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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.adapter.enumerable</a></div> |
| <h1 title="Class EnumUtils" class="title">Class EnumUtils</h1> |
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| <div class="inheritance">org.apache.calcite.adapter.enumerable.EnumUtils</div> |
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| <section class="description"> |
| <hr> |
| <pre>public class <span class="typeNameLabel">EnumUtils</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></pre> |
| <div class="block">Utilities for generating programs in the Enumerable (functional) |
| style.</div> |
| </section> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <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/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></code></td> |
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| <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="t4" class="tableTab" onclick="show(8);">Concrete Methods</button></div> |
| <div id="memberSummary_tabpanel" role="tabpanel"> |
| <table aria-labelledby="t0"> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>static <a href="../../linq4j/tree/MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#call(java.lang.Class,java.lang.String,java.util.List)">call</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> clazz, |
| <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> methodName, |
| <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><? extends <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> arguments)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>static <a href="../../linq4j/tree/MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#call(java.lang.Class,java.lang.String,java.util.List,org.apache.calcite.linq4j.tree.Expression)">call</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> clazz, |
| <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> methodName, |
| <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><? extends <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> arguments, |
| <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> targetExpression)</code></th> |
| <td class="colLast"> |
| <div class="block">The powerful version of <code>org.apache.calcite.linq4j.tree.Expressions#call( |
| Type, String, Iterable<? extends Expression>)</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code>static <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#convert(org.apache.calcite.linq4j.tree.Expression,java.lang.reflect.Type)">convert</a></span>​(<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> operand, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> toType)</code></th> |
| <td class="colLast"> |
| <div class="block">Convert <code>operand</code> to target type <code>toType</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>static <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#convert(org.apache.calcite.linq4j.tree.Expression,java.lang.reflect.Type,java.lang.reflect.Type)">convert</a></span>​(<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> operand, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> fromType, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> toType)</code></th> |
| <td class="colLast"> |
| <div class="block">Convert <code>operand</code> to target type <code>toType</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code>static <T> T</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#evaluate(java.lang.Object,java.lang.Class)">evaluate</a></span>​(<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> o, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a><T> clazz)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts a value to a given class.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code>static <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#generateCollatorExpression(org.apache.calcite.sql.SqlCollation)">generateCollatorExpression</a></span>​(<a href="../../sql/SqlCollation.html" title="class in org.apache.calcite.sql">SqlCollation</a> collation)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code>static <a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><<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></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hopping(org.apache.calcite.linq4j.Enumerator,int,long,long,long)">hopping</a></span>​(<a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a><<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>[]> inputEnumerator, |
| int indexOfWatermarkedColumn, |
| long emitFrequency, |
| long windowSize, |
| long offset)</code></th> |
| <td class="colLast"> |
| <div class="block">Create enumerable implementation that applies hopping on each element from the input |
| enumerator and produces at least one element for each input element.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i7"> |
| <td class="colFirst"><code>static <a href="../../linq4j/tree/MethodDeclaration.html" title="class in org.apache.calcite.linq4j.tree">MethodDeclaration</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#overridingMethodDecl(java.lang.reflect.Method,java.lang.Iterable,org.apache.calcite.linq4j.tree.BlockStatement)">overridingMethodDecl</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Method</a> method, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a><<a href="../../linq4j/tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>> parameters, |
| <a href="../../linq4j/tree/BlockStatement.html" title="class in org.apache.calcite.linq4j.tree">BlockStatement</a> body)</code></th> |
| <td class="colLast"> |
| <div class="block">Declares a method that overrides another method.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i8"> |
| <td class="colFirst"><code>static <a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><<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></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sessionize(org.apache.calcite.linq4j.Enumerator,int,int,long)">sessionize</a></span>​(<a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a><<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>[]> inputEnumerator, |
| int indexOfWatermarkedColumn, |
| int indexOfKeyColumn, |
| long gap)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates enumerable implementation that applies sessionization to elements from the input |
| enumerator based on a specified key.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i9"> |
| <td class="colFirst"><code>static <TSource,​ |
| TResult><br><a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><TResult></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tumbling(org.apache.calcite.linq4j.Enumerable,org.apache.calcite.linq4j.function.Function1)">tumbling</a></span>​(<a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><TSource> inputEnumerable, |
| <a href="../../linq4j/function/Function1.html" title="interface in org.apache.calcite.linq4j.function">Function1</a><TSource,​TResult> outSelector)</code></th> |
| <td class="colLast"> |
| <div class="block">Apply tumbling per row from the enumerable input.</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#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/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#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</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#toString()" title="class or interface in java.lang" class="externalLink">toString</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"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| <h3><a id="LEFT_RIGHT">LEFT_RIGHT</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</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/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></span> <span class="memberName">LEFT_RIGHT</span></div> |
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| </section> |
