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IDENTIFICATION DIVISION.
PROGRAM-ID. MPA008.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
SOURCE-COMPUTER. xyz.
OBJECT-COMPUTER. xyz.
DATA DIVISION.
WORKING-STORAGE SECTION.
* EMBEDDED COBOL (file "MPA008.PCO")
****************************************************************
*
* COMMENT SECTION
*
* DATE 1992/07/31 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.
*
* MPA008.PCO
* WRITTEN BY: David W. Flater
*
* THIS PROGRAM IS PART A OF A TWO-PART PROGRAM(A & B) THAT
* TESTS THE CONCURRENCY OF SQL
*
* REFERENCES
* ANSI SQL-1992
* 4.28 SQL-transactions
*
****************************************************************
EXEC SQL BEGIN DECLARE SECTION END-EXEC
01 knum PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 tmpint PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 uid PIC X(18).
01 uidx PIC X(18).
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 cnt 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 pauze2 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 pauze3 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 pauze4 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 flag PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 j 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
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, mpa008.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 1 TO flag
MOVE 300 TO pauze3
MOVE 0 TO flcnt
MOVE 10 TO mxfail
MOVE 300 TO pauze2
MOVE 75 TO pauze4
******************** BEGIN TEST0517 *******************
MOVE 1 TO flag
DISPLAY " TEST0517 "
DISPLAY " Transactions serializable: Twins Problem"
DISPLAY "Reference ANSI SQL-1992 section 4.28
- " SQL-transactions"
DISPLAY " - - - - - - - - - - - - - - - - - - -"
DISPLAY "*** This program is part A of a two-part"
DISPLAY "*** program (A & B)."
DISPLAY " This is Program A which starts first and
- " waits.... "
.
P100.
* -----Initialization-----
MOVE 0 TO code1
EXEC SQL DELETE FROM MP8_AA END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP8_AA VALUES (1,'A') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP8_AA VALUES (2,'A') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP8_AA VALUES (3,'A') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP8_AA VALUES (4,'A') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP8_AA VALUES (5,'A') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL DELETE FROM MP8_NEXTKEY END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT
INTO MP8_NEXTKEY (KEYNUM,AUTHOR)
VALUES (1,'A') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE NOT = 0) then
MOVE 1 TO code1
END-IF
if (code1 = 1) then
DISPLAY "*****Error initializing tables ****"
EXEC SQL ROLLBACK WORK END-EXEC
MOVE SQLCODE TO SQL-COD
GO TO P100
END-IF
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE NOT = 0) then
DISPLAY "*********Setup will not commit ********"
EXEC SQL ROLLBACK WORK END-EXEC
MOVE SQLCODE TO SQL-COD
GO TO P100
END-IF
* -----Synchronization-----
.
P105.
DISPLAY " PLEASE start program MPB008!!! "
*pause a little
*increase value of variable pauze if MPB008 has trouble
* getting table MP8_NEXTKEY.
MOVE 0 TO i
.
P106.
EXEC SQL UPDATE MP8_NN
SET NUMTEST = 1 END-EXEC
MOVE SQLCODE TO SQL-COD
COMPUTE i = i + 1
if (i < pauze) then
GO TO P106
END-IF
*end of pause
MOVE 0 TO knum
EXEC SQL SELECT COUNT(*)
INTO :knum
FROM MP8_NEXTKEY WHERE AUTHOR = 'B' 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
GO TO P105
END-IF
*YES, we are in sync!
DISPLAY "Transaction A 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!"
DISPLAY " "
DISPLAY "Brief pause"
MOVE 0 TO j
.
P122.
EXEC SQL UPDATE MP8_NN
SET NUMTEST = 1 END-EXEC
MOVE SQLCODE TO SQL-COD
COMPUTE j = j + 1
if (j < pauze4) then
GO TO P122
END-IF
*end of pause
DISPLAY "SELECT COUNT(*) FROM MP8_AA WHERE ANUM = 3;"
EXEC SQL SELECT COUNT(*) INTO :tmpint
FROM MP8_AA WHERE ANUM = 3 END-EXEC
MOVE SQLCODE TO SQL-COD
DISPLAY "COUNT must be 1; its value is ", tmpint
if (tmpint NOT = 1) then
MOVE 0 TO flag
END-IF
.
