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lib64db4.2-devel-4.2.52-11mdv2007.0.x86_64.rpm

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DbBtreeStat (Sleepycat Software, Inc. - Berkeley DB Java API)
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<b>Berkeley DB</b><br><font size="-1"> version 4.2.52</font></EM>
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com.sleepycat.db</FONT>
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Class DbBtreeStat</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">java.lang.Object</A>
  |
  +--<B>com.sleepycat.db.DbBtreeStat</B>
</PRE>
<HR>
<DL>
<DT>public class <B>DbBtreeStat</B><DT>extends <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></DL>

<P>
The DbBtreeStat object is used to return Btree or Recno database statistics.</p>
<P>

<P>
<HR>

<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->


<!-- =========== FIELD SUMMARY =========== -->

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<B>Field Summary</B></FONT></TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_dup_pg">bt_dup_pg</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of database duplicate pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_dup_pgfree">bt_dup_pgfree</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of bytes free in database duplicate pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_free">bt_free</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of pages on the free list.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_int_pg">bt_int_pg</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of database internal pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_int_pgfree">bt_int_pgfree</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of bytes free in database internal pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_leaf_pg">bt_leaf_pg</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of database leaf pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_leaf_pgfree">bt_leaf_pgfree</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of bytes free in database leaf pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_levels">bt_levels</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of levels in the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_magic">bt_magic</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Magic number that identifies the file as a Btree database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_maxkey">bt_maxkey</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_metaflags">bt_metaflags</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_minkey">bt_minkey</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The minimum keys per page.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_ndata">bt_ndata</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For the Btree Access Method, the number of key/data pairs in the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_nkeys">bt_nkeys</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For the Btree Access Method, the number of unique keys in the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_over_pg">bt_over_pg</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of database overflow pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_over_pgfree">bt_over_pgfree</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Number of bytes free in database overflow pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_pagesize">bt_pagesize</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Underlying database page size, in bytes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_re_len">bt_re_len</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The length of fixed-length records.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_re_pad">bt_re_pad</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The padding byte value for fixed-length records.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#bt_version">bt_version</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The version of the Btree database.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->

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<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#DbBtreeStat()">DbBtreeStat</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#toString()">toString</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Provide a string representation of all the fields contained
 within this class.</TD>
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<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#getClass()">getClass</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#hashCode()">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#notify()">notify</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait()">wait</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait(long)">wait</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait(long, int)">wait</A></CODE></TD>
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&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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</TABLE>

