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<div class="subTitle">org.apache.drill.exec.physical.impl.protocol</div>
<h2 title="Class VectorContainerAccessor" class="title">Class VectorContainerAccessor</h2>
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<li>org.apache.drill.exec.physical.impl.protocol.VectorContainerAccessor</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/IndirectContainerAccessor.html" title="class in org.apache.drill.exec.physical.impl.protocol">IndirectContainerAccessor</a></dd>
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<pre>public class <span class="typeNameLabel">VectorContainerAccessor</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></pre>
<div class="block">Wraps a vector container and optional selection vector in an interface
simpler than the entire <a href="../../../../../../../org/apache/drill/exec/record/RecordBatch.html" title="interface in org.apache.drill.exec.record"><code>RecordBatch</code></a>. This implementation hosts
a container only.</div>
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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/VectorContainer.html" title="class in org.apache.drill.exec.record">VectorContainer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#container">container</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#VectorContainerAccessor--">VectorContainerAccessor</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#addBatch-org.apache.drill.exec.record.VectorContainer-">addBatch</a></span>(<a href="../../../../../../../org/apache/drill/exec/record/VectorContainer.html" title="class in org.apache.drill.exec.record">VectorContainer</a>&nbsp;container)</code>
<div class="block">Define an output batch.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#batchCount--">batchCount</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/record/VectorContainer.html" title="class in org.apache.drill.exec.record">VectorContainer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#container--">container</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/record/VectorWrapper.html" title="interface in org.apache.drill.exec.record">VectorWrapper</a>&lt;?&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#getValueAccessorById-java.lang.Class-int...-">getValueAccessorById</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;clazz,
int...&nbsp;ids)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/record/TypedFieldId.html" title="class in org.apache.drill.exec.record">TypedFieldId</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#getValueVectorId-org.apache.drill.common.expression.SchemaPath-">getValueVectorId</a></span>(<a href="../../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&nbsp;path)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/record/VectorWrapper.html" title="interface in org.apache.drill.exec.record">VectorWrapper</a>&lt;?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#release--">release</a></span>()</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#rowCount--">rowCount</a></span>()</code>&nbsp;</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/record/BatchSchema.html" title="class in org.apache.drill.exec.record">BatchSchema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#schema--">schema</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#schemaVersion--">schemaVersion</a></span>()</code>&nbsp;</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/record/selection/SelectionVector2.html" title="class in org.apache.drill.exec.record.selection">SelectionVector2</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#selectionVector2--">selectionVector2</a></span>()</code>&nbsp;</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/record/selection/SelectionVector4.html" title="class in org.apache.drill.exec.record.selection">SelectionVector4</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#selectionVector4--">selectionVector4</a></span>()</code>&nbsp;</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#setSchema-org.apache.drill.exec.record.VectorContainer-">setSchema</a></span>(<a href="../../../../../../../org/apache/drill/exec/record/VectorContainer.html" title="class in org.apache.drill.exec.record">VectorContainer</a>&nbsp;container)</code>
<div class="block">Define a schema that does not necessarily contain any data.</div>
</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/record/WritableBatch.html" title="class in org.apache.drill.exec.record">WritableBatch</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/VectorContainerAccessor.html#writableBatch--">writableBatch</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/VectorContainer.html" title="class in org.apache.drill.exec.record">VectorContainer</a> container</pre>
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<h4>VectorContainerAccessor</h4>
<pre>public&nbsp;VectorContainerAccessor()</pre>
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<a name="setSchema-org.apache.drill.exec.record.VectorContainer-">
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<h4>setSchema</h4>
<pre>public&nbsp;void&nbsp;setSchema(<a href="../../../../../../../org/apache/drill/exec/record/VectorContainer.html" title="class in org.apache.drill.exec.record">VectorContainer</a>&nbsp;container)</pre>
<div class="block">Define a schema that does not necessarily contain any data.
Call this to declare a schema when there are no results to
report.</div>
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<a name="addBatch-org.apache.drill.exec.record.VectorContainer-">
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<h4>addBatch</h4>
<pre>public&nbsp;void&nbsp;addBatch(<a href="../../../../../../../org/apache/drill/exec/record/VectorContainer.html" title="class in org.apache.drill.exec.record">VectorContainer</a>&nbsp;container)</pre>
<div class="block">Define an output batch. Called each time a new batch is sent
downstream. Checks if the schema of this batch is the same as
that of any previous batch, and updates the schema version if
the schema changes. May be called with the same container
as the previous call, or a different one. A schema change occurs
unless the vectors are identical across the two containers.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>container</code> - the container that holds vectors to be sent
downstream</dd>
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<pre>public&nbsp;int&nbsp;batchCount()</pre>
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<h4>schema</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/BatchSchema.html" title="class in org.apache.drill.exec.record">BatchSchema</a>&nbsp;schema()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html#schema--">schema</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></code></dd>
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<pre>public&nbsp;int&nbsp;schemaVersion()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html#schemaVersion--">schemaVersion</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></code></dd>
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<pre>public&nbsp;int&nbsp;rowCount()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html#rowCount--">rowCount</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/VectorContainer.html" title="class in org.apache.drill.exec.record">VectorContainer</a>&nbsp;container()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html#container--">container</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/TypedFieldId.html" title="class in org.apache.drill.exec.record">TypedFieldId</a>&nbsp;getValueVectorId(<a href="../../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&nbsp;path)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html#getValueVectorId-org.apache.drill.common.expression.SchemaPath-">getValueVectorId</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></code></dd>
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<h4>getValueAccessorById</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/VectorWrapper.html" title="interface in org.apache.drill.exec.record">VectorWrapper</a>&lt;?&gt;&nbsp;getValueAccessorById(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;clazz,
int...&nbsp;ids)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html#getValueAccessorById-java.lang.Class-int...-">getValueAccessorById</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></code></dd>
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<h4>writableBatch</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/WritableBatch.html" title="class in org.apache.drill.exec.record">WritableBatch</a>&nbsp;writableBatch()</pre>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/selection/SelectionVector2.html" title="class in org.apache.drill.exec.record.selection">SelectionVector2</a>&nbsp;selectionVector2()</pre>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/drill/exec/record/selection/SelectionVector4.html" title="class in org.apache.drill.exec.record.selection">SelectionVector4</a>&nbsp;selectionVector4()</pre>
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<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html#selectionVector4--">selectionVector4</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></code></dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/record/VectorWrapper.html" title="interface in org.apache.drill.exec.record">VectorWrapper</a>&lt;?&gt;&gt;&nbsp;iterator()</pre>
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<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html#iterator--">iterator</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/protocol/BatchAccessor.html" title="interface in org.apache.drill.exec.physical.impl.protocol">BatchAccessor</a></code></dd>
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<pre>public&nbsp;void&nbsp;release()</pre>
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