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<title>OTL 4.0, Example 242 (64-bit integers (bigint), MS SQl Server,
OTL/DOBC)</title>
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<h1 align="center">OTL 4.0, Example 242 (64-bit integers (bigint), MS
SQL Server, OTL/ODBC)</h1>
<h1>Example 242 (64-bit integers (bigint), MS SQL Server, OTL/ODBC)</h1>
<p>This example demonstrates the use of 64-bit integer bind variables
with MS SQL Server, OTL/ODBC.</p>
<h2>Source Code</h2>
<pre>#include <iostream><br>#include <stdio.h><br>using namespace std;<br><br>#define <a
href="otl3_compile.htm#OTL_ODBC_MSSQL_2008">OTL_ODBC_MSSQL_2008</a> // Compile OTL 4/ODBC, MS SQL 2008<br>//#define OTL_ODBC // Compile OTL 4/ODBC. Uncomment this when used with MS SQL 7.0/ 2000<br><pre>#define <a
href="otl3_compile.htm#OTL_BIGINT">OTL_BIGINT</a> __int64 // Enabling VC++ 64-bit integers<br>#include <otlv4.h> // include the OTL 4.0 header file<br><br><a
href="otl3_connect_class.htm">otl_connect</a> db; // connect object<br><br>void insert()<br>// insert rows into table<br>{ <br> <a
href="otl3_stream_class.htm">otl_stream</a> o(50, // buffer size<br> "insert into test_tab values(:f1<<a
href="otl3_bind_variables.htm#bigint">bigint</a>>,:f2<char[31]>)", <br> // SQL statement<br> db // connect object<br> );<br> char tmp[32];<br><br> for(OTL_BIGINT i=1;i<=100;++i){<br> sprintf(tmp,"Name%d",(int)i);<br> o<<i<<tmp;<br> }<br>}<br><br>void select()<br>{ <br> <a
href="otl3_stream_class.htm">otl_stream</a> i(50, // buffer size<br> "select * from test_tab where f1>=:f<bigint> and f1<=:ff<bigint>*2",<br> // SELECT statement<br> db // connect object<br> ); <br> // create select stream<br> <br> OTL_BIGINT f1;<br> char f2[31];<br> char f1str[40];<br><br> i<<(OTL_BIGINT)8<<(OTL_BIGINT)8; // assigning :f = 8; :ff = 8<br> // SELECT automatically executes when all input variables are<br> // assigned. First portion of output rows is fetched to the buffer<br><br> while(!i.eof()){ // while not end-of-data<br> i>>f1>>f2;<br> cout<<"f1=";<br> _i64toa(f1,f1str,10);<br> cout<<f1str<<", f2="<<f2<<endl;<br> }<br><br>}<br><br>int main()<br>{<br> <a
href="otl3_connect_class.htm">otl_connect::otl_initialize</a>(); // initialize ODBC environment<br> try{<br><br> db.rlogon("scott/tiger@mssql2008"); // connect to ODBC<br><br> <a
href="otl3_const_sql.htm">otl_cursor::direct_exec<br></a> (<br> db,<br> "drop table test_tab",<br> otl_exception::disabled // disable OTL exceptions<br> ); // drop table<br><br> <a
href="otl3_const_sql.htm">otl_cursor::direct_exec<br></a> (<br> db,<br> "create table test_tab(f1 bigint, f2 varchar(30))"<br> ); // create table<br><br> insert(); // insert records into table<br> select(); // select records from table<br><br> }<br><br> catch(<a
href="otl3_exception_class.htm">otl_exception</a>& p){ // intercept OTL exceptions<br> cerr<<p.msg<<endl; // print out error message<br> cerr<<p.stm_text<<endl; // print out SQL that caused the error<br> cerr<<p.sqlstate<<endl; // print out SQLSTATE message<br> cerr<<p.var_info<<endl; // print out the variable that caused the error<br> }<br><br> db.logoff(); // disconnect from Oracle<br><br> return 0;<br><br>}<br></pre>
<h2>Output</h2>
<pre>f1=8, f2=Name8<br>f1=9, f2=Name9<br>f1=10, f2=Name10<br>f1=11, f2=Name11<br>f1=12, f2=Name12<br>f1=13, f2=Name13<br>f1=14, f2=Name14<br>f1=15, f2=Name15<br>f1=16, f2=Name16<br><hr
width="100%"></pre>
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<p>Copyright © 1996, 2008, Sergei Kuchin, email: <a
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href="mailto:skuchin@gmail.com">skuchin@yahogmail</a>
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