Quellcode-Bibliothek mpa012.cob Sprache: Cobol

       IDENTIFICATION DIVISION.
       PROGRAM-ID.  MPA012.
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
       SOURCE-COMPUTER.  xyz.
       OBJECT-COMPUTER.  xyz.
       DATA DIVISION.
       WORKING-STORAGE SECTION.

      * EMBEDDED COBOL (file "MPA012.PCO")

      ****************************************************************
      *
      *                 COMMENT SECTION
      *
      * DATE 1995/03/27 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.
      *
      * MPA012.PCO
      * WRITTEN BY:  David W. Flater
      * TRANSLATED AUTOMATICALLY FROM EMBEDDED C BY CHRIS SCHANZLE
      *
      * This routine tests SET TRANSACTION ISOLATION LEVEL for
      * dynamic SQL.  This is part A of a two-part program.
      *
      * References:
      *   FIPS PUB 127-2 14.1 Transitional SQL
      *   ANSI SQL-1992 14.1 <set transaction statement>
      *
      ****************************************************************

           EXEC SQL BEGIN DECLARE SECTION END-EXEC
       01  uid PIC  X(18).
       01  uidx PIC  X(18).
       01  SQLCODE PIC S9(9) COMP.
       01  SQLSTATE PIC  X(5).
       01  int1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  int2 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  int3 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  dstmt PIC  X(50).
       01  longst PIC  X(240).
       01  progno PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
             EXEC SQL END DECLARE SECTION END-EXEC
       01  PLEN PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  pauze PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  repcnt PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  iii PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  fails PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  maxfls PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  oldtok PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       01  waitin PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
       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.
      * Debugging is turned on by setting debug1 = 1
       01  debug1 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 "SULLIVAN1 " 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, mpa012.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

             DISPLAY "This is part A of a two-part test. It should be
      -    " started"
             DISPLAY "BEFORE mpb012. Table TOKENS must exist in schema
      -    " HU."

      *to debug program, set debug1 = 1
             MOVE 0 TO debug1
             MOVE 100 TO maxfls
             MOVE 100 TO pauze
             MOVE 12 TO progno

      ******************** BEGIN TEST0590 *******************
             MOVE 1 TO flag

      *SQL-92 14.1 GR.5 says that a transaction at a particular
      *isolation level must not exhibit phenomena which are not
      *supposed to be possible at that level, but does not
      *require transactions to exhibit those phenomena which
      *are possible.  A conforming implementation could simply
      *ignore all SET TRANSACTION ISOLATION LEVEL statements
      *and treat all transactions as SERIALIZABLE.  The
      *phenomena are defined in SQL-92 4.28.

             DISPLAY " TEST0590 "
             DISPLAY " SET TR ISOLATION LEVEL (dynamic)"
             DISPLAY "Reference:"
             DISPLAY " F# 11 -- Transaction Isolation"
             DISPLAY " F# 1 -- Dynamic SQL"
             DISPLAY " 14.1 -- "
             DISPLAY " 4.28 -- SQL-transactions"
             DISPLAY " - - - - - - - - - - - - - - - - - - -"

             COMPUTE SQLCODE = -1
             MOVE "xxxxx" TO SQLSTATE

             MOVE 0 TO fails
             DISPLAY "Checking for extraneous tokens...."

           .
        P100.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P100"
             END-IF
             EXEC SQL SELECT COUNT(*) INTO :int1
               FROM HU.TOKENS WHERE PROG_NO = :progno END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  000
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P100
             END-IF
             if (int1  =  0) then
               GO TO P101
             END-IF

             MOVE 0 TO fails
             DISPLAY "Extraneous tokens found!"

           .
        P102.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P102"
             END-IF
             EXEC SQL DELETE FROM HU.TOKENS WHERE PROG_NO = :progno
             END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  001
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P102
             END-IF
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  002
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P102
             END-IF
             GO TO P199

           .
        P101.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P101"
             END-IF
      *No extraneous tokens

             DISPLAY "Setting up table USG103"

             DISPLAY "DELETE FROM USG103;"
             EXEC SQL DELETE FROM USG103 END-EXEC
             MOVE SQLCODE TO SQL-COD

             DISPLAY "INSERT INTO USG103 VALUES (589, 600);"
             EXEC SQL INSERT INTO USG103 VALUES (589, 600) 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  " "
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME

             MOVE 0 TO fails
             DISPLAY "Setting token = 1"

           .
        P163.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P163"
             END-IF
             EXEC SQL INSERT INTO HU.TOKENS VALUES (:progno, 1) END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  012
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P163
             END-IF
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  013
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P163
             END-IF

             DISPLAY "START PROGRAM B if you haven't already!"
             MOVE 2 TO waitin

             MOVE 0 TO fails
             COMPUTE oldtok = -1
             DISPLAY "Waiting for the token to reach ", waitin, "."

