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| <div class="subTitle">org.apache.orc.impl</div> |
| <h2 title="Class RecordReaderImpl" class="title">Class RecordReaderImpl</h2> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.orc.impl.RecordReaderImpl</li> |
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| <pre>public class <span class="typeNameLabel">RecordReaderImpl</span> |
| extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../org/apache/orc/RecordReader.html" title="interface in org.apache.orc">RecordReader</a></pre> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.PositionProviderImpl.html" title="class in org.apache.orc.impl">RecordReaderImpl.PositionProviderImpl</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.SargApplier.html" title="class in org.apache.orc.impl">RecordReaderImpl.SargApplier</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.ZeroPositionProvider.html" title="class in org.apache.orc.impl">RecordReaderImpl.ZeroPositionProvider</a></span></code> </td> |
| </tr> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="http://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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#path">path</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="../../../../org/apache/orc/TypeDescription.html" title="class in org.apache.orc">TypeDescription</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#schema">schema</a></span></code> </td> |
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| <th class="colFirst" scope="col">Modifier</th> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#RecordReaderImpl-org.apache.orc.impl.ReaderImpl-org.apache.orc.Reader.Options-">RecordReaderImpl</a></span>(<a href="../../../../org/apache/orc/impl/ReaderImpl.html" title="class in org.apache.orc.impl">ReaderImpl</a> fileReader, |
| <a href="../../../../org/apache/orc/Reader.Options.html" title="class in org.apache.orc">Reader.Options</a> options)</code> </td> |
| </tr> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#close--">close</a></span>()</code> |
| <div class="block">Release the resources associated with the given reader.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="http://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/impl/RecordReaderImpl.html#encodeTranslatedSargColumn-int-java.lang.Integer-">encodeTranslatedSargColumn</a></span>(int rootColumn, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> indexInSourceTable)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/SearchArgument.TruthValue.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">SearchArgument.TruthValue</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#evaluatePredicate-org.apache.orc.ColumnStatistics-org.apache.hadoop.hive.ql.io.sarg.PredicateLeaf-org.apache.orc.util.BloomFilter-">evaluatePredicate</a></span>(<a href="../../../../org/apache/orc/ColumnStatistics.html" title="interface in org.apache.orc">ColumnStatistics</a> stats, |
| <a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">PredicateLeaf</a> predicate, |
| <a href="../../../../org/apache/orc/util/BloomFilter.html" title="class in org.apache.orc.util">BloomFilter</a> bloomFilter)</code> |
| <div class="block">Evaluate a predicate with respect to the statistics from the column |
| that is referenced in the predicate.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/SearchArgument.TruthValue.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">SearchArgument.TruthValue</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#evaluatePredicate-org.apache.orc.ColumnStatistics-org.apache.hadoop.hive.ql.io.sarg.PredicateLeaf-org.apache.orc.util.BloomFilter-boolean-">evaluatePredicate</a></span>(<a href="../../../../org/apache/orc/ColumnStatistics.html" title="interface in org.apache.orc">ColumnStatistics</a> stats, |
| <a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">PredicateLeaf</a> predicate, |
| <a href="../../../../org/apache/orc/util/BloomFilter.html" title="class in org.apache.orc.util">BloomFilter</a> bloomFilter, |
| boolean useUTCTimestamp)</code> |
| <div class="block">Evaluate a predicate with respect to the statistics from the column |
| that is referenced in the predicate.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/orc/CompressionCodec.html" title="interface in org.apache.orc">CompressionCodec</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#getCompressionCodec--">getCompressionCodec</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#getMaxDiskRangeChunkLimit--">getMaxDiskRangeChunkLimit</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#getProgress--">getProgress</a></span>()</code> |
| <div class="block">Return the fraction of rows that have been read from the selected.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#getRowNumber--">getRowNumber</a></span>()</code> |
| <div class="block">Get the row number of the row that will be returned by the following |
| call to next().</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static int[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#mapSargColumnsToOrcInternalColIdx-java.util.List-org.apache.orc.impl.SchemaEvolution-">mapSargColumnsToOrcInternalColIdx</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">PredicateLeaf</a>> sargLeaves, |
| <a href="../../../../org/apache/orc/impl/SchemaEvolution.html" title="class in org.apache.orc.impl">SchemaEvolution</a> evolution)</code> |
| <div class="block">Find the mapping from predicate leaves to columns.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static int[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#mapTranslatedSargColumns-java.util.List-java.util.List-">mapTranslatedSargColumns</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.Type.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.Type</a>> types, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">PredicateLeaf</a>> sargLeaves)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#nextBatch-org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch-">nextBatch</a></span>(<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/exec/vector/VectorizedRowBatch.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.exec.vector">VectorizedRowBatch</a> batch)</code> |
| <div class="block">Read the next row batch.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>protected boolean[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#pickRowGroups--">pickRowGroups</a></span>()</code> |
