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| <h2 title="Interface Union" class="title">Interface Union</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd><a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></dd> |
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| <dl> |
| <dt>All Known Implementing Classes:</dt> |
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| <pre>public interface <span class="typeNameLabel">Union</span> |
| extends <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></pre> |
| <div class="block">SQL UNION.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Abe White</dd> |
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| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.Selector.html" title="interface in org.apache.openjpa.jdbc.sql">Union.Selector</a></span></code> |
| <div class="block">A callback used to create the selects in a SQL union.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.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="http://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/Union.html#getOrdering--">getOrdering</a></span>()</code> |
| <div class="block">Get the union-level ordering, if any.</div> |
| </td> |
| </tr> |
| <tr id="i2" 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/Union.html#getSelects--">getSelects</a></span>()</code> |
| <div class="block">Return the selects that make up this union.</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/Union.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="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/sql/Union.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> selector)</code> |
| <div class="block">Select data using the given selector.</div> |
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| <h3>Methods inherited from interface org.apache.openjpa.jdbc.sql.<a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html" title="interface in org.apache.openjpa.jdbc.sql">SelectExecutor</a></h3> |
| <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>, <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>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getAutoDistinct--">getAutoDistinct</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getConfiguration--">getConfiguration</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getCount-org.apache.openjpa.jdbc.kernel.JDBCStore-">getCount</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getExpectedResultCount--">getExpectedResultCount</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getJoinSyntax--">getJoinSyntax</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#getSQL--">getSQL</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#hasMultipleSelects--">hasMultipleSelects</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#isDistinct--">isDistinct</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#isLRS--">isLRS</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setAutoDistinct-boolean-">setAutoDistinct</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setDistinct-boolean-">setDistinct</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setExpectedResultCount-int-boolean-">setExpectedResultCount</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setJoinSyntax-int-">setJoinSyntax</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#setLRS-boolean-">setLRS</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#supportsLocking--">supportsLocking</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#supportsRandomAccess-boolean-">supportsRandomAccess</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelect-boolean-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-">toSelect</a>, <a href="../../../../../org/apache/openjpa/jdbc/sql/SelectExecutor.html#toSelectCount--">toSelectCount</a></code></li> |
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| <a name="getSelects--"> |
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| <h4>getSelects</h4> |
| <pre><a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a>[] getSelects()</pre> |
| <div class="block">Return the selects that make up this union.</div> |
| </li> |
| </ul> |
| <a name="getOrdering--"> |
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| <h4>getOrdering</h4> |
| <pre><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getOrdering()</pre> |
| <div class="block">Get the union-level ordering, if any.</div> |
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| <h4>isUnion</h4> |
| <pre>boolean isUnion()</pre> |
| <div class="block">Whether this is a true UNION, rather than a logical combination of |
| independent selects.</div> |
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| <pre>void abortUnion()</pre> |
| <div class="block">Force the use of a series of standard selects rather than a true UNION.</div> |
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| <pre>void select(<a href="../../../../../org/apache/openjpa/jdbc/sql/Union.Selector.html" title="interface in org.apache.openjpa.jdbc.sql">Union.Selector</a> selector)</pre> |
| <div class="block">Select data using the given selector.</div> |
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