           .
        P165.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P165"
             END-IF
             COMPUTE int1 = -1
             EXEC SQL SELECT TOKEN_NO INTO :int1 FROM HU.TOKENS
               WHERE PROG_NO = :progno END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
             END-IF
             if (int1  NOT =  oldtok  AND  SQLCODE  NOT <  0  AND
             SQLCODE  NOT =  100 ) then
               DISPLAY "Token = ", int1
               MOVE int1 TO oldtok
               MOVE 0 TO fails
             END-IF
             if (SQLCODE  <  0  OR  int1  NOT =  waitin) then
      *Waste time and try again
           PERFORM NOSUBCLASS THRU EXIT-NOSUBCLASS
               if (NORMSQ   =   "21000") then
                 GO TO P198
               END-IF
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  014
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 2 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P165
             END-IF

      *Check for dirty read
           .
        P137.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P137"
             END-IF
             DISPLAY "dstmt=""SET TRANSACTION ISOLATION LEVEL READ
      -    " COMMITTED"""
             MOVE "SET TRANSACTION ISOLATION LEVEL READ COMMITTED "
             TO dstmt

             DISPLAY "PREPARE S1034 FROM :dstmt;"
             EXEC SQL PREPARE S1034 FROM :dstmt END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "Failure on PREPARE = failure on test"
               MOVE 0 TO flag
             END-IF
             DISPLAY "EXECUTE S1034;"
             EXEC SQL EXECUTE S1034 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "SQLCODE is ", SQL-COD
               DISPLAY "Failure on transaction statement = failure on
      -    " test"
               MOVE 0 TO flag
             END-IF
      *Give 'B' a chance to do its damage.
             DISPLAY "Begin SLEEEP (5)"
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
               MOVE 5 TO PLEN
             PERFORM SLEEEP THRU P133
             DISPLAY "End SLEEEP (5)"
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
      *Check for dirty read.
             COMPUTE int1 = -1

             DISPLAY "dstmt=""SELECT C1 FROM USG103 WHERE C_1 = 985"""
             MOVE "SELECT C1 FROM USG103 WHERE C_1 = 985 "
             TO dstmt

             DISPLAY "PREPARE S1031 FROM :dstmt;"
             EXEC SQL PREPARE S1031 FROM :dstmt END-EXEC
             MOVE SQLCODE TO SQL-COD

             if (SQLCODE  <  0) then
               DISPLAY "SQLCODE is ", SQL-COD
               DISPLAY "Failure on PREPARE = failure on test"
               MOVE 0 TO flag
               GO TO P150
             END-IF
             DISPLAY "DECLARE C1031 CURSOR FOR S1031;"
             EXEC SQL DECLARE C1031 CURSOR FOR S1031 END-EXEC

             DISPLAY "OPEN C1031;"
             EXEC SQL OPEN C1031 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P138
             END-IF

             DISPLAY "FETCH C1031 INTO :int1;"
             EXEC SQL FETCH C1031 INTO :int1 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P138
             END-IF
             DISPLAY "SQLCODE should be 100; its value is ", SQL-COD
             if (SQLCODE  NOT =  100) then
               MOVE 0 TO flag
             END-IF

             DISPLAY "CLOSE C1031;"
             EXEC SQL CLOSE C1031 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P138
             END-IF

             DISPLAY "Committing transaction...."
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "Transaction voided."
               GO TO P138
             END-IF

             MOVE 0 TO fails
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
             DISPLAY "Passing token to 'B'...."
             GO TO P169

