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<title>Xapian: API Documentation: xapian-core: Xapian::Brass Namespace Reference</title>
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<div class="navpath"><a class="el" href="namespaceXapian.html">Xapian</a>::<a class="el" href="namespaceXapian_1_1Brass.html">Brass</a>
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<h1>Xapian::Brass Namespace Reference</h1><a class="el" href="classXapian_1_1Database.html" title="This class is used to access a database, or a group of databases.">Database</a> factory functions for the brass backend.
<a href="#_details">More...</a>
<p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classXapian_1_1Database.html">Database</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceXapian_1_1Brass.html#24145fd4d1402fbd40fb08bdca31298f">open</a> (const std::string &dir)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a <a class="el" href="classXapian_1_1Database.html" title="This class is used to access a database, or a group of databases.">Database</a> object for read-only access to a <a class="el" href="namespaceXapian_1_1Brass.html" title="Database factory functions for the brass backend.">Brass</a> database. <a href="#24145fd4d1402fbd40fb08bdca31298f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classXapian_1_1WritableDatabase.html">WritableDatabase</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceXapian_1_1Brass.html#3fc4e4c1ef15a005a0a77eabf55fc071">open</a> (const std::string &dir, int action, int block_size=8192)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a <a class="el" href="classXapian_1_1Database.html" title="This class is used to access a database, or a group of databases.">Database</a> object for update access to a <a class="el" href="namespaceXapian_1_1Brass.html" title="Database factory functions for the brass backend.">Brass</a> database. <a href="#3fc4e4c1ef15a005a0a77eabf55fc071"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<a class="el" href="classXapian_1_1Database.html" title="This class is used to access a database, or a group of databases.">Database</a> factory functions for the brass backend.
<p>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="3fc4e4c1ef15a005a0a77eabf55fc071"></a><!-- doxytag: member="Xapian::Brass::open" ref="3fc4e4c1ef15a005a0a77eabf55fc071" args="(const std::string &dir, int action, int block_size=8192)" -->
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<table class="memname">
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<td class="memname"><a class="el" href="classXapian_1_1WritableDatabase.html">WritableDatabase</a> Xapian::Brass::open </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"> <em>dir</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>action</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>block_size</em> = <code>8192</code></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
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<div class="memdoc">
<p>
Construct a <a class="el" href="classXapian_1_1Database.html" title="This class is used to access a database, or a group of databases.">Database</a> object for update access to a <a class="el" href="namespaceXapian_1_1Brass.html" title="Database factory functions for the brass backend.">Brass</a> database.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dir</em> </td><td>pathname of the directory containing the database. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>action</em> </td><td>determines handling of existing/non-existing database:<ul>
<li><a class="el" href="namespaceXapian.html#1236aaa6a3d7a37a4c6b95439e449f7a" title="Create a new database; fail if db exists.">Xapian::DB_CREATE</a> fail if database already exist, otherwise create new database.</li><li><a class="el" href="namespaceXapian.html#3d32111900603ce02b8c8467b9c5bacb" title="Open for read/write; create if no db exists.">Xapian::DB_CREATE_OR_OPEN</a> open existing database, or create new database if none exists.</li><li><a class="el" href="namespaceXapian.html#fbc13e6712a12dcfd0c048242fc313ed" title="Overwrite existing db; create if none exists.">Xapian::DB_CREATE_OR_OVERWRITE</a> overwrite existing database, or create new database if none exists.</li><li><a class="el" href="namespaceXapian.html#54521467b649894bdc411f4c35e56ac3" title="Open for read/write; fail if no db exists.">Xapian::DB_OPEN</a> open existing database, failing if none exists. </li></ul>
</td></tr>
<tr><td valign="top"></td><td valign="top"><em>block_size</em> </td><td>the Btree blocksize to use (in bytes), which must be a power of two between 2048 and 65536 (inclusive). The default (also used if an invalid value if passed) is 8192 bytes. This parameter is ignored when opening an existing database. </td></tr>
</table>
</dl>
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</div><p>
<a class="anchor" name="24145fd4d1402fbd40fb08bdca31298f"></a><!-- doxytag: member="Xapian::Brass::open" ref="24145fd4d1402fbd40fb08bdca31298f" args="(const std::string &dir)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classXapian_1_1Database.html">Database</a> Xapian::Brass::open </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"> <em>dir</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Construct a <a class="el" href="classXapian_1_1Database.html" title="This class is used to access a database, or a group of databases.">Database</a> object for read-only access to a <a class="el" href="namespaceXapian_1_1Brass.html" title="Database factory functions for the brass backend.">Brass</a> database.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dir</em> </td><td>pathname of the directory containing the database. </td></tr>
</table>
</dl>
</div>
</div><p>
</div>
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<address><small>
Documentation for Xapian (version 1.2.12).<br>
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