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<div class="subTitle">org.apache.calcite.rel</div>
<h2 title="Interface RelInput" class="title">Interface RelInput</h2>
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<pre>public interface <span class="typeNameLabel">RelInput</span></pre>
<div class="block">Context from which a relational expression can initialize itself,
reading from a serialized form of the relational expression.</div>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rel/RelInput.html#get-java.lang.String-">get</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rel/core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>&gt;</code></td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a></code></td>
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<tr id="i3" class="rowColor">
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<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rel/RelInput.html#getBoolean-java.lang.String-boolean-">getBoolean</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag,
boolean&nbsp;default_)</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rel/RelInput.html#getCluster--">getCluster</a></span>()</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rel/RelInput.html#getCollation--">getCollation</a></span>()</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rel/RelInput.html#getDistribution--">getDistribution</a></span>()</code>&nbsp;</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>&lt;E extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a>&lt;E&gt;&gt;<br>E</code></td>
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<div class="block">Returns an enum value.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rel/RelInput.html#getExpression-java.lang.String-">getExpression</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</code>
<div class="block">Returns an expression.</div>
</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;</code></td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rel/RelInput.html#getFloat-java.lang.String-">getFloat</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</code>
<div class="block">Returns a <code>float</code> value.</div>
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<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rel/RelInput.html#getInput--">getInput</a></span>()</code>
<div class="block">Returns the input relational expression.</div>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;</code></td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</code></td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&gt;</code></td>
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<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
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<div class="block">Returns a <code>string</code> value.</div>
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<pre><a href="../../../../org/apache/calcite/plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a>&nbsp;getCluster()</pre>
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<pre><a href="../../../../org/apache/calcite/plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;getTraitSet()</pre>
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<pre><a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;getInput()</pre>
<div class="block">Returns the input relational expression. Throws if there is not precisely
one input.</div>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;getInputs()</pre>
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<pre><a href="../../../../org/apache/calcite/rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;getExpression(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</pre>
<div class="block">Returns an expression.</div>
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<pre><a href="../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;getBitSet(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</pre>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rel/core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>&gt;&nbsp;getAggregateCalls(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</pre>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;get(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</pre>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&gt;&nbsp;getIntegerListList(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</pre>
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<pre>boolean&nbsp;getBoolean(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag,
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