           .
        P138.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P138"
             END-IF
             DISPLAY "SQLCODE is ", SQL-COD
             EXEC SQL ROLLBACK WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             COMPUTE fails = fails + 1
             if (fails  >  maxfls) then
               GO TO P199
             END-IF
             if (fails  >  3) then
               MOVE 20 TO PLEN
               PERFORM SLEEEP THRU P133
             END-IF
             GO TO P137

           .
        P169.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P169"
             END-IF
             EXEC SQL UPDATE HU.TOKENS SET TOKEN_NO = TOKEN_NO + 1
               WHERE PROG_NO = :progno END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  015
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P169
             END-IF
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  016
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P169
             END-IF
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME

             MOVE 4 TO waitin
             MOVE 0 TO fails
             COMPUTE oldtok = -1
             DISPLAY "Waiting for the token to reach ", waitin, "."

           .
        P167.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P167"
             END-IF
             COMPUTE int1 = -1
             EXEC SQL SELECT TOKEN_NO INTO :int1 FROM HU.TOKENS
               WHERE PROG_NO = :progno END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
             END-IF
             if (int1  NOT =  oldtok  AND  SQLCODE  NOT <  0  AND
             SQLCODE  NOT =  100 ) then
               DISPLAY "Token = ", int1
               MOVE int1 TO oldtok
               MOVE 0 TO fails
             END-IF
             if (SQLCODE  <  0  OR  int1  NOT =  waitin) then
      *Waste time and try again
           PERFORM NOSUBCLASS THRU EXIT-NOSUBCLASS
               if (NORMSQ   =   "21000") then
                 GO TO P198
               END-IF
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  017
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 2 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P167
             END-IF

      *Check for non-repeatable read

           .
        P153.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P153"
             END-IF
             DISPLAY "dstmt=""SET TRANSACTION ISOLATION LEVEL REPEATABLE
      -    " READ"""
             MOVE "SET TRANSACTION ISOLATION LEVEL REPEATABLE READ "
             TO dstmt
             DISPLAY "EXECUTE IMMEDIATE :dstmt;"
             EXEC SQL EXECUTE IMMEDIATE :dstmt END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "SQLCODE is ", SQL-COD
               DISPLAY "Failure on transaction statement = failure on
      -    " test"
               MOVE 0 TO flag
             END-IF
      *Check for non-repeatable read.
             COMPUTE int1 = -1
             DISPLAY "dstmt=""SELECT C1 FROM USG103 WHERE C_1 = 600"""
             MOVE "SELECT C1 FROM USG103 WHERE C_1 = 600 "
             TO dstmt
             DISPLAY "PREPARE S1032 FROM :dstmt;"
             EXEC SQL PREPARE S1032 FROM :dstmt END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "Failure on PREPARE = failure on test"
               MOVE 0 TO flag
               GO TO P150
             END-IF
             DISPLAY "DECLARE C1032 CURSOR FOR S1032;"
             EXEC SQL DECLARE C1032 CURSOR FOR S1032 END-EXEC

             DISPLAY "OPEN C1032;"
             EXEC SQL OPEN C1032 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P152
             END-IF

             DISPLAY "FETCH C1032 INTO :int1;"
             EXEC SQL FETCH C1032 INTO :int1 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P152
             END-IF

             DISPLAY "CLOSE C1032;"
             EXEC SQL CLOSE C1032 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P152
             END-IF

             DISPLAY "int1 is ", int1
             DISPLAY "Waiting for 'B' to commit...."
             DISPLAY "Begin SLEEEP (20)"
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
               MOVE 20 TO PLEN
             PERFORM SLEEEP THRU P133
             DISPLAY "End SLEEEP (20)"
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME

             COMPUTE int2 = -2
             DISPLAY "OPEN C1032;"
             EXEC SQL OPEN C1032 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P152
             END-IF

             DISPLAY "FETCH C1032 INTO :int2;"
             EXEC SQL FETCH C1032 INTO :int2 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P152
             END-IF

             DISPLAY "CLOSE C1032;"
             EXEC SQL CLOSE C1032 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P152
             END-IF

             DISPLAY "int2 is ", int2
             DISPLAY "You fail if int1 != int2."
             if (int1  NOT =  int2) then
               MOVE 0 TO flag
             END-IF

             DISPLAY "Committing transaction...."
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "Transaction voided."
               GO TO P152
             END-IF
             GO TO P176

           .
        P152.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P152"
             END-IF
             DISPLAY "SQLCODE is ", SQL-COD
             EXEC SQL ROLLBACK WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             COMPUTE fails = fails + 1
             if (fails  >  maxfls) then
               GO TO P199
             END-IF
             GO TO P153

           .
        P176.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P176"
             END-IF
             MOVE 0 TO fails
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
             DISPLAY "Passing token to 'B'...."

