#include <iostream>
using namespace std;
#include <stdio.h>
//#define OTL_ORA8 // Compile OTL 4.0/OCI8
//#define OTL_ORA9I // Compile OTL 4.0/OCI9i
#define OTL_ORA8I // Compile OTL 4.0/OCI8i
#define OTL_ORA_MAP_STRINGS_TO_CHARZ
#include <otlv4.h> // include the OTL 4.0 header file
otl_connect db; // connect object
void insert()
// insert rows into table
{
otl_stream o(5, // buffer size
"insert into test_tab values(:f1<int>,:f2<char[11]>)",
// SQL statement
db // connect object
);
o<<1<<"Name";
o<<2<<"Name ";
o<<3<<"Name ";
}
void select()
{
otl_stream i(5, // buffer size
"select * from test_tab where f2=:f2<char[11]>",
// SELECT statement
db // connect object
);
// create select stream
int f1;
char f2[31];
i<<"Name"; // assigning :f2 = 'Name'
// SELECT automatically executes when all input variables are
// assigned. First portion of output rows is fetched to the buffer
while(!i.eof()){ // while not end-of-data
i>>f1>>f2;
cout<<"f1="<<f1<<", f2='"<<f2<<"'"<<endl;
}
}
int main()
{
otl_connect::otl_initialize(); // initialize OCI environment
try{
db.rlogon("scott/tiger"); // connect to Oracle
otl_cursor::direct_exec
(
db,
"drop table test_tab",
otl_exception::disabled // disable OTL exceptions
); // drop table
otl_cursor::direct_exec
(
db,
"create table test_tab(f1 number, f2 varchar2(10))"
); // create table
cout<<"========= table with a VARCHAR2 column ========"<<endl;
insert(); // insert records into table
select(); // select records from table
otl_cursor::direct_exec
(
db,
"drop table test_tab",
otl_exception::disabled // disable OTL exceptions
); // drop table
otl_cursor::direct_exec
(
db,
"create table test_tab(f1 number, f2 char(10))"
); // create table
cout<<"========= table with a CHAR column ========"<<endl;
insert(); // insert records into table
select(); // select records from table
}
catch(otl_exception& p){ // intercept OTL exceptions
cerr<<p.msg<<endl; // print out error message
cerr<<p.stm_text<<endl; // print out SQL that caused the error
cerr<<p.var_info<<endl; // print out the variable that caused the error
}
db.logoff(); // disconnect from Oracle
return 0;
}
========= table with a VARCHAR2 column ========
f1=1, f2='Name'
========= table with a CHAR column ========
f1=1, f2='Name '
f1=2, f2='Name '
f1=3, f2='Name '
Copyright © 1996, 2007, Sergei Kuchin, email: skuchin@ispwest.com, skuchin@gmail.com .
Permission to use, copy, modify and redistribute this document for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies.