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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.rel.type</a></div>
<h2 title="Class RelDataTypeFactory.Builder" class="title">Class RelDataTypeFactory.Builder</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.apache.calcite.rel.type.RelDataTypeFactory.Builder</li>
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<dt>Direct Known Subclasses:</dt>
<dd><code><a href="RelDataTypeFactory.FieldInfoBuilder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.FieldInfoBuilder</a></code></dd>
</dl>
<dl>
<dt>Enclosing interface:</dt>
<dd><a href="RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a></dd>
</dl>
<hr>
<pre>public static class <span class="typeNameLabel">RelDataTypeFactory.Builder</span>
extends java.lang.Object</pre>
<div class="block">Fluid API to build a list of fields.</div>
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<table class="memberSummary">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<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 <a href="StructKind.html" title="enum in org.apache.calcite.rel.type">StructKind</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#kind">kind</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.util.List&lt;java.lang.String&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#names">names</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#typeFactory">typeFactory</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.util.List&lt;<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#types">types</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<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(org.apache.calcite.rel.type.RelDataTypeFactory)">Builder</a></span>&#8203;(<a href="RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory)</code></th>
<td class="colLast">
<div class="block">Creates a Builder with the given type factory.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</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><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#add(java.lang.String,org.apache.calcite.avatica.util.TimeUnit,int,org.apache.calcite.avatica.util.TimeUnit,int)">add</a></span>&#8203;(java.lang.String&nbsp;name,
org.apache.calcite.avatica.util.TimeUnit&nbsp;startUnit,
int&nbsp;startPrecision,
org.apache.calcite.avatica.util.TimeUnit&nbsp;endUnit,
int&nbsp;fractionalSecondPrecision)</code></th>
<td class="colLast">
<div class="block">Adds a field with an interval type.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#add(java.lang.String,org.apache.calcite.rel.type.RelDataType)">add</a></span>&#8203;(java.lang.String&nbsp;name,
<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</code></th>
<td class="colLast">
<div class="block">Adds a field with given name and type.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#add(java.lang.String,org.apache.calcite.sql.type.SqlTypeName)">add</a></span>&#8203;(java.lang.String&nbsp;name,
<a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName)</code></th>
<td class="colLast">
<div class="block">Adds a field with a type created using
<a href="RelDataTypeFactory.html#createSqlType(org.apache.calcite.sql.type.SqlTypeName)"><code>RelDataTypeFactory.createSqlType(org.apache.calcite.sql.type.SqlTypeName)</code></a>.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#add(java.lang.String,org.apache.calcite.sql.type.SqlTypeName,int)">add</a></span>&#8203;(java.lang.String&nbsp;name,
<a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision)</code></th>
<td class="colLast">
<div class="block">Adds a field with a type created using
<a href="RelDataTypeFactory.html#createSqlType(org.apache.calcite.sql.type.SqlTypeName,int)"><code>RelDataTypeFactory.createSqlType(org.apache.calcite.sql.type.SqlTypeName, int)</code></a>.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#add(java.lang.String,org.apache.calcite.sql.type.SqlTypeName,int,int)">add</a></span>&#8203;(java.lang.String&nbsp;name,
<a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
int&nbsp;scale)</code></th>
<td class="colLast">
<div class="block">Adds a field with a type created using
<a href="RelDataTypeFactory.html#createSqlType(org.apache.calcite.sql.type.SqlTypeName,int,int)"><code>RelDataTypeFactory.createSqlType(org.apache.calcite.sql.type.SqlTypeName, int, int)</code></a>.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#add(org.apache.calcite.rel.type.RelDataTypeField)">add</a></span>&#8203;(<a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&nbsp;field)</code></th>
<td class="colLast">
<div class="block">Adds a field.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addAll(java.lang.Iterable)">addAll</a></span>&#8203;(java.lang.Iterable&lt;? extends java.util.Map.Entry&lt;java.lang.String,&#8203;<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&gt;&nbsp;fields)</code></th>
<td class="colLast">
<div class="block">Adds all fields in a collection.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#build()">build</a></span>()</code></th>
<td class="colLast">
<div class="block">Creates a struct type with the current contents of this builder.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#buildDynamic()">buildDynamic</a></span>()</code></th>
<td class="colLast">
<div class="block">Creates a dynamic struct type with the current contents of this
builder.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldCount()">getFieldCount</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the number of fields.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldName(int)">getFieldName</a></span>&#8203;(int&nbsp;index)</code></th>
<td class="colLast">
<div class="block">Returns the name of a given field.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldType(int)">getFieldType</a></span>&#8203;(int&nbsp;index)</code></th>
<td class="colLast">
<div class="block">Returns the type of a given field.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#kind(org.apache.calcite.rel.type.StructKind)">kind</a></span>&#8203;(<a href="StructKind.html" title="enum in org.apache.calcite.rel.type">StructKind</a>&nbsp;kind)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nameExists(java.lang.String)">nameExists</a></span>&#8203;(java.lang.String&nbsp;name)</code></th>
<td class="colLast">