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| <h2>Method Details</h2> |
| <ul class="blockList"> |
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| <section class="detail"> |
| <h3><a id="overridingMethodDecl(java.lang.reflect.Method,java.lang.Iterable,org.apache.calcite.linq4j.tree.BlockStatement)">overridingMethodDecl</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="../../linq4j/tree/MethodDeclaration.html" title="class in org.apache.calcite.linq4j.tree">MethodDeclaration</a></span> <span class="memberName">overridingMethodDecl</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Method</a> method, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a><<a href="../../linq4j/tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>> parameters, |
| <a href="../../linq4j/tree/BlockStatement.html" title="class in org.apache.calcite.linq4j.tree">BlockStatement</a> body)</span></div> |
| <div class="block">Declares a method that overrides another method.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="convert(org.apache.calcite.linq4j.tree.Expression,java.lang.reflect.Type)">convert</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></span> <span class="memberName">convert</span>​(<span class="arguments"><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> operand, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> toType)</span></div> |
| <div class="block">Convert <code>operand</code> to target type <code>toType</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>operand</code> - The expression to convert</dd> |
| <dd><code>toType</code> - Target type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new expression with type <code>toType</code> or original if there |
| is no need to convert</dd> |
| </dl> |
| </section> |
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| <section class="detail"> |
| <h3><a id="convert(org.apache.calcite.linq4j.tree.Expression,java.lang.reflect.Type,java.lang.reflect.Type)">convert</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></span> <span class="memberName">convert</span>​(<span class="arguments"><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> operand, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> fromType, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> toType)</span></div> |
| <div class="block">Convert <code>operand</code> to target type <code>toType</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>operand</code> - The expression to convert</dd> |
| <dd><code>fromType</code> - Field type</dd> |
| <dd><code>toType</code> - Target type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new expression with type <code>toType</code> or original if there |
| is no need to convert</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="evaluate(java.lang.Object,java.lang.Class)">evaluate</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="typeParameters"><T></span> <span class="returnType">T</span> <span class="memberName">evaluate</span>​(<span class="arguments"><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> o, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a><T> clazz)</span></div> |
| <div class="block">Converts a value to a given class.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="call(java.lang.Class,java.lang.String,java.util.List)">call</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="../../linq4j/tree/MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a></span> <span class="memberName">call</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> clazz, |
| <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> methodName, |
| <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><? extends <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> arguments)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="call(java.lang.Class,java.lang.String,java.util.List,org.apache.calcite.linq4j.tree.Expression)">call</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="../../linq4j/tree/MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a></span> <span class="memberName">call</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> clazz, |
| <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> methodName, |
| <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><? extends <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> arguments, |
| <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> targetExpression)</span></div> |
| <div class="block">The powerful version of <code>org.apache.calcite.linq4j.tree.Expressions#call( |
| Type, String, Iterable<? extends Expression>)</code>. Try best effort to convert the |
| accepted arguments to match parameter type.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - Class against which method is invoked</dd> |
| <dd><code>methodName</code> - Name of method</dd> |
| <dd><code>arguments</code> - argument expressions</dd> |
| <dd><code>targetExpression</code> - target expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>MethodCallExpression that call the given name method</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang" class="externalLink">RuntimeException</a></code> - if no suitable method found</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="sessionize(org.apache.calcite.linq4j.Enumerator,int,int,long)">sessionize</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><<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>[]></span> <span class="memberName">sessionize</span>​(<span class="arguments"><a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a><<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>[]> inputEnumerator, |
| int indexOfWatermarkedColumn, |
| int indexOfKeyColumn, |
| long gap)</span></div> |
| <div class="block">Creates enumerable implementation that applies sessionization to elements from the input |
| enumerator based on a specified key. Elements are windowed into sessions separated by |
| periods with no input for at least the duration specified by gap parameter.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="hopping(org.apache.calcite.linq4j.Enumerator,int,long,long,long)">hopping</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><<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>[]></span> <span class="memberName">hopping</span>​(<span class="arguments"><a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a><<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>[]> inputEnumerator, |
| int indexOfWatermarkedColumn, |
| long emitFrequency, |
| long windowSize, |
| long offset)</span></div> |
| <div class="block">Create enumerable implementation that applies hopping on each element from the input |
| enumerator and produces at least one element for each input element.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="tumbling(org.apache.calcite.linq4j.Enumerable,org.apache.calcite.linq4j.function.Function1)">tumbling</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="typeParameters"><TSource,​ |
| TResult></span> <span class="returnType"><a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><TResult></span> <span class="memberName">tumbling</span>​(<span class="arguments"><a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><TSource> inputEnumerable, |
| <a href="../../linq4j/function/Function1.html" title="interface in org.apache.calcite.linq4j.function">Function1</a><TSource,​TResult> outSelector)</span></div> |
| <div class="block">Apply tumbling per row from the enumerable input.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="generateCollatorExpression(org.apache.calcite.sql.SqlCollation)">generateCollatorExpression</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></span> <span class="memberName">generateCollatorExpression</span>​(<span class="arguments"><a href="../../sql/SqlCollation.html" title="class in org.apache.calcite.sql">SqlCollation</a> collation)</span></div> |
| </section> |
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