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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.iceberg.arrow.vectorized</a></div> |
| <h2 title="Class ColumnarBatch" class="title">Class ColumnarBatch</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <li>org.apache.iceberg.arrow.vectorized.ColumnarBatch</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.lang.AutoCloseable</code></dd> |
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| <pre>public class <span class="typeNameLabel">ColumnarBatch</span> |
| extends java.lang.Object |
| implements java.lang.AutoCloseable</pre> |
| <div class="block">This class is inspired by Spark's <code>ColumnarBatch</code>. This class wraps a columnar batch in the |
| result set of an Iceberg table query.</div> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#close()">close</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Called to close all the columns in this batch.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="ColumnVector.html" title="class in org.apache.iceberg.arrow.vectorized">ColumnVector</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#column(int)">column</a></span>​(int ordinal)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the column at `ordinal`.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>org.apache.arrow.vector.VectorSchemaRoot</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createVectorSchemaRootFromVectors()">createVectorSchemaRootFromVectors</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new instance of <code>VectorSchemaRoot</code> from the arrow vectors stored in this arrow |
| batch.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#numCols()">numCols</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the number of columns that make up this batch.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#numRows()">numRows</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the number of rows for read, including filtered rows.</div> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
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| <h3>Method Detail</h3> |
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| <h4>createVectorSchemaRootFromVectors</h4> |
| <pre class="methodSignature">public org.apache.arrow.vector.VectorSchemaRoot createVectorSchemaRootFromVectors()</pre> |
| <div class="block">Create a new instance of <code>VectorSchemaRoot</code> from the arrow vectors stored in this arrow |
| batch. The arrow vectors are owned by the reader.</div> |
| </li> |
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| <h4>close</h4> |
| <pre class="methodSignature">public void close()</pre> |
| <div class="block">Called to close all the columns in this batch. It is not valid to access the data after calling |
| this. This must be called at the end to clean up memory allocations.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>close</code> in interface <code>java.lang.AutoCloseable</code></dd> |
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| <h4>numCols</h4> |
| <pre class="methodSignature">public int numCols()</pre> |
| <div class="block">Returns the number of columns that make up this batch.</div> |
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| <h4>numRows</h4> |
| <pre class="methodSignature">public int numRows()</pre> |
| <div class="block">Returns the number of rows for read, including filtered rows.</div> |
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| <h4>column</h4> |
| <pre class="methodSignature">public <a href="ColumnVector.html" title="class in org.apache.iceberg.arrow.vectorized">ColumnVector</a> column​(int ordinal)</pre> |
| <div class="block">Returns the column at `ordinal`.</div> |
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