Quelle xts755.cob Sprache: Cobol

       IDENTIFICATION DIVISION.
       PROGRAM-ID.  XTS755.
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
       SOURCE-COMPUTER.  xyz.
       OBJECT-COMPUTER.  xyz.
       DATA DIVISION.
       WORKING-STORAGE SECTION.

      * Standard COBOL (file "XTS755.SCO") calling SQL
      * procedures in file "XTS755.MCO".

      *Copyright 1995 National Computing Centre Limited
      *and Computer Logic R&D S.A
      *on behalf of the CTS5 SQL2 Project.
      *All rights reserved.
      *The CTS5 SQL2 Project is sponsored by the European Community.
      *
      *The National Computing Centre Limited and Computer Logic R&D
      *have given permission to NIST to distribute this program
      *over the World Wide Web in order to promote SQL standards.
      *DISCLAIMER:
      *This program was reviewed by employees of NIST for
      *conformance to the SQL standards.
      *NIST assumes no responsibility for any party's use of
      *this program.

      ****************************************************************
      *
      *                 COMMENT SECTION
      *
      * SQL VALIDATION TEST SUITE V6.0
      *
      * XTS755.SCO
      * WRITTEN BY: Nickos Backalidis
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED COBOL BY CHRIS SCHANZLE
      *
      * ALTER TABLE DROP COLUMN RESTRICT
      *
      * REFERENCES
      *   11.10   -- <Alter table statement>
      *   11.10 AR.1
      *   11.15   -- <Drop column definition>
      *   11.15 SR.4
      *   F#2     -- Basic Information Schema
      *   F#38    -- Schema manipulation
      *
      * DATE LAST ALTERED  18/12/95 CTS5 Hand-over Test
      *
      * Cleanups and fixes by V. Kogakis 15/12/95
      *        Print timestamp
      *        Include Files
      *        Define NOSUBCLASS/CHCKOK at test beginning
      *
      * QA STATUS : QA CHECK
      *
      * Revised by DWF 1996-02-20
      *   Fixed SDL transactions
      *   Matched up printout with statements
      *   Upcased info schem identifiers
      *   Removed field widths in printfs
      ****************************************************************

      * 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  coun 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 "CTS1 " TO uid
             CALL "AUTHID" USING uid
             MOVE "not logged in, not" TO uidx
      *  EXEC SQL SELECT USER INTO :uidx FROM CTS1.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, xts755.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 TEST7055 *******************
             MOVE 1 TO flag
             DISPLAY " TEST7055"
             DISPLAY " ALTER TABLE DROP COLUMN RESTRICT "
             DISPLAY " References "
             DISPLAY " 11.10 -- "
             DISPLAY " 11.10 AR.1 "
             DISPLAY " 11.15 -- "
             DISPLAY " 11.15 SR.4 "
             DISPLAY " F#2 -- Basic Information Schema "
             DISPLAY " F#38 -- Schema manipulation "
             DISPLAY " - - - - - - - - - - - - - - - - - - -"

      *initialise error reporting variables
             COMPUTE SQLCODE = -1
             MOVE "xxxxx" TO SQLSTATE

      *create two tables under the current schema
      *create table TAB755a
             DISPLAY "CREATE TABLE TAB755a "
             DISPLAY "(COL1 NUMERIC(7) PRIMARY KEY,"
             DISPLAY " COL2 CHAR(10),"
             DISPLAY " ENAME CHAR(25));"
      *  EXEC SQL CREATE TABLE TAB755a
      *    (COL1  NUMERIC(7) PRIMARY KEY,
      *    COL2  CHAR(10),
      *    ENAME CHAR(25));
             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  " "

      *create the second table
             DISPLAY "CREATE TABLE TAB755b "
             DISPLAY "(COL_1 NUMERIC(7),"
             DISPLAY " COL_LEKTIKO1 CHAR(10),"
             DISPLAY " FOREIGN KEY(COL_1) REFERENCES TAB755a(COL1));"
      *  EXEC SQL CREATE TABLE TAB755b
      *    (COL_1    NUMERIC(7),
      *    COL_LEKTIKO1 CHAR(10),
      *    FOREIGN KEY(COL_1) REFERENCES TAB755a(COL1));
             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  " "

