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| <div class="subTitle">org.apache.calcite.sql2rel</div> |
| <h2 title="类 RelDecorrelator.CorelMap" class="title">类 RelDecorrelator.CorelMap</h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">java.lang.Object</a></li> |
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| <li>org.apache.calcite.sql2rel.RelDecorrelator.CorelMap</li> |
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| <dt>封闭类:</dt> |
| <dd><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.html" title="org.apache.calcite.sql2rel中的类">RelDecorrelator</a></dd> |
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| <pre>protected static class <span class="typeNameLabel">RelDecorrelator.CorelMap</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></pre> |
| <div class="block">A map of the locations of |
| <a href="../../../../org/apache/calcite/rel/core/Correlate.html" title="org.apache.calcite.rel.core中的类"><code>Correlate</code></a> |
| in a tree of <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>RelNode</code></a>s. |
| |
| <p>It is used to drive the decorrelation process. |
| Treat it as immutable; rebuild if you modify the tree. |
| |
| <p>There are three maps:<ol> |
| |
| <li><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#mapRefRelToCorRef"><code>mapRefRelToCorRef</code></a> maps a <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>RelNode</code></a> to the correlated |
| variables it references; |
| |
| <li><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#mapCorToCorRel"><code>mapCorToCorRel</code></a> maps a correlated variable to the |
| <a href="../../../../org/apache/calcite/rel/core/Correlate.html" title="org.apache.calcite.rel.core中的类"><code>Correlate</code></a> providing it; |
| |
| <li><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#mapFieldAccessToCorRef"><code>mapFieldAccessToCorRef</code></a> maps a rex field access to |
| the corVar it represents. Because typeFlattener does not clone or |
| modify a correlated field access this map does not need to be |
| updated. |
| |
| </ol></div> |
| </li> |
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| <h3>方法概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释"> |
| <caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">限定符和类型</th> |
| <th class="colLast" scope="col">方法和说明</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a> obj)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedMap.html?is-external=true" title="java.util中的类或接口">SortedMap</a><<a href="../../../../org/apache/calcite/rel/core/CorrelationId.html" title="org.apache.calcite.rel.core中的类">CorrelationId</a>,<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#getMapCorToCorRel--">getMapCorToCorRel</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#hasCorrelation--">hasCorrelation</a></span>()</code> |
| <div class="block">Returns whether there are any correlating variables in this statement.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#hashCode--">hashCode</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html" title="org.apache.calcite.sql2rel中的类">RelDecorrelator.CorelMap</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#of-com.google.common.collect.SortedSetMultimap-java.util.SortedMap-java.util.Map-">of</a></span>(com.google.common.collect.SortedSetMultimap<<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,org.apache.calcite.sql2rel.RelDecorrelator.CorRef> mapRefRelToCorVar, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedMap.html?is-external=true" title="java.util中的类或接口">SortedMap</a><<a href="../../../../org/apache/calcite/rel/core/CorrelationId.html" title="org.apache.calcite.rel.core中的类">CorrelationId</a>,<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>> mapCorToCorRel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexFieldAccess.html" title="org.apache.calcite.rex中的类">RexFieldAccess</a>,org.apache.calcite.sql2rel.RelDecorrelator.CorRef> mapFieldAccessToCorVar)</code> |
| <div class="block">Creates a CorelMap with given contents.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html#toString--">toString</a></span>()</code> </td> |
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| <h3>从类继承的方法 java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li> |
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| <h4>toString</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> toString()</pre> |
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| <h4>equals</h4> |
| <pre>public boolean equals(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a> obj)</pre> |
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| <pre>public int hashCode()</pre> |
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| <h4>of</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/sql2rel/RelDecorrelator.CorelMap.html" title="org.apache.calcite.sql2rel中的类">RelDecorrelator.CorelMap</a> of(com.google.common.collect.SortedSetMultimap<<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,org.apache.calcite.sql2rel.RelDecorrelator.CorRef> mapRefRelToCorVar, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedMap.html?is-external=true" title="java.util中的类或接口">SortedMap</a><<a href="../../../../org/apache/calcite/rel/core/CorrelationId.html" title="org.apache.calcite.rel.core中的类">CorrelationId</a>,<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>> mapCorToCorRel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexFieldAccess.html" title="org.apache.calcite.rex中的类">RexFieldAccess</a>,org.apache.calcite.sql2rel.RelDecorrelator.CorRef> mapFieldAccessToCorVar)</pre> |
| <div class="block">Creates a CorelMap with given contents.</div> |
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| <a name="getMapCorToCorRel--"> |
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| <h4>getMapCorToCorRel</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedMap.html?is-external=true" title="java.util中的类或接口">SortedMap</a><<a href="../../../../org/apache/calcite/rel/core/CorrelationId.html" title="org.apache.calcite.rel.core中的类">CorrelationId</a>,<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>> getMapCorToCorRel()</pre> |
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| <h4>hasCorrelation</h4> |
| <pre>public boolean hasCorrelation()</pre> |
| <div class="block">Returns whether there are any correlating variables in this statement.</div> |
| <dl> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>whether there are any correlating variables</dd> |
| </dl> |
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