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<div class="subTitle">org.apache.drill.exec.vector</div>
<h2 title="Class UntypedNullVector" class="title">Class UntypedNullVector</h2>
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<ul class="inheritance">
<li><a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html" title="class in org.apache.drill.exec.vector">org.apache.drill.exec.vector.BaseValueVector</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html" title="class in org.apache.drill.exec.vector">org.apache.drill.exec.vector.BaseDataValueVector</a></li>
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<ul class="inheritance">
<li>org.apache.drill.exec.vector.UntypedNullVector</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <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/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&gt;, <a href="../../../../../org/apache/drill/exec/vector/FixedWidthVector.html" title="interface in org.apache.drill.exec.vector">FixedWidthVector</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></dd>
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<hr>
<br>
<pre>public final class <span class="typeNameLabel">UntypedNullVector</span>
extends <a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html" title="class in org.apache.drill.exec.vector">BaseDataValueVector</a>
implements <a href="../../../../../org/apache/drill/exec/vector/FixedWidthVector.html" title="interface in org.apache.drill.exec.vector">FixedWidthVector</a></pre>
<div class="block">UntypedNullVector is to represent a value vector with <a href="../../../../../org/apache/drill/common/types/TypeProtos.MinorType.html#NULL"><code>TypeProtos.MinorType.NULL</code></a>
All values in the vector represent two semantic implications: 1) the value is unknown, 2) the type is unknown.
Because of this, we only have to keep track of the number of values in value vector,
and there is no allocated buffer to back up this value vector. Therefore, the majority of
methods in this class is either no-op, or throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang"><code>UnsupportedOperationException</code></a>.</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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<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.Accessor.html" title="class in org.apache.drill.exec.vector">UntypedNullVector.Accessor</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.Mutator.html" title="class in org.apache.drill.exec.vector">UntypedNullVector.Mutator</a></span></code>
<div class="block">UntypedNullVector.Mutator throws Exception for most of its mutate operations, except for the ones that set
value counts.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.drill.exec.vector.<a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html" title="class in org.apache.drill.exec.vector">BaseValueVector</a></h3>
<code><a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.BaseAccessor.html" title="class in org.apache.drill.exec.vector">BaseValueVector.BaseAccessor</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.BaseMutator.html" title="class in org.apache.drill.exec.vector">BaseValueVector.BaseMutator</a></code></li>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#VALUE_WIDTH">VALUE_WIDTH</a></span></code>
<div class="block">Width of each fixed-width value.</div>
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<code><a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html#data">data</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html#emptyByteArray">emptyByteArray</a></code></li>
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<code><a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#allocator">allocator</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#field">field</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#INITIAL_VALUE_ALLOCATION">INITIAL_VALUE_ALLOCATION</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#MAX_ALLOCATION_SIZE">MAX_ALLOCATION_SIZE</a></code></li>
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<h3>Fields inherited from interface&nbsp;org.apache.drill.exec.vector.<a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></h3>
<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#BITS_VECTOR_NAME">BITS_VECTOR_NAME</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#MAX_BUFFER_SIZE">MAX_BUFFER_SIZE</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#MAX_ROW_COUNT">MAX_ROW_COUNT</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#MIN_ROW_COUNT">MIN_ROW_COUNT</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#OFFSETS_VECTOR_NAME">OFFSETS_VECTOR_NAME</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#VALUES_VECTOR_NAME">VALUES_VECTOR_NAME</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#UntypedNullVector-org.apache.drill.exec.record.MaterializedField-org.apache.drill.exec.memory.BufferAllocator-">UntypedNullVector</a></span>(<a href="../../../../../org/apache/drill/exec/record/MaterializedField.html" title="class in org.apache.drill.exec.record">MaterializedField</a>&nbsp;field,
<a href="../../../../../org/apache/drill/exec/memory/BufferAllocator.html" title="interface in org.apache.drill.exec.memory">BufferAllocator</a>&nbsp;allocator)</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="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>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#allocateNew--">allocateNew</a></span>()</code>
