SSL xts755.cob Sprache: Cobol

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

      * EMBEDDED COBOL (file "XTS755.PCO")

      *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.PCO
      * WRITTEN BY: Nickos Backalidis
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED C 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 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, xts755.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 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)) 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  " "

      *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)) 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  " "

      *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 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  " "

      *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' END-EXEC
             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 END-EXEC
             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
             END-EXEC
             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 END-EXEC
             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 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 TAB755b CASCADE;"
             EXEC SQL DROP TABLE TAB755b 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  " "

      *record results

             if ( flag  =  1 ) then
               DISPLAY " xts755.pco *** pass *** "
               EXEC SQL INSERT INTO CTS1.TESTREPORT
                 VALUES('7055','pass','PCO') END-EXEC
               MOVE SQLCODE TO SQL-COD
             else
               DISPLAY " xts755.pco *** fail *** "
               EXEC SQL INSERT INTO CTS1.TESTREPORT
                 VALUES('7055','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 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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