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| <h2 title="接口 CustomColumnResolvingTable" class="title">接口 CustomColumnResolvingTable</h2> |
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| <dt>所有超级接口:</dt> |
| <dd><a href="../../../../org/apache/calcite/schema/Table.html" title="org.apache.calcite.schema中的接口">Table</a></dd> |
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| <pre>public interface <span class="typeNameLabel">CustomColumnResolvingTable</span> |
| extends <a href="../../../../org/apache/calcite/schema/Table.html" title="org.apache.calcite.schema中的接口">Table</a></pre> |
| <div class="block">Extension to <a href="../../../../org/apache/calcite/schema/Table.html" title="org.apache.calcite.schema中的接口"><code>Table</code></a> that specifies a custom way to resolve column |
| names. |
| |
| <p>It is optional for a Table to implement this interface. If Table does |
| not implement this interface, column resolving will be performed in the |
| default way.</p> |
| |
| <p><strong>NOTE: This class is experimental and subject to |
| change/removal without notice</strong>.</p></div> |
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| <h3>方法概要</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span></caption> |
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| <th class="colFirst" scope="col">限定符和类型</th> |
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| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/util/Pair.html" title="org.apache.calcite.util中的类">Pair</a><<a href="../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/schema/CustomColumnResolvingTable.html#resolveColumn-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-">resolveColumn</a></span>(<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> rowType, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> names)</code> |
| <div class="block">Resolve a column based on the name components.</div> |
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| <h3>从接口继承的方法 org.apache.calcite.schema.<a href="../../../../org/apache/calcite/schema/Table.html" title="org.apache.calcite.schema中的接口">Table</a></h3> |
| <code><a href="../../../../org/apache/calcite/schema/Table.html#getJdbcTableType--">getJdbcTableType</a>, <a href="../../../../org/apache/calcite/schema/Table.html#getRowType-org.apache.calcite.rel.type.RelDataTypeFactory-">getRowType</a>, <a href="../../../../org/apache/calcite/schema/Table.html#getStatistic--">getStatistic</a>, <a href="../../../../org/apache/calcite/schema/Table.html#isRolledUp-java.lang.String-">isRolledUp</a>, <a href="../../../../org/apache/calcite/schema/Table.html#rolledUpColumnValidInsideAgg-java.lang.String-org.apache.calcite.sql.SqlCall-org.apache.calcite.sql.SqlNode-org.apache.calcite.config.CalciteConnectionConfig-">rolledUpColumnValidInsideAgg</a></code></li> |
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| <h3>方法详细资料</h3> |
| <a name="resolveColumn-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-"> |
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| <h4>resolveColumn</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/util/Pair.html" title="org.apache.calcite.util中的类">Pair</a><<a href="../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>>>> resolveColumn(<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> rowType, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> names)</pre> |
| <div class="block">Resolve a column based on the name components. One or more the input name |
| components can be resolved to one field in the table row type, along with |
| a remainder list of name components which have not been resolved within |
| this call, and which in turn can be potentially resolved as sub-field |
| names. In the meantime, this method can return multiple matches, which is |
| a list of pairs containing the resolved field and the remaining name |
| components.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>rowType</code> - the table row type</dd> |
| <dd><code>typeFactory</code> - the type factory</dd> |
| <dd><code>names</code> - the name components to be resolved</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>a list of pairs containing the resolved field and the remaining |
| name components.</dd> |
| </dl> |
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