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<div class="subTitle">org.apache.openjpa.jdbc.sql</div>
<h2 title="Class LogicalUnion" class="title">Class LogicalUnion</h2>
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<li>org.apache.openjpa.jdbc.sql.LogicalUnion</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<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>
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<pre>public class <span class="typeNameLabel">LogicalUnion</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</a></pre>
<div class="block">A logical union made up of multiple distinct selects whose results are
combined in memory.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Abe White</dd>
</dl>
</li>
</ul>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.Selector.html" title="interface in org.apache.openjpa.jdbc.sql">LogicalUnion.Selector</a></span></code>
<div class="block">A callback used to create the selects in a SQL union.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</a></span></code>
<div class="block">A select that is part of a logical union.</div>
</td>
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<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#desc">desc</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#dict">dict</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#mappings">mappings</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#sels">sels</a></span></code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier</th>
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<td class="colFirst"><code>&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#LogicalUnion-org.apache.openjpa.jdbc.conf.JDBCConfiguration-int-">LogicalUnion</a></span>(<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>
<div class="block">Constructor.</div>
</td>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#LogicalUnion-org.apache.openjpa.jdbc.conf.JDBCConfiguration-int-org.apache.openjpa.jdbc.sql.Select:A-">LogicalUnion</a></span>(<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>
<div class="block">Delegate constructor.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#LogicalUnion-org.apache.openjpa.jdbc.conf.JDBCConfiguration-org.apache.openjpa.jdbc.sql.Select:A-">LogicalUnion</a></span>(<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>
<div class="block">Constructor used to seed the internal selects.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#abortUnion--">abortUnion</a></span>()</code>
<div class="block">Force the use of a series of standard selects rather than a true UNION.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#execute-org.apache.openjpa.jdbc.kernel.JDBCStore-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-">execute</a></span>(<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>
<div class="block">Execute this select in the context of the given store manager.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><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></span>(<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>
<div class="block">Execute this select in the context of the given store manager.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getAutoDistinct--">getAutoDistinct</a></span>()</code>
<div class="block">Whether to automatically make results distinct when relational joins
would otherwise introduce duplicates.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getConfiguration--">getConfiguration</a></span>()</code>
<div class="block">Return the select configuration.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getCount-org.apache.openjpa.jdbc.kernel.JDBCStore-">getCount</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store)</code>
<div class="block">Return the number of instances matching this select.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getDBDictionary--">getDBDictionary</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getExpectedResultCount--">getExpectedResultCount</a></span>()</code>
<div class="block">The expected result count for the query.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getJoinSyntax--">getJoinSyntax</a></span>()</code>
<div class="block">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>.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getOrdering--">getOrdering</a></span>()</code>
<div class="block">Get the union-level ordering, if any.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getSelects--">getSelects</a></span>()</code>
<div class="block">Return the selects that make up this union.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#getSQL--">getSQL</a></span>()</code>
<div class="block">Get the buffer if it has been computed by a previous call to
<a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelect-boolean-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-"><code>SelectExecutor.toSelect(boolean, JDBCFetchConfiguration)</code></a>, if any.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#hasMultipleSelects--">hasMultipleSelects</a></span>()</code>
<div class="block">Affirm if this receiver requires more than one selects to fetch its
data.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#isDistinct--">isDistinct</a></span>()</code>
<div class="block">Whether this is a SELECT DISTINCT / UNION ALL.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#isLRS--">isLRS</a></span>()</code>
<div class="block">Whether the result of this select should be treated as a large
result set.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#isUnion--">isUnion</a></span>()</code>
<div class="block">Whether this is a true UNION, rather than a logical combination of
independent selects.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#newUnionSelect-org.apache.openjpa.jdbc.sql.SelectImpl-int-">newUnionSelect</a></span>(<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>
<div class="block">Create a new union select with the given delegate and union position.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#select-org.apache.openjpa.jdbc.sql.Union.Selector-">select</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/sql/Union.Selector.html" title="interface in org.apache.openjpa.jdbc.sql">Union.Selector</a>&nbsp;selector)</code>
<div class="block">Select data using the given selector.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setAutoDistinct-boolean-">setAutoDistinct</a></span>(boolean&nbsp;distinct)</code>
<div class="block">Whether to automatically make results distinct when relational joins
would otherwise introduce duplicates.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setDistinct-boolean-">setDistinct</a></span>(boolean&nbsp;distinct)</code>
<div class="block">Whether this is a SELECT DISTINCT / UNION ALL.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setExpectedResultCount-int-boolean-">setExpectedResultCount</a></span>(int&nbsp;expectedResultCount,
boolean&nbsp;force)</code>
<div class="block">The expected result count for the query.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setJoinSyntax-int-">setJoinSyntax</a></span>(int&nbsp;syntax)</code>
<div class="block">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>.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#setLRS-boolean-">setLRS</a></span>(boolean&nbsp;lrs)</code>
<div class="block">Whether the result of this select should be treated as a large
result set.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.html#supportsLocking--">supportsLocking</a></span>()</code>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a></code></td>
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<div class="block">Return this select as a SQL statement formatted for the current
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<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a></code></td>
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<div class="block">Return this select as a COUNT SQL statement formatted for the current
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<pre>protected final&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</a>[] sels</pre>
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<pre>public&nbsp;LogicalUnion(<a href="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</a>&nbsp;conf,
