Quelle  dml184.cob   Sprache: Cobol

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


      * EMBEDDED COBOL (file "DML184.PCO")


      ****************************************************************
      *                                                              
      *                 COMMENT SECTION                              
      *                                                              
      * DATE 1996-05-23 EMBEDDED 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.PCO                                                    
      * WRITTEN BY:  David Flater                                    
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED C 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 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, dml184.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 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)) 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 "GRANT REFERENCES (A, B) ON TABLE T TO SCHANZLE;"
             EXEC SQL GRANT REFERENCES (A, B) ON TABLE T TO SCHANZLE
             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 "SET SESSION AUTHORIZATION 'SCHANZLE';"
             EXEC SQL SET SESSION AUTHORIZATION 'SCHANZLE' END-EXEC
             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)) 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 "SET SESSION AUTHORIZATION 'FLATER';"
             EXEC SQL SET SESSION AUTHORIZATION 'FLATER' END-EXEC
             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' END-EXEC
             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' END-EXEC
             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' 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

             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' 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

             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' END-EXEC
             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' 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

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

             DISPLAY "DROP TABLE T CASCADE;"
             EXEC SQL DROP TABLE T 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 "SET SESSION AUTHORIZATION 'SCHANZLE';"
             EXEC SQL SET SESSION AUTHORIZATION 'SCHANZLE' END-EXEC
             MOVE SQLCODE TO SQL-COD
           PERFORM CHCKOK
             DISPLAY  " "

             DISPLAY "DROP TABLE S CASCADE;"
             EXEC SQL DROP TABLE S 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('0897','pass','PCO') END-EXEC
               MOVE SQLCODE TO SQL-COD
             else
               DISPLAY " dml184.pco *** fail *** "
               EXEC SQL INSERT INTO HU.TESTREPORT
                 VALUES('0897','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 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.