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Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/Cobol/Test-Suite/SQL M/     Datei vom 4.1.2008 mit Größe 26 kB image not shown  

Quelle  xts720.cob   Sprache: Cobol

 
       IDENTIFICATION DIVISION.
       PROGRAM-ID.  XTS720.
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
       SOURCE-COMPUTER.  xyz.
       OBJECT-COMPUTER.  xyz.
       DATA DIVISION.
       WORKING-STORAGE SECTION.


      * Standard COBOL (file "XTS720.SCO") calling SQL
      * procedures in file "XTS720.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                               
      *                                                              
      * XTS720.SCO                                                   
      * WRITTEN BY: Nickos Backalidis                                
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED COBOL BY CHRIS SCHANZLE
      *                                                              
      * Access to VIEW_TABLE_USAGE view                              
      *                                                              
      *                                                              
      * REFERENCES                                                   
      *   21.2.21 -- VIEW_TABLE_USAGE view                           
      *   21.3.11 -- VIEW_TABLE_USAGE base table                     
      *   11.20   -- <drop view statement>                           
      *   F#1     -- Dynamic SQL                                     
      *   F#2     -- Basic information schema                        
      *   F#3     -- Basic schema manipulation                       
      *   F#34    -- Usage tables                                    
      *                                                              
      * DATE LAST ALTERED  14/12/95 CTS5 Hand-over Test              
      *                                                              
      * Cleanups and fixes by V. Kogakis 04/12/95:                   
      *      Respect length of strings in variable initialization.   
      *                                                              
      * QA Status: QA Check                                          
      *                                                              
      *Revised by DWF 1/24/96                                        
      *  Fixed string length problems                                
      *  Revoved status checks after cursor definitions              
      *  Fixed SDL transactions                                      
      *  Upcased identifiers expected in information schema          
      *  Removed surplus syntax                                      
      *  Fixed dynamic SQL                                           
      *  Fixed bad schema refs                                       
      *  Fixed expected results                                      
      ****************************************************************



      * 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  counok PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  sqlcmd PIC  X(240).
       01  vschma PIC  X(128).
       01  v_name PIC  X(128).
       01  tabnam PIC  X(128).
      *  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  i PIC S9(4) DISPLAY SIGN LEADING SEPARATE.
       01  flag PIC S9(9) DISPLAY SIGN LEADING SEPARATE.

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

       PROCEDURE DIVISION.
       P0.

             MOVE "CTS4 " 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, xts720.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 TEST7020 *******************
             MOVE 1 TO flag
             DISPLAY " TEST7020"
             DISPLAY " Access to VIEW_TABLE_USAGE view "
             DISPLAY " References "
             DISPLAY " 21.2.21 -- VIEW_TABLE_USAGE view "
             DISPLAY " 21.3.11 -- VIEW_TABLE_USAGE base table"
             DISPLAY " 11.20 -- "
             DISPLAY " F#1 -- Dynamic SQL "
             DISPLAY " F#2 -- Basic information schema "
             DISPLAY " F#3 -- Basic schema manipulation"
             DISPLAY " F#34 -- Usage tables "
             DISPLAY " - - - - - - - - - - - - - - - - - - -"

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

      *initialise host variable 
      *we expect a zero so initialise it to a value <> 0 
             MOVE 9 TO counok

      *Access the VIEW_TABLE_USAGE_VIEW 
             DISPLAY "SELECT COUNT(*) INTO :counok"
             DISPLAY "FROM INFORMATION_SCHEMA.VIEW_TABLE_USAGE"
             DISPLAY "WHERE VIEW_SCHEMA = 'CTS4';"
      *  EXEC SQL SELECT COUNT(*) INTO :counok
      *    FROM INFORMATION_SCHEMA.VIEW_TABLE_USAGE
      *    WHERE VIEW_SCHEMA = 'CTS4';
             CALL "SUB3" USING SQLCODE SQLSTATE counok
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "counok should be 0; its value is : ", counok
             if (counok  NOT =  0) then
               MOVE 0 TO flag
             END-IF
             DISPLAY  " "

