Yurttas/PL/DBL/oracle/F/03/Company-A/Employee-ins.pc
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1/*
2REM
3REM
4REM Employee-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
21struct {
22 char fname[12];
23 char minit;
24 char lname[16];
25 char ssn[10];
26 char bdate[10];
27 char address[24];
28 char sex;
29 float salary;
30 char superssn[10];
31 int dno;
32} employee;
33
34void connect_to_oracle();
35void sql_error();
36
37void main(int argc, char* argv[]) {
38 FILE *in_file;
39
40 char in_filename[32];
41
42 if(argc<2) {
43 printf("Enter the input filename : ");
44 scanf("%s", in_filename);
45 }
46 else strcpy(in_filename, argv[1]);
47
48 in_file = fopen(in_filename, "r");
49
50 if(in_file==NULL)
51 printf("File named as %s is not opened for input.\n", in_filename);
52 else {
53 connect_to_oracle();
54
55 EXEC SQL
56 WHENEVER SQLERROR DO sql_error("Error in INSERT_table: Employee");
57
58 while(fscanf(in_file,"%s %c %s %s %s %22c %c %f %s %d\n",employee.fname,
59 &employee.minit,
60 employee.lname,
61 employee.ssn,
62 employee.bdate,
63 employee.address,
64 &employee.sex,
65 &employee.salary,
66 employee.superssn,
67 &employee.dno)!=EOF){
68 EXEC SQL
69 INSERT INTO Employee
70 VALUES(:employee.fname,
71 :employee.minit,
72 :employee.lname,
73 :employee.ssn,
74 :employee.bdate,
75 :employee.address,
76 :employee.sex,
77 :employee.salary,
78 :employee.superssn,
79 :employee.dno);
80 }
81 }
82
83 EXEC SQL COMMIT WORK RELEASE;
84
85 exit(0);
86}
87
88
89void sql_error(char* msg) {
90 char err_msg[128];
91 int buflen, msglen;
92
93 EXEC SQL WHENEVER SQLERROR CONTINUE;
94
95 printf("%s \n", msg);
96 buflen = sizeof(err_msg);
97 sqlglm(err_msg, &buflen, &msglen);
98 printf("%.*s \n", msglen, err_msg);
99 exit(1);
100}
101
102
103void connect_to_oracle() {
104 /* get your username/passwd from "user_pwd.txt" file */
105
106 FILE *in_file;
107 in_file = fopen("user_pwd.txt", "r");
108 fscanf(in_file, "%s", u_name);
109 fscanf(in_file, "%s", pwd);
110
111 strncpy((char *) username.arr, u_name, UNAME_LEN);
112 username.len = strlen((char *) username.arr);
113
114 strncpy((char *) password.arr, pwd, PWD_LEN);
115 password.len = strlen((char *) password.arr);
116
117 EXEC SQL WHENEVER SQLERROR DO sql_error ("ORACLE error-- ");
118 EXEC SQL CONNECT :username IDENTIFIED BY :password;
119
120 printf("connected to oracle - \n");
121}