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<div class="subTitle">org.apache.drill.exec.vector</div>
<h2 title="Class ObjectVector" class="title">Class ObjectVector</h2>
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<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>
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<li>org.apache.drill.exec.vector.ObjectVector</li>
</ul>
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<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/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a></dd>
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<br>
<pre>public class <span class="typeNameLabel">ObjectVector</span>
extends <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html" title="class in org.apache.drill.exec.vector">BaseValueVector</a></pre>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.Accessor.html" title="class in org.apache.drill.exec.vector">ObjectVector.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/ObjectVector.Mutator.html" title="class in org.apache.drill.exec.vector">ObjectVector.Mutator</a></span></code>&nbsp;</td>
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<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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<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/ObjectVector.html#ObjectVector-org.apache.drill.exec.record.MaterializedField-org.apache.drill.exec.memory.BufferAllocator-">ObjectVector</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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<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/ObjectVector.html#addNewArray--">addNewArray</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/vector/ObjectVector.html#allocateNew--">allocateNew</a></span>()</code>
<div class="block">Allocate new buffers.</div>
</td>
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<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/vector/ObjectVector.html#allocateNew-int-">allocateNew</a></span>(int&nbsp;valueCount)</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#allocateNewSafe--">allocateNewSafe</a></span>()</code>
<div class="block">Allocates new buffers.</div>
</td>
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<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/ObjectVector.html#clear--">clear</a></span>()</code>
<div class="block">Release the underlying DrillBuf and reset the ValueVector to empty.</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/vector/ObjectVector.html#close--">close</a></span>()</code>
<div class="block">Alternative to clear().</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/vector/ObjectVector.html#collectLedgers-java.util.Set-">collectLedgers</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../org/apache/drill/exec/memory/AllocationManager.BufferLedger.html" title="class in org.apache.drill.exec.memory">AllocationManager.BufferLedger</a>&gt;&nbsp;ledgers)</code>
<div class="block">Add the ledgers underlying the buffers underlying the components of the
vector to the set provided.</div>
</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.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="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#exchange-org.apache.drill.exec.vector.ValueVector-">exchange</a></span>(<a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&nbsp;other)</code>
<div class="block">Exchange state with another value vector of the same type.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.Accessor.html" title="class in org.apache.drill.exec.vector">ObjectVector.Accessor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.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="i10" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#getAllocatedSize--">getAllocatedSize</a></span>()</code>
<div class="block">Returns the total size of buffers allocated by this vector.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#getBuffers-boolean-">getBuffers</a></span>(boolean&nbsp;clear)</code>
<div class="block">Return the underlying buffers associated with this vector.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#getBufferSize--">getBufferSize</a></span>()</code>
<div class="block">Returns the number of bytes that is used by this vector instance.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.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="i14" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/record/MaterializedField.html" title="class in org.apache.drill.exec.record">MaterializedField</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#getField--">getField</a></span>()</code>
<div class="block">Get information about how this field is materialized.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/proto/UserBitShared.SerializedField.html" title="class in org.apache.drill.exec.proto">UserBitShared.SerializedField</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#getMetadata--">getMetadata</a></span>()</code>
<div class="block">Get the metadata for this field.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.Mutator.html" title="class in org.apache.drill.exec.vector">ObjectVector.Mutator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.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="i17" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.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="i18" class="altColor">
<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/ObjectVector.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>
</tr>
<tr id="i19" 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/ObjectVector.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>
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<tr id="i20" 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/ObjectVector.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,
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</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.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>
</tr>
<tr id="i22" class="altColor">
<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/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
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<tr id="i23" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.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="i24" 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/ObjectVector.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="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#setInitialCapacity-int-">setInitialCapacity</a></span>(int&nbsp;numRecords)</code>
<div class="block">Set the initial record capacity</div>
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<tr id="i26" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/exec/vector/ObjectVector.html#toNullable-org.apache.drill.exec.vector.ValueVector-">toNullable</a></span>(<a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&nbsp;nullableVector)</code>
<div class="block">Convert a non-nullable vector to nullable by shuffling the data from
one to the other.</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-java.lang.String-">getField</a>, <a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#getMetadataBuilder--">getMetadataBuilder</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="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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<pre>public&nbsp;ObjectVector(<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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<div class="block">Set the initial record capacity</div>
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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#allocateNew--">ValueVector</a></code></span></div>
<div class="block">Allocate new buffers. ValueVector implements logic to determine how much to allocate.</div>
<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> - Thrown if no memory can be allocated.</dd>
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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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<div class="block">Allocates new buffers. ValueVector implements logic to determine how much to allocate.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Returns true if allocation was successful.</dd>
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<pre>public&nbsp;int&nbsp;getBufferSize()</pre>
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<div class="block">Returns the number of bytes that is used by this vector instance.
