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| <div class="subTitle">org.apache.drill.exec.physical.resultSet.impl</div> |
| <h2 title="Class ListState.ListVectorState" class="title">Class ListState.ListVectorState</h2> |
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| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <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> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.drill.exec.physical.resultSet.impl.ListState.ListVectorState</li> |
| </ul> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></dd> |
| </dl> |
| <dl> |
| <dt>Enclosing class:</dt> |
| <dd><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.html" title="class in org.apache.drill.exec.physical.resultSet.impl">ListState</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>protected static class <span class="typeNameLabel">ListState.ListVectorState</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/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></pre> |
| <div class="block">Wrapper around the list vector (and its optional contained union). |
| Manages the state of the "overhead" vectors such as the bits and |
| offset vectors for the list, and (via the union vector state) the |
| types vector for the union. The union vector state starts of as |
| a dummy state (before the list has been "promoted" to a union) |
| then becomes populated with the union state once the list is |
| promoted.</div> |
| </li> |
| </ul> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#ListVectorState-org.apache.drill.exec.vector.accessor.writer.ListWriterImpl-org.apache.drill.exec.vector.accessor.writer.WriterEvents-org.apache.drill.exec.vector.complex.ListVector-">ListVectorState</a></span>(<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/ListWriterImpl.html" title="class in org.apache.drill.exec.vector.accessor.writer">ListWriterImpl</a> writer, |
| <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/WriterEvents.html" title="interface in org.apache.drill.exec.vector.accessor.writer">WriterEvents</a> elementWriter, |
| <a href="../../../../../../../org/apache/drill/exec/vector/complex/ListVector.html" title="class in org.apache.drill.exec.vector.complex">ListVector</a> vector)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#ListVectorState-org.apache.drill.exec.vector.accessor.writer.UnionWriterImpl-org.apache.drill.exec.vector.complex.ListVector-">ListVectorState</a></span>(<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/UnionWriterImpl.html" title="class in org.apache.drill.exec.vector.accessor.writer">UnionWriterImpl</a> writer, |
| <a href="../../../../../../../org/apache/drill/exec/vector/complex/ListVector.html" title="class in org.apache.drill.exec.vector.complex">ListVector</a> vector)</code> </td> |
| </tr> |
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| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#allocate-int-">allocate</a></span>(int cardinality)</code> |
| <div class="block">Allocate a new vector with the number of elements given.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#close--">close</a></span>()</code> |
| <div class="block">Clear the vector(s) associated with this state.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#dump-org.apache.drill.exec.vector.accessor.impl.HierarchicalFormatter-">dump</a></span>(<a href="../../../../../../../org/apache/drill/exec/vector/accessor/impl/HierarchicalFormatter.html" title="interface in org.apache.drill.exec.vector.accessor.impl">HierarchicalFormatter</a> format)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#harvestWithLookAhead--">harvestWithLookAhead</a></span>()</code> |
| <div class="block">A batch is being harvested after an overflow.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#isProjected--">isProjected</a></span>()</code> |
| <div class="block">Report whether this column is projected (has materialized vectors), |
| or is unprojected (has no materialized backing.)</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#rollover-int-">rollover</a></span>(int cardinality)</code> |
| <div class="block">A vector has overflowed.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#startBatchWithLookAhead--">startBatchWithLookAhead</a></span>()</code> |
| <div class="block">A new batch is starting while an look-ahead vector exists.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/vector/complex/ListVector.html" title="class in org.apache.drill.exec.vector.complex">ListVector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/ListState.ListVectorState.html#vector--">vector</a></span>()</code> |
| <div class="block">Underlying vector: the one presented to the consumer of the |
| result set loader.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from class 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> |
| <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> |
| </ul> |
| </li> |
| </ul> |
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| </div> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="ListVectorState-org.apache.drill.exec.vector.accessor.writer.UnionWriterImpl-org.apache.drill.exec.vector.complex.ListVector-"> |
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| </a> |
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| <h4>ListVectorState</h4> |
| <pre>public ListVectorState(<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/UnionWriterImpl.html" title="class in org.apache.drill.exec.vector.accessor.writer">UnionWriterImpl</a> writer, |
| <a href="../../../../../../../org/apache/drill/exec/vector/complex/ListVector.html" title="class in org.apache.drill.exec.vector.complex">ListVector</a> vector)</pre> |
| </li> |
| </ul> |
| <a name="ListVectorState-org.apache.drill.exec.vector.accessor.writer.ListWriterImpl-org.apache.drill.exec.vector.accessor.writer.WriterEvents-org.apache.drill.exec.vector.complex.ListVector-"> |
| <!-- --> |
| </a> |
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| <h4>ListVectorState</h4> |
