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<div class="subTitle">org.apache.drill.exec.vector.accessor.writer</div>
<h2 title="Class MapWriter" class="title">Class MapWriter</h2>
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<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">org.apache.drill.exec.vector.accessor.writer.AbstractTupleWriter</a></li>
<li>
<ul class="inheritance">
<li>org.apache.drill.exec.vector.accessor.writer.MapWriter</li>
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<div class="description">
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../../org/apache/drill/exec/vector/accessor/ColumnWriter.html" title="interface in org.apache.drill.exec.vector.accessor">ColumnWriter</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/TupleWriter.html" title="interface in org.apache.drill.exec.vector.accessor">TupleWriter</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/WriterEvents.html" title="interface in org.apache.drill.exec.vector.accessor.writer">WriterEvents</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/WriterPosition.html" title="interface in org.apache.drill.exec.vector.accessor">WriterPosition</a></dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.ArrayMapWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">MapWriter.ArrayMapWriter</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.DummyArrayMapWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">MapWriter.DummyArrayMapWriter</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.DummyMapWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">MapWriter.DummyMapWriter</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.SingleMapWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">MapWriter.SingleMapWriter</a></dd>
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<pre>public abstract class <span class="typeNameLabel">MapWriter</span>
extends <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractTupleWriter</a></pre>
<div class="block">Writer for a Drill Map type. Maps are actually tuples, just like rows.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.ArrayMapWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">MapWriter.ArrayMapWriter</a></span></code>
<div class="block">Writer for a an array of maps.</div>
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<tr class="rowColor">
<td class="colFirst"><code>protected static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.DummyArrayMapWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">MapWriter.DummyArrayMapWriter</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>protected static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.DummyMapWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">MapWriter.DummyMapWriter</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.SingleMapWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">MapWriter.SingleMapWriter</a></span></code>
<div class="block">Writer for a single (non-array) map.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.drill.exec.vector.accessor.writer.<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractTupleWriter</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.TupleObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractTupleWriter.TupleObjectWriter</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.TupleWriterListener.html" title="interface in org.apache.drill.exec.vector.accessor.writer">AbstractTupleWriter.TupleWriterListener</a></code></li>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.drill.exec.vector.accessor.<a href="../../../../../../../org/apache/drill/exec/vector/accessor/TupleWriter.html" title="interface in org.apache.drill.exec.vector.accessor">TupleWriter</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/vector/accessor/TupleWriter.UndefinedColumnException.html" title="class in org.apache.drill.exec.vector.accessor">TupleWriter.UndefinedColumnException</a></code></li>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.drill.exec.vector.accessor.writer.<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/WriterEvents.html" title="interface in org.apache.drill.exec.vector.accessor.writer">WriterEvents</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/WriterEvents.ColumnWriterListener.html" title="interface in org.apache.drill.exec.vector.accessor.writer">WriterEvents.ColumnWriterListener</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/WriterEvents.State.html" title="enum in org.apache.drill.exec.vector.accessor.writer">WriterEvents.State</a></code></li>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.html#mapColumnSchema">mapColumnSchema</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.drill.exec.vector.accessor.writer.<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractTupleWriter</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#childIndex">childIndex</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#listener">listener</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#logger">logger</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#state">state</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#tupleSchema">tupleSchema</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#vectorIndex">vectorIndex</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#writers">writers</a></code></li>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.html#MapWriter-org.apache.drill.exec.record.metadata.ColumnMetadata-java.util.List-">MapWriter</a></span>(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&gt;&nbsp;writers)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.TupleObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractTupleWriter.TupleObjectWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.html#buildMap-org.apache.drill.exec.record.metadata.ColumnMetadata-org.apache.drill.exec.vector.complex.MapVector-java.util.List-">buildMap</a></span>(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="../../../../../../../org/apache/drill/exec/vector/complex/MapVector.html" title="class