#include <iostream>
using namespace std;
#include <stdio.h>
#define OTL_ODBC_MSSQL_2008 // Compile OTL 4/ODBC, MS SQL 2008
//#define OTL_ODBC // Compile OTL 4/ODBC. Uncomment this when used with MS SQL 7.0/ 2000
#include <otlv4.h> // include the OTL 4.0 header file
otl_connect db; // connect object
void insert(void)
// insert rows into table
{
otl_stream o(3, // stream buffer size in logical rows.
"insert into test_tab "
"values(:f1<int>,:f2<timestamp>)",
// INSERT statement
db // connect object
);
otl_datetime tm;
for(int i=1;i<=10;++i){
tm.year=1998;
tm.month=10;
tm.day=19;
tm.hour=23;
tm.minute=12;
tm.second=12;
tm.frac_precision=3; // milliseconds
tm.fraction=123;
o<<i<<tm;
}
}
void select(void)
{
otl_stream i(5, // stream buffer size in logical rows
"select * from test_tab",
// SELECT statement
db // connect object
);
int f1;
otl_datetime f2;
// Second's precision needs to be specified BEFORE the stucture can be
// used either for writnig or reading timestamp values, which have second's
// fractional part.
f2.frac_precision=3; // milliseconds
while(!i.eof()){ // while not end-of-data
i>>f1>>f2;
cout<<"f1="<<f1;
cout<<", f2="<<f2.month<<"/"<<f2.day<<"/"
<<f2.year<<" "<<f2.hour<<":"<<f2.minute<<":"
<<f2.second<<"."
<<f2.fraction;
cout<<endl;
}
}
int main()
{
otl_connect::otl_initialize(); // initialize ODBC environment
try{
db.rlogon("scott/tiger@mssql2008"); // connect to MS SQL Server
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 int, f2 datetime)"
); // create table
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.sqlstate<<endl; // print out SQLSTATE message
cerr<<p.var_info<<endl; // print out the variable that caused the error
}
db.logoff(); // disconnect from MS SQL Server
return 0;
}
f1=1, f2=10/19/1998 23:12:12.123
f1=2, f2=10/19/1998 23:12:12.123
f1=3, f2=10/19/1998 23:12:12.123
f1=4, f2=10/19/1998 23:12:12.123
f1=5, f2=10/19/1998 23:12:12.123
f1=6, f2=10/19/1998 23:12:12.123
f1=7, f2=10/19/1998 23:12:12.123
f1=8, f2=10/19/1998 23:12:12.123
f1=9, f2=10/19/1998 23:12:12.123
f1=10, f2=10/19/1998 23:12:12.123
Copyright © 1996-2023, Sergei Kuchin, email: skuchin@gmail.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. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.