           .
        P170.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P170"
             END-IF
             EXEC SQL UPDATE HU.TOKENS SET TOKEN_NO = TOKEN_NO + 1
               WHERE PROG_NO = :progno END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  018
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P170
             END-IF
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
      *Waste time and try again
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  019
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 1 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P170
             END-IF
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME

             MOVE 6 TO waitin
             MOVE 0 TO fails
             COMPUTE oldtok = -1
             DISPLAY "Waiting for the token to reach ", waitin, "."

           .
        P171.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P171"
             END-IF
             COMPUTE int1 = -1
             EXEC SQL SELECT TOKEN_NO INTO :int1 FROM HU.TOKENS
               WHERE PROG_NO = :progno END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "SQLCODE = ", SQL-COD, " SQLSTATE = '",
             SQLSTATE,  "'"
             END-IF
             if (int1  NOT =  oldtok  AND  SQLCODE  NOT <  0  AND
             SQLCODE  NOT =  100 ) then
               DISPLAY "Token = ", int1
               MOVE int1 TO oldtok
               MOVE 0 TO fails
             END-IF
             if (SQLCODE  <  0  OR  int1  NOT =  waitin) then
      *Waste time and try again
           PERFORM NOSUBCLASS THRU EXIT-NOSUBCLASS
               if (NORMSQ   =   "21000") then
                 GO TO P198
               END-IF
               COMPUTE fails = fails + 1
               if (fails  >  maxfls) then
                 GO TO P199
               END-IF
      *TEd hook for fixing delays:  030
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               MOVE 2 TO PLEN
               PERFORM SLEEEP THRU P133
               EXEC SQL ROLLBACK WORK END-EXEC
               MOVE SQLCODE TO SQL-COD
               GO TO P171
             END-IF

      *Check for phantom read
           .
        P173.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P173"
             END-IF
             DISPLAY "dstmt=""SET TRANSACTION ISOLATION LEVEL
      -    " SERIALIZABLE"""
             MOVE "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE "
             TO dstmt
             DISPLAY "EXECUTE IMMEDIATE :dstmt;"
             EXEC SQL EXECUTE IMMEDIATE :dstmt END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "SQLCODE is ", SQL-COD
               DISPLAY "Failure on transaction statement = failure on
      -    " test"
               MOVE 0 TO flag
             END-IF
             COMPUTE int1 = -1
             DISPLAY "dstmt=""SELECT COUNT(*) FROM USG103"""
             MOVE "SELECT COUNT(*) FROM USG103 "
             TO dstmt
             DISPLAY "PREPARE S1033 FROM :dstmt;"
             EXEC SQL PREPARE S1033 FROM :dstmt END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "Failure on PREPARE = failure on test"
               MOVE 0 TO flag
               GO TO P150
             END-IF
             DISPLAY "DECLARE C1033 CURSOR FOR S1033;"
             EXEC SQL DECLARE C1033 CURSOR FOR S1033 END-EXEC

             DISPLAY "OPEN C1033;"
             EXEC SQL OPEN C1033 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P177
             END-IF

             DISPLAY "FETCH C1033 INTO :int1;"
             EXEC SQL FETCH C1033 INTO :int1 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P177
             END-IF

             DISPLAY "CLOSE C1033;"
             EXEC SQL CLOSE C1033 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P177
             END-IF

             DISPLAY "int1 is ", int1
             DISPLAY "Waiting for 'B' to commit...."
             DISPLAY "Begin SLEEEP (20)"
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
               MOVE 20 TO PLEN
             PERFORM SLEEEP THRU P133
             DISPLAY "End SLEEEP (20)"
      *date_time print
           ACCEPT TO-DAY FROM DATE
           ACCEPT THE-TIME FROM TIME
           DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME

             COMPUTE int2 = -2
             DISPLAY "OPEN C1033;"
             EXEC SQL OPEN C1033 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P177
             END-IF

