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IDENTIFICATION DIVISION.
PROGRAM-ID. MPA009.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
SOURCE-COMPUTER. xyz.
OBJECT-COMPUTER. xyz.
DATA DIVISION.
WORKING-STORAGE SECTION.
* EMBEDDED COBOL (file "MPA009.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.
*
* MPA009.PCO
* WRITTEN BY: David W. Flater
* TRANSLATED AUTOMATICALLY FROM EMBEDDED C BY CHRIS SCHANZLE
*
* THIS PROGRAM IS PART A OF A TWO-PART PROGRAM(A & B) THAT
* TESTS THE CONCURRENCY OF DYNAMIC SQL
*
****************************************************************
EXEC SQL BEGIN DECLARE SECTION END-EXEC
01 knum PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 cnt1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 cnt2 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).
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 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 flag PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 j PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 tmpcnt PIC S9(9) DISPLAY SIGN LEADING SEPARATE.
01 flg1 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, mpa009.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 5 TO loops
MOVE 0 TO flcnt
MOVE 10 TO mxfail
MOVE 100 TO pauze2
******************** BEGIN TEST0847 *******************
MOVE 1 TO flag
DISPLAY " TEST0847 "
DISPLAY " Dynamic SQL: serializability"
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 MP9_AA END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_AA VALUES (1) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_AA VALUES (2) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_AA VALUES (3) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_AA VALUES (4) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_AA VALUES (5) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL DELETE FROM MP9_BB END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_BB VALUES (6) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_BB VALUES (7) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_BB VALUES (8) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_BB VALUES (9) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT INTO MP9_BB VALUES (10) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL DELETE FROM MP9_NEXTKEY END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
MOVE 1 TO code1
END-IF
EXEC SQL INSERT
INTO MP9_NEXTKEY (KEYNUM,AUTHOR)
VALUES (1,'A') END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 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 < 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 MPB009!!! "
*pause a little
*increase value of variable pauze if MPB009 has trouble
* getting table MP9_NEXTKEY.
MOVE 0 TO i
.
P106.
EXEC SQL UPDATE MP9_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 MP9_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!"
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 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 P120
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 P120
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 P120
END-IF
if (count1 NOT = 10 AND count1 NOT = 5 AND count1
NOT = 0) then
MOVE 0 TO flag
END-IF
if (i NOT = 1 AND count1 = 5) then
MOVE 0 TO flag
END-IF
GO TO P103
END-IF
EXEC SQL INSERT INTO MP9_BB VALUES (:tmpint) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P120
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 P120
END-IF
COMPUTE count1 = count1 + 1
GO TO P102
.
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 ", i "A."
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 MP9_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
.
P103.
*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 P110
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 P110
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 P110
END-IF
if (count1 NOT = 10 AND count1 NOT = 0) then
MOVE 0 TO flag
END-IF
GO TO P166
END-IF
EXEC SQL INSERT INTO MP9_AA VALUES (:tmpint) END-EXEC
MOVE SQLCODE TO SQL-COD
if (SQLCODE < 0) then
GO TO P110
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 P110
END-IF
COMPUTE count1 = count1 + 1
GO TO P104
.
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.
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
COMPUTE flcnt = flcnt + 1
if (flcnt < mxfail) then
GO TO P103
END-IF
MOVE 0 TO flcnt
DISPLAY "Wasting some time to try to end repeated
- " restarts..."
MOVE 0 TO j
.
P137.
EXEC SQL UPDATE MP9_NN
SET NUMTEST = 1 END-EXEC
MOVE SQLCODE TO SQL-COD
COMPUTE j = j + 1
if (j < pauze2) then
GO TO P137
END-IF
*end of pause
GO TO P103
.
P199.
*Waste time
DISPLAY "MPA009 transaction completed--wasting time...."
MOVE 0 TO cnt
.
P115.
EXEC SQL UPDATE MP9_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
*Finish up
*All the data must end up in one table in order for the
*transactions to be serializable. It is not permissible
*for a simultaneous swap of the contents of the two tables
*to occur. One transaction or the other MUST go first.
.
P201.
*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 "SELECT COUNT(DISTINCT ANUM) INTO :cnt1 FROM
- " MP9_AA;"
EXEC SQL SELECT COUNT(DISTINCT ANUM) INTO :cnt1 FROM MP9_AA
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 P201
END-IF
DISPLAY "SELECT COUNT(*) INTO :cnt2 FROM MP9_AA;"
EXEC SQL SELECT COUNT(*) INTO :cnt2 FROM MP9_AA 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 P201
END-IF
DISPLAY "cnt1 = ", cnt1 "; cnt2 = ", cnt2
DISPLAY "They should be equal."
if (cnt1 NOT = cnt2) then
MOVE 0 TO flag
END-IF
DISPLAY "tmpcnt = cnt1;"
MOVE cnt1 TO tmpcnt
DISPLAY " "
DISPLAY "SELECT COUNT(DISTINCT BNUM) INTO :cnt1 FROM
- " MP9_BB;"
EXEC SQL SELECT COUNT(DISTINCT BNUM) INTO :cnt1 FROM MP9_BB
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 P201
END-IF
DISPLAY "SELECT COUNT(*) INTO :cnt2 FROM MP9_BB;"
EXEC SQL SELECT COUNT(*) INTO :cnt2 FROM MP9_BB 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 P201
END-IF
DISPLAY "cnt1 = ", cnt1 "; cnt2 = ", cnt2
DISPLAY "They should be equal."
if (cnt1 NOT = cnt2) then
MOVE 0 TO flag
END-IF
DISPLAY " "
DISPLAY "We must also have either (cnt1 == 10 && tmpcnt ==
- " 0)"
DISPLAY " or (cnt1 == 0 && tmpcnt == 10)."
MOVE 0 TO flg1
if (cnt1 = 10 AND tmpcnt = 0) then
MOVE 1 TO flg1
END-IF
if (cnt1 = 0 AND tmpcnt = 10) then
MOVE 1 TO flg1
END-IF
if (flg1 = 0) then
MOVE 0 TO flag
END-IF
if ( flag = 1 ) then
DISPLAY " *** pass *** "
EXEC SQL INSERT INTO HU.TESTREPORT
VALUES('0847','pass','PCO') END-EXEC
MOVE SQLCODE TO SQL-COD
else
DISPLAY " mpa009.pco *** fail *** "
EXEC SQL INSERT INTO HU.TESTREPORT
VALUES('0847','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 TEST0847 *******************
*Empty table to prevent program MPB from jumping gun on rerun.
EXEC SQL DELETE FROM MP9_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.
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