| <pre>public ListVectorState(<a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/ListWriterImpl.html" title="class in org.apache.drill.exec.vector.accessor.writer">ListWriterImpl</a> writer, |
| <a href="../../../../../../../org/apache/drill/exec/vector/accessor/writer/WriterEvents.html" title="interface in org.apache.drill.exec.vector.accessor.writer">WriterEvents</a> elementWriter, |
| <a href="../../../../../../../org/apache/drill/exec/vector/complex/ListVector.html" title="class in org.apache.drill.exec.vector.complex">ListVector</a> vector)</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a name="allocate-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allocate</h4> |
| <pre>public int allocate(int cardinality)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#allocate-int-">VectorState</a></code></span></div> |
| <div class="block">Allocate a new vector with the number of elements given. If the vector |
| is an array, then the cardinality given is the number of arrays.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#allocate-int-">allocate</a></code> in interface <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cardinality</code> - number of elements desired in the allocated |
| vector</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes allocated</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="rollover-int-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>rollover</h4> |
| <pre>public void rollover(int cardinality)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#rollover-int-">VectorState</a></code></span></div> |
| <div class="block">A vector has overflowed. Create a new look-ahead vector of the given |
| cardinality, then copy the overflow values from the main vector to the |
| look-ahead vector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#rollover-int-">rollover</a></code> in interface <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cardinality</code> - the number of elements in the new vector. If this |
| vector is an array, then this is the number of arrays</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="harvestWithLookAhead--"> |
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| </a> |
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| <h4>harvestWithLookAhead</h4> |
| <pre>public void harvestWithLookAhead()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#harvestWithLookAhead--">VectorState</a></code></span></div> |
| <div class="block">A batch is being harvested after an overflow. Put the full batch |
| back into the main vector so it can be harvested.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#harvestWithLookAhead--">harvestWithLookAhead</a></code> in interface <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="startBatchWithLookAhead--"> |
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| </a> |
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| <li class="blockList"> |
| <h4>startBatchWithLookAhead</h4> |
| <pre>public void startBatchWithLookAhead()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#startBatchWithLookAhead--">VectorState</a></code></span></div> |
| <div class="block">A new batch is starting while an look-ahead vector exists. Move |
| the look-ahead buffers into the main vector to prepare for writing |
| the rest of the batch.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#startBatchWithLookAhead--">startBatchWithLookAhead</a></code> in interface <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="close--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>close</h4> |
| <pre>public void close()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#close--">VectorState</a></code></span></div> |
| <div class="block">Clear the vector(s) associated with this state.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#close--">close</a></code> in interface <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="vector--"> |
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| </a> |
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| <h4>vector</h4> |
| <pre>public <a href="../../../../../../../org/apache/drill/exec/vector/complex/ListVector.html" title="class in org.apache.drill.exec.vector.complex">ListVector</a> vector()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#vector--">VectorState</a></code></span></div> |
| <div class="block">Underlying vector: the one presented to the consumer of the |
| result set loader.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#vector--">vector</a></code> in interface <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isProjected--"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>isProjected</h4> |
| <pre>public boolean isProjected()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#isProjected--">VectorState</a></code></span></div> |
| <div class="block">Report whether this column is projected (has materialized vectors), |
| or is unprojected (has no materialized backing.)</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#isProjected--">isProjected</a></code> in interface <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the column is projected to the output, false if |
| not</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="dump-org.apache.drill.exec.vector.accessor.impl.HierarchicalFormatter-"> |
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| <h4>dump</h4> |
| <pre>public void dump(<a href="../../../../../../../org/apache/drill/exec/vector/accessor/impl/HierarchicalFormatter.html" title="interface in org.apache.drill.exec.vector.accessor.impl">HierarchicalFormatter</a> format)</pre> |
| <dl> |
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| <dd><code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html#dump-org.apache.drill.exec.vector.accessor.impl.HierarchicalFormatter-">dump</a></code> in interface <code><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/VectorState.html" title="interface in org.apache.drill.exec.physical.resultSet.impl">VectorState</a></code></dd> |
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