<div class="block">Allocate new buffers.</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/vector/UntypedNullVector.html#allocateNew-int-">allocateNew</a></span>(int&nbsp;valueCount)</code>
<div class="block">Allocate a new memory space for this vector.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#allocateNewSafe--">allocateNewSafe</a></span>()</code>
<div class="block">Allocates new buffers.</div>
</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/vector/UntypedNullVector.html#clear--">clear</a></span>()</code>
<div class="block">Release the underlying DrillBuf and reset the ValueVector to empty.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#copyEntry-int-org.apache.drill.exec.vector.ValueVector-int-">copyEntry</a></span>(int&nbsp;toIndex,
<a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&nbsp;from,
int&nbsp;fromIndex)</code>&nbsp;</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/vector/UntypedNullVector.html#copyFrom-int-int-org.apache.drill.exec.vector.UntypedNullVector-">copyFrom</a></span>(int&nbsp;fromIndex,
int&nbsp;thisIndex,
<a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html" title="class in org.apache.drill.exec.vector">UntypedNullVector</a>&nbsp;from)</code>&nbsp;</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/vector/UntypedNullVector.html#copyFromSafe-int-int-org.apache.drill.exec.vector.UntypedNullVector-">copyFromSafe</a></span>(int&nbsp;fromIndex,
int&nbsp;thisIndex,
<a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html" title="class in org.apache.drill.exec.vector">UntypedNullVector</a>&nbsp;from)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.Accessor.html" title="class in org.apache.drill.exec.vector">UntypedNullVector.Accessor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getAccessor--">getAccessor</a></span>()</code>
<div class="block">Returns an <a href="../../../../../org/apache/drill/exec/vector/ValueVector.Accessor.html" title="interface in org.apache.drill.exec.vector"><code>accessor</code></a> that is used to read from this vector
instance.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getBufferSizeFor-int-">getBufferSizeFor</a></span>(int&nbsp;valueCount)</code>
<div class="block">Returns the number of bytes that is used by this vector if it holds the given number
of values.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.Mutator.html" title="class in org.apache.drill.exec.vector">UntypedNullVector.Mutator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getMutator--">getMutator</a></span>()</code>
<div class="block">Returns an <a href="../../../../../org/apache/drill/exec/vector/ValueVector.Mutator.html" title="interface in org.apache.drill.exec.vector"><code>mutator</code></a> that is used to write to this vector
instance.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getPayloadByteCount-int-">getPayloadByteCount</a></span>(int&nbsp;valueCount)</code>
<div class="block">Return the number of value bytes consumed by actual data.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/vector/complex/reader/FieldReader.html" title="interface in org.apache.drill.exec.vector.complex.reader">FieldReader</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getReader--">getReader</a></span>()</code>
<div class="block">Returns a <a href="../../../../../org/apache/drill/exec/vector/complex/reader/FieldReader.html" title="interface in org.apache.drill.exec.vector.complex.reader"><code>field reader</code></a> that supports reading values
from this vector.</div>
</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record">TransferPair</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getTransferPair-org.apache.drill.exec.memory.BufferAllocator-">getTransferPair</a></span>(<a href="../../../../../org/apache/drill/exec/memory/BufferAllocator.html" title="interface in org.apache.drill.exec.memory">BufferAllocator</a>&nbsp;allocator)</code>
<div class="block">Returns a <a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record"><code>transfer pair</code></a>, creating a new target vector of
the same type.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record">TransferPair</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getTransferPair-java.lang.String-org.apache.drill.exec.memory.BufferAllocator-">getTransferPair</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;ref,
<a href="../../../../../org/apache/drill/exec/memory/BufferAllocator.html" title="interface in org.apache.drill.exec.memory">BufferAllocator</a>&nbsp;allocator)</code>&nbsp;</td>
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<tr id="i14" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getValueCapacity--">getValueCapacity</a></span>()</code>
<div class="block">Returns the maximum number of values that can be stored in this vector instance.</div>
</td>
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<tr id="i15" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#getValueWidth--">getValueWidth</a></span>()</code>
<div class="block">The width of a record in bytes.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#load-org.apache.drill.exec.proto.UserBitShared.SerializedField-io.netty.buffer.DrillBuf-">load</a></span>(<a href="../../../../../org/apache/drill/exec/proto/UserBitShared.SerializedField.html" title="class in org.apache.drill.exec.proto">UserBitShared.SerializedField</a>&nbsp;metadata,
<a href="../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a>&nbsp;buffer)</code>
<div class="block">Load the data provided in the buffer.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record">TransferPair</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#makeTransferPair-org.apache.drill.exec.vector.ValueVector-">makeTransferPair</a></span>(<a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&nbsp;to)</code>
<div class="block">Returns a new <a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record"><code>transfer pair</code></a> that is used to transfer underlying
buffers into the target vector.</div>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#reallocRaw-int-">reallocRaw</a></span>(int&nbsp;newAllocationSize)</code>
<div class="block">Core of vector allocation.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#reset--">reset</a></span>()</code>
<div class="block">This method has a similar effect of allocateNew() without actually clearing and reallocating
the value vector.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#setInitialCapacity-int-">setInitialCapacity</a></span>(int&nbsp;valueCount)</code>
<div class="block">Set the initial record capacity</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html#splitAndTransferTo-int-int-org.apache.drill.exec.vector.UntypedNullVector-">splitAndTransferTo</a></span>(int&nbsp;startIndex,
int&nbsp;length,
<a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html" title="class in org.apache.drill.exec.vector">UntypedNullVector</a>&nbsp;target)</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/vector/UntypedNullVector.html#transferTo-org.apache.drill.exec.vector.UntypedNullVector-">transferTo</a></span>(<a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.html" title="class in org.apache.drill.exec.vector">UntypedNullVector</a>&nbsp;target)</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/vector/UntypedNullVector.html#zeroVector--">zeroVector</a></span>()</code>
<div class="block">Zero out the underlying buffer backing this vector.</div>
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<code><a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#checkBufRefs-org.apache.drill.exec.vector.ValueVector-">checkBufRefs</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#fillBitsVector-org.apache.drill.exec.vector.UInt1Vector-int-">fillBitsVector</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#getAllocator--">getAllocator</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#getField--">getField</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#getField-java.lang.String-">getField</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#getMetadata--">getMetadata</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#getMetadataBuilder--">getMetadataBuilder</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#iterator--">iterator</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#toNullable-org.apache.drill.exec.vector.ValueVector-">toNullable</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#toString--">toString</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#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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<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#close--">close</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#collectLedgers-java.util.Set-">collectLedgers</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#exchange-org.apache.drill.exec.vector.ValueVector-">exchange</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getAllocatedSize--">getAllocatedSize</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getAllocator--">getAllocator</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getBuffers-boolean-">getBuffers</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getBufferSize--">getBufferSize</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getField--">getField</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getMetadata--">getMetadata</a>, <a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#toNullable-org.apache.drill.exec.vector.ValueVector-">toNullable</a></code></li>
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<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#iterator--" title="class or interface in java.lang">iterator</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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<pre>public static final&nbsp;int VALUE_WIDTH</pre>
<div class="block">Width of each fixed-width value.</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../constant-values.html#org.apache.drill.exec.vector.UntypedNullVector.VALUE_WIDTH">Constant Field Values</a></dd>
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<pre>public&nbsp;UntypedNullVector(<a href="../../../../../org/apache/drill/exec/record/MaterializedField.html" title="class in org.apache.drill.exec.record">MaterializedField</a>&nbsp;field,
<a href="../../../../../org/apache/drill/exec/memory/BufferAllocator.html" title="interface in org.apache.drill.exec.memory">BufferAllocator</a>&nbsp;allocator)</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/drill/exec/vector/complex/reader/FieldReader.html" title="interface in org.apache.drill.exec.vector.complex.reader">FieldReader</a>&nbsp;getReader()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getReader--">ValueVector</a></code></span></div>
<div class="block">Returns a <a href="../../../../../org/apache/drill/exec/vector/complex/reader/FieldReader.html" title="interface in org.apache.drill.exec.vector.complex.reader"><code>field reader</code></a> that supports reading values
