108 lines
6.2 KiB
HTML
108 lines
6.2 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="DC.Title" content="SQLFreeConnect - Free connection handle" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1999, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1999, 2006" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>SQLFreeConnect</title>
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</head>
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<body id="rzadpfnfconn"><a name="rzadpfnfconn"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">SQLFreeConnect - Free connection handle</h1>
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<div><div class="section"></div>
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<div class="section"><h4 class="sectiontitle">Purpose</h4> <p><samp class="codeph">SQLFreeConnect()</samp> invalidates
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and frees the connection handle. All DB2<sup>®</sup> UDB CLI resources associated with the
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connection handle are freed.</p>
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<p><samp class="codeph">SQLDisconnect()</samp> must be
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called before calling this function.</p>
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<p>Either <samp class="codeph">SQLFreeEnv()</samp> is
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called next to continue terminating the application, or <samp class="codeph">SQLAllocHandle()</samp>,
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to allocate a new connection handle.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Syntax</h4><pre>SQLRETURN SQLFreeConnect (SQLHDBC hdbc);</pre>
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</div>
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<div class="section"><h4 class="sectiontitle">Function arguments</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="hsides" border="1" rules="all"><caption>Table 1. SQLFreeConnect arguments</caption><thead align="left"><tr><th align="left" valign="bottom" width="20%" id="d0e69">Data type</th>
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<th align="left" valign="bottom" width="20%" id="d0e71">Argument</th>
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<th align="left" valign="bottom" width="20%" id="d0e73">Use</th>
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<th align="left" valign="bottom" width="40%" id="d0e75">Description</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="20%" headers="d0e69 ">SQLHDBC</td>
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<td align="left" valign="top" width="20%" headers="d0e71 "><em>hdbc</em></td>
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<td align="left" valign="top" width="20%" headers="d0e73 ">Input</td>
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<td align="left" valign="top" width="40%" headers="d0e75 ">Connection handle</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">Usage</h4><p>If this function is called when a connection
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still exists, SQL_ERROR is returned, and the connection handle remains valid.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Return codes</h4><ul><li>SQL_SUCCESS</li>
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<li>SQL_ERROR</li>
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<li>SQL_INVALID_HANDLE</li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">Diagnostics</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="hsides" border="1" rules="rows"><caption>Table 2. SQLFreeConnect SQLSTATEs</caption><thead align="left"><tr><th align="left" valign="top" width="25%" id="d0e118">SQLSTATE</th>
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<th align="left" valign="top" width="25%" id="d0e120">Description</th>
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<th align="left" valign="top" width="50%" id="d0e122">Explanation</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="25%" headers="d0e118 "><strong>58</strong>004</td>
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<td align="left" valign="top" width="25%" headers="d0e120 ">System error</td>
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<td align="left" valign="top" width="50%" headers="d0e122 ">Unrecoverable system error.</td>
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</tr>
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<tr><td align="left" valign="top" width="25%" headers="d0e118 "><strong>HY</strong>001</td>
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<td align="left" valign="top" width="25%" headers="d0e120 ">Memory allocation failure</td>
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<td align="left" valign="top" width="50%" headers="d0e122 ">The driver is unable to allocate memory required
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to support the processing or completion of the function.</td>
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</tr>
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<tr><td align="left" valign="top" width="25%" headers="d0e118 "><strong>HY</strong>010</td>
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<td align="left" valign="top" width="25%" headers="d0e120 ">Function sequence error</td>
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<td align="left" valign="top" width="50%" headers="d0e122 ">The function is called before <samp class="codeph">SQLDisconnect()</samp> for
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the <em>hdbc</em>.</td>
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</tr>
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<tr><td align="left" valign="top" width="25%" headers="d0e118 "><strong>HY</strong>013 <strong>*</strong></td>
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<td align="left" valign="top" width="25%" headers="d0e120 ">Memory management problem</td>
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<td align="left" valign="top" width="50%" headers="d0e122 ">The driver is unable to access memory required
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to support the processing or completion of the function.</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">Example</h4></div>
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<div class="example" id="rzadpfnfconn__xmfconn"><a name="rzadpfnfconn__xmfconn"><!-- --></a><p>Refer to the example in <a href="rzadpfnaenv.htm"><samp class="codeph">SQLAllocEnv()</samp></a>.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">References</h4><ul><li><a href="rzadpfndconn.htm#rzadpfndconn">SQLDisconnect - Disconnect from a data source</a></li>
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<li><a href="rzadpfnfenv.htm#rzadpfnfenv">SQLFreeEnv - Free environment handle</a></li>
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</ul>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzadphdapi.htm" title="This topic provides a description of each CLI function.">DB2 UDB CLI functions</a></div>
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</div>
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</div>
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</body>
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</html>
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