIT_RECORDS (
               FOREIGN KEY (LUSER_ID) REFERENCES LUSERS ON DELETE SET
             NULL,
               LUSER_ID         INT,
               SAVED_LUSER_ID   INT NOT NULL
               REFERENCES ALL_USER_IDS (LUSER_ID) ON DELETE NO ACTION,
               ACTION_KEY       INT DEFAULT 0 NOT NULL
               REFERENCES AUDIT_CODES ON DELETE SET DEFAULT) END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *Initialize audit codes

             DISPLAY "INSERT INTO AUDIT_CODES VALUES (0, 'ACCVIO');"
             EXEC SQL INSERT INTO AUDIT_CODES VALUES (0, 'ACCVIO')
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO AUDIT_CODES VALUES (1, 'INSERT'); "
             EXEC SQL INSERT INTO AUDIT_CODES VALUES (1, 'INSERT')
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO AUDIT_CODES VALUES (2, 'DELETE');"
             EXEC SQL INSERT INTO AUDIT_CODES VALUES (2, 'DELETE')
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *Once upon a time, there were three little users.

             DISPLAY "INSERT INTO LUSERS VALUES ('root', 0, NULL, 2);"
             EXEC SQL INSERT INTO LUSERS VALUES ('root', 0, NULL, 2)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO LUSERS VALUES ('BIFF', 1, 0, 0);"
             EXEC SQL INSERT INTO LUSERS VALUES ('BIFF', 1, 0, 0)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO LUSERS VALUES ('Kibo', 2, 1, 1);"
             EXEC SQL INSERT INTO LUSERS VALUES ('Kibo', 2, 1, 1)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO ALL_USER_IDS VALUES (0);"
             EXEC SQL INSERT INTO ALL_USER_IDS VALUES (0) END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO ALL_USER_IDS VALUES (1);"
             EXEC SQL INSERT INTO ALL_USER_IDS VALUES (1) END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO ALL_USER_IDS VALUES (2);"
             EXEC SQL INSERT INTO ALL_USER_IDS VALUES (2) END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *Root hated Kibo only slightly less than BIFF

             DISPLAY "INSERT INTO LUSER_DATA VALUES ('ROOT1',"
             DISPLAY " 0, 'BIFF is a total loser');"
             EXEC SQL INSERT INTO LUSER_DATA VALUES ('ROOT1',
               0, 'BIFF is a total loser') END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO LUSER_DATA VALUES ('ROOT2',"
             DISPLAY " 0, 'Kibo wastes disk space');"
             EXEC SQL INSERT INTO LUSER_DATA VALUES ('ROOT2',
               0, 'Kibo wastes disk space') END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO AUDIT_RECORDS VALUES (0, 0, 1);"
             EXEC SQL INSERT INTO AUDIT_RECORDS VALUES (0, 0, 1)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO AUDIT_RECORDS VALUES (0, 0, 1);"
             EXEC SQL INSERT INTO AUDIT_RECORDS VALUES (0, 0, 1)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *One day, Kibo created a file.

             DISPLAY "INSERT INTO AUDIT_RECORDS VALUES (2, 2, 1);"
             EXEC SQL INSERT INTO AUDIT_RECORDS VALUES (2, 2, 1)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *Jealous BIFF (no quota) decided to hack Kibo's account

             MOVE 0 TO int1
           .
        P199.
             DISPLAY "INSERT INTO AUDIT_RECORDS VALUES (1, 1, 0);"
             EXEC SQL INSERT INTO AUDIT_RECORDS VALUES (1, 1, 0)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "
             COMPUTE int1 = int1 + 1
             if (int1  NOT >  5) then
               GO TO P199
             END-IF

      *Finally he succeeded and overwrote Kibo's file with garbage

             DISPLAY "INSERT INTO AUDIT_RECORDS VALUES (2, 2, 0);"
             EXEC SQL INSERT INTO AUDIT_RECORDS VALUES (2, 2, 0)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO AUDIT_RECORDS VALUES (2, 2, 2);"
             EXEC SQL INSERT INTO AUDIT_RECORDS VALUES (2, 2, 2)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO AUDIT_RECORDS VALUES (2, 2, 1);"
             EXEC SQL INSERT INTO AUDIT_RECORDS VALUES (2, 2, 1)
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "INSERT INTO LUSER_DATA VALUES ('HAHA',"
             DISPLAY " 2, 'I G0T KIB0Z PASSW0RD!!!');"
             EXEC SQL INSERT INTO LUSER_DATA VALUES ('HAHA',
               2, 'I G0T KIB0Z PASSW0RD!!!') END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *This angered root, who instantly disbursed group punishment...