<div class="block">Returns whether a field exists with the given name.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nullable(boolean)">nullable</a></span>&#8203;(boolean&nbsp;nullable)</code></th>
<td class="colLast">
<div class="block">Changes the nullability of the last field added.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#uniquify()">uniquify</a></span>()</code></th>
<td class="colLast">
<div class="block">Makes sure that field names are unique.</div>
</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Field Detail</h3>
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<h4>names</h4>
<pre>private final&nbsp;java.util.List&lt;java.lang.String&gt; names</pre>
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<h4>types</h4>
<pre>private final&nbsp;java.util.List&lt;<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt; types</pre>
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<h4>kind</h4>
<pre>private&nbsp;<a href="StructKind.html" title="enum in org.apache.calcite.rel.type">StructKind</a> kind</pre>
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<h4>typeFactory</h4>
<pre>private final&nbsp;<a href="RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory</pre>
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<a id="&lt;init&gt;(org.apache.calcite.rel.type.RelDataTypeFactory)">
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<h4>Builder</h4>
<pre>public&nbsp;Builder&#8203;(<a href="RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory)</pre>
<div class="block">Creates a Builder with the given type factory.</div>
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<h4>getFieldCount</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getFieldCount()</pre>
<div class="block">Returns the number of fields.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>number of fields</dd>
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<a id="getFieldName(int)">
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<h4>getFieldName</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getFieldName&#8203;(int&nbsp;index)</pre>
<div class="block">Returns the name of a given field.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - Ordinal of field</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Name of given field</dd>
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<h4>getFieldType</h4>
<pre class="methodSignature">public&nbsp;<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;getFieldType&#8203;(int&nbsp;index)</pre>
<div class="block">Returns the type of a given field.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - Ordinal of field</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Type of given field</dd>
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<a id="add(java.lang.String,org.apache.calcite.rel.type.RelDataType)">
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<h4>add</h4>
<pre class="methodSignature">public&nbsp;<a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a>&nbsp;add&#8203;(java.lang.String&nbsp;name,
<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</pre>
<div class="block">Adds a field with given name and type.</div>
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<a id="add(java.lang.String,org.apache.calcite.sql.type.SqlTypeName)">
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<h4>add</h4>
<pre class="methodSignature">public&nbsp;<a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a>&nbsp;add&#8203;(java.lang.String&nbsp;name,
<a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName)</pre>
<div class="block">Adds a field with a type created using
<a href="RelDataTypeFactory.html#createSqlType(org.apache.calcite.sql.type.SqlTypeName)"><code>RelDataTypeFactory.createSqlType(org.apache.calcite.sql.type.SqlTypeName)</code></a>.</div>
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<h4>add</h4>
<pre class="methodSignature">public&nbsp;<a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a>&nbsp;add&#8203;(java.lang.String&nbsp;name,
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<div class="block">Adds a field with a type created using
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<h4>add</h4>
<pre class="methodSignature">public&nbsp;<a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a>&nbsp;add&#8203;(java.lang.String&nbsp;name,
<a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
int&nbsp;scale)</pre>
<div class="block">Adds a field with a type created using
<a href="RelDataTypeFactory.html#createSqlType(org.apache.calcite.sql.type.SqlTypeName,int,int)"><code>RelDataTypeFactory.createSqlType(org.apache.calcite.sql.type.SqlTypeName, int, int)</code></a>.</div>
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<pre class="methodSignature">public&nbsp;<a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a>&nbsp;add&#8203;(java.lang.String&nbsp;name,
org.apache.calcite.avatica.util.TimeUnit&nbsp;startUnit,
int&nbsp;startPrecision,
org.apache.calcite.avatica.util.TimeUnit&nbsp;endUnit,
int&nbsp;fractionalSecondPrecision)</pre>
<div class="block">Adds a field with an interval type.</div>
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<pre class="methodSignature">public&nbsp;<a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a>&nbsp;nullable&#8203;(boolean&nbsp;nullable)</pre>
<div class="block">Changes the nullability of the last field added.</div>
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<pre class="methodSignature">public&nbsp;<a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a>&nbsp;add&#8203;(<a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&nbsp;field)</pre>
<div class="block">Adds a field. Field's ordinal is ignored.</div>
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<div class="block">Adds all fields in a collection.</div>
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<pre class="methodSignature">public&nbsp;<a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a>&nbsp;kind&#8203;(<a href="StructKind.html" title="enum in org.apache.calcite.rel.type">StructKind</a>&nbsp;kind)</pre>
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<pre class="methodSignature">public&nbsp;<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;buildDynamic()</pre>
<div class="block">Creates a dynamic struct type with the current contents of this
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