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<title>Berkeley DB: DbMemoryException</title>
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<b>DbMemoryException</b>
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<b><pre>
#include &lt;db_cxx.h&gt;
<p>
class DbMemoryException : public DbException {
public:
	Dbt *get_dbt() const;
};
</pre></b>
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<b>Description: DbMemoryException</b>
<p>This information describes the DbMemoryException class and how
it is used by the various Db* classes.</p>
<p>A DbMemoryException is thrown when there is insufficient memory
to complete an operation, and there is the possibility of recovering.
An example is during a <a href="../../db4-devel-4.7.25/api_cxx/db_get.html">Db::get</a> or <a href="../../db4-devel-4.7.25/api_cxx/dbc_get.html">Dbc::get</a> operation with
the <a href="../../db4-devel-4.7.25/api_cxx/dbt_class.html">Dbt</a> flags set to <a href="../../db4-devel-4.7.25/api_cxx/dbt_class.html#DB_DBT_USERMEM">DB_DBT_USERMEM</a>.</p>
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<p>The <a href="../../db4-devel-4.7.25/api_cxx/except_class.html">DbException</a> errno value is set to <a href="../../db4-devel-4.7.25/api_cxx/dbt_class.html#DB_BUFFER_SMALL">DB_BUFFER_SMALL</a>
or ENOMEM.</p>
<p>The <b>get_dbt</b> method returns the <a href="../../db4-devel-4.7.25/api_cxx/dbt_class.html">Dbt</a> with insufficient
memory to complete the operation, causing the DbMemoryException
to be thrown.
The <a href="../../db4-devel-4.7.25/api_cxx/dbt_class.html">Dbt</a> pointer may or may not refer to valid memory, depending
on whether the <a href="../../db4-devel-4.7.25/api_cxx/dbt_class.html">Dbt</a> used in the call to the failed Berkeley DB method
is still in scope and has not been deleted.</p>
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