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<title>OTL 4.0, Example 512 (#define OTL_UNCAUGHT_EXCEPTION_ON, ODBC
/ MS SQL Server)</title>
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<h1 align="center">OTL 4.0, Example 512 (#define OTL_EXENDED_EXCEPTION,
ODBC
/ MS SQL Server)</h1>
<p>This example demonstrates #define <a
href="otl3_compile.htm#OTL_UNCAUGHT_EXCEPTION_ON">OTL_EXTENDED_EXCEPTION.</a>
See also problem <a href="otl3_prob.htm#prob47">47</a>, and the
otl_exception's
<a href="otl3_exception_class.htm#EXTENDED">extended fields</a>.</p>
<h2>Source Code</h2>
<pre>#include <iostream><br>using namespace std;<br><br>#include <stdio.h></pre>
<pre>#define <a href="otl3_compile.htm#OTL_ODBC_MSSQL_2005">OTL_ODBC_MSSQL_2005</a> // Compile OTL 4/ODBC, MS SQL 2005<br>#define <a
href="otl3_compile.htm#OTL_FREETDS_ODBC_WORKAROUNDS">OTL_FREETDS_ODBC_WORKAROUNDS</a> // Enable the FreeTDS / ODBC workarounds for MS SQL<br>//#define OTL_ODBC // Compile OTL 4/ODBC. Uncomment this when used with MS SQL 7.0/ 2000<br>//#define OTL_ODBC_UNIX // Compile OTL 4 / ODBC. Uncomment this when used in Linux / Unix<br>#define OTL_EXTENDED_EXCEPTION // Enable extended field in otl_exception<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(10, // buffer size<br> "insert into test_tab values(:f1<int>,:f2<char[31]>", <br> // SQL statement<br> db // connect object<br> );<br><br> o<<100<<"Row 100";<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@freetds_mssql"); // connect to MS SQL Server<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 int, f2 varchar(30))"<br> ); // create table<br><br> insert(); // insert records into 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 info.<br> cerr<<p.var_info<<endl; // print out the variable that caused the error<br> if(p.arr_len>0){ // checking if the extended fields were populated<br> for(int j=0;j<p.arr_len;++j){<br> cout<<"MSG["<<j<<"]="<<p.msg_arr[j]<<endl; // message array<br> cout<<"SQLSTATE["<<j<<"]="<<p.sqlstate_arr[j]<<endl; // sqlstate array<br> cout<<"CODE["<<j<<"]="<<p.code_arr[j]<<endl; // code array<br> }<br> }<br> }<br><br> db.logoff(); // disconnect from MS SQL Server<br><br> return 0;<br><br>}<br></pre>
<h2>Output</h2>
<pre>insert into test_tab values(? ,?<br>42000<br><br>MSG[0]=[FreeTDS][SQL Server]Statement(s) could not be prepared.<br>SQLSTATE[0]=42000<br>CODE[0]=8180<br>MSG[1]=[FreeTDS][SQL Server]Incorrect syntax near '@P2'.<br>SQLSTATE[1]=42000<br>CODE[1]=102<br><hr
width="100%"></pre>
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<p>Copyright © 1996, 2008, Sergei Kuchin, email: <a
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<a href="mailto:skuchin@gmail.com">skuchin@gmail.com</a>.
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