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Quellcode-Bibliothek© Kompilation durch diese Firma[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]Datei: mpa007.cob Sprache: Cobol |
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IDENTIFICATION DIVISION.
PROGRAM-ID. MPA007. ENVIRONMENT DIVISION. CONFIGURATION SECTION. SOURCE-COMPUTER. xyz. OBJECT-COMPUTER. xyz. DATA DIVISION. WORKING-STORAGE SECTION. * Standard COBOL (file "MPA007.SCO") calling SQL * procedures in file "MPA007.MCO". * STANDARD COBOL (file "MPA007.SCO") **************************************************************** * * COMMENT SECTION * * DATE 1992/07/17 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. * * MPA007.SCO * 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 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). * 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; CALL "SUB1" USING SQLCODE uidx 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, Standard COBOL, mpa007.sco" 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 TEST0507 ******************* MOVE 1 TO flag DISPLAY " TEST0507 " DISPLAY " Transactions serializable: dueling cursors" 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 MP7_AA; CALL "SUB2" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_AA VALUES (1); CALL "SUB3" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_AA VALUES (2); CALL "SUB4" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_AA VALUES (3); CALL "SUB5" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_AA VALUES (4); CALL "SUB6" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_AA VALUES (5); CALL "SUB7" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL DELETE FROM MP7_BB; CALL "SUB8" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_BB VALUES (6); CALL "SUB9" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_BB VALUES (7); CALL "SUB10" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_BB VALUES (8); CALL "SUB11" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_BB VALUES (9); CALL "SUB12" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT INTO MP7_BB VALUES (10); CALL "SUB13" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL DELETE FROM MP7_NEXTKEY; CALL "SUB14" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then MOVE 1 TO code1 END-IF * EXEC SQL INSERT * INTO MP7_NEXTKEY (KEYNUM,AUTHOR) * VALUES (1,'A'); CALL "SUB15" USING SQLCODE 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; CALL "SUB16" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P100 END-IF * EXEC SQL COMMIT WORK; CALL "SUB17" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then DISPLAY "*********Setup will not commit ********" * EXEC SQL ROLLBACK WORK; CALL "SUB18" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P100 END-IF * -----Synchronization----- . P105. DISPLAY " PLEASE start program MPB007!!! " *pause a little *increase value of variable pauze if MPB007 has trouble * getting table MP7_NEXTKEY. MOVE 0 TO i . P106. * EXEC SQL UPDATE MP7_NN * SET NUMTEST = 1; CALL "SUB19" USING SQLCODE 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 MP7_NEXTKEY WHERE AUTHOR = 'B'; CALL "SUB20" USING SQLCODE knum MOVE SQLCODE TO SQL-COD * EXEC SQL COMMIT WORK; CALL "SUB21" USING SQLCODE 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 *We hired a couple of summer students to write application *programs. The first one wrote application Yook, which *only works if all the data are in table BB, and table AA *is empty. The second one wrote application Zook, which *only works if all the data are in table AA, and table BB *is empty. The table names were hard-coded everywhere, so *rather than rewrite everything we just had another summer *student add code to move the data into the right table *before each application starts up. This more or less *solved the problem, but we have to be careful not to have *two people trying to run the applications simultaneously. . P101. *Move all data into table BB for application Yook. * EXEC SQL DECLARE YOOK CURSOR FOR * SELECT ANUM FROM MP7_AA END-EXEC if (SQLCODE < 0) then GO TO P120 END-IF * EXEC SQL OPEN YOOK; CALL "SUB22" USING SQLCODE 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; CALL "SUB23" USING SQLCODE tmpint MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then GO TO P120 END-IF if (SQLCODE > 0) then * EXEC SQL COMMIT WORK; CALL "SUB24" USING SQLCODE