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| <h2 title="Interface CustomColumnResolvingTable" class="title">Interface CustomColumnResolvingTable</h2> |
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| <dd><code><a href="Table.html" title="interface in org.apache.calcite.schema">Table</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">CustomColumnResolvingTable</span> |
| extends <a href="Table.html" title="interface in org.apache.calcite.schema">Table</a></pre> |
| <div class="block">Extension to <a href="Table.html" title="interface in org.apache.calcite.schema"><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> |
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| <td class="colFirst"><code>java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>,​java.util.List<java.lang.String>>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resolveColumn(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List)">resolveColumn</a></span>​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType, |
| <a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| java.util.List<java.lang.String> names)</code></th> |
| <td class="colLast"> |
| <div class="block">Resolve a column based on the name components.</div> |
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| <h3>Methods inherited from interface org.apache.calcite.schema.<a href="Table.html" title="interface in org.apache.calcite.schema">Table</a></h3> |
| <code><a href="Table.html#getJdbcTableType()">getJdbcTableType</a>, <a href="Table.html#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)">getRowType</a>, <a href="Table.html#getStatistic()">getStatistic</a>, <a href="Table.html#isRolledUp(java.lang.String)">isRolledUp</a>, <a href="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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| <a id="resolveColumn(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List)"> |
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| <h4>resolveColumn</h4> |
| <pre class="methodSignature">java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>,​java.util.List<java.lang.String>>> resolveColumn​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType, |
| <a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| java.util.List<java.lang.String> 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">Parameters:</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">Returns:</span></dt> |
| <dd>a list of pairs containing the resolved field and the remaining |
| name components.</dd> |
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