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<h2 title="Uses of Interface org.apache.calcite.linq4j.function.Function" class="title">Uses of Interface<br>org.apache.calcite.linq4j.function.Function</h2>
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<table class="useSummary">
<caption><span>Packages that use <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.druid">org.apache.calcite.adapter.druid</a></th>
<td class="colLast">
<div class="block">Query provider based on a Druid database.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.enumerable">org.apache.calcite.adapter.enumerable</a></th>
<td class="colLast">
<div class="block">Query optimizer rules for Java calling convention.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.java">org.apache.calcite.adapter.java</a></th>
<td class="colLast">
<div class="block">Query provider based on Java in-memory data
structures.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.jdbc">org.apache.calcite.adapter.jdbc</a></th>
<td class="colLast">
<div class="block">Query provider based on a JDBC data source.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.spark">org.apache.calcite.adapter.spark</a></th>
<td class="colLast">
<div class="block">Adapter based on the Apache Spark data management system.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.linq4j.function">org.apache.calcite.linq4j.function</a></th>
<td class="colLast">
<div class="block">Contains definitions of functions and predicates.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.linq4j.tree">org.apache.calcite.linq4j.tree</a></th>
<td class="colLast">
<div class="block">Object model for Java expressions.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.type">org.apache.calcite.rel.type</a></th>
<td class="colLast">
<div class="block">Defines a type system for relational expressions.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.sql.validate">org.apache.calcite.sql.validate</a></th>
<td class="colLast">
<div class="block">SQL validation.</div>
</td>
</tr>
</tbody>
</table>
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<li class="blockList">
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<section role="region"><a id="org.apache.calcite.adapter.druid">
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<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../../adapter/druid/package-summary.html">org.apache.calcite.adapter.druid</a></h3>
<table class="useSummary">
<caption><span>Classes in <a href="../../../adapter/druid/package-summary.html">org.apache.calcite.adapter.druid</a> that implement <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../adapter/druid/DruidTable.MapRelProtoDataType.html" title="class in org.apache.calcite.adapter.druid">DruidTable.MapRelProtoDataType</a></span></code></th>
<td class="colLast">
<div class="block">Creates a <a href="../../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a> from a map of
field names and types.</div>
</td>
</tr>
</tbody>
</table>
</section>
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<section role="region"><a id="org.apache.calcite.adapter.enumerable">
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<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../../adapter/enumerable/package-summary.html">org.apache.calcite.adapter.enumerable</a></h3>
<table class="useSummary">
<caption><span>Classes in <a href="../../../adapter/enumerable/package-summary.html">org.apache.calcite.adapter.enumerable</a> that implement <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>private class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../adapter/enumerable/BasicAggregateLambdaFactory.AccumulatorAdderSeq.html" title="class in org.apache.calcite.adapter.enumerable">BasicAggregateLambdaFactory.AccumulatorAdderSeq</a></span></code></th>
<td class="colLast">
<div class="block">Decorator class of a sequence of accumulator adder functions.</div>
</td>
</tr>
</tbody>
</table>
</section>
</li>
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<section role="region"><a id="org.apache.calcite.adapter.java">
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<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../../adapter/java/package-summary.html">org.apache.calcite.adapter.java</a></h3>
<table class="useSummary">
<caption><span>Classes in <a href="../../../adapter/java/package-summary.html">org.apache.calcite.adapter.java</a> that implement <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../adapter/java/ReflectiveSchema.FieldSelector.html" title="class in org.apache.calcite.adapter.java">ReflectiveSchema.FieldSelector</a></span></code></th>
<td class="colLast">
<div class="block">Function that returns an array of a given object's field values.</div>
</td>
</tr>
</tbody>
</table>
</section>
</li>
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<section role="region"><a id="org.apache.calcite.adapter.jdbc">
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<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../../adapter/jdbc/package-summary.html">org.apache.calcite.adapter.jdbc</a></h3>
<table class="useSummary">
<caption><span>Classes in <a href="../../../adapter/jdbc/package-summary.html">org.apache.calcite.adapter.jdbc</a> that implement <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../adapter/jdbc/JdbcUtils.ObjectArrayRowBuilder.html" title="class in org.apache.calcite.adapter.jdbc">JdbcUtils.ObjectArrayRowBuilder</a></span></code></th>
<td class="colLast">
<div class="block">Builder that calls <code>ResultSet.getObject(int)</code> for every column,
or <code>getXxx</code> if the result type is a primitive <code>xxx</code>,
and returns an array of objects for each row.</div>
