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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.schema.impl</a></div> |
| <h2 title="Class TableFunctionImpl" class="title">Class TableFunctionImpl</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="ReflectiveFunctionBase.html" title="class in org.apache.calcite.schema.impl">org.apache.calcite.schema.impl.ReflectiveFunctionBase</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.schema.impl.TableFunctionImpl</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../Function.html" title="interface in org.apache.calcite.schema">Function</a></code>, <code><a href="../ImplementableFunction.html" title="interface in org.apache.calcite.schema">ImplementableFunction</a></code>, <code><a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">TableFunctionImpl</span> |
| extends <a href="ReflectiveFunctionBase.html" title="class in org.apache.calcite.schema.impl">ReflectiveFunctionBase</a> |
| implements <a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a>, <a href="../ImplementableFunction.html" title="interface in org.apache.calcite.schema">ImplementableFunction</a></pre> |
| <div class="block">Implementation of <a href="../TableFunction.html" title="interface in org.apache.calcite.schema"><code>TableFunction</code></a> based on a |
| method.</div> |
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| <h3>Nested classes/interfaces inherited from class org.apache.calcite.schema.impl.<a href="ReflectiveFunctionBase.html" title="class in org.apache.calcite.schema.impl">ReflectiveFunctionBase</a></h3> |
| <code><a href="ReflectiveFunctionBase.ParameterListBuilder.html" title="class in org.apache.calcite.schema.impl">ReflectiveFunctionBase.ParameterListBuilder</a></code></li> |
| </ul> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../adapter/enumerable/CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#implementor">implementor</a></span></code></th> |
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| <h3>Fields inherited from class org.apache.calcite.schema.impl.<a href="ReflectiveFunctionBase.html" title="class in org.apache.calcite.schema.impl">ReflectiveFunctionBase</a></h3> |
| <code><a href="ReflectiveFunctionBase.html#method">method</a>, <a href="ReflectiveFunctionBase.html#parameters">parameters</a></code></li> |
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| <th class="colFirst" scope="col">Modifier</th> |
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| <th class="colLast" scope="col">Description</th> |
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| <td class="colFirst"><code>private </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.reflect.Method,org.apache.calcite.adapter.enumerable.CallImplementor)">TableFunctionImpl</a></span>​(java.lang.reflect.Method method, |
| <a href="../../adapter/enumerable/CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a> implementor)</code></th> |
| <td class="colLast"> |
| <div class="block">Private constructor; use <a href="#create(java.lang.Class)"><code>create(java.lang.Class<?>)</code></a>.</div> |
| </td> |
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| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></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> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>private <a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(java.util.List)">apply</a></span>​(java.util.List<java.lang.Object> arguments)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#create(java.lang.Class)">create</a></span>​(java.lang.Class<?> clazz)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a <a href="TableFunctionImpl.html" title="class in org.apache.calcite.schema.impl"><code>TableFunctionImpl</code></a> from a class, looking for an "eval" |
| method.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#create(java.lang.Class,java.lang.String)">create</a></span>​(java.lang.Class<?> clazz, |
| java.lang.String methodName)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a <a href="TableFunctionImpl.html" title="class in org.apache.calcite.schema.impl"><code>TableFunctionImpl</code></a> from a class, looking for a method |
| with a given name.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#create(java.lang.reflect.Method)">create</a></span>​(java.lang.reflect.Method method)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a <a href="TableFunctionImpl.html" title="class in org.apache.calcite.schema.impl"><code>TableFunctionImpl</code></a> from a method.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private static <a href="../../adapter/enumerable/CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createImplementor(java.lang.reflect.Method)">createImplementor</a></span>​(java.lang.reflect.Method method)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>java.lang.reflect.Type</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getElementType(java.util.List)">getElementType</a></span>​(java.util.List<java.lang.Object> arguments)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the row type of the table yielded by this function when |
| applied to given arguments.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../adapter/enumerable/CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getImplementor()">getImplementor</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns implementor that translates the function to linq4j expression.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List)">getRowType</a></span>​(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| java.util.List<java.lang.Object> arguments)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the record type of the table yielded by this function when |
| applied to given arguments.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.schema.impl.ReflectiveFunctionBase"> |
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| </a> |
| <h3>Methods inherited from class org.apache.calcite.schema.impl.<a href="ReflectiveFunctionBase.html" title="class in org.apache.calcite.schema.impl">ReflectiveFunctionBase</a></h3> |
| <code><a href="ReflectiveFunctionBase.html#builder()">builder</a>, <a href="ReflectiveFunctionBase.html#classHasPublicZeroArgsConstructor(java.lang.Class)">classHasPublicZeroArgsConstructor</a>, <a href="ReflectiveFunctionBase.html#findMethod(java.lang.Class,java.lang.String)">findMethod</a>, <a href="ReflectiveFunctionBase.html#getParameters()">getParameters</a></code></li> |
| </ul> |
