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| <li>Summary: </li> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.schema</a></div> |
| <h2 title="Interface TableFunction" class="title">Interface TableFunction</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="Function.html" title="interface in org.apache.calcite.schema">Function</a></code></dd> |
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| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="../sql/advise/SqlAdvisorGetHintsFunction.html" title="class in org.apache.calcite.sql.advise">SqlAdvisorGetHintsFunction</a></code>, <code><a href="../sql/advise/SqlAdvisorGetHintsFunction2.html" title="class in org.apache.calcite.sql.advise">SqlAdvisorGetHintsFunction2</a></code>, <code><a href="impl/TableFunctionImpl.html" title="class in org.apache.calcite.schema.impl">TableFunctionImpl</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">TableFunction</span> |
| extends <a href="Function.html" title="interface in org.apache.calcite.schema">Function</a></pre> |
| <div class="block">Function that returns a table during execution time. |
| |
| <p>In contrast with <code>TableMacro</code>, the result of the table is not known |
| until execution.</div> |
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| <h3>Method Summary</h3> |
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| <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>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="i1" 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> |
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| <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> |
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| <h4>getRowType</h4> |
| <pre class="methodSignature"><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">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="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> |
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| <h4>getElementType</h4> |
| <pre class="methodSignature">java.lang.reflect.Type getElementType​(java.util.List<java.lang.Object> arguments)</pre> |
| <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="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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