* * $Header: cbdem1.cob,v 1.3 1995/11/20 13:46:44 plocke Exp $ * * Copyright (c) 1991 by Oracle Corporation * NAME * cbdem1.cob - Cobol demo program # 1 * MODIFIED (MM/DD/YY) * plocke 11/14/95 - to update for v7.3 * dchatter 07/20/95 - merge changes from branch 1.1.720.1 * dchatter 04/14/95 - fix test to work on sun * sjain 03/16/92 - Creation * --------------------------------------------------------- * CBDEM1 IS A SIMPLE EXAMPLE PROGRAM WHICH ADDS * NEW EMPLOYEE ROWS TO THE PERSONNEL DATA BASE. CHECKING * IS DONE TO INSURE THE INTEGRITY OF THE DATA BASE. * THE EMPLOYEE NUMBERS ARE AUTOMATICALLY SELECTED USING * THE CURRENT MAXIMUM EMPLOYEE NUMBER AS THE START. * IF ANY EMPLOYEE NUMBER IS A DUPLICATE, IT IS SKIPPED. * THE PROGRAM QUERIES THE USER FOR DATA AS FOLLOWS: * * Enter employee name : * Enter employee job : * Enter employee salary: * Enter employee dept : * * TO EXIT THE PROGRAM, ENTER A CARRIAGE RETURN AT THE * PROMPT FOR EMPLOYEE NAME. * * IF THE ROW IS SUCCESSFULLY INSERTED, THE FOLLOWING * IS PRINTED: * * ENAME added to DNAME department as employee # NNNNN * * THE MAXIMUM LENGTHS OF THE 'ENAME', 'JOB', AND 'DNAME' * COLUMNS WILL BE DETERMINED BY THE ODESCR CALL. * *---------------------------------------------------------- IDENTIFICATION DIVISION. PROGRAM-ID. CBDEM1. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. 01 LDA. 02 LDA-V2RC PIC S9(4) COMP. 02 FILLER PIC X(10). 02 LDA-RC PIC S9(4) COMP. 02 FILLER PIC X(50). 01 HDA PIC X(512). 01 CURSOR-1. 02 C-V2RC PIC S9(4) COMP. 02 C-TYPE PIC S9(4) COMP. 02 C-ROWS PIC S9(9) COMP. 02 C-OFFS PIC S9(4) COMP. 02 C-FNC PIC S9(4) COMP. 02 C-RC PIC S9(4) COMP. 02 FILLER PIC X(50). 01 CURSOR-2. 02 C-V2RC PIC S9(4) COMP. 02 C-TYPE PIC S9(4) COMP. 02 C-ROWS PIC S9(9) COMP. 02 C-OFFS PIC S9(4) COMP. 02 C-FNC PIC S9(4) COMP. 02 C-RC PIC S9(4) COMP. 02 FILLER PIC X(50). 77 USER-ID PIC X(5) VALUE "SCOTT". 77 USER-ID-L PIC S9(9) VALUE 5 COMP. 77 PSW PIC X(5) VALUE "tiger". 77 PSW-L PIC S9(9) VALUE 5 COMP. 77 CONN PIC S9(9) VALUE 0 COMP. 77 CONN-L PIC S9(9) VALUE 0 COMP. 77 CONN-MODE PIC S9(9) VALUE 0 COMP. 77 SQL-SEL PIC X(38) VALUE "SELECT DNAME FROM DEPT WHERE DEPTNO=:1". 77 SQL-SEL-L PIC S9(9) VALUE 38 COMP. 77 SQL-INS PIC X(150) VALUE "INSERT INTO EMP (EMPNO,ENAME,JOB,SAL,DEPTNO) - " VALUES (:EMPNO,:ENAME,:JOB,:SAL,:DEPTNO)". 77 SQL-INS-L PIC S9(9) VALUE 150 COMP. 77 SQL-SELMAX PIC X(33) VALUE "SELECT NVL(MAX(EMPNO),0) FROM EMP". 77 SQL-SELMAX-L PIC S9(9) VALUE 33 COMP. 77 SQL-SELEMP PIC X(26) VALUE "SELECT ENAME,JOB FROM EMP". 77 SQL-SELEMP-L PIC S9(9) VALUE 26 COMP. 77 EMPNO PIC S9(9) COMP. 77 EMPNO-D PIC ZZZZ9. 77 ENAME PIC X(12). 77 JOB PIC X(12). 77 SAL PIC X(10). 77 DEPTNO PIC X(10). 77 FMT PIC X(6). 77 CBUF PIC X(10). 77 DNAME PIC X(15). 77 ENAME-L PIC S9(9) VALUE 12 COMP. 77 ENAME-SIZE PIC S9(4) COMP. 77 JOB-L PIC S9(9) VALUE 12 COMP. 77 JOB-SIZE PIC S9(4) COMP. 77 SAL-L PIC S9(9) VALUE 10 COMP. 77 DEPTNO-L PIC S9(9) VALUE 10 COMP. 77 DNAME-L PIC S9(9) VALUE 15 COMP. 77 DNAME-SIZE PIC S9(4) COMP. 77 EMPNO-N PIC X(6) VALUE ":EMPNO". 