| <div class="block">Pick the row groups that we need to load from the current stripe.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/orc/impl/OrcIndex.html" title="class in org.apache.orc.impl">OrcIndex</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#readRowIndex-int-boolean:A-boolean:A-">readRowIndex</a></span>(int stripeIndex, |
| boolean[] included, |
| boolean[] sargColumns)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.StripeFooter.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.StripeFooter</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#readStripeFooter-org.apache.orc.StripeInformation-">readStripeFooter</a></span>(<a href="../../../../org/apache/orc/StripeInformation.html" title="interface in org.apache.orc">StripeInformation</a> stripe)</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/RecordReaderImpl.html#seekToRow-long-">seekToRow</a></span>(long rowNumber)</code> |
| <div class="block">Seek to a particular row number.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<a href="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| <h3>Field Detail</h3> |
| <a name="path"> |
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| <li class="blockList"> |
| <h4>path</h4> |
| <pre>protected final <a href="http://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> path</pre> |
| </li> |
| </ul> |
| <a name="schema"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>schema</h4> |
| <pre>protected final <a href="../../../../org/apache/orc/TypeDescription.html" title="class in org.apache.orc">TypeDescription</a> schema</pre> |
| </li> |
| </ul> |
| </li> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="RecordReaderImpl-org.apache.orc.impl.ReaderImpl-org.apache.orc.Reader.Options-"> |
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| </a> |
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| <h4>RecordReaderImpl</h4> |
| <pre>protected RecordReaderImpl(<a href="../../../../org/apache/orc/impl/ReaderImpl.html" title="class in org.apache.orc.impl">ReaderImpl</a> fileReader, |
| <a href="../../../../org/apache/orc/Reader.Options.html" title="class in org.apache.orc">Reader.Options</a> options) |
| 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> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <li class="blockList"><a name="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="mapSargColumnsToOrcInternalColIdx-java.util.List-org.apache.orc.impl.SchemaEvolution-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>mapSargColumnsToOrcInternalColIdx</h4> |
| <pre>public static int[] mapSargColumnsToOrcInternalColIdx(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">PredicateLeaf</a>> sargLeaves, |
| <a href="../../../../org/apache/orc/impl/SchemaEvolution.html" title="class in org.apache.orc.impl">SchemaEvolution</a> evolution)</pre> |
| <div class="block">Find the mapping from predicate leaves to columns.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sargLeaves</code> - the search argument that we need to map</dd> |
| <dd><code>evolution</code> - the mapping from reader to file schema</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array mapping the sarg leaves to concrete column numbers in the |
| file</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="readStripeFooter-org.apache.orc.StripeInformation-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>readStripeFooter</h4> |
| <pre>public <a href="http://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.StripeFooter.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.StripeFooter</a> readStripeFooter(<a href="../../../../org/apache/orc/StripeInformation.html" title="interface in org.apache.orc">StripeInformation</a> stripe) |
| 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="evaluatePredicate-org.apache.orc.ColumnStatistics-org.apache.hadoop.hive.ql.io.sarg.PredicateLeaf-org.apache.orc.util.BloomFilter-"> |
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| <h4>evaluatePredicate</h4> |
| <pre>public static <a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/SearchArgument.TruthValue.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">SearchArgument.TruthValue</a> evaluatePredicate(<a href="../../../../org/apache/orc/ColumnStatistics.html" title="interface in org.apache.orc">ColumnStatistics</a> stats, |
| <a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">PredicateLeaf</a> predicate, |
| <a href="../../../../org/apache/orc/util/BloomFilter.html" title="class in org.apache.orc.util">BloomFilter</a> bloomFilter)</pre> |
| <div class="block">Evaluate a predicate with respect to the statistics from the column |
| that is referenced in the predicate.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>stats</code> - the statistics for the column mentioned in the predicate</dd> |
| <dd><code>predicate</code> - the leaf predicate we need to evaluation</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the set of truth values that may be returned for the given |
| predicate.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="evaluatePredicate-org.apache.orc.ColumnStatistics-org.apache.hadoop.hive.ql.io.sarg.PredicateLeaf-org.apache.orc.util.BloomFilter-boolean-"> |
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| <h4>evaluatePredicate</h4> |
| <pre>public static <a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/SearchArgument.TruthValue.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">SearchArgument.TruthValue</a> evaluatePredicate(<a href="../../../../org/apache/orc/ColumnStatistics.html" title="interface in org.apache.orc">ColumnStatistics</a> stats, |
| <a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">PredicateLeaf</a> predicate, |
| <a href="../../../../org/apache/orc/util/BloomFilter.html" title="class in org.apache.orc.util">BloomFilter</a> bloomFilter, |
| boolean useUTCTimestamp)</pre> |
| <div class="block">Evaluate a predicate with respect to the statistics from the column |
| that is referenced in the predicate. |
| Includes option to specify if timestamp column stats values |
| should be in UTC.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>stats</code> - the statistics for the column mentioned in the predicate</dd> |
| <dd><code>predicate</code> - the leaf predicate we need to evaluation</dd> |
| <dd><code>bloomFilter</code> - </dd> |
| <dd><code>useUTCTimestamp</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the set of truth values that may be returned for the given |
| predicate.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="pickRowGroups--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>pickRowGroups</h4> |
| <pre>protected boolean[] pickRowGroups() |
