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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="Enum RelFieldCollation.Direction" class="title">Enum RelFieldCollation.Direction</h1> |
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| <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"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Enum</a><<a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a>> |
| <div class="inheritance">org.apache.calcite.rel.RelFieldCollation.Direction</div> |
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| <section class="description"> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink">Serializable</a></code>, <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="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a>></code>, <code>java.lang.constant.Constable</code></dd> |
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| <dt>Enclosing class:</dt> |
| <dd><a href="RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a></dd> |
| </dl> |
| <hr> |
| <pre>public static enum <span class="typeNameLabel">RelFieldCollation.Direction</span> |
| extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a><<a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a>></pre> |
| <div class="block">Direction that a field is ordered in.</div> |
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| <h2>Nested classes/interfaces inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a></h2> |
| <a id="nested.classes.inherited.from.class.java.lang.Enum"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.EnumDesc.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum.EnumDesc</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.EnumDesc.html?is-external=true" title="class or interface in java.lang" class="externalLink">E</a> extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.EnumDesc.html?is-external=true" title="class or interface in java.lang" class="externalLink">E</a>>></code></div> |
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| <h2>Enum Constant Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Enum Constants</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Enum Constant</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#ASCENDING">ASCENDING</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Ascending direction: A value is always followed by a greater or equal |
| value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#CLUSTERED">CLUSTERED</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Clustered direction: Values occur in no particular order, and the |
| same value may occur in contiguous groups, but never occurs after |
| that.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#DESCENDING">DESCENDING</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Descending direction: A value is always followed by a lesser or equal |
| value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#STRICTLY_ASCENDING">STRICTLY_ASCENDING</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Strictly ascending direction: A value is always followed by a greater |
| value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#STRICTLY_DESCENDING">STRICTLY_DESCENDING</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Strictly descending direction: A value is always followed by a lesser |
| value.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <section class="fieldSummary"><a id="field.summary"> |
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| </a> |
| <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><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="#shortString">shortString</a></span></code></th> |
| <td class="colLast"> </td> |
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| <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="RelFieldCollation.NullDirection.html" title="enum in org.apache.calcite.rel">RelFieldCollation.NullDirection</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#defaultNullDirection()">defaultNullDirection</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the null direction if not specified.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDescending()">isDescending</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this is <a href="#DESCENDING"><code>DESCENDING</code></a> or |
| <a href="#STRICTLY_DESCENDING"><code>STRICTLY_DESCENDING</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code><a href="../sql/validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#monotonicity()">monotonicity</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Converts the direction to a |
| <a href="../sql/validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate"><code>SqlMonotonicity</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>static <a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#of(org.apache.calcite.sql.validate.SqlMonotonicity)">of</a></span>​(<a href="../sql/validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a> monotonicity)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts a <a href="../sql/validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate"><code>SqlMonotonicity</code></a> to a direction.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code>static <a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#valueOf(java.lang.String)">valueOf</a></span>​(<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> name)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the enum constant of this type with the specified name.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code>static <a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a>[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#values()">values</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an array containing the constants of this enum type, in |
| the order they are declared.</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/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Enum"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.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/Enum.html?is-external=true#compareTo(E)" title="class or interface in java.lang" class="externalLink">compareTo</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true#describeConstable()" title="class or interface in java.lang" class="externalLink">describeConstable</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.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/Enum.html?is-external=true#getDeclaringClass()" title="class or interface in java.lang" class="externalLink">getDeclaringClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true#name()" title="class or interface in java.lang" class="externalLink">name</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true#ordinal()" title="class or interface in java.lang" class="externalLink">ordinal</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true#valueOf(java.lang.Class,java.lang.String)" title="class or interface in java.lang" class="externalLink">valueOf</a></code></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#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> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ============ ENUM CONSTANT DETAIL =========== --> |
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| <h3><a id="ASCENDING">ASCENDING</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></span> <span class="memberName">ASCENDING</span></div> |
| <div class="block">Ascending direction: A value is always followed by a greater or equal |
| value.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="STRICTLY_ASCENDING">STRICTLY_ASCENDING</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></span> <span class="memberName">STRICTLY_ASCENDING</span></div> |
| <div class="block">Strictly ascending direction: A value is always followed by a greater |
| value.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="DESCENDING">DESCENDING</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></span> <span class="memberName">DESCENDING</span></div> |
| <div class="block">Descending direction: A value is always followed by a lesser or equal |
| value.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="STRICTLY_DESCENDING">STRICTLY_DESCENDING</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></span> <span class="memberName">STRICTLY_DESCENDING</span></div> |
| <div class="block">Strictly descending direction: A value is always followed by a lesser |
| value.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="CLUSTERED">CLUSTERED</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></span> <span class="memberName">CLUSTERED</span></div> |
| <div class="block">Clustered direction: Values occur in no particular order, and the |
| same value may occur in contiguous groups, but never occurs after |
| that. This sort order tends to occur when values are ordered |
| according to a hash-key.</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ FIELD DETAIL =========== --> |
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| <section class="fieldDetails"><a id="field.detail"> |
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| </a> |
| <h2>Field Details</h2> |
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| <section class="detail"> |
| <h3><a id="shortString">shortString</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</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">shortString</span></div> |
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| <section class="detail"> |
| <h3><a id="values()">values</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a>[]</span> <span class="memberName">values</span>()</div> |
| <div class="block">Returns an array containing the constants of this enum type, in |
| the order they are declared.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array containing the constants of this enum type, in the order they are declared</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="valueOf(java.lang.String)">valueOf</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></span> <span class="memberName">valueOf</span>​(<span class="arguments"><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> name)</span></div> |
| <div class="block">Returns the enum constant of this type with the specified name. |
| The string must match <i>exactly</i> an identifier used to declare an |
| enum constant in this type. (Extraneous whitespace characters are |
| not permitted.)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the name of the enum constant to be returned.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the enum constant with the specified name</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if this enum type has no constant with the specified name</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang" class="externalLink">NullPointerException</a></code> - if the argument is null</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="monotonicity()">monotonicity</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../sql/validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></span> <span class="memberName">monotonicity</span>()</div> |
| <div class="block">Converts the direction to a |
| <a href="../sql/validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate"><code>SqlMonotonicity</code></a>.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="of(org.apache.calcite.sql.validate.SqlMonotonicity)">of</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="RelFieldCollation.Direction.html" title="enum in org.apache.calcite.rel">RelFieldCollation.Direction</a></span> <span class="memberName">of</span>​(<span class="arguments"><a href="../sql/validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a> monotonicity)</span></div> |
| <div class="block">Converts a <a href="../sql/validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate"><code>SqlMonotonicity</code></a> to a direction.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="defaultNullDirection()">defaultNullDirection</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/javax/annotation/Nonnull.html?is-external=true" title="class or interface in javax.annotation" class="externalLink">@Nonnull</a> |
| </span><span class="modifiers">public</span> <span class="returnType"><a href="RelFieldCollation.NullDirection.html" title="enum in org.apache.calcite.rel">RelFieldCollation.NullDirection</a></span> <span class="memberName">defaultNullDirection</span>()</div> |
| <div class="block">Returns the null direction if not specified. Consistent with Oracle, |
| NULLS are sorted as if they were positive infinity.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="isDescending()">isDescending</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">isDescending</span>()</div> |
| <div class="block">Returns whether this is <a href="#DESCENDING"><code>DESCENDING</code></a> or |
| <a href="#STRICTLY_DESCENDING"><code>STRICTLY_DESCENDING</code></a>.</div> |
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