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Quellcode-Bibliothek© Kompilation durch diese Firma[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]Datei: mpb005.cob Sprache: Cobol |
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IDENTIFICATION DIVISION.
PROGRAM-ID. MPB005. ENVIRONMENT DIVISION. CONFIGURATION SECTION. SOURCE-COMPUTER. xyz. OBJECT-COMPUTER. xyz. DATA DIVISION. WORKING-STORAGE SECTION. * Standard COBOL (file "MPB005.SCO") calling SQL * procedures in file "MPB005.MCO". * STANDARD COBOL (file "MPB005.SCO") **************************************************************** * * COMMENT SECTION * * DATE Halloween 1991 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. * * MPB005.SCO * WRITTEN BY: J Sullivan * * THIS PROGRAM IS PART A OF A TWO-PART PROGRAM(A & B) THAT * TESTS THE CONCURRENCY OF SQL - Phantom Read * * REFERENCES * AMERICAN NATIONAL STANDARD database language - SQL * X3.135-1989 * * SECTION 4.16 Transactions * Paragraph Two **************************************************************** * EXEC SQL BEGIN DECLARE SECTION END-EXEC 01 getct PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 uid PIC X(18). 01 uidx PIC X(18). 01 CC PIC X(2). * EXEC SQL END DECLARE SECTION END-EXEC 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 seqno PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 chekct PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 errflg PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 ii PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 iii PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 code1 PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 pauze PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 pauze2 PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 tranct PIC S9(9) DISPLAY SIGN LEADING SEPARATE. 01 mpbins 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" END-IF MOVE 0 TO errcnt DISPLAY "SQL Test Suite, V6.0, Standard COBOL, mpb005. - "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 *transactions are inserted in multiples of the value of tranct MOVE 5 TO tranct *MPB005 will insert 12 rows into MP5_TT for this test suite type MOVE 24 TO mpbins *concurrency tuning variables follow: *wait pauze units between transactions in a set *wait pauze2 units between sets of transations MOVE 1 TO pauze MOVE 20 TO pauze2 * EXEC SQL COMMIT WORK; CALL "SUB2" USING SQLCODE MOVE SQLCODE TO SQL-COD ******************** BEGIN TEST0457 ******************* DISPLAY " TEST0457 " DISPLAY " Reference X3.135-1989 Section 4.16 Transactions - " " DISPLAY " Paragraph Two - Serializability - " " DISPLAY " Phantom Read" DISPLAY " - - - - - - - - - - - - - - - - - - -" DISPLAY " *** This program is part B of a two-part - " " DISPLAY " *** program (A & B) that tests for the - " concurrency " DISPLAY " *** of SQL. Program A inserts and deletes - " multiples " DISPLAY " *** of 5 rows between COMMITs while Program B - " reads" DISPLAY " *** and counts, ensuring that only multiples of 5 - " " DISPLAY " *** are found." DISPLAY " " MOVE 0 TO seqno MOVE 0 TO errflg * -----Concurrent Transaction Loop----- *Count MP5_AA for phantom (uncommitted) rows . P110. MOVE 0 TO code1 * EXEC SQL SELECT COUNT(*) INTO :getct FROM MP5_AA; CALL "SUB3" USING SQLCODE getct MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then DISPLAY "MPB005: Negative SQLCODE counting MP5_AA - " (Deadlock?)" * EXEC SQL ROLLBACK WORK; CALL "SUB4" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P110 END-IF *Has MPA005 started yet? if (getct = 0) then DISPLAY "Please start MPA005" * EXEC SQL COMMIT WORK; CALL "SUB2" USING SQLCODE GO TO P110 END-IF * EXEC SQL INSERT INTO MP5_TT VALUES ('PC',:getct); CALL "SUB5" USING SQLCODE getct MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then MOVE 1 TO code1 END-IF * EXEC SQL COMMIT WORK; CALL "SUB6" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0 OR code1 NOT = 0) then DISPLAY "MPB005:1: Negative SQLCODE inserting into - " MP5_AA" * EXEC SQL ROLLBACK WORK; CALL "SUB7" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P110 END-IF DISPLAY getct " rows counted in table MP5_AA" COMPUTE seqno = seqno + 1 *Is getct a multiple of tranct? COMPUTE chekct = getct / tranct COMPUTE chekct = chekct * tranct if (chekct NOT = getct) then MOVE 1 TO errflg END-IF *pause a little MOVE 0 TO iii . P118. * EXEC SQL SELECT C1 INTO :CC FROM HU.ECCO; CALL "SUB8" USING SQLCODE CC MOVE SQLCODE TO SQL-COD * EXEC SQL COMMIT WORK; CALL "SUB9" USING SQLCODE MOVE SQLCODE TO SQL-COD COMPUTE iii = iii + 1 if (iii < pauze) then GO TO P118 END-IF *end of pause *Read MP5_AA for phantom (uncommitted) rows . P120. MOVE 0 TO code1 * EXEC SQL DECLARE MP5_CURSOR1 CURSOR FOR * SELECT ANUM FROM MP5_AA END-EXEC * EXEC SQL OPEN MP5_CURSOR1; CALL "SUB10" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then MOVE 1 TO code1 END-IF MOVE 0 TO ii . P122. *count rows in table MP5_AA * EXEC SQL FETCH MP5_CURSOR1 INTO :getct; CALL "SUB11" USING SQLCODE getct MOVE SQLCODE TO SQL-COD if (SQLCODE = 0) then COMPUTE ii = ii + 1 GO TO P122 END-IF if (SQLCODE < 0) then MOVE 1 TO code1 END-IF if (code1 NOT = 0) then DISPLAY "MPB005: Negative SQLCODE reading MP5_AA - " (Deadlock?)" * EXEC SQL ROLLBACK WORK; CALL "SUB12" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P120 END-IF MOVE ii TO getct * EXEC SQL INSERT INTO MP5_TT VALUES ('PC',:getct); CALL "SUB13" USING SQLCODE getct MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then MOVE 1 TO code1 END-IF * EXEC SQL COMMIT WORK; CALL "SUB14" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0 OR code1 NOT = 0) then DISPLAY "MPB005:2: Negative SQLCODE inserting into - " MP5_TT" * EXEC SQL ROLLBACK WORK; CALL "SUB15" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P120 END-IF DISPLAY getct " rows fetched from table MP5_AA" COMPUTE seqno = seqno + 1 *Is getct a multiple of tranct? COMPUTE chekct = getct / tranct COMPUTE chekct = chekct * tranct if (chekct NOT = getct) then MOVE 1 TO errflg END-IF *pause a little MOVE 0 TO iii . P128. * EXEC SQL SELECT C1 INTO :CC FROM HU.ECCO; CALL "SUB16" USING SQLCODE CC MOVE SQLCODE TO SQL-COD * EXEC SQL COMMIT WORK; CALL "SUB17" USING SQLCODE MOVE SQLCODE TO SQL-COD COMPUTE iii = iii + 1 if (iii < pauze) then GO TO P128 END-IF *end of pause *Count MP5_AA_INDEX for phantom (uncommitted) rows . P130. MOVE 0 TO code1 * EXEC SQL SELECT COUNT(*) INTO :getct FROM MP5_AA_INDEX * ; CALL "SUB18" USING SQLCODE getct MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then DISPLAY "MPB005: Negative SQLCODE counting MP5_AA_INDEX - " (Deadlock?)" * EXEC SQL ROLLBACK WORK; CALL "SUB19" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P130 END-IF * EXEC SQL INSERT INTO MP5_TT VALUES ('PC',:getct); CALL "SUB20" USING SQLCODE getct MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then MOVE 1 TO code1 END-IF * EXEC SQL COMMIT WORK; CALL "SUB21" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0 OR code1 NOT = 0) then DISPLAY "MPB005:3: Negative SQLCODE inserting into - " MP5_TT" * EXEC SQL ROLLBACK WORK; CALL "SUB22" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P130 END-IF DISPLAY getct " rows counted in table MP5_AA_INDEX" COMPUTE seqno = seqno + 1 *Is getct a multiple of tranct? COMPUTE chekct = getct / tranct COMPUTE chekct = chekct * tranct if (chekct NOT = getct) then MOVE 1 TO errflg END-IF *pause a little MOVE 0 TO iii . P138. * EXEC SQL SELECT C1 INTO :CC FROM HU.ECCO; CALL "SUB23" USING SQLCODE CC MOVE SQLCODE TO SQL-COD * EXEC SQL COMMIT WORK; CALL "SUB24" USING SQLCODE MOVE SQLCODE TO SQL-COD COMPUTE iii = iii + 1 if (iii < pauze) then GO TO P138 END-IF *end of pause *Read MP5_AA_INDEX for phantom (uncommitted) rows . P140. MOVE 0 TO code1 * EXEC SQL DECLARE MP5_CURSOR2 CURSOR FOR * SELECT ANUM FROM MP5_AA_INDEX END-EXEC * EXEC SQL OPEN MP5_CURSOR2; CALL "SUB25" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then MOVE 1 TO code1 END-IF MOVE 0 TO ii . P142. *count rows in table MP5_AA_INDEX * EXEC SQL FETCH MP5_CURSOR2 INTO :getct; CALL "SUB26" USING SQLCODE getct MOVE SQLCODE TO SQL-COD if (SQLCODE = 0) then COMPUTE ii = ii + 1 GO TO P142 END-IF if (SQLCODE < 0) then MOVE 1 TO code1 END-IF if (code1 NOT = 0) then DISPLAY "MPB005: Negative SQLCODE reading MP5_AA_INDEX - " (Deadlock?)" * EXEC SQL ROLLBACK WORK; CALL "SUB27" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P140 END-IF MOVE ii TO getct * EXEC SQL INSERT INTO MP5_TT VALUES ('PC',:getct); CALL "SUB28" USING SQLCODE getct MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0) then MOVE 1 TO code1 END-IF * EXEC SQL COMMIT WORK; CALL "SUB29" USING SQLCODE MOVE SQLCODE TO SQL-COD if (SQLCODE NOT = 0 OR code1 NOT = 0) then DISPLAY "MPB005:4: Negative SQLCODE inserting into - " MP5_TT" * EXEC SQL ROLLBACK WORK; CALL "SUB30" USING SQLCODE MOVE SQLCODE TO SQL-COD GO TO P140 END-IF DISPLAY getct " rows fetched from table MP5_AA_INDEX" COMPUTE seqno = seqno + 1 *Is getct a multiple of tranct? COMPUTE chekct = getct / tranct COMPUTE chekct = chekct * tranct if (chekct NOT = getct) then MOVE 1 TO errflg END-IF *pause a little extra MOVE 0 TO iii . P148. * EXEC SQL SELECT C1 INTO :CC FROM HU.ECCO; CALL "SUB31" USING SQLCODE CC MOVE SQLCODE TO SQL-COD * EXEC SQL COMMIT WORK; CALL "SUB32" USING SQLCODE MOVE SQLCODE TO SQL-COD COMPUTE iii = iii + 1 if (iii < pauze2) then GO TO P148 END-IF *end of pause if (seqno < mpbins) then GO TO P110 END-IF * -----Evaluation----- DISPLAY " " DISPLAY "The number of rows in MP5_AA or MP5_AA_INDEX" DISPLAY " must always be a multiple of ", tranct "." if ( errflg = 0) then DISPLAY "mpb005.sco: *** pass *** " * EXEC SQL INSERT INTO HU.TESTREPORT * VALUES('0457','pass','MCO'); CALL "SUB33" USING SQLCODE MOVE SQLCODE TO SQL-COD else DISPLAY "mpb005.sco: *** fail *** " * EXEC SQL INSERT INTO HU.TESTREPORT * VALUES('0457','fail','MCO'); CALL "SUB34" USING SQLCODE MOVE SQLCODE TO SQL-COD COMPUTE errcnt = errcnt + 1 END-IF DISPLAY " " DISPLAY "====================================================" * EXEC SQL COMMIT WORK; CALL "SUB35" USING SQLCODE MOVE SQLCODE TO SQL-COD ******************** END TEST0457 ******************* **** TESTER MAY CHOOSE TO INSERT CODE FOR errcnt > 0 STOP RUN. * **** Procedures for PERFORM statements ¤ Dauer der Verarbeitung: 0.26 Sekunden (vorverarbeitet) ¤ |
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