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<title>Predefined Constants</title>
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</div><hr /><div id="maxdb.constants" class="appendix">
<h1>Predefined Constants</h1>
<p class="simpara">
The constants below are defined by this extension, and
will only be available when the extension has either
been compiled into PHP or dynamically loaded at runtime.
</p>
<p class="para">
The following constants to use with <span class="function"><a href="function.maxdb-options.html" class="function">maxdb_options()</a></span> are defined.
For further description of these constants see
<a href="http://maxdb.sap.com/documentation/" class="link external">» http://maxdb.sap.com/documentation/</a>.
<table class="doctable table">
<caption><strong>MaxDB PHP client constants</strong></caption>
<thead>
<tr>
<th>Constant</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>MAXDB_COMPNAME</td>
<td>The component name used to initialise the SQLDBC runtime environment.</td>
</tr>
<tr>
<td>MAXDB_APPLICATION</td>
<td>The application to be connected to the database.</td>
</tr>
<tr>
<td>MAXDB_APPVERSION</td>
<td>The version of the application.</td>
</tr>
<tr>
<td>MAXDB_SQLMODE</td>
<td>The SQL mode.</td>
</tr>
<tr>
<td>MAXDB_UNICODE</td>
<td>TRUE, if the connection is an unicode (UCS2) client or FALSE, if not.</td>
</tr>
<tr>
<td>MAXDB_TIMEOUT</td>
<td>
The maximum allowed time of inactivity after which the connection to the
database is closed by the system.
</td>
</tr>
<tr>
<td>MAXDB_ISOLATIONLEVEL</td>
<td>
Specifies whether and how shared locks and exclusive locks are implicitly
requested or released.
</td>
</tr>
<tr>
<td>MAXDB_PACKETCOUNT</td>
<td>
The number of different request packets used for the connection.
</td>
</tr>
<tr>
<td>MAXDB_STATEMENTCACHESIZE</td>
<td>
The number of prepared statements to be cached for the connection for re-use.
</td>
</tr>
<tr>
<td>MAXDB_CURSORPREFIX</td>
<td>
The prefix to use for result tables that are automatically named.
</td>
</tr>
</tbody>
</table>
</p>
<p class="para">
The function <span class="function"><a href="function.maxdb-fetch-array.html" class="function">maxdb_fetch_array()</a></span> uses a constant for
the different types of result arrays. The following constants are
defined:
<table class="doctable table">
<caption><strong>MaxDB fetch constants</strong></caption>
<thead>
<tr>
<th>Constant</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>MAXDB_ASSOC</td>
<td>
Columns are returned into the array having the fieldname as the array
index.
</td>
</tr>
<tr>
<td>MAXDB_ASSOC_UPPER</td>
<td>
Columns are returned into the array having the upper case fieldname as the array
index.
</td>
</tr>
<tr>
<td>MAXDB_ASSOC_LOWER</td>
<td>
Columns are returned into the array having the lower case fieldname as the array
index.
</td>
</tr>
<tr>
<td>MAXDB_BOTH</td>
<td>
Columns are returned into the array having both a numerical index
and the fieldname as the array index.
</td>
</tr>
<tr>
<td>MAXDB_NUM</td>
<td>
Columns are returned into the array having a numerical index to the
fields. This index starts with 0, the first field in the result.
</td>
</tr>
</tbody>
</table>
</p>
</div>
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