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IDENTIFICATION DIVISION.
PROGRAM-ID. MPB009.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
SOURCE-COMPUTER. xyz.
OBJECT-COMPUTER. xyz.
DATA DIVISION.
WORKING-STORAGE SECTION.
* EMBEDDED COBOL (file "MPB009.PCO")
****************************************************************
*
* COMMENT SECTION
*
* DATE 1995/03/23 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.
*
* MPB009.PCO
* WRITTEN BY: David W. Flater
* TRANSLATED AUTOMATICALLY FROM EMBEDDED C BY CHRIS SCHANZLE
*
* THIS PROGRAM IS PART B OF A TWO-PART PROGRAM(A & B) THAT
* TESTS THE CONCURRENCY OF DYNAMIC SQL
*
****************************************************************
EXEC SQL BEGIN DECLARE SECTION END-EXEC
01 tmpint PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 uid PIC X(18).
01 knum PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 uidx PIC X(18).
01 dstmt PIC X(50).
EXEC SQL END DECLARE SECTION END-EXEC
01 i PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 SQLCODE PIC S9(9) COMP.
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 code1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 pauze PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 count1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 loops PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 flcnt PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 mxfail 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, mpb009.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
MOVE 1 TO pauze
MOVE 5 TO loops
MOVE 0 TO flcnt
MOVE 50 TO mxfail
******************** BEGIN TEST0847 *******************
DISPLAY " TEST0847 "
DISPLAY " Dynamic SQL: serializability"
DISPLAY " - - - - - - - - - - - - - - - - - - -"
DISPLAY "*** This program is part B of a two-part"
DISPLAY "*** program (A & B)."
DISPLAY " This is Program B which starts after Program A...
- " "
* -----Synchronization-----
.
P105.
MOVE 0 TO knum
EXEC SQL SELECT COUNT(*)
INTO :knum
FROM MP9_NEXTKEY WHERE AUTHOR = 'A' END-EXEC
MOVE SQLCODE TO SQL-COD
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
*are we in sync?
if (knum = 0) then
DISPLAY " PLEASE start program MPA009!!! "
GO TO P105
END-IF
.
P106.
MOVE 0 TO code1
EXEC SQL INSERT INTO MP9_NEXTKEY (KEYNUM,AUTHOR)
VALUES(2, 'B') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
if (code1 NOT = 0) then
EXEC SQL ROLLBACK WORK END-EXEC
MOVE SQLCODE TO SQL-COD
DISPLAY "Retrying synchronization logic."
GO TO P106
END-IF
*YES, we are in sync!
DISPLAY "Transaction B Starts!! "
*date_time print
ACCEPT TO-DAY FROM DATE
ACCEPT THE-TIME FROM TIME
DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
DISPLAY " "
DISPLAY "IF this test lasts too long, DEADLOCK"
DISPLAY "has taken place, STOP this test!"
MOVE 1 TO i
MOVE "SELECT ANUM FROM MP9_AA "
TO dstmt
EXEC SQL PREPARE ERTY FROM :dstmt END-EXEC
MOVE SQLCODE TO SQL-COD
MOVE "SELECT BNUM FROM MP9_BB "
TO dstmt
EXEC SQL PREPARE ZERTY FROM :dstmt END-EXEC
MOVE SQLCODE TO SQL-COD
.
P101.
*Move all data into table AA for application Zook.
EXEC SQL DECLARE ZOOK CURSOR FOR ZERTY END-EXEC
EXEC SQL OPEN ZOOK END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P120
END-IF
MOVE 0 TO count1
.
P104.
EXEC SQL FETCH ZOOK INTO :tmpint END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P120
END-IF
if (SQLCODE = 100) then
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
DISPLAY count1 " rows moved from MP9_BB to MP9_AA."
