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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.calcite.piglet</a></div> |
| <h1 title="Class Handler" class="title">Class Handler</h1> |
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| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.calcite.piglet.Handler</div> |
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| <section class="class-description" id="class-description"> |
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| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">Handler</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div> |
| <div class="block">Walks over a Piglet AST and calls the corresponding methods in a |
| <a href="../tools/PigRelBuilder.html" title="class in org.apache.calcite.tools"><code>PigRelBuilder</code></a>.</div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
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| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.tools.PigRelBuilder)" class="member-name-link">Handler</a><wbr>(<a href="../tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> builder)</code></div> |
| <div class="col-last even-row-color"> </div> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <section class="method-summary" id="method-summary"> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#dump(org.apache.calcite.rel.RelNode)" class="member-name-link">dump</a><wbr>(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Executes a relational expression and prints the output.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="Handler.html" title="class in org.apache.calcite.piglet">Handler</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#handle(org.apache.calcite.piglet.Ast.Node)" class="member-name-link">handle</a><wbr>(<a href="Ast.Node.html" title="class in org.apache.calcite.piglet">Ast.Node</a> node)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Creates relational expressions for a given AST node.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
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| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>(org.apache.calcite.tools.PigRelBuilder)"> |
| <h3>Handler</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">Handler</span><wbr><span class="parameters">(<a href="../tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> builder)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="handle(org.apache.calcite.piglet.Ast.Node)"> |
| <h3>handle</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="Handler.html" title="class in org.apache.calcite.piglet">Handler</a></span> <span class="element-name">handle</span><wbr><span class="parameters">(<a href="Ast.Node.html" title="class in org.apache.calcite.piglet">Ast.Node</a> node)</span></div> |
| <div class="block">Creates relational expressions for a given AST node.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="dump(org.apache.calcite.rel.RelNode)"> |
| <h3>dump</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name">dump</span><wbr><span class="parameters">(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</span></div> |
| <div class="block">Executes a relational expression and prints the output. |
| |
| <p>The default implementation does nothing.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>rel</code> - Relational expression</dd> |
| </dl> |
| </section> |
| </li> |
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