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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.rel</a></div>
<h1 title="Class InvalidRelException" class="title">Class InvalidRelException</h1>
</div>
<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"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link">java.lang.Throwable</a>
<div class="inheritance"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">java.lang.Exception</a>
<div class="inheritance">org.apache.calcite.rel.InvalidRelException</div>
</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">InvalidRelException</span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div>
<div class="block">Exception that indicates that a relational expression would be invalid
with given parameters.
<p>This exception is thrown by the constructor of a subclass of
<a href="RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a> when given parameters it cannot accept. For example,
<code>EnumerableJoinRel</code> can only implement equi-joins, so its constructor
throws <code>InvalidRelException</code> when given the condition
<code>input0.x - input1.y = 2</code>.</p>
<p>Because the exception is checked (i.e. extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link"><code>Exception</code></a> but not
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/RuntimeException.html" title="class or interface in java.lang" class="external-link"><code>RuntimeException</code></a>), constructors that throw this exception will
declare this exception in their <code>throws</code> clause, and rules that create
those relational expressions will need to handle it. Usually a rule will
not take the exception personally, and will fail to match. The burden of
checking is removed from the rule, which means less code for the author of
the rule to maintain.</p>
<p>The caller that receives an <code>InvalidRelException</code> (typically a rule
attempting to create a relational expression) should log it at
the DEBUG level.</p></div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../serialized-form.html#org.apache.calcite.rel.InvalidRelException">Serialized Form</a></li>
</ul>
</dd>
</dl>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<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(java.lang.String)" class="member-name-link">InvalidRelException</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;message)</code></div>
<div class="col-last even-row-color">
<div class="block">Creates an InvalidRelException.</div>
</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(java.lang.String,java.lang.Throwable)" class="member-name-link">InvalidRelException</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;message,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link">Throwable</a>&nbsp;cause)</code></div>
<div class="col-last odd-row-color">
<div class="block">Creates an InvalidRelException with a cause.</div>
</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Throwable">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link">Throwable</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#addSuppressed(java.lang.Throwable)" title="class or interface in java.lang" class="external-link">addSuppressed</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#fillInStackTrace()" title="class or interface in java.lang" class="external-link">fillInStackTrace</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#getCause()" title="class or interface in java.lang" class="external-link">getCause</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#getLocalizedMessage()" title="class or interface in java.lang" class="external-link">getLocalizedMessage</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#getMessage()" title="class or interface in java.lang" class="external-link">getMessage</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#getStackTrace()" title="class or interface in java.lang" class="external-link">getStackTrace</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#getSuppressed()" title="class or interface in java.lang" class="external-link">getSuppressed</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#initCause(java.lang.Throwable)" title="class or interface in java.lang" class="external-link">initCause</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#printStackTrace()" title="class or interface in java.lang" class="external-link">printStackTrace</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#printStackTrace(java.io.PrintStream)" title="class or interface in java.lang" class="external-link">printStackTrace</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#printStackTrace(java.io.PrintWriter)" title="class or interface in java.lang" class="external-link">printStackTrace</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#setStackTrace(java.lang.StackTraceElement%5B%5D)" title="class or interface in java.lang" class="external-link">setStackTrace</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;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>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</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="&lt;init&gt;(java.lang.String)">
<h3>InvalidRelException</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">InvalidRelException</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;message)</span></div>
<div class="block">Creates an InvalidRelException.</div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.Throwable)">
<h3>InvalidRelException</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">InvalidRelException</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;message,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link">Throwable</a>&nbsp;cause)</span></div>
<div class="block">Creates an InvalidRelException with a cause.</div>
</section>
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