This is a bit of a misnomer. Returns the number of bytes used by
data in this instance.</div>
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<div class="block">Returns the total size of buffers allocated by this vector. Has
meaning only when vectors are directly allocated and each vector
has its own buffer. Does not have meaning for vectors deserialized
from the network or disk in which multiple vectors share the
same vector.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>allocated buffer size, in bytes</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="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;void&nbsp;close()</pre>
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<div class="block">Alternative to clear(). Allows use as an AutoCloseable in try-with-resources.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#close--">close</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#close--">close</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;void&nbsp;clear()</pre>
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<div class="block">Release the underlying DrillBuf and reset the ValueVector to empty.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<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/BaseValueVector.html#clear--">clear</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/MaterializedField.html" title="class in org.apache.drill.exec.record">MaterializedField</a>&nbsp;getField()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getField--">ValueVector</a></code></span></div>
<div class="block">Get information about how this field is materialized.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getField--">getField</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#getField--">getField</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="../../../../../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>
<dl>
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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;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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<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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<pre>public&nbsp;void&nbsp;copyEntry(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)</pre>
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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>
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<pre>public&nbsp;<a href="../../../../../org/apache/drill/exec/vector/ObjectVector.Accessor.html" title="class in org.apache.drill.exec.vector">ObjectVector.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>
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<pre>public&nbsp;<a href="../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a>[]&nbsp;getBuffers(boolean&nbsp;clear)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getBuffers-boolean-">ValueVector</a></code></span></div>
<div class="block">Return the underlying buffers associated with this vector. Note that this doesn't impact the reference counts for
this buffer so it only should be used for in-context access. Also note that this buffer changes regularly thus
external classes shouldn't hold a reference to it (unless they change it).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>clear</code> - Whether to clear vector before returning; the buffers will still be refcounted;
but the returned array will be the only reference to them</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The underlying <a href="../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer"><code>buffers</code></a> that is used by this vector instance.</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,
<a href="../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a>&nbsp;buffer)</pre>
<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>
<dl>
<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/proto/UserBitShared.SerializedField.html" title="class in org.apache.drill.exec.proto">UserBitShared.SerializedField</a>&nbsp;getMetadata()</pre>
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<div class="block">Get the metadata for this field. Used in serialization</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#getMetadata--">getMetadata</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#getMetadata--">getMetadata</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>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>FieldMetadata for this field.</dd>
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<h4>getMutator</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/drill/exec/vector/ObjectVector.Mutator.html" title="class in org.apache.drill.exec.vector">ObjectVector.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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<h4>iterator</h4>
<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/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&gt;&nbsp;iterator()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><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></code>&nbsp;in interface&nbsp;<code><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;</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/BaseValueVector.html#iterator--">iterator</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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<h4>toNullable</h4>
<pre>public&nbsp;void&nbsp;toNullable(<a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&nbsp;nullableVector)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#toNullable-org.apache.drill.exec.vector.ValueVector-">ValueVector</a></code></span></div>
<div class="block">Convert a non-nullable vector to nullable by shuffling the data from
one to the other. Avoids the need to generate copy code just to change
mode. If this vector is non-nullable, accepts a nullable dual (same
minor type, different mode.) If the vector is non-nullable, or non-scalar,
then throws an exception.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#toNullable-org.apache.drill.exec.vector.ValueVector-">toNullable</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#toNullable-org.apache.drill.exec.vector.ValueVector-">toNullable</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>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nullableVector</code> - nullable vector of the same minor type as
this vector</dd>
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<h4>collectLedgers</h4>
<pre>public&nbsp;void&nbsp;collectLedgers(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../org/apache/drill/exec/memory/AllocationManager.BufferLedger.html" title="class in org.apache.drill.exec.memory">AllocationManager.BufferLedger</a>&gt;&nbsp;ledgers)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#collectLedgers-java.util.Set-">ValueVector</a></code></span></div>
<div class="block">Add the ledgers underlying the buffers underlying the components of the
vector to the set provided. Used to determine actual memory allocation.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ledgers</code> - set of ledgers to which to add ledgers for this vector</dd>
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<pre>public&nbsp;int&nbsp;getPayloadByteCount(int&nbsp;valueCount)</pre>
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<div class="block">Return the number of value bytes consumed by actual data.</div>
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<h4>exchange</h4>
<pre>public&nbsp;void&nbsp;exchange(<a href="../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&nbsp;other)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/drill/exec/vector/ValueVector.html#exchange-org.apache.drill.exec.vector.ValueVector-">ValueVector</a></code></span></div>
<div class="block">Exchange state with another value vector of the same type.
Used to implement look-ahead writers.</div>
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