Yurttas/PL/DBL/oracle/F/03/Bank/Customer-ins.pc

  1/*
  2REM
  3REM
  4REM customer-ins.pc
  5REM
  6REM
  7*/
  8
  9#include <stdio.h>
 10#include <sqlca.h>
 11
 12#define UNAME_LEN 32
 13#define PWD_LEN   16
 14
 15VARCHAR username[UNAME_LEN]; /* VARCHAR is an Oracle-supplied struct */
 16VARCHAR password[PWD_LEN];   /* varchar can be in lower case also. */
 17
 18char u_name[UNAME_LEN];
 19char pwd[PWD_LEN];
 20
 21void connect_to_oracle();
 22void sql_error();
 23
 24void main(int argc, char* argv[]) {
 25  connect_to_oracle();
 26
 27  EXEC SQL
 28    WHENEVER SQLERROR DO sql_error("Error in INSERT_table: Customer");
 29
 30  EXEC SQL
 31    INSERT INTO Customer
 32      VALUES ('Jones', 'Main', 'Harrison');
 33
 34  EXEC SQL
 35    INSERT INTO Customer
 36      VALUES ('Smith', 'North', 'Rye');
 37
 38  EXEC SQL
 39    INSERT INTO Customer
 40      VALUES ('Hayes', 'Main', 'Harrison');
 41
 42  EXEC SQL
 43    INSERT INTO Customer
 44      VALUES ('Curry', 'North', 'Rye');
 45
 46  EXEC SQL
 47    INSERT INTO Customer
 48      VALUES ('Lindsay', 'Park', 'Pittsfield');
 49
 50  EXEC SQL
 51    INSERT INTO Customer
 52      VALUES ('Turner', 'Putnam', 'Stamford');
 53
 54  EXEC SQL
 55    INSERT INTO Customer
 56      VALUES ('Williams', 'Nassau', 'Princeton');
 57
 58  EXEC SQL
 59    INSERT INTO Customer
 60      VALUES ('Adams', 'Spring', 'Pittsfield');
 61
 62  EXEC SQL
 63    INSERT INTO Customer
 64      VALUES ('Johnson', 'Alma', 'Palo Alto');
 65
 66  EXEC SQL
 67    INSERT INTO Customer
 68      VALUES ('Glenn', 'Sand Hill', 'Woodside');
 69
 70  EXEC SQL
 71    INSERT INTO Customer
 72      VALUES ('Brooks', 'Senator', 'Brooklyn');
 73
 74  EXEC SQL
 75    INSERT INTO Customer
 76      VALUES ('Green', 'Walnut', 'Stamford');
 77
 78  EXEC SQL COMMIT WORK RELEASE;
 79
 80  exit(0);
 81}
 82
 83
 84void sql_error(char* msg) {
 85  char err_msg[128];
 86  int buflen, msglen;
 87
 88  EXEC SQL WHENEVER SQLERROR CONTINUE;
 89
 90  printf("%s \n", msg);
 91  buflen = sizeof(err_msg);
 92  sqlglm(err_msg, &buflen, &msglen);
 93  printf("%.*s \n", msglen, err_msg);
 94  exit(1);
 95}
 96
 97
 98void connect_to_oracle() {
 99  /* get your username/passwd from "user_pwd.txt" file */
100
101  FILE *in_file;
102  in_file = fopen("user_pwd.txt", "r");
103  fscanf(in_file, "%s", u_name);
104  fscanf(in_file, "%s", pwd);
105
106  strncpy((char *) username.arr, u_name, UNAME_LEN);
107  username.len = strlen((char *) username.arr);
108
109  strncpy((char *) password.arr, pwd, PWD_LEN);
110  password.len = strlen((char *) password.arr);
111
112  EXEC SQL WHENEVER SQLERROR DO sql_error ("ORACLE error-- ");
113  EXEC SQL CONNECT :username IDENTIFIED BY :password;
114
115  printf("connected to oracle - \n");
116}