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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.util.mapping</a></div> |
| <h2 title="Class AbstractTargetMapping" class="title">Class AbstractTargetMapping</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
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| <li><a href="Mappings.AbstractMapping.html" title="class in org.apache.calcite.util.mapping">org.apache.calcite.util.mapping.Mappings.AbstractMapping</a></li> |
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| <li>org.apache.calcite.util.mapping.AbstractTargetMapping</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.lang.Iterable<<a href="IntPair.html" title="class in org.apache.calcite.util.mapping">IntPair</a>></code>, <code><a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></code>, <code><a href="Mappings.CoreMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.CoreMapping</a></code>, <code><a href="Mappings.FunctionMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.FunctionMapping</a></code>, <code><a href="Mappings.SourceMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.SourceMapping</a></code>, <code><a href="Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a></code></dd> |
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| <hr> |
| <pre>public abstract class <span class="typeNameLabel">AbstractTargetMapping</span> |
| extends <a href="Mappings.AbstractMapping.html" title="class in org.apache.calcite.util.mapping">Mappings.AbstractMapping</a> |
| implements <a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></pre> |
| <div class="block">Simple implementation of |
| <a href="Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping"><code>Mappings.TargetMapping</code></a> where the |
| number of sources and targets are specified as constructor parameters and you |
| just need to implement one method,</div> |
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| <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> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sourceCount">sourceCount</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#targetCount">targetCount</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,int)">AbstractTargetMapping</a></span>​(int sourceCount, |
| int targetCount)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#clear()">clear</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Removes all elements in the mapping.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="MappingType.html" title="enum in org.apache.calcite.util.mapping">MappingType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMappingType()">getMappingType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the mapping type.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSourceCount()">getSourceCount</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the number of sources.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTargetCount()">getTargetCount</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the number of targets.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>abstract int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTargetOpt(int)">getTargetOpt</a></span>​(int source)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the target that a source maps to, or -1 if it is not mapped.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#inverse()">inverse</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>java.util.Iterator<<a href="IntPair.html" title="class in org.apache.calcite.util.mapping">IntPair</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#iterator()">iterator</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an iterator over the elements in this mapping.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#size()">size</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the number of elements in the mapping.</div> |
| </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.util.mapping.Mappings.AbstractMapping"> |
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| </a> |
| <h3>Methods inherited from class org.apache.calcite.util.mapping.<a href="Mappings.AbstractMapping.html" title="class in org.apache.calcite.util.mapping">Mappings.AbstractMapping</a></h3> |
| <code><a href="Mappings.AbstractMapping.html#getSource(int)">getSource</a>, <a href="Mappings.AbstractMapping.html#getSourceOpt(int)">getSourceOpt</a>, <a href="Mappings.AbstractMapping.html#getTarget(int)">getTarget</a>, <a href="Mappings.AbstractMapping.html#isIdentity()">isIdentity</a>, <a href="Mappings.AbstractMapping.html#set(int,int)">set</a>, <a href="Mappings.AbstractMapping.html#toString()">toString</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, wait, wait, wait</code></li> |
| </ul> |
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| </a> |
| <h3>Methods inherited from interface java.lang.Iterable</h3> |
| <code>forEach, spliterator</code></li> |
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| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.util.mapping.Mapping"> |
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| </a> |
| <h3>Methods inherited from interface org.apache.calcite.util.mapping.<a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></h3> |
| <code><a href="Mapping.html#isIdentity()">isIdentity</a></code></li> |
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| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.util.mapping.Mappings.SourceMapping"> |
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| <h3>Methods inherited from interface org.apache.calcite.util.mapping.<a href="Mappings.SourceMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.SourceMapping</a></h3> |
| <code><a href="Mappings.SourceMapping.html#getSource(int)">getSource</a>, <a href="Mappings.SourceMapping.html#getSourceOpt(int)">getSourceOpt</a></code></li> |
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| </a> |
| <h3>Methods inherited from interface org.apache.calcite.util.mapping.<a href="Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a></h3> |
| <code><a href="Mappings.TargetMapping.html#getSourceOpt(int)">getSourceOpt</a>, <a href="Mappings.TargetMapping.html#getTarget(int)">getTarget</a>, <a href="Mappings.TargetMapping.html#set(int,int)">set</a></code></li> |
| </ul> |
| </li> |
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| </section> |
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| <div class="details"> |
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| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| </a> |
| <h3>Field Detail</h3> |
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| <h4>sourceCount</h4> |
| <pre>private final int sourceCount</pre> |
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| <h4>targetCount</h4> |
| <pre>private final int targetCount</pre> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <h4>AbstractTargetMapping</h4> |
| <pre>public AbstractTargetMapping​(int sourceCount, |
| int targetCount)</pre> |
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| </ul> |
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| <h4>getSourceCount</h4> |
| <pre class="methodSignature">public int getSourceCount()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Mapping.html#getSourceCount()">Mapping</a></code></span></div> |
| <div class="block">Returns the number of sources. Valid sources will be in the range 0 .. |