| 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">Pick the row groups that we need to load from the current stripe.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array with a boolean for each row group or null if all of the |
| row groups must be read.</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="nextBatch-org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch-"> |
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| </a> |
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| <h4>nextBatch</h4> |
| <pre>public boolean nextBatch(<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/exec/vector/VectorizedRowBatch.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.exec.vector">VectorizedRowBatch</a> batch) |
| 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 interface: <code><a href="../../../../org/apache/orc/RecordReader.html#nextBatch-org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch-">RecordReader</a></code></span></div> |
| <div class="block">Read the next row batch. The size of the batch to read cannot be |
| controlled by the callers. Caller need to look at |
| VectorizedRowBatch.size of the retunred object to know the batch |
| size read.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/orc/RecordReader.html#nextBatch-org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch-">nextBatch</a></code> in interface <code><a href="../../../../org/apache/orc/RecordReader.html" title="interface in org.apache.orc">RecordReader</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>batch</code> - a row batch object to read into</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>were more rows available to read?</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="close--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>close</h4> |
| <pre>public void close() |
| 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 interface: <code><a href="../../../../org/apache/orc/RecordReader.html#close--">RecordReader</a></code></span></div> |
| <div class="block">Release the resources associated with the given reader.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="http://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> in interface <code><a href="http://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="http://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> in interface <code><a href="http://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/orc/RecordReader.html#close--">close</a></code> in interface <code><a href="../../../../org/apache/orc/RecordReader.html" title="interface in org.apache.orc">RecordReader</a></code></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="getRowNumber--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getRowNumber</h4> |
| <pre>public long getRowNumber()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/orc/RecordReader.html#getRowNumber--">RecordReader</a></code></span></div> |
| <div class="block">Get the row number of the row that will be returned by the following |
| call to next().</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/orc/RecordReader.html#getRowNumber--">getRowNumber</a></code> in interface <code><a href="../../../../org/apache/orc/RecordReader.html" title="interface in org.apache.orc">RecordReader</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the row number from 0 to the number of rows in the file</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getProgress--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getProgress</h4> |
| <pre>public float getProgress()</pre> |
| <div class="block">Return the fraction of rows that have been read from the selected. |
| section of the file</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/orc/RecordReader.html#getProgress--">getProgress</a></code> in interface <code><a href="../../../../org/apache/orc/RecordReader.html" title="interface in org.apache.orc">RecordReader</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>fraction between 0.0 and 1.0 of rows consumed</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="readRowIndex-int-boolean:A-boolean:A-"> |
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| <h4>readRowIndex</h4> |
| <pre>public <a href="../../../../org/apache/orc/impl/OrcIndex.html" title="class in org.apache.orc.impl">OrcIndex</a> readRowIndex(int stripeIndex, |
| boolean[] included, |
| boolean[] sargColumns) |
| 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> |
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| </ul> |
| <a name="seekToRow-long-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>seekToRow</h4> |
| <pre>public void seekToRow(long rowNumber) |
| 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 interface: <code><a href="../../../../org/apache/orc/RecordReader.html#seekToRow-long-">RecordReader</a></code></span></div> |
| <div class="block">Seek to a particular row number.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/orc/RecordReader.html#seekToRow-long-">seekToRow</a></code> in interface <code><a href="../../../../org/apache/orc/RecordReader.html" title="interface in org.apache.orc">RecordReader</a></code></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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| </a> |
| <ul class="blockList"> |
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| <h4>encodeTranslatedSargColumn</h4> |
| <pre>public static <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> encodeTranslatedSargColumn(int rootColumn, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> indexInSourceTable)</pre> |
| </li> |
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| <a name="mapTranslatedSargColumns-java.util.List-java.util.List-"> |
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| <ul class="blockList"> |
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| <h4>mapTranslatedSargColumns</h4> |
| <pre>public static int[] mapTranslatedSargColumns(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.Type.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.Type</a>> types, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.io.sarg">PredicateLeaf</a>> sargLeaves)</pre> |
| </li> |
| </ul> |
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| <h4>getCompressionCodec</h4> |
| <pre>public <a href="../../../../org/apache/orc/CompressionCodec.html" title="interface in org.apache.orc">CompressionCodec</a> getCompressionCodec()</pre> |
| </li> |
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| <h4>getMaxDiskRangeChunkLimit</h4> |
| <pre>public int getMaxDiskRangeChunkLimit()</pre> |
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