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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.materialize</a></div>
<h2 title="Class Lattice.Column" class="title">Class Lattice.Column</h2>
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<li>java.lang.Object</li>
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<li>org.apache.calcite.materialize.Lattice.Column</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code>java.lang.Comparable&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;</code></dd>
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<dt>Direct Known Subclasses:</dt>
<dd><code><a href="Lattice.BaseColumn.html" title="class in org.apache.calcite.materialize">Lattice.BaseColumn</a></code>, <code><a href="Lattice.DerivedColumn.html" title="class in org.apache.calcite.materialize">Lattice.DerivedColumn</a></code></dd>
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<dt>Enclosing class:</dt>
<dd><a href="Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a></dd>
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<pre>public abstract static class <span class="typeNameLabel">Lattice.Column</span>
extends java.lang.Object
implements java.lang.Comparable&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;</pre>
<div class="block">Column in a lattice. May be an a base column or an expression,
and may have an additional alias that is unique
within the entire lattice.</div>
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<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#alias">alias</a></span></code></th>
<td class="colLast">
<div class="block">Alias of the column, unique within the lattice.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ordinal">ordinal</a></span></code></th>
<td class="colLast">
<div class="block">Ordinal of the column within the lattice.</div>
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<td class="colFirst"><code>private </code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,java.lang.String)">Column</a></span>&#8203;(int&nbsp;ordinal,
java.lang.String&nbsp;alias)</code></th>
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<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#compareTo(org.apache.calcite.materialize.Lattice.Column)">compareTo</a></span>&#8203;(<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&nbsp;column)</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>abstract java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#defaultAlias()">defaultAlias</a></span>()</code></th>
<td class="colLast">
<div class="block">The alias that SQL would give to this expression.</div>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>&#8203;(java.lang.Object&nbsp;obj)</code></th>
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<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>(package private) static <a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toBitSet(java.util.List)">toBitSet</a></span>&#8203;(java.util.List&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;&nbsp;columns)</code></th>
<td class="colLast">
<div class="block">Converts a list of columns to a bit set of their ordinals.</div>
</td>
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<td class="colFirst"><code>abstract void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toSql(org.apache.calcite.materialize.Lattice.SqlWriter)">toSql</a></span>&#8203;(<a href="Lattice.SqlWriter.html" title="class in org.apache.calcite.materialize">Lattice.SqlWriter</a>&nbsp;writer)</code></th>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>ordinal</h4>
<pre>public final&nbsp;int ordinal</pre>
<div class="block">Ordinal of the column within the lattice.</div>
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<h4>alias</h4>
<pre>public final&nbsp;java.lang.String alias</pre>
<div class="block">Alias of the column, unique within the lattice. Derived from the column
name, automatically disambiguated if necessary.</div>
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<h4>Column</h4>
<pre>private&nbsp;Column&#8203;(int&nbsp;ordinal,
java.lang.String&nbsp;alias)</pre>
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<h4>toBitSet</h4>
<pre class="methodSignature">static&nbsp;<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;toBitSet&#8203;(java.util.List&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;&nbsp;columns)</pre>
<div class="block">Converts a list of columns to a bit set of their ordinals.</div>
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<h4>compareTo</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;compareTo&#8203;(<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&nbsp;column)</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>compareTo</code>&nbsp;in interface&nbsp;<code>java.lang.Comparable&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;</code></dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;hashCode()</pre>
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<h4>equals</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;equals&#8203;(java.lang.Object&nbsp;obj)</pre>
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<dd><code>equals</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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<h4>toSql</h4>
<pre class="methodSignature">public abstract&nbsp;void&nbsp;toSql&#8203;(<a href="Lattice.SqlWriter.html" title="class in org.apache.calcite.materialize">Lattice.SqlWriter</a>&nbsp;writer)</pre>
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<h4>defaultAlias</h4>
<pre class="methodSignature">public abstract&nbsp;java.lang.String&nbsp;defaultAlias()</pre>
<div class="block">The alias that SQL would give to this expression.</div>
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