77 ENAME-N PIC X(6) VALUE ":ENAME". 77 JOB-N PIC X(4) VALUE ":JOB". 77 SAL-N PIC X(4) VALUE ":SAL". 77 DEPTNO-N PIC X(7) VALUE ":DEPTNO". 77 EMPNO-N-L PIC S9(9) VALUE 6 COMP. 77 ENAME-N-L PIC S9(9) VALUE 6 COMP. 77 JOB-N-L PIC S9(9) VALUE 4 COMP. 77 SAL-N-L PIC S9(9) VALUE 4 COMP. 77 DEPTNO-N-L PIC S9(9) VALUE 7 COMP. 77 INTEGER PIC S9(9) COMP VALUE 3. 77 ASC PIC S9(9) COMP VALUE 1. 77 ZERO-A PIC S9(9) COMP VALUE 0. 77 ZERO-B PIC S9(4) COMP VALUE 0. 77 ONE PIC S9(9) COMP VALUE 1. 77 TWO PIC S9(9) COMP VALUE 2. 77 FOUR PIC S9(9) COMP VALUE 4. 77 SIX PIC S9(9) COMP VALUE 6. 77 EIGHT PIC S9(9) COMP VALUE 8. 77 ERR-RC PIC S9(4) COMP. 77 ERR-FNC PIC S9(4) COMP. 77 ERR-RC-D PIC ZZZ9. 77 ERR-FNC-D PIC ZZ9. 77 MSGBUF PIC X(160). 77 MSGBUF-L PIC S9(9) COMP VALUE 160. 77 ASK-EMP PIC X(25) VALUE "Enter employee name: ". 77 ASK-JOB PIC X(25) VALUE "Enter employee job: ". 77 ASK-SAL PIC X(25) VALUE "Enter employee salary: ". 77 ASK-DEPTNO PIC X(25) VALUE "Enter employee dept: ". PROCEDURE DIVISION. BEGIN. *---------------------------------------------------------- * CONNECT TO ORACLE IN NON-BLOCKING MODE. * HDA MUST BE INITIALIZED TO ALL ZEROS BEFORE CALL TO OLOG. *---------------------------------------------------------- MOVE LOW-VALUES TO HDA. CALL "OLOG" USING LDA, HDA, USER-ID, USER-ID-L, PSW, PSW-L, CONN, CONN-L, CONN-MODE. IF LDA-RC NOT = 0 PERFORM ORA-ERROR GO TO EXIT-STOP. DISPLAY "Connected to ORACLE as user ", USER-ID. *---------------------------------------------------------- * OPEN THE CURSORS. *---------------------------------------------------------- CALL "OOPEN" USING CURSOR-1, LDA. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-LOGOF. CALL "OOPEN" USING CURSOR-2, LDA. IF C-RC IN CURSOR-2 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-LOGOF. *---------------------------------------------------------- * DISABLE AUTO-COMMIT. * NOTE: THE DEFAULT IS OFF, SO THIS COULD BE OMITTED. *---------------------------------------------------------- CALL "OCOF" USING LDA. IF LDA-RC NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. *---------------------------------------------------------- * RETRIEVE THE CURRENT MAXIMUM EMPLOYEE NUMBER. *---------------------------------------------------------- CALL "OPARSE" USING CURSOR-1, SQL-SELMAX, SQL-SELMAX-L, ZERO-A, TWO. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "ODEFIN" USING CURSOR-1, ONE, EMPNO, FOUR, INTEGER, ZERO-A, ZERO-B, FMT, ZERO-A, ZERO-A, ZERO-B, ZERO-B. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "OEXEC" USING CURSOR-1. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "OFETCH" USING CURSOR-1. IF C-RC IN CURSOR-1 NOT = 0 IF C-RC IN CURSOR-1 NOT = 1403 PERFORM ORA-ERROR GO TO EXIT-CLOSE ELSE MOVE 10 TO EMPNO. *---------------------------------------------------------- * DETERMINE THE MAX LENGTH OF THE EMPLOYEE NAME AND * JOB TITLE. PARSE THE SQL STATEMENT - * IT WILL NOT BE EXECUTED. * DESCRIBE THE TWO FIELDS SPECIFIED IN THE SQL STATEMENT. *---------------------------------------------------------- CALL "OPARSE" USING CURSOR-1, SQL-SELEMP, SQL-SELEMP-L, ZERO-A, TWO. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "ODESCR" USING CURSOR-1, ONE, ENAME-SIZE, ZERO-B, CBUF, ZERO-A, ZERO-A, ZERO-B, ZERO-B, ZERO-B. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "ODESCR" USING CURSOR-1, TWO, JOB-SIZE, ZERO-B, CBUF, ZERO-A, ZERO-A, ZERO-B, ZERO-B, ZERO-B. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. IF ENAME-SIZE > ENAME-L DISPLAY "ENAME too large for buffer." GO TO EXIT-CLOSE. IF JOB-SIZE > JOB-L DISPLAY "JOB too large for buffer." GO TO EXIT-CLOSE. *---------------------------------------------------------- * PARSE THE INSERT AND SELECT STATEMENTS. *---------------------------------------------------------- CALL "OPARSE" USING CURSOR-1, SQL-INS, SQL-INS-L, ZERO-A, TWO. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "OPARSE" USING CURSOR-2, SQL-SEL, SQL-SEL-L, ZERO-A, TWO. IF C-RC IN CURSOR-2 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. *---------------------------------------------------------- * BIND ALL SQL SUBSTITUTION VARIABLES. *---------------------------------------------------------- CALL "OBNDRV" USING CURSOR-1, EMPNO-N, EMPNO-N-L, EMPNO, FOUR, INTEGER, ZERO-A. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "OBNDRV" USING CURSOR-1, ENAME-N, ENAME-N-L, ENAME, ENAME-L, ASC. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "OBNDRV" USING CURSOR-1, JOB-N, JOB-N-L, JOB, JOB-L, ASC. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "OBNDRV" USING CURSOR-1, SAL-N, SAL-N-L, SAL, SAL-L, ASC. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. CALL "OBNDRV" USING CURSOR-1, DEPTNO-N, DEPTNO-N-L, DEPTNO, DEPTNO-L, ASC. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. *---------------------------------------------------------- * BIND THE DEPTNO SUBSTITUTION VAR IN THE SELECT STATEMENT. *---------------------------------------------------------- CALL "OBNDRN" USING CURSOR-2, ONE, DEPTNO, DEPTNO-L, ASC. IF C-RC IN CURSOR-2 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. *---------------------------------------------------------- * DESCRIBE THE 'DNAME' COLUMN - ONLY THE LENGTH. *---------------------------------------------------------- CALL "ODSC" USING CURSOR-2, ONE, DNAME-SIZE. IF C-RC IN CURSOR-2 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. IF DNAME-SIZE > DNAME-L DISPLAY "DNAME is to large for buffer." GO TO EXIT-CLOSE. *---------------------------------------------------------- * DEFINE THE BUFFER TO RECEIVE 'DNAME'. *---------------------------------------------------------- CALL "ODEFIN" USING CURSOR-2, ONE, DNAME, DNAME-L, ASC. IF C-RC IN CURSOR-2 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. *---------------------------------------------------------- * ASK THE USER FOR EMPLOYEE NAME, JOB, SAL, AND DEPTNO. *---------------------------------------------------------- NEXT-EMP. DISPLAY ASK-EMP WITH NO ADVANCING. ACCEPT ENAME. IF ENAME = " " GO TO EXIT-CLOSE. DISPLAY ASK-JOB WITH NO ADVANCING. ACCEPT JOB. DISPLAY