             DISPLAY "DELETE FROM LUSERS"
             DISPLAY " WHERE NAAM <> 'root';"
             EXEC SQL DELETE FROM LUSERS WHERE NAAM <> 'root' END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             COMPUTE int1 = -1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM LUSER_DATA;"
             EXEC SQL SELECT COUNT(*) INTO :int1 FROM LUSER_DATA
             END-EXEC
             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

             COMPUTE int1 = -1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM LUSERS;"
             EXEC SQL SELECT COUNT(*) INTO :int1 FROM LUSERS END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 1; its value is ", int1
             if (int1  NOT =  1) then
               MOVE 0 TO flag
             END-IF

             COMPUTE int1 = -1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM AUDIT_RECORDS;"
             EXEC SQL SELECT COUNT(*) INTO :int1 FROM AUDIT_RECORDS
             END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 12; its value is ", int1
             if (int1  NOT =  12) then
               MOVE 0 TO flag
             END-IF

             COMPUTE int1 = -1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM AUDIT_RECORDS WHERE LUSER_ID IS NULL;"
             EXEC SQL SELECT COUNT(*) INTO :int1 FROM AUDIT_RECORDS
               WHERE LUSER_ID IS NULL END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 10; its value is ", int1
             if (int1  NOT =  10) then
               MOVE 0 TO flag
             END-IF

             COMPUTE int1 = -1
             DISPLAY "SELECT COUNT(*) INTO :int1"
             DISPLAY " FROM AUDIT_RECORDS WHERE SAVED_LUSER_ID IS
      -    " NULL;"
             EXEC SQL SELECT COUNT(*) INTO :int1 FROM AUDIT_RECORDS
               WHERE SAVED_LUSER_ID IS NULL END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 0; its value is ", int1
             if (int1  NOT =  0) then
               MOVE 0 TO flag
             END-IF

      *...and disabled deletes just for good measure.

             DISPLAY "DELETE FROM AUDIT_CODES"
             DISPLAY " WHERE LUSER_ACTION = 'DELETE';"
             EXEC SQL DELETE FROM AUDIT_CODES
               WHERE LUSER_ACTION = 'DELETE' END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             COMPUTE int1 = -1
             DISPLAY "SELECT COUNT(*) INTO :int1 FROM AUDIT_RECORDS"
             DISPLAY " WHERE ACTION_KEY = 2;"
             EXEC SQL SELECT COUNT(*) INTO :int1 FROM AUDIT_RECORDS
               WHERE ACTION_KEY = 2 END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 0; its value is ", int1
             if (int1  NOT =  0) then
               MOVE 0 TO flag
             END-IF

             COMPUTE int1 = -1
             DISPLAY "SELECT COUNT(*) INTO :int1 FROM AUDIT_RECORDS"
             DISPLAY " WHERE ACTION_KEY = 0;"
             EXEC SQL SELECT COUNT(*) INTO :int1 FROM AUDIT_RECORDS
               WHERE ACTION_KEY = 0 END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "int1 should be 8; its value is ", int1
             if (int1  NOT =  8) then
               MOVE 0 TO flag
             END-IF

      *See if that "ON DELETE NO ACTION" did what it was supposed to d
      *It should _not_ allow us to create dangling references.

             DISPLAY "DELETE FROM ALL_USER_IDS;"
             EXEC SQL DELETE FROM ALL_USER_IDS END-EXEC
             MOVE SQLCODE TO SQL-COD
             DISPLAY "SQLCODE should be < 0; its value is ", SQL-COD
             if (SQLCODE  NOT <  0) then
               MOVE 0 TO flag
             END-IF
             DISPLAY "SQLSTATE should be 23000; its value is ", SQLSTATE
           PERFORM NOSUBCLASS THRU EXIT-NOSUBCLASS
             if (NORMSQ  NOT  =   "23000") then
               MOVE 0 TO flag
             END-IF
             if (NORMSQ   =   "23000"  AND  NORMSQ  NOT  =   SQLSTATE)
             then
               DISPLAY "Valid implementation-defined SQLSTATE accepted."
             END-IF
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE AUDIT_RECORDS CASCADE;"
             EXEC SQL DROP TABLE AUDIT_RECORDS CASCADE END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE ALL_USER_IDS CASCADE;"
             EXEC SQL DROP TABLE ALL_USER_IDS CASCADE END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE AUDIT_CODES CASCADE;"
             EXEC SQL DROP TABLE AUDIT_CODES CASCADE END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE LUSER_DATA CASCADE;"
             EXEC SQL DROP TABLE LUSER_DATA CASCADE END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE LUSERS CASCADE;"
             EXEC SQL DROP TABLE LUSERS CASCADE END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             if ( flag  =  1 ) then
               DISPLAY " *** pass *** "
               EXEC SQL INSERT INTO HU.TESTREPORT
                 VALUES('0645','pass','PCO') END-EXEC
               MOVE SQLCODE TO SQL-COD
             else
               DISPLAY " dml117.pco *** fail *** "
               EXEC SQL INSERT INTO HU.TESTREPORT
                 VALUES('0645','fail','PCO') END-EXEC
               MOVE SQLCODE TO SQL-COD
               COMPUTE errcnt = errcnt + 1
             END-IF

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

             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
      ******************** END TEST0645 ********************
      **** 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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