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| <div class="subTitle">org.apache.iceberg.arrow.vectorized.parquet</div> |
| <h2 title="Class BaseVectorizedParquetValuesReader" class="title">Class BaseVectorizedParquetValuesReader</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <ul class="inheritance"> |
| <li>org.apache.parquet.column.values.ValuesReader</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.iceberg.arrow.vectorized.parquet.BaseVectorizedParquetValuesReader</li> |
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| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/VectorizedDictionaryEncodedParquetValuesReader.html" title="class in org.apache.iceberg.arrow.vectorized.parquet">VectorizedDictionaryEncodedParquetValuesReader</a>, <a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/VectorizedParquetDefinitionLevelReader.html" title="class in org.apache.iceberg.arrow.vectorized.parquet">VectorizedParquetDefinitionLevelReader</a></dd> |
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| <pre>public class <span class="typeNameLabel">BaseVectorizedParquetValuesReader</span> |
| extends org.apache.parquet.column.values.ValuesReader</pre> |
| <div class="block">A values reader for Parquet's run-length encoded data that reads column data in batches instead |
| of one value at a time. This is based off of the VectorizedRleValuesReader class in Apache Spark |
| with these changes: |
| |
| <p>Writes batches of values retrieved to Arrow vectors. If all pages of a column within the row |
| group are not dictionary encoded, then dictionary ids are eagerly decoded into actual values |
| before writing them to the Arrow vectors</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/BaseVectorizedParquetValuesReader.html#BaseVectorizedParquetValuesReader-int-boolean-">BaseVectorizedParquetValuesReader</a></span>(int maxDefLevel, |
| boolean setValidityVector)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/BaseVectorizedParquetValuesReader.html#BaseVectorizedParquetValuesReader-int-int-boolean-">BaseVectorizedParquetValuesReader</a></span>(int bitWidth, |
| int maxDefLevel, |
| boolean setValidityVector)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/BaseVectorizedParquetValuesReader.html#BaseVectorizedParquetValuesReader-int-int-boolean-boolean-">BaseVectorizedParquetValuesReader</a></span>(int bitWidth, |
| int maxDefLevel, |
| boolean readLength, |
| boolean setValidityVector)</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/BaseVectorizedParquetValuesReader.html#initFromPage-int-org.apache.parquet.bytes.ByteBufferInputStream-">initFromPage</a></span>(int valueCount, |
| org.apache.parquet.bytes.ByteBufferInputStream in)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/BaseVectorizedParquetValuesReader.html#readBoolean--">readBoolean</a></span>()</code> </td> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/BaseVectorizedParquetValuesReader.html#readInteger--">readInteger</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/iceberg/arrow/vectorized/parquet/BaseVectorizedParquetValuesReader.html#readValueDictionaryId--">readValueDictionaryId</a></span>()</code> </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/iceberg/arrow/vectorized/parquet/BaseVectorizedParquetValuesReader.html#skip--">skip</a></span>()</code> </td> |
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| <h3>Methods inherited from class org.apache.parquet.column.values.ValuesReader</h3> |
| <code>getNextOffset, initFromPage, initFromPage, readBytes, readDouble, readFloat, readLong, skip, updateNextOffset</code></li> |
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| <pre>public BaseVectorizedParquetValuesReader(int maxDefLevel, |
| boolean setValidityVector)</pre> |
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| <pre>public BaseVectorizedParquetValuesReader(int bitWidth, |
| int maxDefLevel, |
| boolean setValidityVector)</pre> |
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| <pre>public BaseVectorizedParquetValuesReader(int bitWidth, |
| int maxDefLevel, |
| boolean readLength, |
| boolean setValidityVector)</pre> |
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| <h4>initFromPage</h4> |
| <pre>public void initFromPage(int valueCount, |
| org.apache.parquet.bytes.ByteBufferInputStream in) |
| throws java.io.IOException</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>initFromPage</code> in class <code>org.apache.parquet.column.values.ValuesReader</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd> |
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| <pre>public boolean readBoolean()</pre> |
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| <pre>public void skip()</pre> |
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| <dd><code>skip</code> in class <code>org.apache.parquet.column.values.ValuesReader</code></dd> |
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| <pre>public int readValueDictionaryId()</pre> |
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| <dd><code>readValueDictionaryId</code> in class <code>org.apache.parquet.column.values.ValuesReader</code></dd> |
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