      *now alter the table 755b and drop column COL_LEKTIKO1
             DISPLAY "ALTER TABLE TAB755b DROP COLUMN COL_LEKTIKO1
      -    " RESTRICT;"
      *  EXEC SQL ALTER TABLE TAB755b DROP COLUMN COL_LEKTIKO1
      *  RESTRICT;
             CALL "SUB7" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB8" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *access the COLUMNS view and check that a row that
      *identifies the column COL_LEKTIKO1 is not present
             MOVE 10 TO coun
             DISPLAY "SELECT COUNT(*) INTO :coun"
             DISPLAY "FROM INFORMATION_SCHEMA.COLUMNS "
             DISPLAY "WHERE TABLE_SCHEMA = 'CTS1' AND TABLE_NAME =
      -    " 'TAB755B'"
             DISPLAY "AND COLUMN_NAME = 'COL_LEKTIKO1';"
      *  EXEC SQL SELECT COUNT(*)  INTO :coun FROM
      *  INFORMATION_SCHEMA.COLUMNS
      *    WHERE TABLE_SCHEMA = 'CTS1' AND TABLE_NAME = 'TAB755B'
      *    AND COLUMN_NAME = 'COL_LEKTIKO1';
             CALL "SUB9" USING SQLCODE SQLSTATE coun
             MOVE SQLCODE TO SQL-COD
             DISPLAY "coun should be 0; its value is ", coun
           PERFORM CHCKOK
             if (coun  NOT =  0) then
               MOVE 0 TO flag
             END-IF
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB10" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *now attempt to drop from the table TAB755a the column
      *COL1 which is referenced by the foreign key of the
      *of the child table and should fail
             DISPLAY "ALTER TABLE TAB755a DROP COLUMN COL1 RESTRICT;"
      *  EXEC SQL ALTER TABLE TAB755a DROP COLUMN COL1 RESTRICT
      * ;
             CALL "SUB11" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
      *This should produce an SQLSTATE of 42000 indicating
      *a syntax error or access rule violation
             DISPLAY "SQLCODE should be < 0; its value is ", SQL-COD
             DISPLAY "SQLSTATE should be 42000; its value is ", SQLSTATE
           PERFORM NOSUBCLASS THRU EXIT-NOSUBCLASS
             if (SQLCODE  NOT <  0) then
               MOVE 0 TO flag
             END-IF
             if (NORMSQ  NOT  =   "42000") then
               MOVE 0 TO flag
             END-IF
             if (NORMSQ   =   "42000"  AND  NORMSQ  NOT  =   SQLSTATE)
             then
               DISPLAY "Valid implementation-defined SQLSTATE accepted."
             END-IF
             DISPLAY  " "

             DISPLAY "ROLLBACK WORK;"
      *  EXEC SQL ROLLBACK WORK;
             CALL "SUB12" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *now restore the database in its original state by
      *dropping both tables
             DISPLAY "DROP TABLE TAB755a CASCADE;"
      *  EXEC SQL DROP TABLE TAB755a CASCADE;
             CALL "SUB13" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB14" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE TAB755b CASCADE;"
      *  EXEC SQL DROP TABLE TAB755b CASCADE;
             CALL "SUB15" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB16" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *record results

             if ( flag  =  1 ) then
               DISPLAY " xts755.mco *** pass *** "
      *    EXEC SQL INSERT INTO CTS1.TESTREPORT
      *      VALUES('7055','pass','MCO');
               CALL "SUB17" USING SQLCODE SQLSTATE
               MOVE SQLCODE TO SQL-COD
             else
               DISPLAY " xts755.mco *** fail *** "
      *    EXEC SQL INSERT INTO CTS1.TESTREPORT
      *      VALUES('7055','fail','MCO');
               CALL "SUB18" USING SQLCODE SQLSTATE
               MOVE SQLCODE TO SQL-COD
               COMPUTE errcnt = errcnt + 1
             END-IF

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

      *  EXEC SQL COMMIT WORK;
             CALL "SUB19" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
      ******************** END TEST7055 ********************

      **** 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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