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

             DISPLAY "CREATE TABLE TAB720a"
             DISPLAY " (COLNUM1 NUMERIC(5),"
             DISPLAY " COLNUM2 NUMERIC(7),"
             DISPLAY " COLSTR1 CHAR(10),"
             DISPLAY " COLSTR2 CHAR(5));"
      *  EXEC SQL CREATE TABLE TAB720a
      *    (COLNUM1 NUMERIC(5),
      *    COLNUM2 NUMERIC(7),
      *    COLSTR1 CHAR(10),
      *    COLSTR2 CHAR(5));
             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 "CREATE TABLE TAB720b"
             DISPLAY " (CNUM1 NUMERIC(5),"
             DISPLAY " CNUM2 NUMERIC(7),"
             DISPLAY " CSTR1 CHAR(10),"
             DISPLAY " CSTR2 CHAR(5));"
      *  EXEC SQL CREATE TABLE TAB720b
      *    (CNUM1 NUMERIC(5),
      *    CNUM2 NUMERIC(7), 
      *    CSTR1 CHAR(10),
      *    CSTR2 CHAR(5));
             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  " "

      *now create two views   
      *that both reference in their <query expression>*
      *the above two tables TAB720a & TAB720b         
      *the first view should also reference a table   
      *which is created in the standard schema        
             DISPLAY "CREATE VIEW VA_720a AS SELECT
      -    " COLNUM1,COLNUM2,CNUM1,NUM"
             DISPLAY "FROM TAB720a,TAB720b,CTS1.DATA_TYPE;"
      *  EXEC SQL CREATE VIEW VA_720a AS SELECT
      *  COLNUM1,COLNUM2,CNUM1,NUM
      *    FROM TAB720a,TAB720b,CTS1.DATA_TYPE;
             CALL "SUB9" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

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

      *now create the second view 
             DISPLAY "CREATE VIEW VA_720b AS SELECT
      -    " COLSTR1,COLSTR2,CSTR1,CSTR2"
             DISPLAY "FROM TAB720a,TAB720b;"
      *  EXEC SQL CREATE VIEW VA_720b AS SELECT
      *  COLSTR1,COLSTR2,CSTR1,CSTR2
      *    FROM TAB720a,TAB720b;
             CALL "SUB11" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

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

      *Contents of VIEW_TABLE_USAGE are now: 
      *   VA_720A refs TAB720A 
      *   VA_720A refs TAB720B 
      *   VA_720B refs TAB720A 
      *   VA_720B refs TAB720B 
      *We don't get to see VA_720A refs CTS1.DATA_TYPE because the 
      *base table has to be in this schema. 

      *Use Dynamic SQL with an preparable statement and two  
      *<select statement(s):single row and access the        
      *VIEW_TABLE_USAGE view to check if the view is updated 
      *  EXEC SQL DELETE FROM CTS1.CONCATBUF;
             CALL "SUB13" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
      *  EXEC SQL INSERT INTO CTS1.CONCATBUF VALUES(
      *    'SELECT COUNT(*)' ||
      *    ' FROM INFORMATION_SCHEMA.VIEW_TABLE_USAGE' ||
      *    ' WHERE VIEW_SCHEMA = ''CTS4''' || 
      *    ' AND VIEW_NAME = ''VA_720A''');
             CALL "SUB14" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
      *  EXEC SQL SELECT ZZ INTO :sqlcmd FROM CTS1.CONCATBUF
      * ;
             CALL "SUB15" USING SQLCODE SQLSTATE sqlcmd
             MOVE SQLCODE TO SQL-COD
             DISPLAY "sqlcmd = """, sqlcmd, """"

             DISPLAY "PREPARE S FROM :sqlcmd;"
      *  EXEC SQL PREPARE S FROM :sqlcmd;
             CALL "SUB16" USING SQLCODE SQLSTATE sqlcmd
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DECLARE NICK1 CURSOR FOR S;"
      *  EXEC SQL DECLARE NICK1 CURSOR FOR S END-EXEC

             DISPLAY "OPEN NICK1;"
      *  EXEC SQL OPEN NICK1;
             CALL "SUB17" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             MOVE 0 TO counok
             DISPLAY "FETCH NICK1 INTO :counok;"
      *  EXEC SQL FETCH NICK1 INTO :counok;
             CALL "SUB18" USING SQLCODE SQLSTATE counok
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "counok should be 2; its value is ", counok
             if (counok  NOT =  2) then
               MOVE 0 TO flag
             END-IF
             DISPLAY  " "

