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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite</a></div> |
| <h1 title="Enum DataContext.Variable" class="title">Enum DataContext.Variable</h1> |
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| <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="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a>> |
| <div class="inheritance">org.apache.calcite.DataContext.Variable</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="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a>></code>, <code>java.lang.constant.Constable</code></dd> |
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| <dt>Enclosing interface:</dt> |
| <dd><a href="DataContext.html" title="interface in org.apache.calcite">DataContext</a></dd> |
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| <hr> |
| <pre>public static enum <span class="typeNameLabel">DataContext.Variable</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="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a>></pre> |
| <div class="block">Variable that may be asked for in a call to <a href="DataContext.html#get(java.lang.String)"><code>DataContext.get(java.lang.String)</code></a>.</div> |
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| <h2>Nested Class Summary</h2> |
| <div class="inheritedList"> |
| <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"> |
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| </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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| <!-- =========== ENUM CONSTANT SUMMARY =========== --> |
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| <section class="constantsSummary"><a id="enum.constant.summary"> |
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| </a> |
| <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="#CANCEL_FLAG">CANCEL_FLAG</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">A mutable flag that indicates whether user has requested that the |
| current statement be canceled.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#CURRENT_TIMESTAMP">CURRENT_TIMESTAMP</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The time at which the current statement started executing.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#LOCAL_TIMESTAMP">LOCAL_TIMESTAMP</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The time at which the current statement started executing.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#LOCALE">LOCALE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Locale in which the current statement is executing.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#SPARK_CONTEXT">SPARK_CONTEXT</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The Spark engine.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#SQL_ADVISOR">SQL_ADVISOR</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Advisor that suggests completion hints for SQL statements.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#STDERR">STDERR</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Writer to the standard error (stderr).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#STDIN">STDIN</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Reader on the standard input (stdin).</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#STDOUT">STDOUT</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Writer to the standard output (stdout).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#SYSTEM_USER">SYSTEM_USER</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The system user.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#TIME_ZONE">TIME_ZONE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Time zone in which the current statement is executing.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#TIMEOUT">TIMEOUT</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Query timeout in milliseconds.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#USER">USER</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The query user.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><code><span class="memberNameLink"><a href="#UTC_TIMESTAMP">UTC_TIMESTAMP</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
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| <h2>Field Summary</h2> |
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| <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="#camelName">camelName</a></span></code></th> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><code><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></code></td> |
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| <h2>Method Summary</h2> |
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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="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></div> |
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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" id="i0"> |
| <td class="colFirst"><code><T> T</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(org.apache.calcite.DataContext)">get</a></span>​(<a href="DataContext.html" title="interface in org.apache.calcite">DataContext</a> dataContext)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the value of this variable in a given data context.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>static <a href="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</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="altColor" id="i2"> |
| <td class="colFirst"><code>static <a href="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</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 =========== --> |
| <li class="blockList"> |
| <section class="constantDetails"><a id="enum.constant.detail"> |
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| </a> |
| <h2>Enum Constant Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="UTC_TIMESTAMP">UTC_TIMESTAMP</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a></span> <span class="memberName">UTC_TIMESTAMP</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="CURRENT_TIMESTAMP">CURRENT_TIMESTAMP</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a></span> <span class="memberName">CURRENT_TIMESTAMP</span></div> |
| <div class="block">The time at which the current statement started executing. In |
| milliseconds after 1970-01-01 00:00:00, UTC. Required.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="LOCAL_TIMESTAMP">LOCAL_TIMESTAMP</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a></span> <span class="memberName">LOCAL_TIMESTAMP</span></div> |
| <div class="block">The time at which the current statement started executing. In |
| milliseconds after 1970-01-01 00:00:00, in the time zone of the current |
| statement. Required.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="SPARK_CONTEXT">SPARK_CONTEXT</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a></span> <span class="memberName">SPARK_CONTEXT</span></div> |
| <div class="block">The Spark engine. Available if Spark is on the class path.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="CANCEL_FLAG">CANCEL_FLAG</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a></span> <span class="memberName">CANCEL_FLAG</span></div> |
| <div class="block">A mutable flag that indicates whether user has requested that the |
| current statement be canceled. Cancellation may not be immediate, but |
| implementations of relational operators should check the flag fairly |
| frequently and cease execution (e.g. by returning end of data).</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="TIMEOUT">TIMEOUT</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="DataContext.Variable.html" title="enum in org.apache.calcite">DataContext.Variable</a></span> <span class="memberName">TIMEOUT</span></div> |
| <div class="block">Query timeout in milliseconds. |
| When no timeout is set, the value is 0 or not present.</div> |
| </section> |
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