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| <div class="aboutLanguage"><b>Apache Calcite</b></div> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.rel</a></div> |
| <h1 title="Class RelCollationImpl" class="title">Class RelCollationImpl</h1> |
| </div> |
| <div class="contentContainer"> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a> |
| <div class="inheritance">org.apache.calcite.rel.RelCollationImpl</div> |
| </div> |
| <section class="description"> |
| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><<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="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">RelCollationImpl</span> |
| extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> |
| implements <a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></pre> |
| <div class="block">Simple implementation of <a href="RelCollation.html" title="interface in org.apache.calcite.rel"><code>RelCollation</code></a>.</div> |
| </section> |
| <section class="summary"> |
| <ul class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <section class="fieldSummary"><a id="field.summary"> |
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| <h2>Field Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#EMPTY">EMPTY</a></span></code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PRESERVE">PRESERVE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <section class="constructorSummary"><a id="constructor.summary"> |
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| <h2>Constructor Summary</h2> |
| <div class="memberSummary"> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colSecond" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.google.common.collect.ImmutableList)">RelCollationImpl</a></span>​(com.google.common.collect.ImmutableList<<a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>> fieldCollations)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <section class="methodSummary"><a id="method.summary"> |
| <!-- --> |
| </a> |
| <h2>Method Summary</h2> |
| <div class="memberSummary"> |
| <div role="tablist" aria-orientation="horizontal"><button role="tab" aria-selected="true" aria-controls="memberSummary_tabpanel" tabindex="0" onkeydown="switchTab(event)" id="t0" class="activeTableTab">All Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t1" class="tableTab" onclick="show(1);">Static Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t2" class="tableTab" onclick="show(2);">Instance Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t4" class="tableTab" onclick="show(8);">Concrete Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t6" class="tableTab" onclick="show(32);">Deprecated Methods</button></div> |
| <div id="memberSummary_tabpanel" role="tabpanel"> |
| <table aria-labelledby="t0"> |
| <thead> |
| <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> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code><a href="RelCollationImpl.html" title="class in org.apache.calcite.rel">RelCollationImpl</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"> |
| <div class="block">Applies mapping to a given collation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <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 class="altColor" id="i2"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSingleton(int)">createSingleton</a></span>​(int fieldIndex)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equal(java.util.List,java.util.List)">equal</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>> collationList1, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>> collationList2)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <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>​(@Nullable <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> obj)</code></th> |
| <td class="colLast"> |
| <div class="block">See <a href="#EqualsHashCodeNote">note about equals() and hashCode()</a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldCollations()">getFieldCollations</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the ordinals and directions of the columns in this ordering.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code><a href="../plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</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 class="rowColor" id="i7"> |
| <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 class="altColor" id="i8"> |
| <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 class="rowColor" id="i9"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isValid(org.apache.calcite.rel.type.RelDataType,java.util.List,boolean)">isValid</a></span>​(<a href="type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>> collationList, |
| boolean fail)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i10"> |
| <td class="colFirst"><code>static <a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#of(java.util.List)">of</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>> fieldCollations)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i11"> |
| <td class="colFirst"><code>static <a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#of(org.apache.calcite.rel.RelFieldCollation...)">of</a></span>​(<a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>... fieldCollations)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i12"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ordinals(org.apache.calcite.rel.RelCollation)">ordinals</a></span>​(<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a> collation)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i13"> |
| <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 class="altColor" id="i14"> |
| <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 class="rowColor" id="i15"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></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 string representation of this collation, suitably terse given |
| that it will appear in plan traces.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from interface org.apache.calcite.rel.<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.rel.RelCollation"> |
| <!-- --> |
| </a><code><a href="RelCollation.html#getKeys()">getKeys</a></code></div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from interface org.apache.calcite.plan.<a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.plan.RelTrait"> |
| <!-- --> |
| </a><code><a href="../plan/RelTrait.html#isDefault()">isDefault</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li class="blockList"> |
| <section class="fieldDetails"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h2>Field Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="EMPTY">EMPTY</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public static final</span> <span class="returnType"><a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></span> <span class="memberName">EMPTY</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="PRESERVE">PRESERVE</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public static final</span> <span class="returnType"><a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></span> <span class="memberName">PRESERVE</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li class="blockList"> |
| <section class="constructorDetails"><a id="constructor.detail"> |
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| <h2>Constructor Details</h2> |
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| <section class="detail"> |
| <h3><a id="<init>(com.google.common.collect.ImmutableList)">RelCollationImpl</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected</span> <span class="memberName">RelCollationImpl</span>​(<span class="arguments">com.google.common.collect.ImmutableList<<a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>> fieldCollations)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li class="blockList"> |