</td>
</tr>
</tbody>
</table>
</section>
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<section role="region"><a id="org.apache.calcite.adapter.spark">
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<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../../adapter/spark/package-summary.html">org.apache.calcite.adapter.spark</a></h3>
<table class="useSummary">
<caption><span>Classes in <a href="../../../adapter/spark/package-summary.html">org.apache.calcite.adapter.spark</a> that implement <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../adapter/spark/SparkRuntime.CalciteFlatMapFunction.html" title="class in org.apache.calcite.adapter.spark">SparkRuntime.CalciteFlatMapFunction</a>&lt;T,&#8203;R&gt;</span></code></th>
<td class="colLast">
<div class="block">Combines linq4j <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function"><code>Function</code></a>
and Spark <code>FlatMapFunction</code>.</div>
</td>
</tr>
</tbody>
</table>
</section>
</li>
<li class="blockList">
<section role="region"><a id="org.apache.calcite.linq4j.function">
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</a>
<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../package-summary.html">org.apache.calcite.linq4j.function</a></h3>
<table class="useSummary">
<caption><span>Subinterfaces of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../package-summary.html">org.apache.calcite.linq4j.function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../BigDecimalFunction1.html" title="interface in org.apache.calcite.linq4j.function">BigDecimalFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a <code>BigDecimal</code> value.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../DoubleFunction1.html" title="interface in org.apache.calcite.linq4j.function">DoubleFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a native <code>double</code> value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../FloatFunction1.html" title="interface in org.apache.calcite.linq4j.function">FloatFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a native <code>float</code> value.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../Function0.html" title="interface in org.apache.calcite.linq4j.function">Function0</a>&lt;R&gt;</span></code></th>
<td class="colLast">
<div class="block">Function with no parameters.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../Function1.html" title="interface in org.apache.calcite.linq4j.function">Function1</a>&lt;T0,&#8203;R&gt;</span></code></th>
<td class="colLast">
<div class="block">Function with one parameter.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a>&lt;T0,&#8203;T1,&#8203;R&gt;</span></code></th>
<td class="colLast">
<div class="block">Function with two parameters.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../IntegerFunction1.html" title="interface in org.apache.calcite.linq4j.function">IntegerFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a native <code>int</code> value.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../LongFunction1.html" title="interface in org.apache.calcite.linq4j.function">LongFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a native <code>long</code> value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../NullableBigDecimalFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableBigDecimalFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a <code>BigDecimal</code> value that
may be null.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../NullableDoubleFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableDoubleFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a <code>Double</code> value that
may be null.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../NullableFloatFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableFloatFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a <code>Float</code> value that
may be null.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../NullableIntegerFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableIntegerFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns an <code>Integer</code> value that
may be null.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../NullableLongFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableLongFunction1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function that takes one parameter and returns a <code>Long</code> value that
may be null.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../Predicate1.html" title="interface in org.apache.calcite.linq4j.function">Predicate1</a>&lt;T0&gt;</span></code></th>
<td class="colLast">
<div class="block">Function with one parameter returning a native <code>boolean</code> value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../Predicate2.html" title="interface in org.apache.calcite.linq4j.function">Predicate2</a>&lt;T0,&#8203;T1&gt;</span></code></th>
<td class="colLast">
<div class="block">Function with two parameters returning a native <code>boolean</code> value.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary">
<caption><span>Classes in <a href="../package-summary.html">org.apache.calcite.linq4j.function</a> that implement <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../Functions.Ignore.html" title="class in org.apache.calcite.linq4j.function">Functions.Ignore</a>&lt;R,&#8203;T0,&#8203;T1&gt;</span></code></th>
<td class="colLast">
<div class="block">Ignore.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary">
