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<div class="subTitle">org.apache.orc</div>
<h2 title="Class OrcFile" class="title">Class OrcFile</h2>
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<li>org.apache.orc.OrcFile</li>
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<pre>public class <span class="typeNameLabel">OrcFile</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Contains factory methods to read or write ORC files.</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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<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.BloomFilterVersion.html" title="enum in org.apache.orc">OrcFile.BloomFilterVersion</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.CompressionStrategy.html" title="enum in org.apache.orc">OrcFile.CompressionStrategy</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.EncodingStrategy.html" title="enum in org.apache.orc">OrcFile.EncodingStrategy</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.ReaderOptions.html" title="class in org.apache.orc">OrcFile.ReaderOptions</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.Version.html" title="enum in org.apache.orc">OrcFile.Version</a></span></code>
<div class="block">Create a version number for the ORC file format, so that we can add
 non-forward compatible changes in the future.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.WriterCallback.html" title="interface in org.apache.orc">OrcFile.WriterCallback</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.WriterContext.html" title="interface in org.apache.orc">OrcFile.WriterContext</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.WriterImplementation.html" title="enum in org.apache.orc">OrcFile.WriterImplementation</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a></span></code>
<div class="block">Options for creating ORC file writers.</div>
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<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.WriterVersion.html" title="enum in org.apache.orc">OrcFile.WriterVersion</a></span></code>
<div class="block">Records the version of the writer in terms of which bugs have been fixed.</div>
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<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static <a href="../../../org/apache/orc/OrcFile.WriterVersion.html" title="enum in org.apache.orc">OrcFile.WriterVersion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#CURRENT_WRITER">CURRENT_WRITER</a></span></code>
<div class="block">The WriterVersion for this version of the software.</div>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#MAGIC">MAGIC</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#OrcFile--">OrcFile</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../org/apache/orc/Reader.html" title="interface in org.apache.orc">Reader</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#createReader-org.apache.hadoop.fs.Path-org.apache.orc.OrcFile.ReaderOptions-">createReader</a></span>(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;path,
            <a href="../../../org/apache/orc/OrcFile.ReaderOptions.html" title="class in org.apache.orc">OrcFile.ReaderOptions</a>&nbsp;options)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../org/apache/orc/Writer.html" title="interface in org.apache.orc">Writer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#createWriter-org.apache.hadoop.fs.Path-org.apache.orc.OrcFile.WriterOptions-">createWriter</a></span>(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;path,
            <a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a>&nbsp;opts)</code>
<div class="block">Create an ORC file writer.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#mergeFiles-org.apache.hadoop.fs.Path-org.apache.orc.OrcFile.WriterOptions-java.util.List-">mergeFiles</a></span>(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;outputPath,
          <a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a>&nbsp;options,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&gt;&nbsp;inputFiles)</code>
<div class="block">Merges multiple ORC files that all have the same schema to produce
 a single ORC file.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <a href="../../../org/apache/orc/OrcFile.ReaderOptions.html" title="class in org.apache.orc">OrcFile.ReaderOptions</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#readerOptions-org.apache.hadoop.conf.Configuration-">readerOptions</a></span>(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/conf/Configuration.html?is-external=true" title="class or interface in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#writerOptions-org.apache.hadoop.conf.Configuration-">writerOptions</a></span>(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/conf/Configuration.html?is-external=true" title="class or interface in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Create a set of writer options based on a configuration.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/OrcFile.html#writerOptions-java.util.Properties-org.apache.hadoop.conf.Configuration-">writerOptions</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;tableProperties,
             <a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/conf/Configuration.html?is-external=true" title="class or interface in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Create a set of write options based on a set of table properties and
 configuration.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<pre>public static final&nbsp;<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> MAGIC</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../constant-values.html#org.apache.orc.OrcFile.MAGIC">Constant Field Values</a></dd>
</dl>
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<h4>CURRENT_WRITER</h4>
<pre>public static final&nbsp;<a href="../../../org/apache/orc/OrcFile.WriterVersion.html" title="enum in org.apache.orc">OrcFile.WriterVersion</a> CURRENT_WRITER</pre>
<div class="block">The WriterVersion for this version of the software.</div>
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<a name="OrcFile--">
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<h4>OrcFile</h4>
<pre>protected&nbsp;OrcFile()</pre>
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<h4>readerOptions</h4>
<pre>public static&nbsp;<a href="../../../org/apache/orc/OrcFile.ReaderOptions.html" title="class in org.apache.orc">OrcFile.ReaderOptions</a>&nbsp;readerOptions(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/conf/Configuration.html?is-external=true" title="class or interface in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</pre>
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<h4>createReader</h4>
<pre>public static&nbsp;<a href="../../../org/apache/orc/Reader.html" title="interface in org.apache.orc">Reader</a>&nbsp;createReader(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;path,
                                  <a href="../../../org/apache/orc/OrcFile.ReaderOptions.html" title="class in org.apache.orc">OrcFile.ReaderOptions</a>&nbsp;options)
                           throws <a href="https://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="https://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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<h4>writerOptions</h4>
<pre>public static&nbsp;<a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a>&nbsp;writerOptions(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/conf/Configuration.html?is-external=true" title="class or interface in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</pre>
<div class="block">Create a set of writer options based on a configuration.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - the configuration to use for values</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A WriterOptions object that can be modified</dd>
</dl>
</li>
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<h4>writerOptions</h4>
<pre>public static&nbsp;<a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a>&nbsp;writerOptions(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;tableProperties,
                                                  <a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/conf/Configuration.html?is-external=true" title="class or interface in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</pre>
<div class="block">Create a set of write options based on a set of table properties and
 configuration.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tableProperties</code> - the properties of the table</dd>
<dd><code>conf</code> - the configuration of the query</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a WriterOptions object that can be modified</dd>
</dl>
</li>
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<h4>createWriter</h4>
<pre>public static&nbsp;<a href="../../../org/apache/orc/Writer.html" title="interface in org.apache.orc">Writer</a>&nbsp;createWriter(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;path,
                                  <a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a>&nbsp;opts)
                           throws <a href="https://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">Create an ORC file writer. This is the public interface for creating
 writers going forward and new options will only be added to this method.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>path</code> - filename to write to</dd>
<dd><code>opts</code> - the options</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a new ORC file writer</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://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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<h4>mergeFiles</h4>
<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&gt;&nbsp;mergeFiles(<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;outputPath,
                                    <a href="../../../org/apache/orc/OrcFile.WriterOptions.html" title="class in org.apache.orc">OrcFile.WriterOptions</a>&nbsp;options,
                                    <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&gt;&nbsp;inputFiles)
                             throws <a href="https://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">Merges multiple ORC files that all have the same schema to produce
 a single ORC file.
 The merge will reject files that aren't compatible with the merged file
 so the output list may be shorter than the input list.
 The stripes are copied as serialized byte buffers.
 The user metadata are merged and files that disagree on the value
 associated with a key will be rejected.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>outputPath</code> - the output file</dd>
<dd><code>options</code> - the options for writing with although the options related
                to the input files' encodings are overridden</dd>
<dd><code>inputFiles</code> - the list of files to merge</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the list of files that were successfully merged</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://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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