📄 otl4_ex557.htm
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"><html><head> <title>OTL 4.0, Example 557 (#define OTL_UNCAUGHT_EXCEPTION_ON, ODBC/ Sybase SQL Server)</title> <meta name="Author" content="Sergei Kuchin"> <meta name="GENERATOR" content="Mozilla/3.03Gold (Win95; I) [Netscape]"> <meta name="KeyWords" content="OTL, Oracle, ODBC, DB2, CLI, database API, C++, Template Library"></head><body><h1 align="center">OTL 4.0, Example 557 (#define OTL_EXENDED_EXCEPTION,ODBC/ Sybase 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 theotl_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 OTL_ODBC_UNIX // Compile OTL 4.0/ODBC<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/tigger@freetds_sybsql"); // 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<br></h2><pre>[FreeTDS][SQL Server]Incorrect syntax near '?'.<br><br>insert into test_tab values(? ,? <br>42000<br><br><hr width="100%"></pre><center><p><a href="otl3_examples.htm">Examples</a> <a href="otl3.htm">Contents</a><a href="home.htm">Go Home</a> </p></center><p>Copyright © 1996, 2008, Sergei Kuchin, email: <a href="mailto:skuchin@aceweb.com">skuchin@aceweb.com</a>,<a href="mailto:skuchin@gmail.com">skuchin@gmail.com</a>.<script language="JavaScript"><!-- hide from oldgmailsers var modDate = new Date(document.lastModified) document.write("<i> Last Updated:</i> " + (modDate.getMonth()+1) + "/" + modDate.getDate() + "/" + "0"+(modDate.getYear())%100+"."); //--> </script></p><p><i>Permission to use, copy, modify and redistribute this documentforany purpose is hereby granted without fee, provided that the abovecopyrightnotice appear in all copies. </i></p></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -