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LogicalUnion (OpenJPA 0.9.6-incubating API)
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org.apache.openjpa.jdbc.sql</FONT>
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Class LogicalUnion</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.openjpa.jdbc.sql.LogicalUnion</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>LogicalUnion</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></DL>
</PRE>
<P>
A logical union made up of multiple distinct selects whose results are
combined in memory.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Abe White</DD>
</DL>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
<A NAME="nested_class_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>Nested Class Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;interface</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.Selector.html" title="interface in org.apache.openjpa.jdbc.sql">LogicalUnion.Selector</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A callback used to create the selects in a SQL union.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A select that is part of a logical union.</TD>
</TR>
</TABLE>
&nbsp;<!-- =========== 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>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/BitSet.html" title="class or interface in java.util">BitSet</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#desc">desc</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>protected &nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#dict">dict</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>protected &nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#mappings">mappings</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>protected &nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#sels">sels</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
</TABLE>
&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor 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;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#LogicalUnion(org.apache.openjpa.jdbc.conf.JDBCConfiguration, int)">LogicalUnion</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</A>&nbsp;conf,
int&nbsp;sels)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#LogicalUnion(org.apache.openjpa.jdbc.conf.JDBCConfiguration, int, org.apache.openjpa.jdbc.sql.Select[])">LogicalUnion</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</A>&nbsp;conf,
int&nbsp;sels,
<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A>[]&nbsp;seeds)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Delegate constructor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#LogicalUnion(org.apache.openjpa.jdbc.conf.JDBCConfiguration, org.apache.openjpa.jdbc.sql.Select[])">LogicalUnion</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</A>&nbsp;conf,
<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A>[]&nbsp;seeds)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor used to seed the internal selects.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_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>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#abortUnion()">abortUnion</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Force the use of a series of standard selects rather than a true UNION.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#execute(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)">execute</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A>&nbsp;store,
<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</A>&nbsp;fetch)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Execute this select in the context of the given store manager.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#execute(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration, int)">execute</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A>&nbsp;store,
<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</A>&nbsp;fetch,
int&nbsp;lockLevel)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Execute this select in the context of the given store manager.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getAutoDistinct()">getAutoDistinct</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether to automatically make results distinct when relational joins
would otherwise introduce duplicates.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getConfiguration()">getConfiguration</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the select configuration.</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="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getCount(org.apache.openjpa.jdbc.kernel.JDBCStore)">getCount</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A>&nbsp;store)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the number of instances matching this select.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getDBDictionary()">getDBDictionary</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="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getJoinSyntax()">getJoinSyntax</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The join syntax for this select, as one of the syntax constants from
<A HREF="../../../../../org/apache/openjpa/jdbc/sql/JoinSyntaxes.html" title="interface in org.apache.openjpa.jdbc.sql"><CODE>JoinSyntaxes</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getOrdering()">getOrdering</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the union-level ordering, if any.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getSelects()">getSelects</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the selects that make up this union.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#isDistinct()">isDistinct</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether this is a SELECT DISTINCT / UNION ALL.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#isLRS()">isLRS</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether the result of this select should be treated as a large
result set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#isSingleResult()">isSingleResult</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether this union will return at most a single result.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#isUnion()">isUnion</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether this is a true UNION, rather than a logical combination of
independent selects.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#newUnionSelect(org.apache.openjpa.jdbc.sql.SelectImpl, int)">newUnionSelect</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectImpl.html" title="class in org.apache.openjpa.jdbc.sql">SelectImpl</A>&nbsp;seed,
int&nbsp;pos)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new union select with the given delegate and union position.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#select(org.apache.openjpa.jdbc.sql.Union.Selector)">select</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.Selector.html" title="interface in org.apache.openjpa.jdbc.sql">Union.Selector</A>&nbsp;selector)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Select data using the given selector.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setAutoDistinct(boolean)">setAutoDistinct</A></B>(boolean&nbsp;distinct)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether to automatically make results distinct when relational joins
would otherwise introduce duplicates.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setDistinct(boolean)">setDistinct</A></B>(boolean&nbsp;distinct)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether this is a SELECT DISTINCT / UNION ALL.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setJoinSyntax(int)">setJoinSyntax</A></B>(int&nbsp;syntax)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The join syntax for this select, as one of the syntax constants from
<A HREF="../../../../../org/apache/openjpa/jdbc/sql/JoinSyntaxes.html" title="interface in org.apache.openjpa.jdbc.sql"><CODE>JoinSyntaxes</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setLRS(boolean)">setLRS</A></B>(boolean&nbsp;lrs)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether the result of this select should be treated as a large
result set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setSingleResult(boolean)">setSingleResult</A></B>(boolean&nbsp;single)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether this union will return at most a single result.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#supportsLocking()">supportsLocking</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether this select can be executed for update.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#supportsRandomAccess(boolean)">supportsRandomAccess</A></B>(boolean&nbsp;forUpdate)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return whether this select can support a random access result set type.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#toSelect(boolean, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)">toSelect</A></B>(boolean&nbsp;forUpdate,
<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</A>&nbsp;fetch)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return this select as a SQL statement formatted for the current
dictionary.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#toSelectCount()">toSelectCount</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return this select as a COUNT SQL statement formatted for the current
dictionary.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#toString()">toString</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="sels"><!-- --></A><H3>
sels</H3>
<PRE>
protected final <A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</A>[] <B>sels</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>
<A NAME="dict"><!-- --></A><H3>
dict</H3>
<PRE>
protected final <A HREF="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</A> <B>dict</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>
<A NAME="mappings"><!-- --></A><H3>
mappings</H3>
<PRE>
protected final <A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A>[] <B>mappings</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>
<A NAME="desc"><!-- --></A><H3>
desc</H3>
<PRE>
protected final <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/BitSet.html" title="class or interface in java.util">BitSet</A> <B>desc</B></PRE>
<DL>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="LogicalUnion(org.apache.openjpa.jdbc.conf.JDBCConfiguration, int)"><!-- --></A><H3>
LogicalUnion</H3>
<PRE>
public <B>LogicalUnion</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</A>&nbsp;conf,
int&nbsp;sels)</PRE>
<DL>
<DD>Constructor.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>conf</CODE> - system configuration<DD><CODE>sels</CODE> - the number of SQL selects to union together</DL>
</DL>
<HR>
<A NAME="LogicalUnion(org.apache.openjpa.jdbc.conf.JDBCConfiguration, org.apache.openjpa.jdbc.sql.Select[])"><!-- --></A><H3>
LogicalUnion</H3>
<PRE>
public <B>LogicalUnion</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</A>&nbsp;conf,
<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A>[]&nbsp;seeds)</PRE>
<DL>
<DD>Constructor used to seed the internal selects.
<P>
</DL>
<HR>
<A NAME="LogicalUnion(org.apache.openjpa.jdbc.conf.JDBCConfiguration, int, org.apache.openjpa.jdbc.sql.Select[])"><!-- --></A><H3>
LogicalUnion</H3>
<PRE>
protected <B>LogicalUnion</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</A>&nbsp;conf,
int&nbsp;sels,
<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A>[]&nbsp;seeds)</PRE>
<DL>
<DD>Delegate constructor.
<P>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="newUnionSelect(org.apache.openjpa.jdbc.sql.SelectImpl, int)"><!-- --></A><H3>
newUnionSelect</H3>
<PRE>
protected <A HREF="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</A> <B>newUnionSelect</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectImpl.html" title="class in org.apache.openjpa.jdbc.sql">SelectImpl</A>&nbsp;seed,
int&nbsp;pos)</PRE>
<DL>
<DD>Create a new union select with the given delegate and union position.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getSelects()"><!-- --></A><H3>
getSelects</H3>
<PRE>
public <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A>[] <B>getSelects</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#getSelects()">Union</A></CODE></B></DD>
<DD>Return the selects that make up this union.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#getSelects()">getSelects</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isSingleResult()"><!-- --></A><H3>
isSingleResult</H3>
<PRE>
public boolean <B>isSingleResult</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#isSingleResult()">Union</A></CODE></B></DD>
<DD>Whether this union will return at most a single result. Setting this
flag makes it more efficient to execute logical unions that are actually
made up from multiple selects executed in batch.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#isSingleResult()">isSingleResult</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setSingleResult(boolean)"><!-- --></A><H3>
setSingleResult</H3>
<PRE>
public void <B>setSingleResult</B>(boolean&nbsp;single)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#setSingleResult(boolean)">Union</A></CODE></B></DD>
<DD>Whether this union will return at most a single result. Setting this
flag makes it more efficient to execute logical unions that are actually
made up from multiple selects executed in batch.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#setSingleResult(boolean)">setSingleResult</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isUnion()"><!-- --></A><H3>
isUnion</H3>
<PRE>
public boolean <B>isUnion</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#isUnion()">Union</A></CODE></B></DD>
<DD>Whether this is a true UNION, rather than a logical combination of
independent selects.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#isUnion()">isUnion</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="abortUnion()"><!-- --></A><H3>
abortUnion</H3>
<PRE>
public void <B>abortUnion</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#abortUnion()">Union</A></CODE></B></DD>
<DD>Force the use of a series of standard selects rather than a true UNION.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#abortUnion()">abortUnion</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getOrdering()"><!-- --></A><H3>
getOrdering</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getOrdering</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#getOrdering()">Union</A></CODE></B></DD>
<DD>Get the union-level ordering, if any.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#getOrdering()">getOrdering</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getConfiguration()"><!-- --></A><H3>
getConfiguration</H3>
<PRE>
public <A HREF="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</A> <B>getConfiguration</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getConfiguration()">SelectExecutor</A></CODE></B></DD>
<DD>Return the select configuration.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getConfiguration()">getConfiguration</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getDBDictionary()"><!-- --></A><H3>
getDBDictionary</H3>
<PRE>
public <A HREF="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</A> <B>getDBDictionary</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toSelect(boolean, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)"><!-- --></A><H3>
toSelect</H3>
<PRE>
public <A HREF="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A> <B>toSelect</B>(boolean&nbsp;forUpdate,
<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</A>&nbsp;fetch)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelect(boolean, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)">SelectExecutor</A></CODE></B></DD>
<DD>Return this select as a SQL statement formatted for the current
dictionary.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelect(boolean, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)">toSelect</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toSelectCount()"><!-- --></A><H3>
toSelectCount</H3>
<PRE>
public <A HREF="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A> <B>toSelectCount</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelectCount()">SelectExecutor</A></CODE></B></DD>
<DD>Return this select as a COUNT SQL statement formatted for the current
dictionary.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelectCount()">toSelectCount</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getAutoDistinct()"><!-- --></A><H3>
getAutoDistinct</H3>
<PRE>
public boolean <B>getAutoDistinct</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getAutoDistinct()">SelectExecutor</A></CODE></B></DD>
<DD>Whether to automatically make results distinct when relational joins
would otherwise introduce duplicates.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getAutoDistinct()">getAutoDistinct</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setAutoDistinct(boolean)"><!-- --></A><H3>
setAutoDistinct</H3>
<PRE>
public void <B>setAutoDistinct</B>(boolean&nbsp;distinct)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setAutoDistinct(boolean)">SelectExecutor</A></CODE></B></DD>
<DD>Whether to automatically make results distinct when relational joins
would otherwise introduce duplicates.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setAutoDistinct(boolean)">setAutoDistinct</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isDistinct()"><!-- --></A><H3>
isDistinct</H3>
<PRE>
public boolean <B>isDistinct</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#isDistinct()">SelectExecutor</A></CODE></B></DD>
<DD>Whether this is a SELECT DISTINCT / UNION ALL.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#isDistinct()">isDistinct</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setDistinct(boolean)"><!-- --></A><H3>
setDistinct</H3>
<PRE>
public void <B>setDistinct</B>(boolean&nbsp;distinct)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setDistinct(boolean)">SelectExecutor</A></CODE></B></DD>
<DD>Whether this is a SELECT DISTINCT / UNION ALL.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setDistinct(boolean)">setDistinct</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isLRS()"><!-- --></A><H3>
isLRS</H3>
<PRE>
public boolean <B>isLRS</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#isLRS()">SelectExecutor</A></CODE></B></DD>
<DD>Whether the result of this select should be treated as a large
result set.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#isLRS()">isLRS</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setLRS(boolean)"><!-- --></A><H3>
setLRS</H3>
<PRE>
public void <B>setLRS</B>(boolean&nbsp;lrs)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setLRS(boolean)">SelectExecutor</A></CODE></B></DD>
<DD>Whether the result of this select should be treated as a large
result set.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setLRS(boolean)">setLRS</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getJoinSyntax()"><!-- --></A><H3>
getJoinSyntax</H3>
<PRE>
public int <B>getJoinSyntax</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getJoinSyntax()">SelectExecutor</A></CODE></B></DD>
<DD>The join syntax for this select, as one of the syntax constants from
<A HREF="../../../../../org/apache/openjpa/jdbc/sql/JoinSyntaxes.html" title="interface in org.apache.openjpa.jdbc.sql"><CODE>JoinSyntaxes</CODE></A>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getJoinSyntax()">getJoinSyntax</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setJoinSyntax(int)"><!-- --></A><H3>
setJoinSyntax</H3>
<PRE>
public void <B>setJoinSyntax</B>(int&nbsp;syntax)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setJoinSyntax(int)">SelectExecutor</A></CODE></B></DD>
<DD>The join syntax for this select, as one of the syntax constants from
<A HREF="../../../../../org/apache/openjpa/jdbc/sql/JoinSyntaxes.html" title="interface in org.apache.openjpa.jdbc.sql"><CODE>JoinSyntaxes</CODE></A>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setJoinSyntax(int)">setJoinSyntax</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="supportsRandomAccess(boolean)"><!-- --></A><H3>
supportsRandomAccess</H3>
<PRE>
public boolean <B>supportsRandomAccess</B>(boolean&nbsp;forUpdate)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#supportsRandomAccess(boolean)">SelectExecutor</A></CODE></B></DD>
<DD>Return whether this select can support a random access result set type.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#supportsRandomAccess(boolean)">supportsRandomAccess</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="supportsLocking()"><!-- --></A><H3>
supportsLocking</H3>
<PRE>
public boolean <B>supportsLocking</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#supportsLocking()">SelectExecutor</A></CODE></B></DD>
<DD>Whether this select can be executed for update.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#supportsLocking()">supportsLocking</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getCount(org.apache.openjpa.jdbc.kernel.JDBCStore)"><!-- --></A><H3>
getCount</H3>
<PRE>
public int <B>getCount</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A>&nbsp;store)
throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getCount(org.apache.openjpa.jdbc.kernel.JDBCStore)">SelectExecutor</A></CODE></B></DD>
<DD>Return the number of instances matching this select.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getCount(org.apache.openjpa.jdbc.kernel.JDBCStore)">getCount</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="execute(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)"><!-- --></A><H3>
execute</H3>
<PRE>
public <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</A> <B>execute</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A>&nbsp;store,
<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</A>&nbsp;fetch)
throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#execute(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)">SelectExecutor</A></CODE></B></DD>
<DD>Execute this select in the context of the given store manager.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#execute(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)">execute</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="execute(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration, int)"><!-- --></A><H3>
execute</H3>
<PRE>
public <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</A> <B>execute</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A>&nbsp;store,
<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</A>&nbsp;fetch,
int&nbsp;lockLevel)
throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#execute(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration, int)">SelectExecutor</A></CODE></B></DD>
<DD>Execute this select in the context of the given store manager.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#execute(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration, int)">execute</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="select(org.apache.openjpa.jdbc.sql.Union.Selector)"><!-- --></A><H3>
select</H3>
<PRE>
public void <B>select</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.Selector.html" title="interface in org.apache.openjpa.jdbc.sql">Union.Selector</A>&nbsp;selector)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#select(org.apache.openjpa.jdbc.sql.Union.Selector)">Union</A></CODE></B></DD>
<DD>Select data using the given selector.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html#select(org.apache.openjpa.jdbc.sql.Union.Selector)">select</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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