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| <h2 title="Class TreeReaderFactory.UnionTreeReader" class="title">Class TreeReaderFactory.UnionTreeReader</h2> |
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| <li>org.apache.orc.impl.TreeReaderFactory.UnionTreeReader</li> |
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| <pre>public static class <span class="typeNameLabel">TreeReaderFactory.UnionTreeReader</span> |
| extends <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.TreeReader</a></pre> |
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| <td class="colFirst"><code>protected <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.TreeReader</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/TreeReaderFactory.UnionTreeReader.html#fields">fields</a></span></code> </td> |
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| <td class="colFirst"><code>protected <a href="../../../../org/apache/orc/impl/RunLengthByteReader.html" title="class in org.apache.orc.impl">RunLengthByteReader</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/TreeReaderFactory.UnionTreeReader.html#tags">tags</a></span></code> </td> |
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| <code><a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#columnId">columnId</a>, <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#context">context</a>, <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#present">present</a>, <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#vectorColumnCount">vectorColumnCount</a></code></li> |
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| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/TreeReaderFactory.UnionTreeReader.html#UnionTreeReader-int-org.apache.orc.impl.InStream-org.apache.orc.impl.TreeReaderFactory.Context-org.apache.orc.OrcProto.ColumnEncoding-org.apache.orc.impl.TreeReaderFactory.TreeReader:A-">UnionTreeReader</a></span>(int columnId, |
| <a href="../../../../org/apache/orc/impl/InStream.html" title="class in org.apache.orc.impl">InStream</a> present, |
| <a href="../../../../org/apache/orc/impl/TreeReaderFactory.Context.html" title="interface in org.apache.orc.impl">TreeReaderFactory.Context</a> context, |
| <a href="http://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.ColumnEncoding.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.ColumnEncoding</a> encoding, |
| <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.TreeReader</a>[] childReaders)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/TreeReaderFactory.UnionTreeReader.html#UnionTreeReader-int-org.apache.orc.TypeDescription-org.apache.orc.impl.TreeReaderFactory.Context-">UnionTreeReader</a></span>(int fileColumn, |
| <a href="../../../../org/apache/orc/TypeDescription.html" title="class in org.apache.orc">TypeDescription</a> readerSchema, |
| <a href="../../../../org/apache/orc/impl/TreeReaderFactory.Context.html" title="interface in org.apache.orc.impl">TreeReaderFactory.Context</a> context)</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/TreeReaderFactory.UnionTreeReader.html#nextVector-org.apache.hadoop.hive.ql.exec.vector.ColumnVector-boolean:A-int-">nextVector</a></span>(<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/exec/vector/ColumnVector.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.exec.vector">ColumnVector</a> previousVector, |
| boolean[] isNull, |
| int batchSize)</code> |
| <div class="block">Populates the isNull vector array in the previousVector object based on |
| the present stream values.</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/orc/impl/TreeReaderFactory.UnionTreeReader.html#seek-org.apache.orc.impl.PositionProvider:A-">seek</a></span>(<a href="../../../../org/apache/orc/impl/PositionProvider.html" title="interface in org.apache.orc.impl">PositionProvider</a>[] index)</code> |
| <div class="block">Seek to the given position.</div> |
| </td> |
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| <code><a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#countNonNulls-long-">countNonNulls</a>, <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#createIntegerReader-org.apache.orc.OrcProto.ColumnEncoding.Kind-org.apache.orc.impl.InStream-boolean-org.apache.orc.impl.TreeReaderFactory.Context-">createIntegerReader</a>, <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#getColumnId--">getColumnId</a>, <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#getPresent--">getPresent</a>, <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#nextBatch-org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch-int-">nextBatch</a>, <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#seek-org.apache.orc.impl.PositionProvider-">seek</a></code></li> |
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| <h4>fields</h4> |
| <pre>protected final <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.TreeReader</a>[] fields</pre> |
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| <pre>protected <a href="../../../../org/apache/orc/impl/RunLengthByteReader.html" title="class in org.apache.orc.impl">RunLengthByteReader</a> tags</pre> |
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| <h4>UnionTreeReader</h4> |
| <pre>protected UnionTreeReader(int fileColumn, |
| <a href="../../../../org/apache/orc/TypeDescription.html" title="class in org.apache.orc">TypeDescription</a> readerSchema, |
| <a href="../../../../org/apache/orc/impl/TreeReaderFactory.Context.html" title="interface in org.apache.orc.impl">TreeReaderFactory.Context</a> context) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="UnionTreeReader-int-org.apache.orc.impl.InStream-org.apache.orc.impl.TreeReaderFactory.Context-org.apache.orc.OrcProto.ColumnEncoding-org.apache.orc.impl.TreeReaderFactory.TreeReader:A-"> |
| <!-- --> |
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| <h4>UnionTreeReader</h4> |
| <pre>protected UnionTreeReader(int columnId, |
| <a href="../../../../org/apache/orc/impl/InStream.html" title="class in org.apache.orc.impl">InStream</a> present, |
| <a href="../../../../org/apache/orc/impl/TreeReaderFactory.Context.html" title="interface in org.apache.orc.impl">TreeReaderFactory.Context</a> context, |
| <a href="http://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.ColumnEncoding.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.ColumnEncoding</a> encoding, |
| <a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.TreeReader</a>[] childReaders) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <a name="seek-org.apache.orc.impl.PositionProvider:A-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>seek</h4> |
| <pre>public void seek(<a href="../../../../org/apache/orc/impl/PositionProvider.html" title="interface in org.apache.orc.impl">PositionProvider</a>[] index) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#seek-org.apache.orc.impl.PositionProvider:A-">TreeReaderFactory.TreeReader</a></code></span></div> |
| <div class="block">Seek to the given position.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#seek-org.apache.orc.impl.PositionProvider:A-">seek</a></code> in class <code><a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.TreeReader</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>index</code> - the indexes loaded from the file</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="nextVector-org.apache.hadoop.hive.ql.exec.vector.ColumnVector-boolean:A-int-"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>nextVector</h4> |
| <pre>public void nextVector(<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/exec/vector/ColumnVector.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.exec.vector">ColumnVector</a> previousVector, |
| boolean[] isNull, |
| int batchSize) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#nextVector-org.apache.hadoop.hive.ql.exec.vector.ColumnVector-boolean:A-int-">TreeReaderFactory.TreeReader</a></code></span></div> |
| <div class="block">Populates the isNull vector array in the previousVector object based on |
| the present stream values. This function is called from all the child |
| readers, and they all set the values based on isNull field value.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html#nextVector-org.apache.hadoop.hive.ql.exec.vector.ColumnVector-boolean:A-int-">nextVector</a></code> in class <code><a href="../../../../org/apache/orc/impl/TreeReaderFactory.TreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.TreeReader</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>previousVector</code> - The columnVector object whose isNull value is populated</dd> |
| <dd><code>isNull</code> - Whether the each value was null at a higher level. If |
| isNull is null, all values are non-null.</dd> |
| <dd><code>batchSize</code> - Size of the column vector</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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