from this vector.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getReader--">getReader</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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<pre>public&nbsp;int&nbsp;getBufferSizeFor(int&nbsp;valueCount)</pre>
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<div class="block">Returns the number of bytes that is used by this vector if it holds the given number
of values. The result will be the same as if Mutator.setValueCount() were called, followed
by calling getBufferSize(), but without any of the closing side-effects that setValueCount()
implies wrt finishing off the population of a vector. Some operations might wish to use
this to determine how much memory has been used by a vector so far, even though it is
not finished being populated.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getBufferSizeFor-int-">getBufferSizeFor</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>valueCount</code> - the number of values to assume this vector contains</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the buffer size if this vector is holding valueCount values</dd>
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<pre>public&nbsp;int&nbsp;getValueCapacity()</pre>
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<div class="block">Returns the maximum number of values that can be stored in this vector instance.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getValueCapacity--">getValueCapacity</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.Accessor.html" title="class in org.apache.drill.exec.vector">UntypedNullVector.Accessor</a>&nbsp;getAccessor()</pre>
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<div class="block">Returns an <a href="../../../../../org/apache/drill/exec/vector/ValueVector.Accessor.html" title="interface in org.apache.drill.exec.vector"><code>accessor</code></a> that is used to read from this vector
instance.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getAccessor--">getAccessor</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/drill/exec/vector/UntypedNullVector.Mutator.html" title="class in org.apache.drill.exec.vector">UntypedNullVector.Mutator</a>&nbsp;getMutator()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getMutator--">ValueVector</a></code></span></div>
<div class="block">Returns an <a href="../../../../../org/apache/drill/exec/vector/ValueVector.Mutator.html" title="interface in org.apache.drill.exec.vector"><code>mutator</code></a> that is used to write to this vector
instance.</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getMutator--">getMutator</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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<pre>public&nbsp;void&nbsp;setInitialCapacity(int&nbsp;valueCount)</pre>
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<div class="block">Set the initial record capacity</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#setInitialCapacity-int-">setInitialCapacity</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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<pre>public&nbsp;void&nbsp;allocateNew()</pre>
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<div class="block">Allocate new buffers. ValueVector implements logic to determine how much to allocate.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#allocateNew--">allocateNew</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;allocateNewSafe()</pre>
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<div class="block">Allocates new buffers. ValueVector implements logic to determine how much to allocate.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#allocateNewSafe--">allocateNewSafe</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Returns true if allocation was successful.</dd>
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<pre>public&nbsp;void&nbsp;allocateNew(int&nbsp;valueCount)</pre>
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<div class="block">Allocate a new memory space for this vector. Must be called prior to using the ValueVector.</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/FixedWidthVector.html#allocateNew-int-">allocateNew</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/FixedWidthVector.html" title="interface in org.apache.drill.exec.vector">FixedWidthVector</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>valueCount</code> - Number of values in the vector.</dd>
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<pre>public&nbsp;void&nbsp;reset()</pre>
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<div class="block">This method has a similar effect of allocateNew() without actually clearing and reallocating
the value vector. The purpose is to move the value vector to a "mutate" state</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html#reset--">reset</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html" title="class in org.apache.drill.exec.vector">BaseDataValueVector</a></code></dd>
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<pre>public&nbsp;void&nbsp;zeroVector()</pre>
<div class="block">Zero out the underlying buffer backing this vector.</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/FixedWidthVector.html#zeroVector--">zeroVector</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/FixedWidthVector.html" title="interface in org.apache.drill.exec.vector">FixedWidthVector</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a>&nbsp;reallocRaw(int&nbsp;newAllocationSize)</pre>