in org.apache.drill.exec.vector.complex">MapVector</a>&nbsp;vector,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&gt;&nbsp;writers)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractArrayWriter.ArrayObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractArrayWriter.ArrayObjectWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.html#buildMapArray-org.apache.drill.exec.record.metadata.ColumnMetadata-org.apache.drill.exec.vector.complex.RepeatedMapVector-java.util.List-">buildMapArray</a></span>(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="../../../../../../../org/apache/drill/exec/vector/complex/RepeatedMapVector.html" title="class in org.apache.drill.exec.vector.complex">RepeatedMapVector</a>&nbsp;mapVector,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&gt;&nbsp;writers)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.html#buildMapWriter-org.apache.drill.exec.record.metadata.ColumnMetadata-org.apache.drill.exec.vector.complex.AbstractMapVector-">buildMapWriter</a></span>(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="../../../../../../../org/apache/drill/exec/vector/complex/AbstractMapVector.html" title="class in org.apache.drill.exec.vector.complex">AbstractMapVector</a>&nbsp;vector)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.html#buildMapWriter-org.apache.drill.exec.record.metadata.ColumnMetadata-org.apache.drill.exec.vector.complex.AbstractMapVector-java.util.List-">buildMapWriter</a></span>(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="../../../../../../../org/apache/drill/exec/vector/complex/AbstractMapVector.html" title="class in org.apache.drill.exec.vector.complex">AbstractMapVector</a>&nbsp;vector,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&gt;&nbsp;writers)</code>&nbsp;</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/MapWriter.html#schema--">schema</a></span>()</code>
<div class="block">Returns the schema of the column associated with this writer.</div>
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<h3>Methods inherited from class&nbsp;org.apache.drill.exec.vector.accessor.writer.<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractTupleWriter</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#addColumn-org.apache.drill.exec.record.metadata.ColumnMetadata-">addColumn</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#addColumn-org.apache.drill.exec.record.MaterializedField-">addColumn</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#addColumnWriter-org.apache.drill.exec.vector.accessor.writer.AbstractObjectWriter-">addColumnWriter</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#array-int-">array</a>, <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.html#array-java.lang.String-">array</a>, <a 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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>mapColumnSchema</h4>
<pre>protected final&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a> mapColumnSchema</pre>
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<h4>MapWriter</h4>
<pre>protected&nbsp;MapWriter(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&gt;&nbsp;writers)</pre>
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<pre>public static&nbsp;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractTupleWriter.TupleObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractTupleWriter.TupleObjectWriter</a>&nbsp;buildMap(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="../../../../../../../org/apache/drill/exec/vector/complex/MapVector.html" title="class in org.apache.drill.exec.vector.complex">MapVector</a>&nbsp;vector,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&gt;&nbsp;writers)</pre>
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<pre>public static&nbsp;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractArrayWriter.ArrayObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractArrayWriter.ArrayObjectWriter</a>&nbsp;buildMapArray(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="../../../../../../../org/apache/drill/exec/vector/complex/RepeatedMapVector.html" title="class in org.apache.drill.exec.vector.complex">RepeatedMapVector</a>&nbsp;mapVector,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&gt;&nbsp;writers)</pre>
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<h4>buildMapWriter</h4>
<pre>public static&nbsp;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&nbsp;buildMapWriter(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="../../../../../../../org/apache/drill/exec/vector/complex/AbstractMapVector.html" title="class in org.apache.drill.exec.vector.complex">AbstractMapVector</a>&nbsp;vector,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&gt;&nbsp;writers)</pre>
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<pre>public static&nbsp;<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/AbstractObjectWriter.html" title="class in org.apache.drill.exec.vector.accessor.writer">AbstractObjectWriter</a>&nbsp;buildMapWriter(<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema,
<a href="../../../../../../../org/apache/drill/exec/vector/complex/AbstractMapVector.html" title="class in org.apache.drill.exec.vector.complex">AbstractMapVector</a>&nbsp;vector)</pre>
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<h4>schema</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/metadata/ColumnMetadata.html" title="interface in org.apache.drill.exec.record.metadata">ColumnMetadata</a>&nbsp;schema()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/vector/accessor/ColumnWriter.html#schema--">ColumnWriter</a></code></span></div>
<div class="block">Returns the schema of the column associated with this writer.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>schema for this writer's column</dd>
</dl>
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