P101.
DISPLAY "DELETE FROM MP8_AA WHERE ANUM = 3;"
EXEC SQL DELETE FROM MP8_AA
WHERE ANUM = 3 END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P120
END-IF
DISPLAY "Waste time...."
MOVE 0 TO j
.
P102.
EXEC SQL UPDATE MP8_NN
SET NUMTEST = 1 END-EXEC
MOVE SQLCODE TO SQL-COD
COMPUTE j = j + 1
if (j < pauze2) then
GO TO P102
END-IF
*end of pause
DISPLAY "INSERT INTO MP8_AA VALUES (3,'A');"
EXEC SQL INSERT INTO MP8_AA VALUES (3,'A') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P120
END-IF
DISPLAY "COMMIT WORK;"
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE NOT < 0) then
GO TO P166
END-IF
.
P120.
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"
EXEC SQL ROLLBACK WORK END-EXEC
MOVE SQLCODE TO SQL-COD
COMPUTE flcnt = flcnt + 1
if (flcnt < mxfail) then
GO TO P101
END-IF
MOVE 0 TO flcnt
DISPLAY "Wasting some time to try to end repeated
- " restarts..."
MOVE 0 TO j
.
P136.
EXEC SQL UPDATE MP8_NN
SET NUMTEST = 1 END-EXEC
MOVE SQLCODE TO SQL-COD
COMPUTE j = j + 1
if (j < pauze2) then
GO TO P136
END-IF
*end of pause
GO TO P101
.
P166.
*Waste time
DISPLAY "MPA008 transaction completed--wasting time...."
*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 cnt
.
P115.
EXEC SQL UPDATE MP8_NEXTKEY
SET KEYNUM = KEYNUM +1 END-EXEC
MOVE SQLCODE TO SQL-COD
COMPUTE cnt = cnt + 1
if (cnt < pauze3) then
GO TO P115
END-IF
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
.
P168.
*date_time print
ACCEPT TO-DAY FROM DATE
ACCEPT THE-TIME FROM TIME
DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME
*Finish up
DISPLAY "SELECT COUNT(*) FROM MP8_AA WHERE ANUM = 3;"
EXEC SQL SELECT COUNT(*) INTO :tmpint
FROM MP8_AA WHERE ANUM = 3 END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE NOT = 0 ) then
DISPLAY "Restarting final evaluation due to negative
- " SQLCODE."
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
GO TO P168
END-IF
DISPLAY "COUNT must be 1; its value is ", tmpint
if (tmpint NOT = 1) then
MOVE 0 TO flag
END-IF
DISPLAY "SELECT COUNT(*) FROM MP8_AA WHERE AUTHOR = 'B';"
EXEC SQL SELECT COUNT(*) INTO :tmpint
FROM MP8_AA WHERE AUTHOR = 'B' END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE NOT = 0 ) then
DISPLAY "Restarting final evaluation due to negative
- " SQLCODE."
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
GO TO P168
END-IF
DISPLAY "COUNT must be 0; its value is ", tmpint
if (tmpint NOT = 0) then
MOVE 0 TO flag
END-IF
if ( flag = 1 ) then
DISPLAY " *** pass *** "
EXEC SQL INSERT INTO HU.TESTREPORT
VALUES('0517','pass','PCO') END-EXEC
MOVE SQLCODE TO SQL-COD
else
DISPLAY " mpa008.pco *** fail *** "
EXEC SQL INSERT INTO HU.TESTREPORT
VALUES('0517','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
.
P198.
DISPLAY " "
DISPLAY
"===================================================="
******************** END TEST0517 *******************
*Empty table to prevent program MPB from jumping gun on rerun.
EXEC SQL DELETE FROM MP8_NEXTKEY END-EXEC
MOVE SQLCODE TO SQL-COD
EXEC SQL COMMIT WORK END-EXEC
MOVE SQLCODE TO SQL-COD
**** TESTER MAY CHOOSE TO INSERT CODE FOR errcnt > 0
STOP RUN.
* **** Procedures for PERFORM statements
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