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<div class="subTitle">org.apache.drill.exec.physical.impl.metadata</div>
<h2 title="Class MetadataStreamAggBatch" class="title">Class MetadataStreamAggBatch</h2>
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<li><a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html" title="class in org.apache.drill.exec.record">org.apache.drill.exec.record.AbstractRecordBatch</a>&lt;<a href="../../../../../../../org/apache/drill/exec/physical/config/StreamingAggregate.html" title="class in org.apache.drill.exec.physical.config">StreamingAggregate</a>&gt;</li>
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<li><a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html" title="class in org.apache.drill.exec.physical.impl.aggregate">org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch</a></li>
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<li>org.apache.drill.exec.physical.impl.metadata.MetadataStreamAggBatch</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="../../../../../../../org/apache/drill/exec/record/VectorWrapper.html" title="interface in org.apache.drill.exec.record">VectorWrapper</a>&lt;?&gt;&gt;, <a href="../../../../../../../org/apache/drill/exec/record/CloseableRecordBatch.html" title="interface in org.apache.drill.exec.record">CloseableRecordBatch</a>, <a href="../../../../../../../org/apache/drill/exec/record/RecordBatch.html" title="interface in org.apache.drill.exec.record">RecordBatch</a>, <a href="../../../../../../../org/apache/drill/exec/record/VectorAccessible.html" title="interface in org.apache.drill.exec.record">VectorAccessible</a></dd>
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<pre>public class <span class="typeNameLabel">MetadataStreamAggBatch</span>
extends <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html" title="class in org.apache.drill.exec.physical.impl.aggregate">StreamingAggBatch</a></pre>
<div class="block">Operator which adds aggregate calls for all incoming columns to calculate
required metadata and produces aggregations. If aggregation is performed on
top of another aggregation, required aggregate calls for merging metadata
will be added.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.drill.exec.record.<a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html" title="class in org.apache.drill.exec.record">AbstractRecordBatch</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.BatchState.html" title="enum in org.apache.drill.exec.record">AbstractRecordBatch.BatchState</a></code></li>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.drill.exec.record.<a href="../../../../../../../org/apache/drill/exec/record/RecordBatch.html" title="interface in org.apache.drill.exec.record">RecordBatch</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/record/RecordBatch.IterOutcome.html" title="enum in org.apache.drill.exec.record">RecordBatch.IterOutcome</a></code></li>
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<h3>Fields inherited from class&nbsp;org.apache.drill.exec.physical.impl.aggregate.<a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html" title="class in org.apache.drill.exec.physical.impl.aggregate">StreamingAggBatch</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#aggregator">aggregator</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#incoming">incoming</a></code></li>
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<h3>Fields inherited from class&nbsp;org.apache.drill.exec.record.<a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html" title="class in org.apache.drill.exec.record">AbstractRecordBatch</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#batchStatsContext">batchStatsContext</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#container">container</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#context">context</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#oContext">oContext</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#popConfig">popConfig</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#state">state</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#stats">stats</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#unionTypeEnabled">unionTypeEnabled</a></code></li>
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<h3>Fields inherited from interface&nbsp;org.apache.drill.exec.record.<a href="../../../../../../../org/apache/drill/exec/record/RecordBatch.html" title="interface in org.apache.drill.exec.record">RecordBatch</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/record/RecordBatch.html#MAX_BATCH_ROW_COUNT">MAX_BATCH_ROW_COUNT</a></code></li>
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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/metadata/MetadataStreamAggBatch.html#MetadataStreamAggBatch-org.apache.drill.exec.physical.config.MetadataStreamAggPOP-org.apache.drill.exec.record.RecordBatch-org.apache.drill.exec.ops.FragmentContext-">MetadataStreamAggBatch</a></span>(<a href="../../../../../../../org/apache/drill/exec/physical/config/MetadataStreamAggPOP.html" title="class in org.apache.drill.exec.physical.config">MetadataStreamAggPOP</a>&nbsp;popConfig,
<a href="../../../../../../../org/apache/drill/exec/record/RecordBatch.html" title="interface in org.apache.drill.exec.record">RecordBatch</a>&nbsp;incoming,
<a href="../../../../../../../org/apache/drill/exec/ops/FragmentContext.html" title="interface in org.apache.drill.exec.ops">FragmentContext</a>&nbsp;context)</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggregator.html" title="interface in org.apache.drill.exec.physical.impl.aggregate">StreamingAggregator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/metadata/MetadataStreamAggBatch.html#createAggregatorInternal--">createAggregatorInternal</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>protected <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/common/logical/data/NamedExpression.html" title="class in org.apache.drill.common.logical.data">NamedExpression</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/impl/metadata/MetadataStreamAggBatch.html#getValueExpressions--">getValueExpressions</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.drill.exec.physical.impl.aggregate.<a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html" title="class in org.apache.drill.exec.physical.impl.aggregate">StreamingAggBatch</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#addComplexWriter-org.apache.drill.exec.vector.complex.writer.BaseWriter.ComplexWriter-">addComplexWriter</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#addRecordValues-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.common.expression.LogicalExpression:A-">addRecordValues</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#buildSchema--">buildSchema</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#cancelIncoming--">cancelIncoming</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#dump--">dump</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#getIndex-org.apache.drill.exec.expr.ClassGenerator-">getIndex</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#getKeyExpressions--">getKeyExpressions</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#getOutgoingContainer--">getOutgoingContainer</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#getRecordCount--">getRecordCount</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#innerNext--">innerNext</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#outputRecordKeys-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.exec.record.TypedFieldId:A-org.apache.drill.common.expression.LogicalExpression:A-">outputRecordKeys</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#outputRecordKeysPrev-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.exec.record.TypedFieldId:A-org.apache.drill.common.expression.LogicalExpression:A-">outputRecordKeysPrev</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#setMaxOutputRowCount-int-">setMaxOutputRowCount</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#setupIsSame-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.common.expression.LogicalExpression:A-">setupIsSame</a>, <a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#setupIsSameApart-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.common.expression.LogicalExpression:A-">setupIsSameApart</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.drill.exec.record.<a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html" title="class in org.apache.drill.exec.record">AbstractRecordBatch</a></h3>
<code><a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#cancel--">cancel</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#checkContinue--">checkContinue</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#close--">close</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getContainer--">getContainer</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getContext--">getContext</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getPopConfig--">getPopConfig</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getRecordBatchStatsContext--">getRecordBatchStatsContext</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getSchema--">getSchema</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getSelectionVector2--">getSelectionVector2</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getSelectionVector4--">getSelectionVector4</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getValueAccessorById-java.lang.Class-int...-">getValueAccessorById</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getValueVectorId-org.apache.drill.common.expression.SchemaPath-">getValueVectorId</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#getWritableBatch--">getWritableBatch</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#isRecordBatchStatsLoggingEnabled--">isRecordBatchStatsLoggingEnabled</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#iterator--">iterator</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#next--">next</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#next-int-org.apache.drill.exec.record.RecordBatch-">next</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#next-org.apache.drill.exec.record.RecordBatch-">next</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#schemaChangeException-org.apache.drill.exec.exception.SchemaChangeException-org.slf4j.Logger-">schemaChangeException</a>, <a href="../../../../../../../org/apache/drill/exec/record/AbstractRecordBatch.html#schemaChangeException-org.apache.drill.exec.exception.SchemaChangeException-java.lang.String-org.slf4j.Logger-">schemaChangeException</a></code></li>
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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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<h3>Methods inherited from interface&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#forEach-java.util.function.Consumer-" title="class or interface in java.lang">forEach</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#spliterator--" title="class or interface in java.lang">spliterator</a></code></li>
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<h3>Constructor Detail</h3>
<a name="MetadataStreamAggBatch-org.apache.drill.exec.physical.config.MetadataStreamAggPOP-org.apache.drill.exec.record.RecordBatch-org.apache.drill.exec.ops.FragmentContext-">
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<h4>MetadataStreamAggBatch</h4>
<pre>public&nbsp;MetadataStreamAggBatch(<a href="../../../../../../../org/apache/drill/exec/physical/config/MetadataStreamAggPOP.html" title="class in org.apache.drill.exec.physical.config">MetadataStreamAggPOP</a>&nbsp;popConfig,
<a href="../../../../../../../org/apache/drill/exec/record/RecordBatch.html" title="interface in org.apache.drill.exec.record">RecordBatch</a>&nbsp;incoming,
<a href="../../../../../../../org/apache/drill/exec/ops/FragmentContext.html" title="interface in org.apache.drill.exec.ops">FragmentContext</a>&nbsp;context)
throws <a href="../../../../../../../org/apache/drill/exec/exception/OutOfMemoryException.html" title="class in org.apache.drill.exec.exception">OutOfMemoryException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/exec/exception/OutOfMemoryException.html" title="class in org.apache.drill.exec.exception">OutOfMemoryException</a></code></dd>
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<a name="createAggregatorInternal--">
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<h4>createAggregatorInternal</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggregator.html" title="interface in org.apache.drill.exec.physical.impl.aggregate">StreamingAggregator</a>&nbsp;createAggregatorInternal()</pre>
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<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#createAggregatorInternal--">createAggregatorInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html" title="class in org.apache.drill.exec.physical.impl.aggregate">StreamingAggBatch</a></code></dd>
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<h4>getValueExpressions</h4>
<pre>protected&nbsp;<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/common/logical/data/NamedExpression.html" title="class in org.apache.drill.common.logical.data">NamedExpression</a>&gt;&nbsp;getValueExpressions()</pre>
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<dd><code><a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html#getValueExpressions--">getValueExpressions</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.html" title="class in org.apache.drill.exec.physical.impl.aggregate">StreamingAggBatch</a></code></dd>
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