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| <div class="subTitle">org.apache.drill.exec.store.parquet.columnreaders.batchsizing</div> |
| <h2 title="Class RecordBatchSizerManager" class="title">Class RecordBatchSizerManager</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.drill.exec.store.parquet.columnreaders.batchsizing.RecordBatchSizerManager</li> |
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| <pre>public final class <span class="typeNameLabel">RecordBatchSizerManager</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">This class is tasked with managing all aspects of flat Parquet reader record batch sizing logic. |
| Currently a record batch size is constrained with two parameters: Number of rows and Memory usage.</div> |
| </li> |
| </ul> |
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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/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.ColumnMemoryQuota.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.ColumnMemoryQuota</a></span></code> |
| <div class="block">Field memory quota</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.FieldOverflowState.html" title="interface in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.FieldOverflowState</a></span></code> |
| <div class="block">An abstraction to allow column readers attach custom field overflow state</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.FieldOverflowStateContainer.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.FieldOverflowStateContainer</a></span></code> |
| <div class="block">Container object to hold current field overflow state</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.VarLenColumnBatchStats.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.VarLenColumnBatchStats</a></span></code> |
| <div class="block">Container object to supply variable columns statistics to the batch sizer</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#RecordBatchSizerManager-org.apache.drill.exec.server.options.OptionManager-org.apache.drill.exec.store.parquet.columnreaders.ParquetSchema-long-org.apache.drill.exec.util.record.RecordBatchStats.RecordBatchStatsContext-">RecordBatchSizerManager</a></span>(<a href="../../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a> options, |
| <a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ParquetSchema.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">ParquetSchema</a> schema, |
| long totalRecordsToRead, |
| <a href="../../../../../../../../org/apache/drill/exec/util/record/RecordBatchStats.RecordBatchStatsContext.html" title="class in org.apache.drill.exec.util.record">RecordBatchStats.RecordBatchStatsContext</a> batchStatsContext)</code> |
| <div class="block">Constructor.</div> |
| </td> |
| </tr> |
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| </li> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</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/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#allocate-java.util.Map-">allocate</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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>,<a href="../../../../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>> vectorMap)</code> |
| <div class="block">Allocates value vectors for the current batch.</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/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#close--">close</a></span>()</code> |
| <div class="block">Closes all resources managed by this object</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../org/apache/drill/exec/util/record/RecordBatchStats.RecordBatchStatsContext.html" title="class in org.apache.drill.exec.util.record">RecordBatchStats.RecordBatchStatsContext</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getBatchStatsContext--">getBatchStatsContext</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getConfigMemorySizePerBatch--">getConfigMemorySizePerBatch</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getConfigRecordsPerBatch--">getConfigRecordsPerBatch</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.ColumnMemoryQuota.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.ColumnMemoryQuota</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getCurrentFieldBatchMemory-java.lang.String-">getCurrentFieldBatchMemory</a></span>(<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> field)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getCurrentMemorySizePerBatch--">getCurrentMemorySizePerBatch</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getCurrentRecordsPerBatch--">getCurrentRecordsPerBatch</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.FieldOverflowStateContainer.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.FieldOverflowStateContainer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getFieldOverflowContainer-java.lang.String-">getFieldOverflowContainer</a></span>(<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> field)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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>,<a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.FieldOverflowStateContainer.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.FieldOverflowStateContainer</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getFieldOverflowMap--">getFieldOverflowMap</a></span>()</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ParquetSchema.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">ParquetSchema</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#getSchema--">getSchema</a></span>()</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#onEndOfBatch-int-java.util.List-">onEndOfBatch</a></span>(int batchNumRecords, |
| <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><<a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.VarLenColumnBatchStats.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.VarLenColumnBatchStats</a>> batchStats)</code> |
| <div class="block">Enables this object to optimize the impact of overflows by computing more |
| accurate VL column precision.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#releaseFieldOverflowContainer-java.lang.String-">releaseFieldOverflowContainer</a></span>(<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> field)</code> |
| <div class="block">Releases the overflow data resources associated with this field; also removes the overflow |
| container from the overflow containers map.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.html#setup--">setup</a></span>()</code> |
| <div class="block">Tunes record batch parameters based on configuration and schema.</div> |
| </td> |
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| <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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="RecordBatchSizerManager-org.apache.drill.exec.server.options.OptionManager-org.apache.drill.exec.store.parquet.columnreaders.ParquetSchema-long-org.apache.drill.exec.util.record.RecordBatchStats.RecordBatchStatsContext-"> |
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| <h4>RecordBatchSizerManager</h4> |
| <pre>public RecordBatchSizerManager(<a href="../../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a> options, |
| <a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ParquetSchema.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">ParquetSchema</a> schema, |
| long totalRecordsToRead, |