| <section class="methodDetails"><a id="method.detail"> |
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| <h2>Method Details</h2> |
| <ul class="blockList"> |
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| <h3><a id="of(org.apache.calcite.rel.RelFieldCollation...)">of</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="returnType"><a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></span> <span class="memberName">of</span>​(<span class="arguments"><a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>... fieldCollations)</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </section> |
| </li> |
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| <section class="detail"> |
| <h3><a id="of(java.util.List)">of</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="returnType"><a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></span> <span class="memberName">of</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>> fieldCollations)</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getTraitDef()">getTraitDef</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a></span> <span class="memberName">getTraitDef</span>()</div> |
| <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> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getFieldCollations()">getFieldCollations</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>></span> <span class="memberName">getFieldCollations</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelCollation.html#getFieldCollations()">RelCollation</a></code></span></div> |
| <div class="block">Returns the ordinals and directions of the columns in this ordering.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelCollation.html#getFieldCollations()">getFieldCollations</a></code> in interface <code><a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></code></dd> |
| </dl> |
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| <h3><a id="hashCode()">hashCode</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">hashCode</span>()</div> |
| <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><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
| </dl> |
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| <section class="detail"> |
| <h3><a id="equals(java.lang.Object)">equals</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">equals</span>​(<span class="arguments">@Nullable <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> obj)</span></div> |
| <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><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
| </dl> |
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| <section class="detail"> |
| <h3><a id="isTop()">isTop</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">isTop</span>()</div> |
| <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> |
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| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="compareTo(org.apache.calcite.plan.RelMultipleTrait)">compareTo</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">compareTo</span>​(<span class="arguments"><a href="../plan/RelMultipleTrait.html" title="interface in org.apache.calcite.plan">RelMultipleTrait</a> o)</span></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true#compareTo(T)" title="class or interface in java.lang" class="externalLink">compareTo</a></code> in interface <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><<a href="../plan/RelMultipleTrait.html" title="interface in org.apache.calcite.plan">RelMultipleTrait</a>></code></dd> |
| </dl> |
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| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="register(org.apache.calcite.plan.RelOptPlanner)">register</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">void</span> <span class="memberName">register</span>​(<span class="arguments"><a href="../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a> planner)</span></div> |
| <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> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="apply(org.apache.calcite.util.mapping.Mappings.TargetMapping)">apply</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="RelCollationImpl.html" title="class in org.apache.calcite.rel">RelCollationImpl</a></span> <span class="memberName">apply</span>​(<span class="arguments"><a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a> mapping)</span></div> |
| <div class="block">Applies mapping to a given collation. |
| |
| If mapping destroys the collation prefix, this method returns an empty collation. |
| Examples of applying mappings to collation [0, 1]: |
| <ul> |
| <li>mapping(0, 1) => [0, 1]</li> |
| <li>mapping(1, 0) => [1, 0]</li> |
| <li>mapping(0) => [0]</li> |
| <li>mapping(1) => []</li> |
| <li>mapping(2, 0) => [1]</li> |
| <li>mapping(2, 1, 0) => [2, 1]</li> |
| <li>mapping(2, 1) => []</li> |
| </ul></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../plan/RelTrait.html#apply(org.apache.calcite.util.mapping.Mappings.TargetMapping)">apply</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>mapping</code> - Mapping</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Collation with applied mapping.</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="satisfies(org.apache.calcite.plan.RelTrait)">satisfies</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">satisfies</span>​(<span class="arguments"><a href="../plan/RelTrait.html" title="interface in org.apache.calcite.plan">RelTrait</a> trait)</span></div> |
| <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 <code>RelCompositeTrait</code>) |
| 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> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="toString()">toString</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">toString</span>()</div> |
| <div class="block">Returns a string representation of this collation, suitably terse given |
| that it will appear in plan traces. Examples: |
| "[]", "[2]", "[0 DESC, 1]", "[0 DESC, 1 ASC NULLS LAST]".</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> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="createSingleton(int)">createSingleton</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>></span> <span class="memberName">createSingleton</span>​(<span class="arguments">int fieldIndex)</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="isValid(org.apache.calcite.rel.type.RelDataType,java.util.List,boolean)">isValid</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="returnType">boolean</span> <span class="memberName">isValid</span>​(<span class="arguments"><a href="type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>> collationList, |
| boolean fail)</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="equal(java.util.List,java.util.List)">equal</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="returnType">boolean</span> <span class="memberName">equal</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>> collationList1, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>> collationList2)</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </section> |
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| <section class="detail"> |
| <h3><a id="ordinals(org.apache.calcite.rel.RelCollation)">ordinals</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>></span> <span class="memberName">ordinals</span>​(<span class="arguments"><a href="RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a> collation)</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
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