106 lines
6.0 KiB
HTML
106 lines
6.0 KiB
HTML
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<meta name="DC.Title" content="SQLFreeEnv - Free environment handle" />
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<title>SQLFreeEnv</title>
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<body id="rzadpfnfenv"><a name="rzadpfnfenv"><!-- --></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">SQLFreeEnv - Free environment 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">SQLFreeEnv()</samp> invalidates
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and frees the environment handle. All DB2<sup>®</sup> UDB CLI resources associated with the
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environment handle are freed.</p>
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<p><samp class="codeph">SQLFreeConnect()</samp> must
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be called before calling this function.</p>
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<p>This function is the last DB2 UDB
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CLI step an application needs before terminating.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Syntax</h4><pre>SQLRETURN SQLFreeEnv (SQLHENV henv);</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. SQLFreeEnv arguments</caption><thead align="left"><tr><th align="left" valign="top" width="20%" id="d0e66">Data type</th>
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<th align="left" valign="top" width="20%" id="d0e68">Argument</th>
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<th align="left" valign="top" width="20%" id="d0e70">Use</th>
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<th align="left" valign="top" width="40%" id="d0e72">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="d0e66 ">SQLHENV</td>
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<td align="left" valign="top" width="20%" headers="d0e68 "><em>henv</em></td>
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<td align="left" valign="top" width="20%" headers="d0e70 ">Input</td>
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<td align="left" valign="top" width="40%" headers="d0e72 ">Environment 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 there is still
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a valid connection handle, SQL_ERROR is returned, and the environment handle
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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. SQLFreeEnv SQLSTATEs</caption><thead align="left"><tr><th align="left" valign="top" width="25%" id="d0e115">SQLSTATE</th>
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<th align="left" valign="top" width="25%" id="d0e117">Description</th>
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<th align="left" valign="top" width="50%" id="d0e119">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="d0e115 "><strong>58</strong>004</td>
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<td align="left" valign="top" width="25%" headers="d0e117 ">System error</td>
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<td align="left" valign="top" width="50%" headers="d0e119 ">Unrecoverable system error.</td>
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</tr>
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<tr><td align="left" valign="top" width="25%" headers="d0e115 "><strong>HY</strong>001</td>
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<td align="left" valign="top" width="25%" headers="d0e117 ">Memory allocation failure</td>
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<td align="left" valign="top" width="50%" headers="d0e119 ">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="d0e115 "><strong>HY</strong>010</td>
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<td align="left" valign="top" width="25%" headers="d0e117 ">Function sequence error</td>
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<td align="left" valign="top" width="50%" headers="d0e119 ">There is an <em>hdbc</em> which is in allocated
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or connected state. Call SQLDisconnect and SQLFreeConnect for the <em>hdbc</em> before
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calling SQLFreeEnv.</td>
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</tr>
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<tr><td align="left" valign="top" width="25%" headers="d0e115 "><strong>HY</strong>013 <strong>*</strong></td>
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<td align="left" valign="top" width="25%" headers="d0e117 ">Memory management problem</td>
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<td align="left" valign="top" width="50%" headers="d0e119 ">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="rzadpfnfenv__xmfenv"><a name="rzadpfnfenv__xmfenv"><!-- --></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><a href="rzadpfnfconn.htm#rzadpfnfconn">SQLFreeConnect - Free connection handle</a> </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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