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| <h2 title="Class RelDistributions.RelDistributionImpl" class="title">Class RelDistributions.RelDistributionImpl</h2> |
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| <li>java.lang.Object</li> |
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| <li>org.apache.calcite.rel.RelDistributions.RelDistributionImpl</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.lang.Comparable<<a href="../plan/RelMultipleTrait.html" title="interface in org.apache.calcite.plan">RelMultipleTrait</a>></code>, <code><a href="../plan/RelMultipleTrait.html" title="interface in org.apache.calcite.plan">RelMultipleTrait</a></code>, <code><a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a></code>, <code><a href="RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></code></dd> |
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| <dl> |
| <dt>Enclosing class:</dt> |
| <dd><a href="RelDistributions.html" title="class in org.apache.calcite.rel">RelDistributions</a></dd> |
| </dl> |
| <hr> |
| <pre>private static class <span class="typeNameLabel">RelDistributions.RelDistributionImpl</span> |
| extends java.lang.Object |
| implements <a href="RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></pre> |
| <div class="block">Implementation of <a href="RelDistribution.html" title="interface in org.apache.calcite.rel"><code>RelDistribution</code></a>.</div> |
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| <h3>Nested classes/interfaces inherited from interface org.apache.calcite.rel.<a href="RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></h3> |
| <code><a href="RelDistribution.Type.html" title="enum in org.apache.calcite.rel">RelDistribution.Type</a></code></li> |
| </ul> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#keys">keys</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static com.google.common.collect.Ordering<java.lang.Iterable<java.lang.Integer>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ORDERING">ORDERING</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="RelDistribution.Type.html" title="enum in org.apache.calcite.rel">RelDistribution.Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#type">type</a></span></code></th> |
| <td class="colLast"> </td> |
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| <th class="colFirst" scope="col">Modifier</th> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.rel.RelDistribution.Type,org.apache.calcite.util.ImmutableIntList)">RelDistributionImpl</a></span>​(<a href="RelDistribution.Type.html" title="enum in org.apache.calcite.rel">RelDistribution.Type</a> type, |
| <a href="../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a> keys)</code></th> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.util.mapping.Mappings.TargetMapping)">apply</a></span>​(<a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a> mapping)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#compareTo(org.apache.calcite.plan.RelMultipleTrait)">compareTo</a></span>​(<a href="../plan/RelMultipleTrait.html" title="interface in org.apache.calcite.plan">RelMultipleTrait</a> o)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>​(java.lang.Object obj)</code></th> |
| <td class="colLast"> |
| <div class="block">See <a href="#EqualsHashCodeNote">note about equals() and hashCode()</a>.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>java.util.List<java.lang.Integer></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKeys()">getKeys</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the ordinals of the key columns.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="RelDistributionTraitDef.html" title="class in org.apache.calcite.rel">RelDistributionTraitDef</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTraitDef()">getTraitDef</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the RelTraitDef that defines this RelTrait.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="RelDistribution.Type.html" title="enum in org.apache.calcite.rel">RelDistribution.Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getType()">getType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the type of distribution.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">See <a href="#EqualsHashCodeNote">note about equals() and hashCode()</a>.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isTop()">isTop</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this trait is satisfied by every instance of the trait |
| (including itself).</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#register(org.apache.calcite.plan.RelOptPlanner)">register</a></span>​(<a href="../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a> planner)</code></th> |
| <td class="colLast"> |
| <div class="block">Registers a trait instance with the planner.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#satisfies(org.apache.calcite.plan.RelTrait)">satisfies</a></span>​(<a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a> trait)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this trait satisfies a given trait.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a succinct name for this trait.</div> |
| </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <h3>Field Detail</h3> |
| <a id="ORDERING"> |
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| </a> |
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| <li class="blockList"> |
| <h4>ORDERING</h4> |
| <pre>private static final com.google.common.collect.Ordering<java.lang.Iterable<java.lang.Integer>> ORDERING</pre> |
| </li> |
| </ul> |
| <a id="type"> |
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| </a> |
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| <h4>type</h4> |
| <pre>private final <a href="RelDistribution.Type.html" title="enum in org.apache.calcite.rel">RelDistribution.Type</a> type</pre> |
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| </ul> |
| <a id="keys"> |
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| <h4>keys</h4> |
| <pre>private final <a href="../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a> keys</pre> |
| </li> |
| </ul> |
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| <h3>Constructor Detail</h3> |
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| </a> |
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| <h4>RelDistributionImpl</h4> |
| <pre>private RelDistributionImpl​(<a href="RelDistribution.Type.html" title="enum in org.apache.calcite.rel">RelDistribution.Type</a> type, |
| <a href="../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a> keys)</pre> |
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| <h4>hashCode</h4> |
| <pre class="methodSignature">public int hashCode()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../plan/RelTrait.html#hashCode()">RelTrait</a></code></span></div> |
| <div class="block">See <a href="#EqualsHashCodeNote">note about equals() and hashCode()</a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../plan/RelTrait.html#hashCode()">hashCode</a></code> in interface <code><a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>hashCode</code> in class <code>java.lang.Object</code></dd> |
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| <pre class="methodSignature">public boolean equals​(java.lang.Object obj)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../plan/RelTrait.html#equals(java.lang.Object)">RelTrait</a></code></span></div> |
