2011-09-13 17:44:24 +00:00
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<title>DB_MPOOLFILE->set_clear_len</title>
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2012-11-14 21:35:20 +00:00
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<p>Library Version 11.2.5.3</p>
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2011-09-13 17:44:24 +00:00
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<th colspan="3" align="center">DB_MPOOLFILE->set_clear_len</th>
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<h2 class="title" style="clear: both"><a id="upgrade_4_4_clear"></a>DB_MPOOLFILE->set_clear_len</h2>
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<p>The meaning of a 0 "clear length" argument to the
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<a href="../api_reference/C/mempset_clear_len.html" class="olink">DB_MPOOLFILE->set_clear_len()</a> method changed in the Berkeley DB 4.4 release. In
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previous releases, specifying a length of 0 was equivalent to the
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default, and the entire created page was cleared. Unfortunately, this
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left no way to specify that no part of the page needed to be cleared.
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In the 4.4 release, specifying a "clear length" argument of 0 means that
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no part of the page need be cleared.</p>
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<p>Applications specifying a 0 "clear length" argument to the
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<a href="../api_reference/C/mempset_clear_len.html" class="olink">DB_MPOOLFILE->set_clear_len()</a> method should simply remove the call, as the
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default behavior is to clear the entire created page.</p>
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