ASK-SAL WITH NO ADVANCING. ACCEPT SAL. ASK-DPT. DISPLAY ASK-DEPTNO WITH NO ADVANCING. ACCEPT DEPTNO. *---------------------------------------------------------- * CHECK FOR A VALID DEPARTMENT NUMBER BY EXECUTING. * THE SELECT STATEMENT. *---------------------------------------------------------- CALL "OEXEC" USING CURSOR-2. IF C-RC IN CURSOR-2 NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. *---------------------------------------------------------- * FETCH THE ROWS - DEPTNO IS A PRIMARY KEY SO A MAX. * OF 1 ROW WILL BE FETCHED. * IF THE CURSOR RETURN CODE IS 1403 THEN * NO SUCH DEPARTMENT EXISTS. *---------------------------------------------------------- MOVE SPACES TO DNAME. CALL "OFETCH" USING CURSOR-2. IF C-RC IN CURSOR-2 = 0 THEN GO TO ADD-ROW. IF C-RC IN CURSOR-2 = 1403 DISPLAY "No such department." GO TO ASK-DPT. *---------------------------------------------------------- * INCREMENT EMPNO BY 10. * EXECUTE THE INSERT STATEMENT. *---------------------------------------------------------- ADD-ROW. ADD 10 TO EMPNO. IF EMPNO > 9999 MOVE EMPNO TO EMPNO-D DISPLAY "Employee number " EMPNO-D " too large." GO TO EXIT-CLOSE. CALL "OEXEC" USING CURSOR-1. IF C-RC IN CURSOR-1 = 0 THEN GO TO PRINT-RESULT. *---------------------------------------------------------- * IF THE RETURN CODE IS 1 (DUPLICATE VALUE IN INDEX), * THEN GENERATE THE NEXT POSSIBLE EMPLOYEE NUMBER. *---------------------------------------------------------- IF C-RC IN CURSOR-1 = 1 ADD 10 TO EMPNO GO TO ADD-ROW ELSE PERFORM ORA-ERROR GO TO EXIT-CLOSE. PRINT-RESULT. MOVE EMPNO TO EMPNO-D. DISPLAY ENAME " added to the " DNAME " department as employee number " EMPNO-D. *---------------------------------------------------------- * THE ROW HAS BEEN ADDED - COMMIT THIS TRANSACTION. *---------------------------------------------------------- CALL "OCOM" USING LDA. IF LDA-RC NOT = 0 PERFORM ORA-ERROR GO TO EXIT-CLOSE. GO TO NEXT-EMP. *---------------------------------------------------------- * CLOSE CURSORS AND LOG OFF. *---------------------------------------------------------- EXIT-CLOSE. CALL "OCLOSE" USING CURSOR-1. IF C-RC IN CURSOR-1 NOT = 0 PERFORM ORA-ERROR. CALL "OCLOSE" USING CURSOR-2. IF C-RC IN CURSOR-2 NOT = 0 PERFORM ORA-ERROR. EXIT-LOGOF. CALL "OLOGOF" USING LDA. IF LDA-RC NOT = 0 PERFORM ORA-ERROR. EXIT-STOP. DISPLAY "End of the OCIDEMO1 program." STOP RUN. *---------------------------------------------------------- * DISPLAY ORACLE ERROR NOTICE. *---------------------------------------------------------- ORA-ERROR. IF LDA-RC NOT = 0 DISPLAY "OLOGON error" MOVE LDA-RC TO ERR-RC MOVE "0" TO ERR-FNC ELSE IF C-RC IN CURSOR-1 NOT = 0 MOVE C-RC IN CURSOR-1 TO ERR-RC MOVE C-FNC IN CURSOR-1 TO ERR-FNC ELSE MOVE C-RC IN CURSOR-2 TO ERR-RC MOVE C-FNC IN CURSOR-2 TO ERR-FNC. DISPLAY "ORACLE error" WITH NO ADVANCING. IF ERR-FNC NOT = 0 MOVE ERR-FNC TO ERR-FNC-D DISPLAY " processing OCI function" ERR-FNC-D "." ELSE DISPLAY ".". MOVE " " TO MSGBUF. CALL "OERHMS" USING LDA, ERR-RC, MSGBUF, MSGBUF-L. DISPLAY MSGBUF.