| sourceCount.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mapping.html#getSourceCount()">getSourceCount</a></code> in interface <code><a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.FunctionMapping.html#getSourceCount()">getSourceCount</a></code> in interface <code><a href="Mappings.FunctionMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.FunctionMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.SourceMapping.html#getSourceCount()">getSourceCount</a></code> in interface <code><a href="Mappings.SourceMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.SourceMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.TargetMapping.html#getSourceCount()">getSourceCount</a></code> in interface <code><a href="Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Mappings.AbstractMapping.html#getSourceCount()">getSourceCount</a></code> in class <code><a href="Mappings.AbstractMapping.html" title="class in org.apache.calcite.util.mapping">Mappings.AbstractMapping</a></code></dd> |
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| <h4>getTargetCount</h4> |
| <pre class="methodSignature">public int getTargetCount()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Mapping.html#getTargetCount()">Mapping</a></code></span></div> |
| <div class="block">Returns the number of targets. Valid targets will be in the range 0 .. |
| targetCount.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mapping.html#getTargetCount()">getTargetCount</a></code> in interface <code><a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.SourceMapping.html#getTargetCount()">getTargetCount</a></code> in interface <code><a href="Mappings.SourceMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.SourceMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.TargetMapping.html#getTargetCount()">getTargetCount</a></code> in interface <code><a href="Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Mappings.AbstractMapping.html#getTargetCount()">getTargetCount</a></code> in class <code><a href="Mappings.AbstractMapping.html" title="class in org.apache.calcite.util.mapping">Mappings.AbstractMapping</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="inverse()"> |
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| </a> |
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| <h4>inverse</h4> |
| <pre class="methodSignature">public <a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a> inverse()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.SourceMapping.html#inverse()">inverse</a></code> in interface <code><a href="Mappings.SourceMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.SourceMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.TargetMapping.html#inverse()">inverse</a></code> in interface <code><a href="Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="size()"> |
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| </a> |
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| <h4>size</h4> |
| <pre class="methodSignature">public int size()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Mapping.html#size()">Mapping</a></code></span></div> |
| <div class="block">Returns the number of elements in the mapping.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mapping.html#size()">size</a></code> in interface <code><a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.CoreMapping.html#size()">size</a></code> in interface <code><a href="Mappings.CoreMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.CoreMapping</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="clear()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clear</h4> |
| <pre class="methodSignature">public void clear()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Mapping.html#clear()">Mapping</a></code></span></div> |
| <div class="block">Removes all elements in the mapping.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mapping.html#clear()">clear</a></code> in interface <code><a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getMappingType()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMappingType</h4> |
| <pre class="methodSignature">public <a href="MappingType.html" title="enum in org.apache.calcite.util.mapping">MappingType</a> getMappingType()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Mappings.CoreMapping.html#getMappingType()">Mappings.CoreMapping</a></code></span></div> |
| <div class="block">Returns the mapping type.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mapping.html#getMappingType()">getMappingType</a></code> in interface <code><a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.CoreMapping.html#getMappingType()">getMappingType</a></code> in interface <code><a href="Mappings.CoreMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.CoreMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.FunctionMapping.html#getMappingType()">getMappingType</a></code> in interface <code><a href="Mappings.FunctionMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.FunctionMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.SourceMapping.html#getMappingType()">getMappingType</a></code> in interface <code><a href="Mappings.SourceMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.SourceMapping</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Mapping type</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="iterator()"> |
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| </a> |
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| <h4>iterator</h4> |
| <pre class="methodSignature">public java.util.Iterator<<a href="IntPair.html" title="class in org.apache.calcite.util.mapping">IntPair</a>> iterator()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Mapping.html#iterator()">Mapping</a></code></span></div> |
| <div class="block">Returns an iterator over the elements in this mapping. |
| |
| <p>This method is optional; implementations may throw |
| <code>UnsupportedOperationException</code>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>iterator</code> in interface <code>java.lang.Iterable<<a href="IntPair.html" title="class in org.apache.calcite.util.mapping">IntPair</a>></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mapping.html#iterator()">iterator</a></code> in interface <code><a href="Mapping.html" title="interface in org.apache.calcite.util.mapping">Mapping</a></code></dd> |
| </dl> |
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| </ul> |
| <a id="getTargetOpt(int)"> |
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| <li class="blockList"> |
| <h4>getTargetOpt</h4> |
| <pre class="methodSignature">public abstract int getTargetOpt​(int source)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Mappings.FunctionMapping.html#getTargetOpt(int)">Mappings.FunctionMapping</a></code></span></div> |
| <div class="block">Returns the target that a source maps to, or -1 if it is not mapped.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.FunctionMapping.html#getTargetOpt(int)">getTargetOpt</a></code> in interface <code><a href="Mappings.FunctionMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.FunctionMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.SourceMapping.html#getTargetOpt(int)">getTargetOpt</a></code> in interface <code><a href="Mappings.SourceMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.SourceMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Mappings.TargetMapping.html#getTargetOpt(int)">getTargetOpt</a></code> in interface <code><a href="Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Mappings.AbstractMapping.html#getTargetOpt(int)">getTargetOpt</a></code> in class <code><a href="Mappings.AbstractMapping.html" title="class in org.apache.calcite.util.mapping">Mappings.AbstractMapping</a></code></dd> |
| </dl> |
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