MOVE SQLCODE TO SQL-COD DISPLAY count1 " rows moved from MP7_AA to MP7_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 GO TO P103 END-IF * EXEC SQL INSERT INTO MP7_BB VALUES (:tmpint); CALL "SUB25" USING SQLCODE tmpint MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then GO TO P120 END-IF * EXEC SQL DELETE FROM MP7_AA WHERE CURRENT OF YOOK; CALL "SUB26" USING SQLCODE 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; CALL "SUB27" USING SQLCODE 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 MP7_NN * SET NUMTEST = 1; CALL "SUB28" USING SQLCODE 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 * SELECT BNUM FROM MP7_BB END-EXEC if (SQLCODE < 0) then GO TO P110 END-IF * EXEC SQL OPEN ZOOK; CALL "SUB29" USING SQLCODE 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; CALL "SUB30" USING SQLCODE tmpint MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then GO TO P110 END-IF if (SQLCODE > 0) then * EXEC SQL COMMIT WORK; CALL "SUB31" USING SQLCODE MOVE SQLCODE TO SQL-COD *date_time print ACCEPT TO-DAY FROM DATE ACCEPT THE-TIME FROM TIME DISPLAY "Date run YYMMDD: " TO-DAY " at hhmmssff: " THE-TIME DISPLAY count1 " rows moved from MP7_BB to MP7_AA." if (SQLCODE < 0) then GO TO P110 END-IF GO TO P166 END-IF * EXEC SQL INSERT INTO MP7_AA VALUES (:tmpint); CALL "SUB32" USING SQLCODE tmpint MOVE SQLCODE TO SQL-COD if (SQLCODE < 0) then GO TO P110 END-IF * EXEC SQL DELETE FROM MP7_BB WHERE CURRENT OF ZOOK; CALL "SUB33" USING SQLCODE 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; CALL "SUB34" USING SQLCODE 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 MP7_NN * SET NUMTEST = 1; CALL "SUB35" USING SQLCODE 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 "MPA007 transaction completed--wasting time...." MOVE 0 TO cnt . P115. * EXEC SQL UPDATE MP7_NEXTKEY * SET KEYNUM = KEYNUM +1; CALL "SUB36" USING SQLCODE MOVE SQLCODE TO SQL-COD COMPUTE cnt = cnt + 1 if (cnt < pauze3) then GO TO P115 END-IF * EXEC SQL COMMIT WORK; CALL "SUB37" USING SQLCODE 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 - " MP7_AA;" * EXEC SQL SELECT COUNT(DISTINCT ANUM) INTO :cnt1 FROM MP7_AA * ; CALL "SUB38" USING SQLCODE cnt1 MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0 ) then DISPLAY "Restarting final evaluation due to negative - " SQLCODE." * EXEC SQL COMMIT WORK; CALL "SUB39" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P201 END-IF DISPLAY "SELECT COUNT(*) INTO :cnt2 FROM MP7_AA;" * EXEC SQL SELECT COUNT(*) INTO :cnt2 FROM MP7_AA; CALL "SUB40" USING SQLCODE cnt2 MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0 ) then DISPLAY "Restarting final evaluation due to negative - " SQLCODE." * EXEC SQL COMMIT WORK; CALL "SUB41" USING SQLCODE 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 - " MP7_BB;" * EXEC SQL SELECT COUNT(DISTINCT BNUM) INTO :cnt1 FROM MP7_BB * ; CALL "SUB42" USING SQLCODE cnt1 MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0 ) then DISPLAY "Restarting final evaluation due to negative - " SQLCODE." * EXEC SQL COMMIT WORK; CALL "SUB43" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P201 END-IF DISPLAY "SELECT COUNT(*) INTO :cnt2 FROM MP7_BB;" * EXEC SQL SELECT COUNT(*) INTO :cnt2 FROM MP7_BB; CALL "SUB44" USING SQLCODE cnt2 MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0 ) then DISPLAY "Restarting final evaluation due to negative - " SQLCODE." * EXEC SQL COMMIT WORK; CALL "SUB45" USING SQLCODE 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('0507','pass','MCO'); CALL "SUB46" USING SQLCODE MOVE SQLCODE TO SQL-COD else DISPLAY " mpa007.sco *** fail *** " * EXEC SQL INSERT INTO HU.TESTREPORT * VALUES('0507','fail','MCO'); CALL "SUB47" USING SQLCODE MOVE SQLCODE TO SQL-COD COMPUTE errcnt = errcnt + 1 END-IF * EXEC SQL COMMIT WORK; CALL "SUB48" USING SQLCODE MOVE SQLCODE TO SQL-COD . P198. DISPLAY " " DISPLAY "====================================================" ******************** END TEST0507 ******************* *Empty table to prevent program MPB from jumping gun on rerun. * EXEC SQL DELETE FROM MP7_NEXTKEY; CALL "SUB49" USING SQLCODE MOVE SQLCODE TO SQL-COD * EXEC SQL COMMIT WORK; CALL "SUB50" USING SQLCODE MOVE SQLCODE TO SQL-COD **** TESTER MAY CHOOSE TO INSERT CODE FOR errcnt > 0 STOP RUN. * **** Procedures for PERFORM statements ¤ Dauer der Verarbeitung: 0.33 Sekunden (vorverarbeitet) ¤ |
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