Example 295 (otl_datetime container and DATE/TIME/TIMESTAMP table columns)

Source Code

#include <iostream>
using namespace std;

#include <stdio.h>

#define OTL_ODBC_TIMESTEN_WIN // Compile OTL 4.0/TimesTen ODBC for Windows
// Uncomment the following when building this example in Unix/Linux
// #define OTL_ODBC_TIMESTEN_UNIX // Compile OTL 4.0/TimesTen ODBC for Unix

// #define OTL_ODBC_UNIX // uncomment this line if UnixODBC is used
#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(10, // buffer size
     "insert into test_tab "
     "values(:f1<int>,:f2<timestamp>,:f3<timestamp>,:f4<timestamp>)", 
        // INSERT statement
     db // connect object
    );

 otl_datetime tm1,tm2,tm3;

  for(int i=1;i<=10;++i){

  tm1.year=1998;
  tm1.month=10;
  tm1.day=19;
// time conponents should be set to 0
  tm1.hour=0;
  tm1.minute=0;
  tm1.second=0;

// date conponents should be set to 0
  tm2.year=0;
  tm2.month=0;
  tm2.day=0;

  tm2.hour=23;
  tm2.minute=12;
  tm2.second=12;

  tm3.year=1998;
  tm3.month=10;
  tm3.day=19;
  tm3.hour=23;
  tm3.minute=12;
  tm3.second=12;

  o<<i<<tm1<<tm2<<tm3;

 }
 
}

void select(void)
{ 
 otl_stream i(10, // buffer size can be set to a value in [1..128] range
              "select * from test_tab",
                 // SELECT statement
              db // connect object
             ); 
 
 int f1;
 otl_datetime f2,f3,f4;

 while(!i.eof()){ // while not end-of-data
  i>>f1>>f2>>f3>>f4;
  cout<<"f1="<<f1;
  cout<<", f2="<<f2.month<<"/"<<f2.day<<"/"
      <<f2.year;
  cout<<", f3="<<f3.hour<<":"<<f3.minute<<":"
      <<f3.second;
  cout<<", f4="<<f4.month<<"/"<<f4.day<<"/"
      <<f4.year<<" "<<f4.hour<<":"<<f4.minute<<":"
      <<f4.second;
  cout<<endl;
 }
 
}

int main()
{
 otl_connect::otl_initialize(); // initialize ODBC environment
 try{

  db.rlogon("scott/tiger@TT_tt1121_32"); 

  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 date, f3 time, f4 timestamp)"
    );  // 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 ODBC

 return 0;

}

Output

f1=1, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=2, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=3, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=4, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=5, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=6, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=7, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=8, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=9, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12
f1=10, f2=10/19/1998, f3=23:12:12, f4=10/19/1998 23:12:12

Copyrigh1 © 1996-2012, 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.