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<h2 title="接口 BuiltInMetadata.ColumnOrigin.Handler" class="title">接口 BuiltInMetadata.ColumnOrigin.Handler</h2>
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<dt>所有超级接口:</dt>
<dd><a href="../../../../../org/apache/calcite/rel/metadata/MetadataHandler.html" title="org.apache.calcite.rel.metadata中的接口">MetadataHandler</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.ColumnOrigin.html" title="org.apache.calcite.rel.metadata中的接口">BuiltInMetadata.ColumnOrigin</a>&gt;</dd>
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<dd><a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.ColumnOrigin.html" title="org.apache.calcite.rel.metadata中的接口">BuiltInMetadata.ColumnOrigin</a></dd>
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<pre>public static interface <span class="typeNameLabel">BuiltInMetadata.ColumnOrigin.Handler</span>
extends <a href="../../../../../org/apache/calcite/rel/metadata/MetadataHandler.html" title="org.apache.calcite.rel.metadata中的接口">MetadataHandler</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.ColumnOrigin.html" title="org.apache.calcite.rel.metadata中的接口">BuiltInMetadata.ColumnOrigin</a>&gt;</pre>
<div class="block">Handler API.</div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/RelColumnOrigin.html" title="org.apache.calcite.rel.metadata中的类">RelColumnOrigin</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.ColumnOrigin.Handler.html#getColumnOrigins-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.metadata.RelMetadataQuery-int-">getColumnOrigins</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;r,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
int&nbsp;outputColumn)</code>&nbsp;</td>
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<h3>从接口继承的方法&nbsp;org.apache.calcite.rel.metadata.<a href="../../../../../org/apache/calcite/rel/metadata/MetadataHandler.html" title="org.apache.calcite.rel.metadata中的接口">MetadataHandler</a></h3>
<code><a href="../../../../../org/apache/calcite/rel/metadata/MetadataHandler.html#getDef--">getDef</a></code></li>
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<h4>getColumnOrigins</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/RelColumnOrigin.html" title="org.apache.calcite.rel.metadata中的类">RelColumnOrigin</a>&gt;&nbsp;getColumnOrigins(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;r,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
int&nbsp;outputColumn)</pre>
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