*date_time print
ACCEPT TO-DAY FROM DATE
ACCEPT THE-TIME FROM TIME
DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
if (SQLCODE < 0) then
GO TO P120
END-IF
GO TO P103
END-IF
EXEC SQL INSERT INTO MP9_AA VALUES (:tmpint) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P120
END-IF
EXEC SQL DELETE FROM MP9_BB WHERE CURRENT OF ZOOK END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P120
END-IF
COMPUTE count1 = count1 + 1
GO TO P104
.
P120.
COMPUTE flcnt = flcnt + 1
if (flcnt > mxfail) then
GO TO P180
END-IF
DISPLAY "!+!+!+!+!+!+!+!+ DEADLOCK? !+!+!+!+!+!+!+!+!+!+!"
DISPLAY "Negative SQLCODE (Deadlock?) was returned earlier"
DISPLAY "!+!+!+!+!+!+!+!+ DEADLOCK? !+!+!+!+!+!+!+!+!+!+!"
*date_time print
ACCEPT TO-DAY FROM DATE
ACCEPT THE-TIME FROM TIME
DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
DISPLAY "Restarting transaction ", i "A."
EXEC SQL ROLLBACK WORK END-EXEC
MOVE SQLCODE TO SQL-COD
GO TO P101
.
P103.
*Move all data into table BB for application Yook.
EXEC SQL DECLARE YOOK CURSOR FOR ERTY END-EXEC
EXEC SQL OPEN YOOK END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P110
END-IF
MOVE 0 TO count1
.
P102.
EXEC SQL FETCH YOOK INTO :tmpint END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P110
END-IF
if (SQLCODE = 100) then
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
DISPLAY count1 " rows moved from MP9_AA to MP9_BB."
*date_time print
ACCEPT TO-DAY FROM DATE
ACCEPT THE-TIME FROM TIME
DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
if (SQLCODE < 0) then
GO TO P110
END-IF
GO TO P166
END-IF
EXEC SQL INSERT INTO MP9_BB VALUES (:tmpint) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P110
END-IF
EXEC SQL DELETE FROM MP9_AA WHERE CURRENT OF YOOK END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P110
END-IF
COMPUTE count1 = count1 + 1
GO TO P102
.
P166.
*date_time print
ACCEPT TO-DAY FROM DATE
ACCEPT THE-TIME FROM TIME
DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
DISPLAY "Survived transaction ", i "."
if (i NOT < loops) then
GO TO P199
END-IF
COMPUTE i = i + 1
GO TO P101
.
P110.
COMPUTE flcnt = flcnt + 1
if (flcnt > mxfail) then
GO TO P180
END-IF
DISPLAY "!+!+!+!+!+!+!+!+ DEADLOCK? !+!+!+!+!+!+!+!+!+!+!"
DISPLAY "Negative SQLCODE (Deadlock?) was returned earlier"
DISPLAY "!+!+!+!+!+!+!+!+ DEADLOCK? !+!+!+!+!+!+!+!+!+!+!"
*date_time print
ACCEPT TO-DAY FROM DATE
ACCEPT THE-TIME FROM TIME
DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
DISPLAY "Restarting transaction ", i "B."
EXEC SQL ROLLBACK WORK END-EXEC
MOVE SQLCODE TO SQL-COD
GO TO P103
.
P180.
DISPLAY " "
DISPLAY "Maximum number of failures exceeded"
DISPLAY "Assuming no progress"
DISPLAY "Program B giving up..."
EXEC SQL ROLLBACK WORK END-EXEC
MOVE SQLCODE TO SQL-COD
.
P199.
*Finish up
DISPLAY " "
DISPLAY "Program A decides whether this was a pass or not."
DISPLAY "Program B is now exiting."
*date_time print
ACCEPT TO-DAY FROM DATE
ACCEPT THE-TIME FROM TIME
DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
DISPLAY " "
DISPLAY
"===================================================="
******************** END TEST0847 *******************
**** TESTER MAY CHOOSE TO INSERT CODE FOR errcnt > 0
STOP RUN.
¤ Dauer der Verarbeitung: 0.27 Sekunden
(vorverarbeitet)
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