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| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.schema.Function"> |
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| </a> |
| <h3>Methods inherited from interface org.apache.calcite.schema.<a href="../Function.html" title="interface in org.apache.calcite.schema">Function</a></h3> |
| <code><a href="../Function.html#getParameters()">getParameters</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| <h3>Field Detail</h3> |
| <a id="implementor"> |
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| <h4>implementor</h4> |
| <pre>private final <a href="../../adapter/enumerable/CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a> implementor</pre> |
| </li> |
| </ul> |
| </li> |
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| <h3>Constructor Detail</h3> |
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| <h4>TableFunctionImpl</h4> |
| <pre>private TableFunctionImpl​(java.lang.reflect.Method method, |
| <a href="../../adapter/enumerable/CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a> implementor)</pre> |
| <div class="block">Private constructor; use <a href="#create(java.lang.Class)"><code>create(java.lang.Class<?>)</code></a>.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h4>create</h4> |
| <pre class="methodSignature">public static <a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a> create​(java.lang.Class<?> clazz)</pre> |
| <div class="block">Creates a <a href="TableFunctionImpl.html" title="class in org.apache.calcite.schema.impl"><code>TableFunctionImpl</code></a> from a class, looking for an "eval" |
| method. Returns null if there is no such method.</div> |
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| <h4>create</h4> |
| <pre class="methodSignature">public static <a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a> create​(java.lang.Class<?> clazz, |
| java.lang.String methodName)</pre> |
| <div class="block">Creates a <a href="TableFunctionImpl.html" title="class in org.apache.calcite.schema.impl"><code>TableFunctionImpl</code></a> from a class, looking for a method |
| with a given name. Returns null if there is no such method.</div> |
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| <h4>create</h4> |
| <pre class="methodSignature">public static <a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a> create​(java.lang.reflect.Method method)</pre> |
| <div class="block">Creates a <a href="TableFunctionImpl.html" title="class in org.apache.calcite.schema.impl"><code>TableFunctionImpl</code></a> from a method.</div> |
| </li> |
| </ul> |
| <a id="getRowType(org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List)"> |
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| <h4>getRowType</h4> |
| <pre class="methodSignature">public <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> getRowType​(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| java.util.List<java.lang.Object> arguments)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../TableFunction.html#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List)">TableFunction</a></code></span></div> |
| <div class="block">Returns the record type of the table yielded by this function when |
| applied to given arguments. Only literal arguments are passed, |
| non-literal are replaced with default values (null, 0, false, etc).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../TableFunction.html#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List)">getRowType</a></code> in interface <code><a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeFactory</code> - Type factory</dd> |
| <dd><code>arguments</code> - arguments of a function call (only literal arguments |
| are passed, nulls for non-literal ones)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>row type of the table</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getElementType(java.util.List)"> |
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| </a> |
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| <h4>getElementType</h4> |
| <pre class="methodSignature">public java.lang.reflect.Type getElementType​(java.util.List<java.lang.Object> arguments)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../TableFunction.html#getElementType(java.util.List)">TableFunction</a></code></span></div> |
| <div class="block">Returns the row type of the table yielded by this function when |
| applied to given arguments. Only literal arguments are passed, |
| non-literal are replaced with default values (null, 0, false, etc).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../TableFunction.html#getElementType(java.util.List)">getElementType</a></code> in interface <code><a href="../TableFunction.html" title="interface in org.apache.calcite.schema">TableFunction</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>arguments</code> - arguments of a function call (only literal arguments |
| are passed, nulls for non-literal ones)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>element type of the table (e.g. <code>Object[].class</code>)</dd> |
| </dl> |
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| <a id="getImplementor()"> |
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| <h4>getImplementor</h4> |
| <pre class="methodSignature">public <a href="../../adapter/enumerable/CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a> getImplementor()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../ImplementableFunction.html#getImplementor()">ImplementableFunction</a></code></span></div> |
| <div class="block">Returns implementor that translates the function to linq4j expression.</div> |
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| <dd><code><a href="../ImplementableFunction.html#getImplementor()">getImplementor</a></code> in interface <code><a href="../ImplementableFunction.html" title="interface in org.apache.calcite.schema">ImplementableFunction</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>implementor that translates the function to linq4j expression.</dd> |
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| <h4>createImplementor</h4> |
| <pre class="methodSignature">private static <a href="../../adapter/enumerable/CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a> createImplementor​(java.lang.reflect.Method method)</pre> |
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| <h4>apply</h4> |
| <pre class="methodSignature">private <a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> apply​(java.util.List<java.lang.Object> arguments)</pre> |
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