<A NAME="bt_magic"><!-- --></A><H3>
bt_magic</H3>
<PRE>
public int <B>bt_magic</B></PRE>
<DL>
<DD>Magic number that identifies the file as a Btree database.  Returned if Db.DB_FAST_STAT is set. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_version"><!-- --></A><H3>
bt_version</H3>
<PRE>
public int <B>bt_version</B></PRE>
<DL>
<DD>The version of the Btree database.  Returned if Db.DB_FAST_STAT is set. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_metaflags"><!-- --></A><H3>
bt_metaflags</H3>
<PRE>
public int <B>bt_metaflags</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_nkeys"><!-- --></A><H3>
bt_nkeys</H3>
<PRE>
public int <B>bt_nkeys</B></PRE>
<DL>
<DD>For the Btree Access Method, the number of unique keys in the database. If Db.DB_FAST_STAT was specified and the database was created with the <A HREF="../../../com/sleepycat/db/Db.html#DB_RECNUM"><CODE>Db.DB_RECNUM</CODE></A> flag, the count will be exact, otherwise, the count will be the last saved value unless it has never been calculated, in which case it will be 0.  For the Recno Access Method, the exact number of records in the database.  Returned if Db.DB_FAST_STAT is set. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_ndata"><!-- --></A><H3>
bt_ndata</H3>
<PRE>
public int <B>bt_ndata</B></PRE>
<DL>
<DD>For the Btree Access Method, the number of key/data pairs in the database.  If Db.DB_FAST_STAT was specified the count will be the last saved value unless it has never been calculated, in which case it will be 0.  For the Recno Access Method, the exact number of records in the database. If the database has been configured to not renumber records during deletion, the count of records will only reflect undeleted records.  Returned if Db.DB_FAST_STAT is set. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_pagesize"><!-- --></A><H3>
bt_pagesize</H3>
<PRE>
public int <B>bt_pagesize</B></PRE>
<DL>
<DD>Underlying database page size, in bytes.  Returned if Db.DB_FAST_STAT is set. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_maxkey"><!-- --></A><H3>
bt_maxkey</H3>
<PRE>
public int <B>bt_maxkey</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_minkey"><!-- --></A><H3>
bt_minkey</H3>
<PRE>
public int <B>bt_minkey</B></PRE>
<DL>
<DD>The minimum keys per page.  Returned if Db.DB_FAST_STAT is set. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_re_len"><!-- --></A><H3>
bt_re_len</H3>
<PRE>
public int <B>bt_re_len</B></PRE>
<DL>
<DD>The length of fixed-length records.  Returned if Db.DB_FAST_STAT is set. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_re_pad"><!-- --></A><H3>
bt_re_pad</H3>
<PRE>
public int <B>bt_re_pad</B></PRE>
<DL>
<DD>The padding byte value for fixed-length records.  Returned if Db.DB_FAST_STAT is set. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_levels"><!-- --></A><H3>
bt_levels</H3>
<PRE>
public int <B>bt_levels</B></PRE>
<DL>
<DD>Number of levels in the database. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_int_pg"><!-- --></A><H3>
bt_int_pg</H3>
<PRE>
public int <B>bt_int_pg</B></PRE>
<DL>
<DD>Number of database internal pages. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_leaf_pg"><!-- --></A><H3>
bt_leaf_pg</H3>
<PRE>
public int <B>bt_leaf_pg</B></PRE>
<DL>
<DD>Number of database leaf pages. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_dup_pg"><!-- --></A><H3>
bt_dup_pg</H3>
<PRE>
public int <B>bt_dup_pg</B></PRE>
<DL>
<DD>Number of database duplicate pages. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_over_pg"><!-- --></A><H3>
bt_over_pg</H3>
<PRE>
public int <B>bt_over_pg</B></PRE>
<DL>
<DD>Number of database overflow pages. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_free"><!-- --></A><H3>
bt_free</H3>
<PRE>
public int <B>bt_free</B></PRE>
<DL>
<DD>Number of pages on the free list. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_int_pgfree"><!-- --></A><H3>
bt_int_pgfree</H3>
<PRE>
public int <B>bt_int_pgfree</B></PRE>
<DL>
<DD>Number of bytes free in database internal pages. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_leaf_pgfree"><!-- --></A><H3>
bt_leaf_pgfree</H3>
<PRE>
public int <B>bt_leaf_pgfree</B></PRE>
<DL>
<DD>Number of bytes free in database leaf pages. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_dup_pgfree"><!-- --></A><H3>
bt_dup_pgfree</H3>
<PRE>
public int <B>bt_dup_pgfree</B></PRE>
<DL>
<DD>Number of bytes free in database duplicate pages. 
</ul>
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="bt_over_pgfree"><!-- --></A><H3>
bt_over_pgfree</H3>
<PRE>
public int <B>bt_over_pgfree</B></PRE>
<DL>
<DD>Number of bytes free in database overflow pages. 
</ul>
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="DbBtreeStat()"><!-- --></A><H3>
DbBtreeStat</H3>
<PRE>
public <B>DbBtreeStat</B>()</PRE>
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<A NAME="toString()"><!-- --></A><H3>
toString</H3>
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public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>toString</B>()</PRE>
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<DD>Provide a string representation of all the fields contained
 within this class.
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<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#toString()">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></CODE></DL>
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<DT><B>Returns:</B><DD>The string representation.</DL>
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