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| <li>Summary: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.calcite.sql2rel</a></div> |
| <h1 title="Class RelDecorrelator.CorelMap" class="title">Class RelDecorrelator.CorelMap</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.calcite.sql2rel.RelDecorrelator.CorelMap</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>Enclosing class:</dt> |
| <dd><a href="RelDecorrelator.html" title="class in org.apache.calcite.sql2rel">RelDecorrelator</a></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">protected static class </span><span class="element-name type-name-label">RelDecorrelator.CorelMap</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div> |
| <div class="block">A map of the locations of |
| <a href="../rel/core/Correlate.html" title="class in org.apache.calcite.rel.core"><code>Correlate</code></a> |
| in a tree of <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel"><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><code>mapRefRelToCorRef</code> maps a <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a> to the correlated |
| variables it references; |
| |
| <li><code>mapCorToCorRel</code> maps a correlated variable to the |
| <a href="../rel/core/Correlate.html" title="class in org.apache.calcite.rel.core"><code>Correlate</code></a> providing it; |
| |
| <li><code>mapFieldAccessToCorRef</code> 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> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
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| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#equals(java.lang.Object)" class="member-name-link">equals</a><wbr>(@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> obj)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/NavigableMap.html" title="class or interface in java.util" class="external-link">NavigableMap</a><<a href="../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>,<wbr><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getMapCorToCorRel()" class="member-name-link">getMapCorToCorRel</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#hasCorrelation()" class="member-name-link">hasCorrelation</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Returns whether there are any correlating variables in this statement.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#hashCode()" class="member-name-link">hashCode</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="RelDecorrelator.CorelMap.html" title="class in org.apache.calcite.sql2rel">RelDecorrelator.CorelMap</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#of(com.google.common.collect.SortedSetMultimap,java.util.NavigableMap,java.util.Map)" class="member-name-link">of</a><wbr>(com.google.common.collect.SortedSetMultimap<<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,<wbr>org.apache.calcite.sql2rel.RelDecorrelator.CorRef> mapRefRelToCorVar, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/NavigableMap.html" title="class or interface in java.util" class="external-link">NavigableMap</a><<a href="../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>,<wbr><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> mapCorToCorRel, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="../rex/RexFieldAccess.html" title="class in org.apache.calcite.rex">RexFieldAccess</a>,<wbr>org.apache.calcite.sql2rel.RelDecorrelator.CorRef> mapFieldAccessToCorVar)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates a CorelMap with given contents.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="toString()"> |
| <h3>toString</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">toString</span>()</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="equals(java.lang.Object)"> |
| <h3>equals</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">equals</span><wbr><span class="parameters">(@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> obj)</span></div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="hashCode()"> |
| <h3>hashCode</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">hashCode</span>()</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="of(com.google.common.collect.SortedSetMultimap,java.util.NavigableMap,java.util.Map)"> |
| <h3>of</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="RelDecorrelator.CorelMap.html" title="class in org.apache.calcite.sql2rel">RelDecorrelator.CorelMap</a></span> <span class="element-name">of</span><wbr><span class="parameters">(com.google.common.collect.SortedSetMultimap<<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,<wbr>org.apache.calcite.sql2rel.RelDecorrelator.CorRef> mapRefRelToCorVar, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/NavigableMap.html" title="class or interface in java.util" class="external-link">NavigableMap</a><<a href="../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>,<wbr><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> mapCorToCorRel, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="../rex/RexFieldAccess.html" title="class in org.apache.calcite.rex">RexFieldAccess</a>,<wbr>org.apache.calcite.sql2rel.RelDecorrelator.CorRef> mapFieldAccessToCorVar)</span></div> |
| <div class="block">Creates a CorelMap with given contents.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMapCorToCorRel()"> |
| <h3>getMapCorToCorRel</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/NavigableMap.html" title="class or interface in java.util" class="external-link">NavigableMap</a><<a href="../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>,<wbr><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>></span> <span class="element-name">getMapCorToCorRel</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="hasCorrelation()"> |
| <h3>hasCorrelation</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">hasCorrelation</span>()</div> |
| <div class="block">Returns whether there are any correlating variables in this statement.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>whether there are any correlating variables</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
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