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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.util.trace</a></div> |
| <h1 title="Class CalciteTrace" class="title">Class CalciteTrace</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.util.trace.CalciteTrace</div> |
| </div> |
| <section class="description"> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">CalciteTrace</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">Contains all of the <code>tracers</code> used within |
| org.apache.calcite class libraries. |
| |
| <h2>Note to developers</h2> |
| |
| <p>Please ensure that every tracer used in org.apache.calcite is added to |
| this class as a <em>public static final</em> member called <code> |
| <i>component</i>Tracer</code>. For example, <a href="#getPlannerTracer()"><code>getPlannerTracer()</code></a> is the |
| tracer used by all classes which take part in the query planning process. |
| |
| <p>The javadoc in this file is the primary source of information on what |
| tracers are available, so the javadoc against each tracer member must be an |
| up-to-date description of what that tracer does. |
| |
| <p>In the class where the tracer is used, create a <em>private</em> (or |
| perhaps <em>protected</em>) <em>static final</em> member called <code> |
| tracer</code>.</div> |
| </section> |
| <section class="summary"> |
| <ul class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li class="blockList"> |
| <section class="fieldSummary"><a id="field.summary"> |
| <!-- --> |
| </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>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PARSER_LOGGER">PARSER_LOGGER</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The "org.apache.calcite.sql.parser" tracer reports parser events in |
| <a href="../../sql/parser/SqlParser.html" title="class in org.apache.calcite.sql.parser"><code>SqlParser</code></a> and other classes at DEBUG.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li class="blockList"> |
| <section class="constructorSummary"><a id="constructor.summary"> |
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| </a> |
| <h2>Constructor Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">CalciteTrace</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li class="blockList"> |
| <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="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> |
| <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>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/ThreadLocal.html?is-external=true" title="class or interface in java.lang" class="externalLink">ThreadLocal</a><@Nullable <a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang" class="externalLink">Void</a>,​<a href="https://docs.oracle.com/javase/9/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io" class="externalLink">File</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> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDynamicHandler()">getDynamicHandler</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Thread-local handler that is called with dynamically generated Java code.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParserTracer()">getParserTracer</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">The "org.apache.calcite.sql.parser" tracer reports parse events.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPlannerTaskTracer()">getPlannerTaskTracer</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Reports volcano planner optimization task events.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPlannerTracer()">getPlannerTracer</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">The "org.apache.calcite.plan.RelOptPlanner" tracer prints the query |
| optimization process.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRelImplementorTracer()">getRelImplementorTracer</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">The "org.apache.calcite.rel.RelImplementorImpl" tracer reports when |
| expressions are bound to variables (DEBUG, formerly FINE)</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRuleAttemptsTracer()">getRuleAttemptsTracer</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSqlTimingTracer()">getSqlTimingTracer</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">The tracer "org.apache.calcite.sql.timing" traces timing for |
| various stages of query processing.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i7"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSqlToRelTracer()">getSqlToRelTracer</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">The "org.apache.calcite.sql2rel" tracer reports parse events.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i8"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStatementTracer()">getStatementTracer</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">The "org.apache.calcite.prepare.Prepare" tracer prints the generated |
| program at DEBUG (formerly, FINE) or higher.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i9"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTestTracer(java.lang.Class)">getTestTracer</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><?> testClass)</code></th> |
| <td class="colLast"> |
| <div class="block">The tracers report important/useful information related with the execution |
| of unit tests.</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"> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| <h2>Field Details</h2> |
| <ul class="blockList"> |
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| <section class="detail"> |
| <h3><a id="PARSER_LOGGER">PARSER_LOGGER</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">PARSER_LOGGER</span></div> |
| <div class="block">The "org.apache.calcite.sql.parser" tracer reports parser events in |
| <a href="../../sql/parser/SqlParser.html" title="class in org.apache.calcite.sql.parser"><code>SqlParser</code></a> and other classes at DEBUG.</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li class="blockList"> |
| <section class="constructorDetails"><a id="constructor.detail"> |
| <!-- --> |
| </a> |
| <h2>Constructor Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="<init>()">CalciteTrace</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="memberName">CalciteTrace</span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li class="blockList"> |
| <section class="methodDetails"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h2>Method Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getPlannerTracer()">getPlannerTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getPlannerTracer</span>()</div> |
| <div class="block">The "org.apache.calcite.plan.RelOptPlanner" tracer prints the query |
| optimization process. |
| |
| <p>Levels: |
| |
| <ul> |
| <li><code>Logger.debug(String)</code> (formerly FINE) prints rules as they fire; |
| <li><code>Logger.trace(String)</code> (formerly FINER) prints and validates the whole expression |
| pool and rule queue as each rule fires; |
| <li><code>Logger.trace(String)</code> (formerly FINEST) also prints finer details like rule |
| importances. |
| </ul></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getPlannerTaskTracer()">getPlannerTaskTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getPlannerTaskTracer</span>()</div> |
| <div class="block">Reports volcano planner optimization task events.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getStatementTracer()">getStatementTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getStatementTracer</span>()</div> |
| <div class="block">The "org.apache.calcite.prepare.Prepare" tracer prints the generated |
| program at DEBUG (formerly, FINE) or higher.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getRelImplementorTracer()">getRelImplementorTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getRelImplementorTracer</span>()</div> |
| <div class="block">The "org.apache.calcite.rel.RelImplementorImpl" tracer reports when |
| expressions are bound to variables (DEBUG, formerly FINE)</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getSqlTimingTracer()">getSqlTimingTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getSqlTimingTracer</span>()</div> |
| <div class="block">The tracer "org.apache.calcite.sql.timing" traces timing for |
| various stages of query processing.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="CalciteTimingTracer.html" title="class in org.apache.calcite.util.trace"><code>CalciteTimingTracer</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getParserTracer()">getParserTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getParserTracer</span>()</div> |
| <div class="block">The "org.apache.calcite.sql.parser" tracer reports parse events.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getSqlToRelTracer()">getSqlToRelTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getSqlToRelTracer</span>()</div> |
| <div class="block">The "org.apache.calcite.sql2rel" tracer reports parse events.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getRuleAttemptsTracer()">getRuleAttemptsTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getRuleAttemptsTracer</span>()</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getTestTracer(java.lang.Class)">getTestTracer</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">org.slf4j.Logger</span> <span class="memberName">getTestTracer</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><?> testClass)</span></div> |
| <div class="block">The tracers report important/useful information related with the execution |
| of unit tests.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getDynamicHandler()">getDynamicHandler</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/ThreadLocal.html?is-external=true" title="class or interface in java.lang" class="externalLink">ThreadLocal</a><@Nullable <a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang" class="externalLink">Void</a>,​<a href="https://docs.oracle.com/javase/9/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io" class="externalLink">File</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">getDynamicHandler</span>()</div> |
| <div class="block">Thread-local handler that is called with dynamically generated Java code. |
| It exists for unit-testing. |
| The handler is never null; the default handler does nothing.</div> |
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