* Standard COBOL (file "MPA009.SCO") calling SQL * procedures in file "MPA009.MCO".
**************************************************************** * * COMMENT SECTION * * DATE 1995/03/23 STANDARD 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.SCO * WRITTEN BY: David W. Flater * TRANSLATED AUTOMATICALLY FROM EMBEDDED COBOL BY CHRIS SCHANZLE * * THIS PROGRAM IS PART A OF A TWO-PART PROGRAM(A & B) THAT * TESTS THE CONCURRENCY OF DYNAMIC SQL * ****************************************************************
* EXEC SQL COMMIT WORK; CALL"SUB18"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD if (SQLCODE < 0) then DISPLAY"*********Setup will not commit ********" * EXEC SQL ROLLBACK WORK; CALL"SUB19"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD GOTO 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; CALL"SUB20"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD COMPUTE i = i + 1 if (i < pauze) then GOTO P106 END-IF *end of pause
MOVE 0 TO knum * EXEC SQL SELECT COUNT(*) * INTO :knum * FROM MP9_NEXTKEY WHERE AUTHOR = 'B'; CALL"SUB21"USINGSQLCODE SQLSTATE knum MOVESQLCODETO SQL-COD
DISPLAY"Transaction A Starts!! " *date_time print ACCEPT TO-DAY FROMDATE ACCEPT THE-TIME FROMTIME 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; CALL"SUB23"USINGSQLCODE SQLSTATE dstmt MOVESQLCODETO SQL-COD MOVE"SELECT BNUM FROM MP9_BB
- " "TO dstmt * EXEC SQL PREPARE ZERTY FROM :dstmt; CALL"SUB24"USINGSQLCODE SQLSTATE dstmt MOVESQLCODETO 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; CALL"SUB25"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD if (SQLCODE < 0) then GOTO P120 END-IF MOVE 0 TO count1
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P102. * EXEC SQL FETCH YOOK INTO :tmpint; CALL"SUB26"USINGSQLCODE SQLSTATE tmpint MOVESQLCODETO SQL-COD if (SQLCODE < 0) then GOTO P120 END-IF if (SQLCODE = 100) then * EXEC SQL COMMIT WORK; CALL"SUB27"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD DISPLAY count1 " rows moved from MP9_AA to MP9_BB." *date_time print ACCEPT TO-DAY FROMDATE ACCEPT THE-TIME FROMTIME DISPLAY"Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME if (SQLCODE < 0) then GOTO 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 GOTO P103 END-IF * EXEC SQL INSERT INTO MP9_BB VALUES (:tmpint); CALL"SUB28"USINGSQLCODE SQLSTATE tmpint MOVESQLCODETO SQL-COD if (SQLCODE < 0) then GOTO P120 END-IF * EXEC SQL DELETE FROM MP9_AA WHERE CURRENT OF YOOK; CALL"SUB29"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD if (SQLCODE < 0) then GOTO P120 END-IF COMPUTE count1 = count1 + 1 GOTO P102
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P120. DISPLAY"!+!+!+!+!+!+!+!+ DEADLOCK? !+!+!+!+!+!+!+!+!+!+!" DISPLAY"Negative SQLCODE (Deadlock?) was returned earlier" DISPLAY"!+!+!+!+!+!+!+!+ DEADLOCK? !+!+!+!+!+!+!+!+!+!+!" *date_time print ACCEPT TO-DAY FROMDATE ACCEPT THE-TIME FROMTIME DISPLAY"Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME DISPLAY"Restarting transaction ", i "A." * EXEC SQL ROLLBACK WORK; CALL"SUB30"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD COMPUTE flcnt = flcnt + 1 if (flcnt < mxfail) then GOTO 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; CALL"SUB31"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD COMPUTE j = j + 1 if (j < pauze2) then GOTO P136 END-IF *end of pause GOTO P101
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P103. *Move all data into table AA for application Zook. * EXEC SQL DECLARE ZOOK CURSOR FOR ZERTY END-EXEC * EXEC SQL OPEN ZOOK; CALL"SUB32"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD if (SQLCODE < 0) then GOTO P110 END-IF MOVE 0 TO count1