<caption><span>Fields in <a href="../package-summary.html">org.apache.calcite.linq4j.function</a> with type parameters of type <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<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>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>static java.util.Map&lt;java.lang.Class&lt;? extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&gt;,&#8203;java.lang.Class&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Functions.</span><code><span class="memberNameLink"><a href="../Functions.html#FUNCTION_RESULT_TYPES">FUNCTION_RESULT_TYPES</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static java.util.Map&lt;java.lang.Class,&#8203;java.lang.Class&lt;? extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&gt;&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Functions.</span><code><span class="memberNameLink"><a href="../Functions.html#FUNCTION1_CLASSES">FUNCTION1_CLASSES</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary">
<caption><span>Methods in <a href="../package-summary.html">org.apache.calcite.linq4j.function</a> that return types with arguments of type <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<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>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Class&lt;? extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Functions.</span><code><span class="memberNameLink"><a href="../Functions.html#functionClass(java.lang.reflect.Type)">functionClass</a></span>&#8203;(java.lang.reflect.Type&nbsp;aClass)</code></th>
<td class="colLast">
<div class="block">Returns the appropriate interface for a lambda function with
1 argument and the given return type.</div>
</td>
</tr>
</tbody>
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</li>
<li class="blockList">
<section role="region"><a id="org.apache.calcite.linq4j.tree">
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<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../tree/package-summary.html">org.apache.calcite.linq4j.tree</a></h3>
<table class="useSummary">
<caption><span>Classes in <a href="../../tree/package-summary.html">org.apache.calcite.linq4j.tree</a> with type parameters of type <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;?&gt;&gt;</span></code></th>
<td class="colLast">
<div class="block">Represents a strongly typed lambda expression as a data structure in the form
of an expression tree.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary">
<caption><span>Fields in <a href="../../tree/package-summary.html">org.apache.calcite.linq4j.tree</a> declared as <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<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>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../tree/FunctionExpression.html" title="type parameter in FunctionExpression">F</a></code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">FunctionExpression.</span><code><span class="memberNameLink"><a href="../../tree/FunctionExpression.html#dynamicFunction">dynamicFunction</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../tree/FunctionExpression.html" title="type parameter in FunctionExpression">F</a></code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">FunctionExpression.</span><code><span class="memberNameLink"><a href="../../tree/FunctionExpression.html#function">function</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary">
<caption><span>Methods in <a href="../../tree/package-summary.html">org.apache.calcite.linq4j.tree</a> with type parameters of type <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<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>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>static &lt;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;?&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(F)">lambda</a></span>&#8203;(F&nbsp;function)</code></th>
<td class="colLast">
<div class="block">Creates a FunctionExpression from an actual function.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static &lt;T,&#8203;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;? extends T&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(java.lang.Class,org.apache.calcite.linq4j.tree.BlockStatement,java.lang.Iterable)">lambda</a></span>&#8203;(java.lang.Class&lt;F&gt;&nbsp;type,
<a href="../../tree/BlockStatement.html" title="class in org.apache.calcite.linq4j.tree">BlockStatement</a>&nbsp;body,
java.lang.Iterable&lt;? extends <a href="../../tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>&gt;&nbsp;parameters)</code></th>
<td class="colLast">
<div class="block">Creates a LambdaExpression by first constructing a delegate
type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static &lt;T,&#8203;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;? extends T&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(java.lang.Class,org.apache.calcite.linq4j.tree.BlockStatement,org.apache.calcite.linq4j.tree.ParameterExpression...)">lambda</a></span>&#8203;(java.lang.Class&lt;F&gt;&nbsp;type,
<a href="../../tree/BlockStatement.html" title="class in org.apache.calcite.linq4j.tree">BlockStatement</a>&nbsp;body,
<a href="../../tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>...&nbsp;parameters)</code></th>
<td class="colLast">
<div class="block">Creates a LambdaExpression by first constructing a delegate
type, using varargs.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static &lt;T,&#8203;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;? extends T&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(java.lang.Class,org.apache.calcite.linq4j.tree.Expression,java.lang.Iterable)">lambda</a></span>&#8203;(java.lang.Class&lt;F&gt;&nbsp;type,
<a href="../../tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;body,
java.lang.Iterable&lt;? extends <a href="../../tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>&gt;&nbsp;parameters)</code></th>
<td class="colLast">
<div class="block">Creates a LambdaExpression by first constructing a delegate
type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static &lt;T,&#8203;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;? extends T&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(java.lang.Class,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.ParameterExpression...)">lambda</a></span>&#8203;(java.lang.Class&lt;F&gt;&nbsp;type,
<a href="../../tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;body,
<a href="../../tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>...&nbsp;parameters)</code></th>
<td class="colLast">
<div class="block">Creates a LambdaExpression by first constructing a delegate
type, using varargs.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static &lt;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;?&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(org.apache.calcite.linq4j.tree.BlockStatement,java.lang.Iterable)">lambda</a></span>&#8203;(<a href="../../tree/BlockStatement.html" title="class in org.apache.calcite.linq4j.tree">BlockStatement</a>&nbsp;body,
java.lang.Iterable&lt;? extends <a href="../../tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>&gt;&nbsp;parameters)</code></th>
<td class="colLast">
<div class="block">Creates a LambdaExpression by first constructing a delegate
type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static &lt;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;?&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(org.apache.calcite.linq4j.tree.BlockStatement,org.apache.calcite.linq4j.tree.ParameterExpression...)">lambda</a></span>&#8203;(<a href="../../tree/BlockStatement.html" title="class in org.apache.calcite.linq4j.tree">BlockStatement</a>&nbsp;body,
<a href="../../tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>...&nbsp;parameters)</code></th>
<td class="colLast">
<div class="block">Creates a LambdaExpression by first constructing a delegate
type, using varargs.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static &lt;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;?&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(org.apache.calcite.linq4j.tree.Expression,java.lang.Iterable)">lambda</a></span>&#8203;(<a href="../../tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;body,
java.lang.Iterable&lt;? extends <a href="../../tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>&gt;&nbsp;parameters)</code></th>
<td class="colLast">
<div class="block">Creates an Expression where the delegate type <code>F</code> is
known at compile time.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static &lt;F extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;?&gt;&gt;<br><a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;F&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Expressions.</span><code><span class="memberNameLink"><a href="../../tree/Expressions.html#lambda(org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.ParameterExpression...)">lambda</a></span>&#8203;(<a href="../../tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;body,
<a href="../../tree/ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>...&nbsp;parameters)</code></th>
<td class="colLast">
<div class="block">Creates an Expression where the delegate type <code>F</code> is
known at compile time, using varargs.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>&lt;T extends <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a>&lt;?&gt;&gt;<br>void</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">ExpressionVisitor.</span><code><span class="memberNameLink"><a href="../../tree/ExpressionVisitor.html#visitLambda(org.apache.calcite.linq4j.tree.FunctionExpression)">visitLambda</a></span>&#8203;(<a href="../../tree/FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&lt;T&gt;&nbsp;expression)</code></th>
<td class="colLast">
<div class="block">Visits the children of the delegate expression.</div>
</td>
</tr>
</tbody>
</table>
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<section role="region"><a id="org.apache.calcite.rel.type">
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<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../../rel/type/package-summary.html">org.apache.calcite.rel.type</a></h3>
<table class="useSummary">
<caption><span>Subinterfaces of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../../rel/type/package-summary.html">org.apache.calcite.rel.type</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../rel/type/RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></span></code></th>
<td class="colLast">
<div class="block">Can be converted into a <a href="../../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a> given a
<a href="../../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type"><code>RelDataTypeFactory</code></a>.</div>
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<h3>Uses of <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a> in <a href="../../../sql/validate/package-summary.html">org.apache.calcite.sql.validate</a></h3>
<table class="useSummary">
<caption><span>Classes in <a href="../../../sql/validate/package-summary.html">org.apache.calcite.sql.validate</a> that implement <a href="../Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>(package private) class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../sql/validate/SqlValidatorImpl.ValidationErrorFunction.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl.ValidationErrorFunction</a></span></code></th>
<td class="colLast">
<div class="block">Throws a validator exception with access to the validator context.</div>
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