             DISPLAY "FETCH C1033 INTO :int2;"
             EXEC SQL FETCH C1033 INTO :int2 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P177
             END-IF

             DISPLAY "CLOSE C1033;"
             EXEC SQL CLOSE C1033 END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               GO TO P177
             END-IF

             DISPLAY "int2 is ", int2
             DISPLAY "You fail if int1 != int2."
             if (int1  NOT =  int2) then
               MOVE 0 TO flag
             END-IF

             DISPLAY "Committing transaction...."
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "Transaction voided."
               GO TO P177
             END-IF
             GO TO P179

           .
        P177.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P177"
             END-IF
             DISPLAY "SQLCODE is ", SQL-COD
             COMPUTE fails = fails + 1
             if (fails  >  maxfls) then
               GO TO P199
             END-IF
             EXEC SQL ROLLBACK WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             GO TO P173

           .
        P179.
      *Make sure syntax of READ UNCOMMITTED is accepted.  There's noth
      *else to test since its semantics allow ANYTHING.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P179"
             END-IF
             DISPLAY "The following syntax should be accepted."
             DISPLAY "dstmt=""SET TRANSACTION ISOLATION LEVEL READ
      -    " UNCOMMITTED"""
             MOVE "SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED "
             TO dstmt
             DISPLAY "EXECUTE IMMEDIATE :dstmt;"
             EXEC SQL EXECUTE IMMEDIATE :dstmt END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (SQLCODE  <  0) then
               DISPLAY "SQLCODE is ", SQL-COD
               DISPLAY "Failure on transaction statement = failure on
      -    " test"
               MOVE 0 TO flag
             END-IF

           .
        P150.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P150"
             END-IF
             DISPLAY "ROLLBACK WORK;"
             EXEC SQL ROLLBACK WORK END-EXEC
             MOVE SQLCODE TO SQL-COD

             if ( flag  =  1 ) then
               DISPLAY " *** pass *** "
               EXEC SQL INSERT INTO HU.TESTREPORT
                 VALUES('0590','pass','PCO') END-EXEC
               MOVE SQLCODE TO SQL-COD
             else
               DISPLAY " mpa012.pco *** fail *** "
               EXEC SQL INSERT INTO HU.TESTREPORT
                 VALUES('0590','fail','PCO') END-EXEC
               MOVE SQLCODE TO SQL-COD
               COMPUTE errcnt = errcnt + 1
             END-IF
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD

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

             EXEC SQL DELETE FROM HU.TOKENS WHERE PROG_NO = :progno
             END-EXEC
             EXEC SQL COMMIT WORK END-EXEC

      ******************** END TEST0590 ********************
           STOP RUN.

        P198.
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P198"
             END-IF
             DISPLAY "CARDINALITY VIOLATION"

           .
        P199.
             EXEC SQL ROLLBACK WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
             if (debug1  NOT =  0) then
               DISPLAY "Debug trace: P199"
             END-IF
             if (fails  >  maxfls)  then
               DISPLAY "The number of attempts (fails) exceeds variable
      -    " maxfls."
               DISPLAY "Increase the value of variable maxfls, if
      -    " needed."
               DISPLAY "Or, increase the value of variable pauze."
             END-IF
             DISPLAY "MAYDAY MAYDAY PROGRAM ABORTING"
             DISPLAY "You will have to start this test over."
             DISPLAY "Trying to kill token (no retries)...."
             EXEC SQL DELETE FROM HU.TOKENS WHERE PROG_NO = :progno
             END-EXEC
             MOVE SQLCODE TO SQL-COD
             EXEC SQL COMMIT WORK END-EXEC
             MOVE SQLCODE TO SQL-COD
           STOP RUN.

      *    ****  Procedures for PERFORM statements

      *TEd hook to replace SLEEEP routine #1
       SLEEEP.
             COMPUTE repcnt = pauze * plen
             MOVE 1 TO iii
           .
       P133.
             COMPUTE int3 = -1
             EXEC SQL UPDATE HU.STAFF3
               SET EMPNAME = NULL WHERE GRADE = :int3 END-EXEC
             MOVE SQLCODE TO SQL-COD
             COMPUTE iii = iii + 1
             if (iii  <  repcnt) then
               GO TO P133
             END-IF
      *TEd hook to replace SLEEEP routine #2
             .

      *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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