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P104. * EXEC SQL FETCH ZOOK INTO :tmpint; CALL"SUB33"USINGSQLCODE SQLSTATE tmpint MOVESQLCODETO SQL-COD if (SQLCODE < 0) then GOTO P110 END-IF if (SQLCODE = 100) then * EXEC SQL COMMIT WORK; CALL"SUB34"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD DISPLAY count1 " rows moved from MP9_BB to MP9_AA." *date_time print ACCEPT TO-DAY FROMDATE ACCEPT THE-TIME FROMTIME DISPLAY"Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME if (SQLCODE < 0) then GOTO P110 END-IF if (count1 NOT = 10 AND count1 NOT = 0) then MOVE 0 TO flag END-IF GOTO P166 END-IF * EXEC SQL INSERT INTO MP9_AA VALUES (:tmpint); CALL"SUB35"USINGSQLCODE SQLSTATE tmpint MOVESQLCODETO SQL-COD if (SQLCODE < 0) then GOTO P110 END-IF * EXEC SQL DELETE FROM MP9_BB WHERE CURRENT OF ZOOK; CALL"SUB36"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD if (SQLCODE < 0) then GOTO P110 END-IF COMPUTE count1 = count1 + 1 GOTO P104
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P166. *date_time print ACCEPT TO-DAY FROMDATE ACCEPT THE-TIME FROMTIME DISPLAY"Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME DISPLAY"Survived transaction ", i "." if (i NOT < loops) then GOTO P199 END-IF COMPUTE i = i + 1 GOTO P101
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P110. DISPLAY"!+!+!+!+!+!+!+!+ DEADLOCK? !+!+!+!+!+!+!+!+!+!+!" DISPLAY"Negative SQLCODE (Deadlock?) was returned earlier" DISPLAY"!+!+!+!+!+!+!+!+ DEADLOCK? !+!+!+!+!+!+!+!+!+!+!" *date_time print ACCEPT TO-DAY FROMDATE ACCEPT THE-TIME FROMTIME DISPLAY"Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME DISPLAY"Restarting transaction ", i "B." * EXEC SQL ROLLBACK WORK; CALL"SUB37"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD COMPUTE flcnt = flcnt + 1 if (flcnt < mxfail) then GOTO P103 END-IF MOVE 0 TO flcnt DISPLAY"Wasting some time to try to end repeated
- " restarts..." MOVE 0 TO j
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P137. * EXEC SQL UPDATE MP9_NN * SET NUMTEST = 1; CALL"SUB38"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD COMPUTE j = j + 1 if (j < pauze2) then GOTO P137 END-IF *end of pause GOTO P103
*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.
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P201. *date_time print ACCEPT TO-DAY FROMDATE ACCEPT THE-TIME FROMTIME 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 * ; CALL"SUB41"USINGSQLCODE SQLSTATE cnt1 MOVESQLCODETO SQL-COD if (SQLCODENOT = 0 ) then DISPLAY"Restarting final evaluation due to negative
- " SQLCODE." * EXEC SQL COMMIT WORK; CALL"SUB42"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD GOTO P201 END-IF DISPLAY"SELECT COUNT(*) INTO :cnt2 FROM MP9_AA;" * EXEC SQL SELECT COUNT(*) INTO :cnt2 FROM MP9_AA; CALL"SUB43"USINGSQLCODE SQLSTATE cnt2 MOVESQLCODETO SQL-COD if (SQLCODENOT = 0 ) then DISPLAY"Restarting final evaluation due to negative
- " SQLCODE." * EXEC SQL COMMIT WORK; CALL"SUB44"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD GOTO 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 * ; CALL"SUB45"USINGSQLCODE SQLSTATE cnt1 MOVESQLCODETO SQL-COD if (SQLCODENOT = 0 ) then DISPLAY"Restarting final evaluation due to negative
- " SQLCODE." * EXEC SQL COMMIT WORK; CALL"SUB46"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD GOTO P201 END-IF DISPLAY"SELECT COUNT(*) INTO :cnt2 FROM MP9_BB;" * EXEC SQL SELECT COUNT(*) INTO :cnt2 FROM MP9_BB; CALL"SUB47"USINGSQLCODE SQLSTATE cnt2 MOVESQLCODETO SQL-COD if (SQLCODENOT = 0 ) then DISPLAY"Restarting final evaluation due to negative
- " SQLCODE." * EXEC SQL COMMIT WORK; CALL"SUB48"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD GOTO 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
******************** END TEST0847 *******************
*Empty table to prevent program MPB from jumping gun on rerun. * EXEC SQL DELETE FROM MP9_NEXTKEY; CALL"SUB52"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD * EXEC SQL COMMIT WORK; CALL"SUB53"USINGSQLCODE SQLSTATE MOVESQLCODETO SQL-COD
**** TESTER MAY CHOOSE TO INSERT CODE FOR errcnt > 0 STOPRUN.
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Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.