| <div class="block">See <a href="#EqualsHashCodeNote">note about equals() and hashCode()</a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../plan/RelTrait.html#equals(java.lang.Object)">equals</a></code> in interface <code><a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>equals</code> in class <code>java.lang.Object</code></dd> |
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| <h4>toString</h4> |
| <pre class="methodSignature">public java.lang.String toString()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../plan/RelTrait.html#toString()">RelTrait</a></code></span></div> |
| <div class="block">Returns a succinct name for this trait. The planner may use this String |
| to describe the trait.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../plan/RelTrait.html#toString()">toString</a></code> in interface <code><a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
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| <h4>getType</h4> |
| <pre class="methodSignature">@Nonnull |
| public <a href="RelDistribution.Type.html" title="enum in org.apache.calcite.rel">RelDistribution.Type</a> getType()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDistribution.html#getType()">RelDistribution</a></code></span></div> |
| <div class="block">Returns the type of distribution.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDistribution.html#getType()">getType</a></code> in interface <code><a href="RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></code></dd> |
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| <h4>getKeys</h4> |
| <pre class="methodSignature">@Nonnull |
| public java.util.List<java.lang.Integer> getKeys()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDistribution.html#getKeys()">RelDistribution</a></code></span></div> |
| <div class="block">Returns the ordinals of the key columns. |
| |
| <p>Order is important for some types (RANGE); other types (HASH) consider |
| it unimportant but impose an arbitrary order; other types (BROADCAST, |
| SINGLETON) never have keys.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDistribution.html#getKeys()">getKeys</a></code> in interface <code><a href="RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getTraitDef()"> |
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| </a> |
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| <h4>getTraitDef</h4> |
| <pre class="methodSignature">public <a href="RelDistributionTraitDef.html" title="class in org.apache.calcite.rel">RelDistributionTraitDef</a> getTraitDef()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../plan/RelTrait.html#getTraitDef()">RelTrait</a></code></span></div> |
| <div class="block">Returns the RelTraitDef that defines this RelTrait.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../plan/RelTrait.html#getTraitDef()">getTraitDef</a></code> in interface <code><a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the RelTraitDef that defines this RelTrait</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="apply(org.apache.calcite.util.mapping.Mappings.TargetMapping)"> |
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| </a> |
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| <h4>apply</h4> |
| <pre class="methodSignature">public <a href="RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a> apply​(<a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a> mapping)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDistribution.html#apply(org.apache.calcite.util.mapping.Mappings.TargetMapping)">apply</a></code> in interface <code><a href="RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></code></dd> |
| </dl> |
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| </ul> |
| <a id="satisfies(org.apache.calcite.plan.RelTrait)"> |
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| <h4>satisfies</h4> |
| <pre class="methodSignature">public boolean satisfies​(<a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a> trait)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../plan/RelTrait.html#satisfies(org.apache.calcite.plan.RelTrait)">RelTrait</a></code></span></div> |
| <div class="block">Returns whether this trait satisfies a given trait. |
| |
| <p>A trait satisfies another if it is the same or stricter. For example, |
| <code>ORDER BY x, y</code> satisfies <code>ORDER BY x</code>. |
| |
| <p>A trait's <code>satisfies</code> relation must be a partial order (reflexive, |
| anti-symmetric, transitive). Many traits cannot be "loosened"; their |
| <code>satisfies</code> is an equivalence relation, where only X satisfies X. |
| |
| <p>If a trait has multiple values |
| (see <a href="../plan/RelCompositeTrait.html" title="class in org.apache.calcite.plan"><code>RelCompositeTrait</code></a>) |
| a collection (T0, T1, ...) satisfies T if any Ti satisfies T.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../plan/RelTrait.html#satisfies(org.apache.calcite.plan.RelTrait)">satisfies</a></code> in interface <code><a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>trait</code> - Given trait</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether this trait subsumes a given trait</dd> |
| </dl> |
| </li> |
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| <a id="register(org.apache.calcite.plan.RelOptPlanner)"> |
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| <h4>register</h4> |
| <pre class="methodSignature">public void register​(<a href="../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a> planner)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../plan/RelTrait.html#register(org.apache.calcite.plan.RelOptPlanner)">RelTrait</a></code></span></div> |
| <div class="block">Registers a trait instance with the planner. |
| |
| <p>This is an opportunity to add rules that relate to that trait. However, |
| typical implementations will do nothing.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../plan/RelTrait.html#register(org.apache.calcite.plan.RelOptPlanner)">register</a></code> in interface <code><a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>planner</code> - Planner</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isTop()"> |
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| </a> |
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| <li class="blockList"> |
| <h4>isTop</h4> |
| <pre class="methodSignature">public boolean isTop()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../plan/RelMultipleTrait.html#isTop()">RelMultipleTrait</a></code></span></div> |
| <div class="block">Returns whether this trait is satisfied by every instance of the trait |
| (including itself).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../plan/RelMultipleTrait.html#isTop()">isTop</a></code> in interface <code><a href="../plan/RelMultipleTrait.html" title="interface in org.apache.calcite.plan">RelMultipleTrait</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="compareTo(org.apache.calcite.plan.RelMultipleTrait)"> |
| <!-- --> |
| </a> |
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| <h4>compareTo</h4> |
| <pre class="methodSignature">public int compareTo​(@Nonnull |
| <a href="../plan/RelMultipleTrait.html" title="interface in org.apache.calcite.plan">RelMultipleTrait</a> o)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>compareTo</code> in interface <code>java.lang.Comparable<<a href="../plan/RelMultipleTrait.html" title="interface in org.apache.calcite.plan">RelMultipleTrait</a>></code></dd> |
| </dl> |
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