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<div class="block">Constructor.</div>
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<pre>public&nbsp;LogicalUnion(<a href="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</a>&nbsp;conf,
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<div class="block">Constructor used to seed the internal selects.</div>
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<pre>protected&nbsp;LogicalUnion(<a href="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</a>&nbsp;conf,
int&nbsp;sels,
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<pre>protected&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/sql/LogicalUnion.UnionSelect.html" title="class in org.apache.openjpa.jdbc.sql">LogicalUnion.UnionSelect</a>&nbsp;newUnionSelect(<a href="../../../../../org/apache/openjpa/jdbc/sql/SelectImpl.html" title="class in org.apache.openjpa.jdbc.sql">SelectImpl</a>&nbsp;seed,
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<div class="block">Create a new union select with the given delegate and union position.</div>
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<pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a>[]&nbsp;getSelects()</pre>
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<div class="block">Return the selects that make up this union.</div>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html#getSelects--">getSelects</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;isUnion()</pre>
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<div class="block">Whether this is a true UNION, rather than a logical combination of
independent selects.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html#isUnion--">isUnion</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</a></code></dd>
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<pre>public&nbsp;void&nbsp;abortUnion()</pre>
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<div class="block">Force the use of a series of standard selects rather than a true UNION.</div>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html#abortUnion--">abortUnion</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</a></code></dd>
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<div class="block">Get the union-level ordering, if any.</div>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html#getOrdering--">getOrdering</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</a></code></dd>
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<div class="block">Return the select configuration.</div>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getConfiguration--">getConfiguration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelect-boolean-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-">SelectExecutor</a></code></span></div>
<div class="block">Return this select as a SQL statement formatted for the current
dictionary.</div>
<dl>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelect-boolean-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-">toSelect</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&nbsp;getSQL()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getSQL--">SelectExecutor</a></code></span></div>
<div class="block">Get the buffer if it has been computed by a previous call to
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getSQL--">getSQL</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<div class="block">Return this select as a COUNT SQL statement formatted for the current
dictionary.</div>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelectCount--">toSelectCount</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<div class="block">Whether the result of this select should be treated as a large
result set.</div>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getExpectedResultCount--">getExpectedResultCount</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<div class="block">The expected result count for the query.</div>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setExpectedResultCount-int-boolean-">setExpectedResultCount</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
<dd><code>force</code> - if false, the count will be discarded if this select has
any to-many eager joins that would throw off the result count</dd>
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<pre>public&nbsp;int&nbsp;getJoinSyntax()</pre>
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<div class="block">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>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getJoinSyntax--">getJoinSyntax</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<pre>public&nbsp;void&nbsp;setJoinSyntax(int&nbsp;syntax)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setJoinSyntax-int-">SelectExecutor</a></code></span></div>
<div class="block">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>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setJoinSyntax-int-">setJoinSyntax</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;supportsRandomAccess(boolean&nbsp;forUpdate)</pre>
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<div class="block">Return whether this select can support a random access result set type.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#supportsRandomAccess-boolean-">supportsRandomAccess</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;supportsLocking()</pre>
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<div class="block">Whether this select can be executed for update.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#supportsLocking--">supportsLocking</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;hasMultipleSelects()</pre>
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<div class="block">Affirm if this receiver requires more than one selects to fetch its
data.</div>
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<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#hasMultipleSelects--">hasMultipleSelects</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
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<pre>public&nbsp;int&nbsp;getCount(<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getCount-org.apache.openjpa.jdbc.kernel.JDBCStore-">SelectExecutor</a></code></span></div>
<div class="block">Return the number of instances matching this select.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getCount-org.apache.openjpa.jdbc.kernel.JDBCStore-">getCount</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
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<h4>execute</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;execute(<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="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<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></span></div>
<div class="block">Execute this select in the context of the given store manager.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<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>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;execute(<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="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<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></span></div>
<div class="block">Execute this select in the context of the given store manager.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<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>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
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<pre>public&nbsp;void&nbsp;select(<a href="../../../../../org/apache/openjpa/jdbc/sql/Union.Selector.html" title="interface in org.apache.openjpa.jdbc.sql">Union.Selector</a>&nbsp;selector)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html#select-org.apache.openjpa.jdbc.sql.Union.Selector-">Union</a></code></span></div>
<div class="block">Select data using the given selector.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html#select-org.apache.openjpa.jdbc.sql.Union.Selector-">select</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.html" title="interface in org.apache.openjpa.jdbc.sql">Union</a></code></dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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