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<title>Methods - connection management: GNOME Data Access 5 manual</title>
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<div class="sect1">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="id-1.9.7.8"></a>Methods - connection management</h2></div></div></div>
<div class="sect2">
<div class="titlepage"><div><div><h3 class="title">
<a name="prov-open-connection"></a>open_connection() - mandatory</h3></div></div></div>
<p>
This method actually opens a connection to the database.
</p>
<p>
Any data specific to the connection (such as
a database handle created by the database API when opening the connection) must be stored in a private structure
(which should be defined in the <code class="filename">gda-<providername>.h</code> file as a
<code class="classname"><Providername>ConnectionData</code>); this private structure's adress should be
"attached" to the <a class="link" href="GdaConnection.html" title="GdaConnection">GdaConnection</a> object using the
<a class="link" href="libgda-5.0-Misc-API.html#gda-connection-internal-set-provider-data" title="gda_connection_internal_set_provider_data ()">gda_connection_internal_set_provider_data()</a>.
</p>
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<div class="sect2">
<div class="titlepage"><div><div><h3 class="title">
<a name="prov-close-connection"></a>close_connection() - mandatory</h3></div></div></div>
<p>
This method actually closes a connection previously opened by the
<a class="link" href="ch44s04.html#prov-open-connection" title="open_connection() - mandatory">open_connection()</a> virtual method. This method is not mandatory for
virtual providers.
</p>
<p>
The connection specific data for the database API can be retrieved using the
<a class="link" href="libgda-5.0-Misc-API.html#gda-connection-internal-get-provider-data" title="gda_connection_internal_get_provider_data ()">gda_connection_internal_get_provider_data()</a> method.
</p>
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<div class="sect2">
<div class="titlepage"><div><div><h3 class="title">
<a name="id-1.9.7.8.4"></a>get_database()</h3></div></div></div>
<p>This method returns the name of the database to which a connection is opened.</p>
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