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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"><html><head> <title>OTL 4.0, Example 396 (Sybase SQL Server stored procedure)</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 396 (Sybase SQL Server storedprocedure call)</h1><p>This example demonstrates a stored procedure call.</p><h2>Source Code</h2><pre>#include <iostream><br>using namespace std;<br><br>#include <stdio.h><br>#define OTL_ODBC_UNIX // Compile OTL 4.0/ODBC<br>#include <otlv4.h><br><br><a href="otl3_connect_class.htm">otl_connect</a> db; // connect object<br><br>void stored_proc(void)<br>// invoking stored procedure<br>{ <br> <a href="otl3_stream_class.htm">otl_stream</a> o(1, // buffer size should be equal to 1 in case of stored procedure call<br> "{call my_proc("<br> " :A<int,inout>, "<br> " :B<char[31],out>, "<br> " :C<char[31],in> "<br> ")}",<br> // stored procedure call<br> db // connect object<br> );<br><br> o.<a href="otl3_stream_class.htm#set_commit">set_commit</a>(0); // set stream auto-commit off since<br> // the stream does not generate transaction<br><br> o<<1<<"Test String1"; // assigning :1 = 1, :3 = "Test String1"<br><br> int a;<br> char b[31];<br><br> o>>a>>b;<br> cout<<"A="<<a<<", B="<<b<<endl;<br><br>}<br><br>int main()<br>{<br> otl_connect::otl_initialize(); // initialize ODBC environment<br> try{<br> db.rlogon("scott/tigger@sybsql"); // connect to ODBC<br> otl_cursor::direct_exec(db,"drop procedure my_proc",0);<br> otl_cursor::direct_exec<br> (db,<br> "CREATE PROCEDURE my_proc "<br> " @A int out, "<br> " @B varchar(60) out, "<br> " @C varchar(60) "<br> "AS "<br> "BEGIN "<br> " SELECT @A=@A+1"<br> " SELECT @B=@C "<br> "END"<br> ); // create stored procedure<br><br> stored_proc(); // invoking stored procedure<br> }<br> catch(otl_exception& p){ // intercept OTL exceptions<br> cerr<<p.msg<<endl; // print out error message<br> cerr<<p.code<<endl; // print out error code<br> cerr<<p.var_info<<endl; // print out the variable that caused the error<br> cerr<<p.sqlstate<<endl; // print out SQLSTATE message<br> cerr<<p.stm_text<<endl; // print out SQL that caused the error<br> }<br> db.logoff(); // disconnect from the data source<br> return 0;<br>} <br><br><br></pre><h2>Output</h2><pre> A=2, B=Test String1<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</a><script language="JavaScript"><!-- hide from old browsers 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><script type="text/javascript">var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));</script><script type="text/javascript">var pageTracker = _gat._getTracker("UA-5456201-1");pageTracker._trackPageview();</script></body></html>⌨️ 快捷键说明
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