             DISPLAY "CLOSE NICK1;"
      *  EXEC SQL CLOSE NICK1;
             CALL "SUB19" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB20" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *now prepare the strings in order to check the second 
      * view and perform the checks 
      *  EXEC SQL DELETE FROM CTS1.CONCATBUF;
             CALL "SUB21" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
      *  EXEC SQL INSERT INTO CTS1.CONCATBUF VALUES(
      *    'SELECT COUNT(*)' ||
      *    ' FROM INFORMATION_SCHEMA.VIEW_TABLE_USAGE' ||
      *    ' WHERE VIEW_SCHEMA = ''CTS4'''|| 
      *    ' AND VIEW_NAME = ''VA_720B''');
             CALL "SUB22" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
      *  EXEC SQL SELECT ZZ INTO :sqlcmd FROM CTS1.CONCATBUF
      * ;
             CALL "SUB23" USING SQLCODE SQLSTATE sqlcmd
             MOVE SQLCODE TO SQL-COD
             DISPLAY "sqlcmd = """, sqlcmd, """"

             DISPLAY "PREPARE T FROM :sqlcmd;"
      *  EXEC SQL PREPARE T FROM :sqlcmd;
             CALL "SUB24" USING SQLCODE SQLSTATE sqlcmd
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DECLARE NICK2 CURSOR FOR T;"
      *  EXEC SQL DECLARE NICK2 CURSOR FOR T END-EXEC

             DISPLAY "OPEN NICK2;"
      *  EXEC SQL OPEN NICK2;
             CALL "SUB25" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             MOVE 0 TO counok
             DISPLAY "FETCH NICK2 INTO :counok;"
      *  EXEC SQL FETCH NICK2 INTO :counok;
             CALL "SUB26" USING SQLCODE SQLSTATE counok
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "counok should be 2; its value is ", counok
             if (counok  NOT =  2) then
               MOVE 0 TO flag
             END-IF
             DISPLAY  " "

             DISPLAY "CLOSE NICK2;"
      *  EXEC SQL CLOSE NICK2;
             CALL "SUB27" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB28" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *Now drop view VA_720a 
             DISPLAY "DROP VIEW VA_720a CASCADE;"
      *  EXEC SQL DROP VIEW VA_720a CASCADE;
             CALL "SUB29" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB30" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DECLARE ALPHA CURSOR FOR SELECT
      -    " VIEW_SCHEMA,VIEW_NAME,TABLE_NAME"
             DISPLAY "FROM INFORMATION_SCHEMA.VIEW_TABLE_USAGE"
             DISPLAY "WHERE VIEW_SCHEMA = 'CTS4' AND TABLE_SCHEMA =
      -    " 'CTS4'"
             DISPLAY "ORDER BY TABLE_NAME;"
      *  EXEC SQL DECLARE ALPHA CURSOR FOR SELECT VIEW_SCHEMA,
      *    VIEW_NAME,TABLE_NAME
      *    FROM INFORMATION_SCHEMA.VIEW_TABLE_USAGE
      *    WHERE VIEW_SCHEMA = 'CTS4' AND TABLE_SCHEMA = 'CTS4'
      *    ORDER BY TABLE_NAME END-EXEC

             DISPLAY "OPEN ALPHA;"
      *  EXEC SQL OPEN ALPHA;
             CALL "SUB31" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *initialise host variables 
             MOVE "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxx" TO vschma

             MOVE "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxx" TO v_name

             MOVE "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxx" TO tabnam

      *two rows should be returned by the cursor 
      *fetch first row                           
             DISPLAY "FETCH ALPHA INTO :vschma,:v_name,:tabnam;"
      *  EXEC SQL FETCH ALPHA INTO :vschma,:v_name,:tabnam;
             CALL "SUB32" USING SQLCODE SQLSTATE vschma v_name tabnam
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "VIEW_SCHEMA should be CTS4 it is ", vschma
             DISPLAY "VIEW_NAME should be VA_720B it is ", v_name
             DISPLAY "TABLE_NAME should be TAB720A it is ", tabnam
             if (vschma  NOT  =   "CTS4"  OR  v_name  NOT  =  
             "VA_720B") then
               MOVE 0 TO flag
             END-IF
             if (tabnam  NOT  =   "TAB720A") then
               MOVE 0 TO flag
             END-IF
             DISPLAY  " "

      *initialise host variables 

             MOVE "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxx" TO vschma
 
             MOVE "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxx" TO v_name
 
             MOVE "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      -      "xxxxxxxx" TO tabnam

      *fetch the second row 
             DISPLAY "FETCH ALPHA INTO :vschma,:v_name,:tabnam;"
      *  EXEC SQL FETCH ALPHA INTO :vschma,:v_name,:tabnam;
             CALL "SUB33" USING SQLCODE SQLSTATE vschma v_name tabnam
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY "VIEW_SCHEMA should be CTS4 it is ", vschma
             DISPLAY "VIEW_NAME should be VA_720B it is ", v_name
             DISPLAY "TABLE_NAME should be TAB720B it is ", tabnam
             if (vschma  NOT  =   "CTS4"  OR  v_name  NOT  =  
             "VA_720B") then
               MOVE 0 TO flag
             END-IF
             if (tabnam  NOT  =   "TAB720B") then
               MOVE 0 TO flag
             END-IF
             DISPLAY  " "

      *end fetches **
      *close the cursor 
             DISPLAY "CLOSE ALPHA;"
      *  EXEC SQL CLOSE ALPHA;
             CALL "SUB34" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB35" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *now drop VIEW VA_720b 
             DISPLAY "DROP VIEW VA_720b CASCADE;"
      *  EXEC SQL DROP VIEW VA_720b CASCADE;
             CALL "SUB36" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB37" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "SELECT VIEW_SCHEMA,VIEW_NAME,TABLE_NAME"
             DISPLAY "INTO :vschma,:v_name,:tabnam"
             DISPLAY "FROM INFORMATION_SCHEMA.VIEW_TABLE_USAGE"
             DISPLAY "WHERE VIEW_SCHEMA = 'CTS4' AND TABLE_SCHEMA =
      -    " 'CTS4';"
      *  EXEC SQL SELECT VIEW_SCHEMA,VIEW_NAME,TABLE_NAME
      *    INTO :vschma,:v_name,:tabnam
      *    FROM INFORMATION_SCHEMA.VIEW_TABLE_USAGE
      *    WHERE VIEW_SCHEMA = 'CTS4' AND TABLE_SCHEMA = 'CTS4'
      * ;
             CALL "SUB38" USING SQLCODE SQLSTATE vschma v_name tabnam
             MOVE SQLCODE TO SQL-COD
             DISPLAY "SQLCODE should be 100; its value is ", SQL-COD
             DISPLAY "SQLSTATE should be 02000; its value is ", SQLSTATE
           PERFORM NOSUBCLASS THRU EXIT-NOSUBCLASS
             if (SQLCODE  NOT =  100  OR  NORMSQ  NOT  =   "02000") then
               MOVE 0 TO flag
             END-IF
             if (NORMSQ   =   "02000"  AND  NORMSQ  NOT  =   SQLSTATE)
             then
               DISPLAY "Valid implementation-defined SQLSTATE accepted."
             END-IF
             DISPLAY  " "

             DISPLAY "ROLLBACK WORK;"
      *  EXEC SQL ROLLBACK WORK;
             CALL "SUB39" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *now restore the database in its original state 
      *by dropping tables TAB720a and TAB720b 

      *drop table TAB720a 
             DISPLAY "DROP TABLE TAB720a CASCADE;"
      *  EXEC SQL DROP TABLE TAB720a CASCADE;
             CALL "SUB40" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB41" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *drop table TAB720b 
             DISPLAY "DROP TABLE TAB720b CASCADE;"
      *  EXEC SQL DROP TABLE TAB720b CASCADE;
             CALL "SUB42" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "COMMIT WORK;"
      *  EXEC SQL COMMIT WORK;
             CALL "SUB43" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

      *record results 

             if ( flag  =  1 ) then
               DISPLAY " xts720.mco *** pass *** "
      *    EXEC SQL INSERT INTO CTS1.TESTREPORT
      *      VALUES('7020','pass','MCO');
               CALL "SUB44" USING SQLCODE SQLSTATE
               MOVE SQLCODE TO SQL-COD
             else
               DISPLAY " xts720.mco *** fail *** "
      *    EXEC SQL INSERT INTO CTS1.TESTREPORT
      *      VALUES('7020','fail','MCO');
               CALL "SUB45" USING SQLCODE SQLSTATE
               MOVE SQLCODE TO SQL-COD
               COMPUTE errcnt = errcnt + 1
             END-IF

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

      *  EXEC SQL COMMIT WORK;
             CALL "SUB46" USING SQLCODE SQLSTATE
             MOVE SQLCODE TO SQL-COD

      ******************** END TEST7020 ********************
      **** 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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