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DbBtreeStat
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com.sleepycat.db</FONT>
<BR>
Class DbBtreeStat</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.db.DbBtreeStat</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>DbBtreeStat</B><DT>extends java.lang.Object</DL>
</PRE>

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

<P>
<HR>

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

<A NAME="field_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Field Summary</B></FONT></TH>
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<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_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 ======== -->

<A NAME="constructor_summary"><!-- --></A>
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<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbBtreeStat.html#DbBtreeStat()">DbBtreeStat</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->

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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</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>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

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

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<B>Field Detail</B></FONT></TH>
</TR>
</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 ======== -->

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<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="DbBtreeStat()"><!-- --></A><H3>
DbBtreeStat</H3>
<PRE>
public <B>DbBtreeStat</B>()</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Provide a string representation of all the fields contained
  within this class.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The string representation.</DL>
</DD>
</DL>
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