| <a href="../../../../../../../../org/apache/drill/exec/util/record/RecordBatchStats.RecordBatchStatsContext.html" title="class in org.apache.drill.exec.util.record">RecordBatchStats.RecordBatchStatsContext</a> batchStatsContext)</pre> |
| <div class="block">Constructor.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>options</code> - drill options</dd> |
| <dd><code>schema</code> - current reader schema</dd> |
| <dd><code>totalRecordsToRead</code> - total number of rows to read</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h4>setup</h4> |
| <pre>public void setup()</pre> |
| <div class="block">Tunes record batch parameters based on configuration and schema.</div> |
| </li> |
| </ul> |
| <a name="getSchema--"> |
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| </a> |
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| <h4>getSchema</h4> |
| <pre>public <a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ParquetSchema.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">ParquetSchema</a> getSchema()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the schema</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBatchStatsContext--"> |
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| <h4>getBatchStatsContext</h4> |
| <pre>public <a href="../../../../../../../../org/apache/drill/exec/util/record/RecordBatchStats.RecordBatchStatsContext.html" title="class in org.apache.drill.exec.util.record">RecordBatchStats.RecordBatchStatsContext</a> getBatchStatsContext()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>batch statistics context</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allocate-java.util.Map-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allocate</h4> |
| <pre>public void allocate(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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>,<a href="../../../../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>> vectorMap) |
| throws <a href="../../../../../../../../org/apache/drill/exec/exception/OutOfMemoryException.html" title="class in org.apache.drill.exec.exception">OutOfMemoryException</a></pre> |
| <div class="block">Allocates value vectors for the current batch.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>vectorMap</code> - a collection of value vectors keyed by their field names</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../../../../org/apache/drill/exec/exception/OutOfMemoryException.html" title="class in org.apache.drill.exec.exception">OutOfMemoryException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getFieldOverflowMap--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getFieldOverflowMap</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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>,<a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.FieldOverflowStateContainer.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.FieldOverflowStateContainer</a>> getFieldOverflowMap()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the field overflow state map</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getFieldOverflowContainer-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getFieldOverflowContainer</h4> |
| <pre>public <a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.FieldOverflowStateContainer.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.FieldOverflowStateContainer</a> getFieldOverflowContainer(<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> field)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>field</code> - materialized field</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>field overflow state container</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="releaseFieldOverflowContainer-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>releaseFieldOverflowContainer</h4> |
| <pre>public boolean releaseFieldOverflowContainer(<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> field)</pre> |
| <div class="block">Releases the overflow data resources associated with this field; also removes the overflow |
| container from the overflow containers map.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>field</code> - materialized field</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if this field's overflow container was removed from the overflow containers map</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCurrentFieldBatchMemory-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCurrentFieldBatchMemory</h4> |
| <pre>public <a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.ColumnMemoryQuota.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.ColumnMemoryQuota</a> getCurrentFieldBatchMemory(<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> field)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>field</code> - materialized field</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>field batch memory quota</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCurrentRecordsPerBatch--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCurrentRecordsPerBatch</h4> |
| <pre>public int getCurrentRecordsPerBatch()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>current number of records per batch (may change across batches)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCurrentMemorySizePerBatch--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCurrentMemorySizePerBatch</h4> |
| <pre>public long getCurrentMemorySizePerBatch()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>current total memory per batch (may change across batches)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getConfigRecordsPerBatch--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getConfigRecordsPerBatch</h4> |
| <pre>public int getConfigRecordsPerBatch()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>configured number of records per batch (may be different from the enforced one)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getConfigMemorySizePerBatch--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getConfigMemorySizePerBatch</h4> |
| <pre>public long getConfigMemorySizePerBatch()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>configured memory size per batch (may be different from the enforced one)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="onEndOfBatch-int-java.util.List-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>onEndOfBatch</h4> |
| <pre>public void onEndOfBatch(int batchNumRecords, |
| <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><<a href="../../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/batchsizing/RecordBatchSizerManager.VarLenColumnBatchStats.html" title="class in org.apache.drill.exec.store.parquet.columnreaders.batchsizing">RecordBatchSizerManager.VarLenColumnBatchStats</a>> batchStats)</pre> |
| <div class="block">Enables this object to optimize the impact of overflows by computing more |
| accurate VL column precision.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>batchNumRecords</code> - number of records in this batch</dd> |
| <dd><code>batchStats</code> - columns statistics</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="close--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>close</h4> |
| <pre>public void close()</pre> |
| <div class="block">Closes all resources managed by this object</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
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