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<div class="block">Core of vector allocation. Given a new size (which must be a power of two), allocate
the new buffer, copy the current values, and leave the unused parts garbage-filled.</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html#reallocRaw-int-">reallocRaw</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html" title="class in org.apache.drill.exec.vector">BaseDataValueVector</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>newAllocationSize</code> - new buffer size as a power of two</dd>
<dt><span class="returnLabel">Returns:</span></dt>
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<div class="block">The width of a record in bytes.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>The width of a record in bytes.</dd>
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<pre>public&nbsp;void&nbsp;load(<a href="../../../../../org/apache/drill/exec/proto/UserBitShared.SerializedField.html" title="class in org.apache.drill.exec.proto">UserBitShared.SerializedField</a>&nbsp;metadata,
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#load-org.apache.drill.exec.proto.UserBitShared.SerializedField-io.netty.buffer.DrillBuf-">ValueVector</a></code></span></div>
<div class="block">Load the data provided in the buffer. Typically used when deserializing from the wire.</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#load-org.apache.drill.exec.proto.UserBitShared.SerializedField-io.netty.buffer.DrillBuf-">load</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>metadata</code> - Metadata used to decode the incoming buffer.</dd>
<dd><code>buffer</code> - The buffer that contains the ValueVector.</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record">TransferPair</a>&nbsp;getTransferPair(<a href="../../../../../org/apache/drill/exec/memory/BufferAllocator.html" title="interface in org.apache.drill.exec.memory">BufferAllocator</a>&nbsp;allocator)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getTransferPair-org.apache.drill.exec.memory.BufferAllocator-">ValueVector</a></code></span></div>
<div class="block">Returns a <a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record"><code>transfer pair</code></a>, creating a new target vector of
the same type.</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getTransferPair-org.apache.drill.exec.memory.BufferAllocator-">getTransferPair</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#getTransferPair-org.apache.drill.exec.memory.BufferAllocator-">getTransferPair</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html" title="class in org.apache.drill.exec.vector">BaseValueVector</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record">TransferPair</a>&nbsp;getTransferPair(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;ref,
<a href="../../../../../org/apache/drill/exec/memory/BufferAllocator.html" title="interface in org.apache.drill.exec.memory">BufferAllocator</a>&nbsp;allocator)</pre>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getTransferPair-java.lang.String-org.apache.drill.exec.memory.BufferAllocator-">getTransferPair</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record">TransferPair</a>&nbsp;makeTransferPair(<a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&nbsp;to)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#makeTransferPair-org.apache.drill.exec.vector.ValueVector-">ValueVector</a></code></span></div>
<div class="block">Returns a new <a href="../../../../../org/apache/drill/exec/record/TransferPair.html" title="interface in org.apache.drill.exec.record"><code>transfer pair</code></a> that is used to transfer underlying
buffers into the target vector.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#makeTransferPair-org.apache.drill.exec.vector.ValueVector-">makeTransferPair</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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int&nbsp;length,
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<div class="block">Return the number of value bytes consumed by actual data.</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getPayloadByteCount-int-">getPayloadByteCount</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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int&nbsp;thisIndex,
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<pre>public&nbsp;void&nbsp;copyFromSafe(int&nbsp;fromIndex,
int&nbsp;thisIndex,
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<pre>public&nbsp;void&nbsp;copyEntry(int&nbsp;toIndex,
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int&nbsp;fromIndex)</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#copyEntry-int-org.apache.drill.exec.vector.ValueVector-int-">copyEntry</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
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<pre>public&nbsp;void&nbsp;clear()</pre>
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<div class="block">Release the underlying DrillBuf and reset the ValueVector to empty.</div>
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<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#clear--">clear</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html#clear--">clear</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/BaseDataValueVector.html" title="class in org.apache.drill.exec.vector">BaseDataValueVector</a></code></dd>
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